All Stories

  1. Chemical analyses of shale gas and conventional natural gas

    Article • Petroleum Science and Technology, September 2018, Taylor & Francis

    Professor Ayhan Demirbas, Mr Nurettin ÇEK

  2. Evaluation of beech for production of bio-char, bio-oil and gaseous materials

    Article • Process Safety and Environmental Protection, March 2015, Elsevier

    Professor Ayhan Demirbas

  3. API Gravity, Sulfur Content, and Desulfurization of Crude Oil

    Article • Petroleum Science and Technology, December 2014, Taylor & Francis

    Professor Ayhan Demirbas

  4. Comparison of correlations based on API gravity for predicting viscosity of crude oils

    Article • Fuel, December 2014, Elsevier

    Professor Ayhan Demirbas

  5. 1H NMR spectroscopy and low-field relaxometry for predicting viscosity and API gravity of Brazilian crude oils – A comparative study

    Article • Fuel, August 2014, Elsevier

    Professor Ayhan Demirbas

  6. Effect of Hydrotreating Reaction Conditions on Viscosity, API Gravity and Specific Gravity of Maya Crude Oil

    Article • January 2014, Springer Science + Business Media

    Professor Ayhan Demirbas

  7. Optimization of process variables for supercritical liquefaction of giant fennel

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Professor Ayhan Demirbas

  8. Oxidative Desulfurization of Crude Oil Incorporating Sulfone Decomposition by Alkaline Earth Metal Oxides

    Article • Energy & Fuels, October 2013, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  9. Hydrotreating: Removal of Sulfur from Crude Oil Fractions with Sulfide Catalysts

    Article • January 2013, Elsevier

    Professor Ayhan Demirbas

  10. Geodynamic types of oil and gas basins and their classification based on gravity and sulfur content of oil

    Article • Journal of Petroleum Science and Engineering, December 2012, Elsevier

    Professor Ayhan Demirbas

  11. Using the Gas Pycnometer to Determine API Gravity in Crude Oils and Blends

    Article • Energy & Fuels, October 2012, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  12. PLS regression on spectroscopic data for the prediction of crude oil quality: API gravity and aliphatic/aromatic ratio

    Article • Fuel, August 2012, Elsevier

    Professor Ayhan Demirbas

  13. Biodiesel from oilgae, biofixation of carbon dioxide by microalgae: A solution to pollution problems

    Article • Applied Energy, October 2011, Elsevier

    Professor Ayhan Demirbas

  14. Prediction of Sulfur Content, API Gravity, and Viscosity Using a Continuous Mixture Kinetic Model for Maya Crude Oil Hydrocracking in a Slurry-Phase Reactor

    Article • Energy & Fuels, July 2011, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  15. Production of Fuels from Crops

    Article • July 2011, Royal Society of Chemistry

    Professor Ayhan Demirbas

  16. Properties of Fuels from Crops

    Article • July 2011, Royal Society of Chemistry

    Professor Ayhan Demirbas

  17. Methylation of wood fatty and resin acids for production of biodiesel

    Article • Fuel, June 2011, Elsevier

    Professor Ayhan Demirbas

  18. Waste management, waste resource facilities and waste conversion processes

    Article • Energy Conversion and Management, February 2011, Elsevier

    Professor Ayhan Demirbas

  19. Importance of algae oil as a source of biodiesel

    Article • Energy Conversion and Management, January 2011, Elsevier

    Professor Ayhan Demirbas

  20. Specific Gravity and API Gravity of Biodiesel and Ultra-Low-Sulfur Diesel (ULSD) Blends

    Article • Transactions of the ASABE, January 2011, American Society of Agricultural and Biological Engineers (ASABE)

    Professor Ayhan Demirbas

  21. Competitive liquid biofuels from biomass

    Article • Applied Energy, January 2011, Elsevier

    Professor Ayhan Demirbas

  22. Tea seed upgrading facilities and economic assessment of biodiesel production from tea seed oil

    Article • Energy Conversion and Management, December 2010, Elsevier

    Professor Ayhan Demirbas

  23. Use of algae as biofuel sources

    Article • Energy Conversion and Management, December 2010, Elsevier

    Professor Ayhan Demirbas

  24. Bio-Oil from Biomass Pyrolysis

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  25. Gasoline, Diesel and Ethanol Biofuels from Grasses and Plants

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  26. Preface

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  27. Introduction

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  28. Renewable Energy Sources

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  29. Biofuel Policy

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  30. References

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  31. Air Pollution and Global Warming from the Use of Fossil Fuels

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  32. Biomass Availability in the World

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  33. Conventional Ethanol Production from Corn and Sugarcane

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  34. Biodiesel from Vegetable Oils

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  35. Diesel from Biomass Gasification Followed by Fischer–Tropsch Synthesis

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  36. Ethanol from Biomass by Fermentation

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  37. Biocrude from Biomass Hydrothermal Liquefaction

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  38. Solar and Wind Energy for Biofuel Production

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  39. Economic Impact of Biofuels

    Article • April 2010, Cambridge University Press

    Professor Ayhan Demirbas

  40. Oil, micronutrient and heavy metal contents of tomatoes

    Article • Food Chemistry, February 2010, Elsevier

    Professor Ayhan Demirbas

  41. Comparative Studies on the Bio-desulfurization of Crude Oil with Other Desulfurization Techniques and Deep Desulfurization through Integrated Processes

    Article • Energy & Fuels, January 2010, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  42. Production of diesel-like fuel from waste engine oil by pyrolitic distillation

    Article • Applied Energy, January 2010, Elsevier

    Professor Ayhan Demirbas

  43. Biorefineries

    Article • January 2010

    Professor Ayhan Demirbas

  44. Methane Gas Hydrate

    Article • January 2010

    Professor Ayhan Demirbas

  45. Biorefineries

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  46. Future Developments

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  47. Algae Technology

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  48. Introduction

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  49. Biofuels

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  50. Algae Energy

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  51. Energy from Algae

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  52. Green Energy Facilities

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  53. Biodiesel from Algae

    Article • January 2010, Springer Science + Business Media

    Professor Ayhan Demirbas

  54. Political, economic and environmental impacts of biofuels: A review

    Article • Applied Energy, November 2009, Elsevier

    Professor Ayhan Demirbas

  55. Biorefineries: Current activities and future developments

    Article • Energy Conversion and Management, November 2009, Elsevier

    Professor Ayhan Demirbas

  56. Biofuels securing the planet’s future energy needs

    Article • Energy Conversion and Management, September 2009, Elsevier

    Professor Ayhan Demirbas

  57. Biodiesel from waste cooking oil via base-catalytic and supercritical methanol transesterification

    Article • Energy Conversion and Management, April 2009, Elsevier

    Professor Ayhan Demirbas

  58. Biohydrogen

    Article • January 2009

    Professor Ayhan Demirbas

  59. Production of biodiesel fuels from linseed oil using methanol and ethanol in non-catalytic SCF conditions

    Article • Biomass and Bioenergy, January 2009, Elsevier

    Professor Ayhan Demirbas

  60. Progress and recent trends in biodiesel fuels

    Article • Energy Conversion and Management, January 2009, Elsevier

    Professor Ayhan Demirbas

  61. Production of Biofuels with Special Emphasison Biodiesel

    Article • September 2008, Taylor & Francis

    Professor Ayhan Demirbas

  62. Heavy metal adsorption onto agro-based waste materials: A review

    Article • Journal of Hazardous Materials, September 2008, Elsevier

    Professor Ayhan Demirbas

  63. Biofuels sources, biofuel policy, biofuel economy and global biofuel projections

    Article • Energy Conversion and Management, August 2008, Elsevier

    Professor Ayhan Demirbas

  64. Relationships derived from physical properties of vegetable oil and biodiesel fuels

    Article • Fuel, July 2008, Elsevier

    Professor Ayhan Demirbas

  65. Microwave-Promoted Desulfurization of Heavy and Sulfur-Containing Crude Oil

    Article • Energy & Fuels, April 2008, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  66. Studies on cottonseed oil biodiesel prepared in non-catalytic SCF conditions

    Article • Bioresource Technology, March 2008, Elsevier

    Professor Ayhan Demirbas

  67. Importance of biomass energy sources for Turkey

    Article • Energy Policy, February 2008, Elsevier

    Professor Ayhan Demirbas

  68. Acoustic Determination of Pump Intake Pressure in Wells Producing Low-API-Gravity Crude

    Article • November 2007, Society of Petroleum Engineers (SPE)

    Professor Ayhan Demirbas

  69. Importance of biodiesel as transportation fuel

    Article • Energy Policy, September 2007, Elsevier

    Professor Ayhan Demirbas

  70. The correlation of sulfur content and other characteristics of crude oil. The abiogenic contribution to oil and gas formation

    Article • Chemistry and Technology of Fuels and Oils, July 2007, Springer Science + Business Media

    Professor Ayhan Demirbas

  71. Biodiesel from sunflower oil in supercritical methanol with calcium oxide

    Article • Energy Conversion and Management, March 2007, Elsevier

    Professor Ayhan Demirbas

  72. Thermal Degradation of Fatty Acids in Biodiesel Production by Supercritical Methanol

    Article • Energy Exploration & Exploitation, February 2007, SAGE Publications

    Professor Ayhan Demirbas

  73. API Gravity

    Article • January 2007, Wiley

    Professor Ayhan Demirbas

  74. Recent Developments in Biodiesel Fuels

    Article • International Journal of Green Energy, January 2007, Taylor & Francis

    Professor Ayhan Demirbas

  75. Acoustic Determination of Pump Intake Pressure in Wells Producing Low-API-Gravity Crude

    Article • January 2007, Society of Petroleum Engineers (SPE)

    Professor Ayhan Demirbas

  76. Desulfurization of Organic Sulfur from Lignite by an Electron Transfer Process

    Article • Energy Sources Part A Recovery Utilization and Environmental Effects, October 2006, Taylor & Francis

    Professor Ayhan Demirbas

  77. Adsorption of Sulfur Dioxide from Coal Combustion Gases on Natural Zeolite

    Article • Energy Sources Part A Recovery Utilization and Environmental Effects, October 2006, Taylor & Francis

    Professor Ayhan Demirbas

  78. Humic Substances and Nitrogen‐Containing Compounds from Low Rank Brown Coals

    Article • ChemInform, September 2006, Wiley

    Professor Ayhan Demirbas

  79. Biodiesel production via non-catalytic SCF method and biodiesel fuel characteristics

    Article • Energy Conversion and Management, September 2006, Elsevier

    Professor Ayhan Demirbas

  80. Desulfurization and Deashing of Hazro Coal by Selective Oil Agglomeration in Various Water Mediums

    Article • Energy & Fuels, August 2006, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  81. Electricity Generation Using Water Lifting Force

    Article • Energy Exploration & Exploitation, August 2006, SAGE Publications

    Professor Ayhan Demirbas

  82. Alternative Fuels for Transportation

    Article • Energy Exploration & Exploitation, February 2006, SAGE Publications

    Professor Ayhan Demirbas

  83. Electricity Generation via Unconventional Methods

    Article • Energy Exploration & Exploitation, February 2006, SAGE Publications

    Professor Ayhan Demirbas

  84. Hydrogen Production from Biomass via Supercritical Water Extraction

    Article • Energy Sources, November 2005, Taylor & Francis

    Professor Ayhan Demirbas

  85. Adsorption of Cr(III) and Cr(VI) Ions from Aqueous Solutions on to Modified Lignin

    Article • Energy Sources, November 2005, Taylor & Francis

    Professor Ayhan Demirbas

  86. Thermochemical Conversion of Biomass to Liquid Products in the Aqueous Medium

    Article • Energy Sources, October 2005, Taylor & Francis

    Professor Ayhan Demirbas

  87. Heavy Metal Contents of Fly Ashes from Selected Biomass Samples

    Article • Energy Sources, October 2005, Taylor & Francis

    Professor Ayhan Demirbas

  88. Recovery of Chemicals and Gasoline-Range Fuels from Plastic Wastes via Pyrolysis

    Article • Energy Sources, October 2005, Taylor & Francis

    Professor Ayhan Demirbas

  89. Biomass Co-Firing for Boilers Associated with Environmental Impacts

    Article • Energy Sources, October 2005, Taylor & Francis

    Professor Ayhan Demirbas

  90. Determination of Sulfur Content in Crude Oil Using On-Line X-ray Transmission Technology

    Article • Journal of ASTM International, September 2005, ASTM International

    Professor Ayhan Demirbas

  91. Degradation of Poplar and Spruce Wood Chips Using Alkaline Glycerol

    Article • Energy Sources, August 2005, Taylor & Francis

    Professor Ayhan Demirbas

  92. Relationship between Initial Moisture Content and the Liquid Yield from Pyrolysis of Sawdust

    Article • Energy Sources, July 2005, Taylor & Francis

    Professor Ayhan Demirbas

  93. New Opportunities Resulting from Cogeneration Systems Based on Biomass Gasification

    Article • Energy Sources, July 2005, Taylor & Francis

    Professor Ayhan Demirbas

  94. Hydrogen and Boron as Recent Alternative Motor Fuels

    Article • Energy Sources, June 2005, Taylor & Francis

    Professor Ayhan Demirbas

  95. Estimating of Structural Composition of Wood and Non-Wood Biomass Samples

    Article • Energy Sources, June 2005, Taylor & Francis

    Professor Ayhan Demirbas

  96. Hydrogen Production via Pyrolytic Degradation of Agricultural Residues

    Article • Energy Sources, June 2005, Taylor & Francis

    Professor Ayhan Demirbas

  97. Competition Potential of Wind Power Plants

    Article • Energy Sources, May 2005, Taylor & Francis

    Professor Ayhan Demirbas

  98. Options and Trends of Thorium Fuel Utilization

    Article • Energy Sources, May 2005, Taylor & Francis

    Professor Ayhan Demirbas

  99. Turkey's Non-fossil Energy Sources and Positive Expectations in the Next Decades

    Article • Energy Sources, May 2005, Taylor & Francis

    Professor Ayhan Demirbas

  100. Effects of Irregular Heating Rates on Pyrolysis Yields from Hazelnut Shell

    Article • Energy Sources, March 2005, Taylor & Francis

    Professor Ayhan Demirbas

  101. Fuel and Combustion Properties of Bio-wastes

    Article • Energy Sources, February 2005, Taylor & Francis

    Professor Ayhan Demirbas

  102. Bioethanol from Cellulosic Materials: A Renewable Motor Fuel from Biomass

    Article • Energy Sources, February 2005, Taylor & Francis

    Professor Ayhan Demirbas

  103. Thermochemical Conversion of Hazelnut Shell to Gaseous Products for Production of Hydrogen

    Article • Energy Sources, February 2005, Taylor & Francis

    Professor Ayhan Demirbas

  104. Recent Advances in Recycling and Re-Refining Processes of Petroleum Based Wastes (PBW)

    Article • Energy Sources, February 2005, Taylor & Francis

    Professor Ayhan Demirbas

  105. Direct and Catalytic Liquefaction of Wood Species in Aqueous Solution

    Article • Energy Sources, February 2005, Taylor & Francis

    Professor Ayhan Demirbas

  106. Desulfurization of crude oil

    Article • Focus on Catalysts, February 2005, Elsevier

    Professor Ayhan Demirbas

  107. Turkey's Water Resources and Hydropower Potential

    Article • Energy Exploration & Exploitation, February 2005, SAGE Publications

    Professor Ayhan Demirbas

  108. Determination of Sulfur Content in Crude Oil Using On-Li ne X-ray Transmission Technology

    Article • January 2005, ASTM International

    Professor Ayhan Demirbas

  109. Anaerobic Digestion of Agricultural Solid Residues

    Article • International Journal of Green Energy, January 2005, Taylor & Francis

    Professor Ayhan Demirbas

  110. Ethanol from Cellulosic Biomass Resources

    Article • International Journal of Green Energy, December 2004, Taylor & Francis

    Professor Ayhan Demirbas

  111. Removal of Organic Sulfur from Coal by Wheat Straw Ash and Potassium Ferric Hexacyanoferrat (II)

    Article • Energy Exploration & Exploitation, December 2004, SAGE Publications

    Professor Ayhan Demirbas

  112. Relationships between Carbonization Temperature and Pyrolysis Products from Biomass

    Article • Energy Exploration & Exploitation, December 2004, SAGE Publications

    Professor Ayhan Demirbas

  113. Bounding of Carbon Dioxide in Flue Gases via Carbonation Process

    Article • Energy Exploration & Exploitation, December 2004, SAGE Publications

    Professor Ayhan Demirbas

  114. Strategic Importance of Natural Gas and Electricity

    Article • Energy Sources, December 2004, Taylor & Francis

    Professor Ayhan Demirbas

  115. Utilization of Biomass as Alternative Fuel for External Combustion Engines

    Article • Energy Sources, November 2004, Taylor & Francis

    Professor Ayhan Demirbas

  116. Sustainable Development of Small Hydropower Plants (SHPs)

    Article • Energy Sources, October 2004, Taylor & Francis

    Professor Ayhan Demirbas

  117. Conversion of Agricultural Residues to Fuel Products via Supercritical Fluid Extraction

    Article • Energy Sources, October 2004, Taylor & Francis

    Professor Ayhan Demirbas

  118. Mathematical Modeling on Thermal Degradation of Wood Chips Using Glycerol and Alkaline Glycerol

    Article • Energy Sources, October 2004, Taylor & Francis

    Professor Ayhan Demirbas

  119. Hydrogen from Biomass via Pyrolysis: Relationships between Yield of Hydrogen and Temperature

    Article • Energy Sources, September 2004, Taylor & Francis

    Professor Ayhan Demirbas

  120. Mathematical Modeling the Relations of Pyrolytic Products from Lignocellulosic Materials

    Article • Energy Sources, September 2004, Taylor & Francis

    Professor Ayhan Demirbas

  121. Characterization of Products from Two Lignite Samples by Supercritical Fluid Extraction

    Article • Energy Sources, August 2004, Taylor & Francis

    Professor Ayhan Demirbas

  122. Liquid Fuels from Agricultural Residues via Conventional Pyrolysis

    Article • Energy Sources, July 2004, Taylor & Francis

    Professor Ayhan Demirbas

  123. Fuel Analyses and Thermochemical Processing of Olive Residues

    Article • Energy Sources, July 2004, Taylor & Francis

    Professor Ayhan Demirbas

  124. Current Technologies for the Thermo-Conversion of Biomass into Fuels and Chemicals

    Article • Energy Sources, July 2004, Taylor & Francis

    Professor Ayhan Demirbas

  125. Effect of initial moisture content on the yields of oily products from pyrolysis of biomass

    Article • Journal of Analytical and Applied Pyrolysis, June 2004, Elsevier

    Professor Ayhan Demirbas

  126. Coal Desulfurization via Different Methods

    Article • Energy Sources, May 2004, Taylor & Francis

    Professor Ayhan Demirbas

  127. Estimating the Calorific Values of Lignocellulosic Fuels

    Article • Energy Exploration & Exploitation, April 2004, SAGE Publications

    Professor Ayhan Demirbas

  128. Electricity from Thermal and Hydropower Sources in Turkey: Status and Future Direction

    Article • Energy Sources, April 2004, Taylor & Francis

    Professor Ayhan Demirbas

  129. Energy from Renewable Sources in Turkey: Status and Future Direction

    Article • Energy Sources, April 2004, Taylor & Francis

    Professor Ayhan Demirbas

  130. Trace Element Concentrations in Ashes from Various Types of Lichen Biomass Species

    Article • Energy Sources, April 2004, Taylor & Francis

    Professor Ayhan Demirbas

  131. The Importance of Biomass

    Article • Energy Sources, March 2004, Taylor & Francis

    Professor Ayhan Demirbas

  132. Global Energy Sources, Energy Usage, and Future Developments

    Article • Energy Sources, February 2004, Taylor & Francis

    Professor Ayhan Demirbas

  133. Turkey's Natural Gas, Hydropower, and Geothermal Energy Policies

    Article • Energy Sources, February 2004, Taylor & Francis

    Professor Ayhan Demirbas

  134. Bioenergy, Global Warming, and Environmental Impacts

    Article • Energy Sources, February 2004, Taylor & Francis

    Professor Ayhan Demirbas

  135. Briquetting Properties of Biomass Waste Materials

    Article • Energy Sources, January 2004, Taylor & Francis

    Professor Ayhan Demirbas

  136. Hazelnut Shell to Hydrogen-Rich Gaseous Products via Catalytic Gasification Process

    Article • Energy Sources, January 2004, Taylor & Francis

    Professor Ayhan Demirbas

  137. Molecular Composition of Sulfur-Containing Waste from Desulfurization of Tengiz Crude Oil

    Article • Russian Journal of Applied Chemistry, October 2003, Springer Science + Business Media

    Professor Ayhan Demirbas

  138. Current Advances in Alternative Motor Fuels

    Article • Energy Exploration & Exploitation, October 2003, SAGE Publications

    Professor Ayhan Demirbas

  139. Turkey's Water Resources and Hydropower Potential

    Article • Energy Exploration & Exploitation, October 2003, SAGE Publications

    Professor Ayhan Demirbas

  140. Demineralization of Agricultural Residues by Water Leaching

    Article • Energy Sources, July 2003, Taylor & Francis

    Professor Ayhan Demirbas

  141. Trace Metal Concentrations in Ashes from Various Types of Biomass Species

    Article • Energy Sources, July 2003, Taylor & Francis

    Professor Ayhan Demirbas

  142. Fuels Recovery from Municipal Solid and Liquid Wastes (MSLW)

    Article • Energy Sources, July 2003, Taylor & Francis

    Professor Ayhan Demirbas

  143. Chemical and Fuel Properties of Seventeen Vegetable Oils

    Article • Energy Sources, July 2003, Taylor & Francis

    Professor Ayhan Demirbas

  144. Biomass Co-Firing for Coal-Fired Boilers

    Article • Energy Exploration & Exploitation, June 2003, SAGE Publications

    Professor Ayhan Demirbas

  145. Sustainable cofiring of biomass with coal

    Article • Energy Conversion and Management, June 2003, Elsevier

    Professor Ayhan Demirbas

  146. Relationships between lignin contents and fixed carbon contents of biomass samples

    Article • Energy Conversion and Management, June 2003, Elsevier

    Professor Ayhan Demirbas

  147. Fuel Conversional Aspects of Palm Oil and Sunflower Oil

    Article • Energy Sources, May 2003, Taylor & Francis

    Professor Ayhan Demirbas

  148. Toxic Air Emissions from Biomass Combustion

    Article • Energy Sources, May 2003, Taylor & Francis

    Professor Ayhan Demirbas

  149. Biomass and Wastes: Upgrading Alternative Fuels

    Article • Energy Sources, April 2003, Taylor & Francis

    Professor Ayhan Demirbas

  150. Fuelwood Characteristics of Six Indigenous Wood Species from the Eastern Black Sea Region

    Article • Energy Sources, April 2003, Taylor & Francis

    Professor Ayhan Demirbas

  151. Mercury in U.S. Crude Oil: A Study by U.S. EPA, API and NPRA

    Article • March 2003, Society of Petroleum Engineers (SPE)

    Professor Ayhan Demirbas

  152. Mercury in U.S. Crude Oil: A Study by U.S. EPA, API and NPRA

    Article • January 2003, Society of Petroleum Engineers (SPE)

    Professor Ayhan Demirbas

  153. Characterization of Humic Substances from Lignite Samples

    Article • Energy Sources, January 2003, Taylor & Francis

    Professor Ayhan Demirbas

  154. Energy and environmental issues relating to greenhouse gas emissions in Turkey

    Article • Energy Conversion and Management, January 2003, Elsevier

    Professor Ayhan Demirbas

  155. Hydrocarbons from Pyrolysis and Hydrolysis Processes of Biomass

    Article • Energy Sources, January 2003, Taylor & Francis

    Professor Ayhan Demirbas

  156. Desulfurization of Coal Using Biomass Ash

    Article • Energy Sources, December 2002, Taylor & Francis

    Professor Ayhan Demirbas

  157. Turkey's Geothermal Energy Potential

    Article • Energy Sources, December 2002, Taylor & Francis

    Professor Ayhan Demirbas

  158. Biodiesel from vegetable oils via transesterification in supercritical methanol

    Article • Energy Conversion and Management, November 2002, Elsevier

    Professor Ayhan Demirbas

  159. Desulfurization of Lignite and Coal Using Alkaline Solution from Biomass Ashes

    Article • Energy Exploration & Exploitation, October 2002, SAGE Publications

    Professor Ayhan Demirbas

  160. Energy Conservation and Storage Systems

    Article • Energy Exploration & Exploitation, October 2002, SAGE Publications

    Professor Ayhan Demirbas

  161. Energy Utilization Systems

    Article • Energy Exploration & Exploitation, October 2002, SAGE Publications

    Professor Ayhan Demirbas

  162. Production Potential of Electricity from Biomass in Turkey

    Article • Energy Sources, October 2002, Taylor & Francis

    Professor Ayhan Demirbas

  163. Diesel Fuel from Vegetable Oil via Transesterification and Soap Pyrolysis

    Article • Energy Sources, September 2002, Taylor & Francis

    Professor Ayhan Demirbas

  164. Turkey's energy overview beginning in the twenty-first century

    Article • Energy Conversion and Management, September 2002, Elsevier

    Professor Ayhan Demirbas

  165. Fractionation and Analysis of Supercritical Fluid Extracts from Lignite

    Article • Energy Sources, September 2002, Taylor & Francis

    Professor Ayhan Demirbas

  166. Comparison of Hydrous Pyrolysis Products from Organic-Rich Sediments and Biomass

    Article • Energy Sources, September 2002, Taylor & Francis

    Professor Ayhan Demirbas

  167. Utilization of Lignin Degradation Products from Hazelnut Shell via Supercritical Fluid Extraction

    Article • Energy Sources, September 2002, Taylor & Francis

    Professor Ayhan Demirbas

  168. Electricity from Biomass and Hydroelectric Development Projects in Turkey

    Article • Energy Exploration & Exploitation, August 2002, SAGE Publications

    Professor Ayhan Demirbas

  169. Numerical Study for Production Performances of a Methane Hydrate Reservoir Stimulated by Inhibitor Injection

    Article • Energy Sources, June 2002, Taylor & Francis

    Professor Ayhan Demirbas

  170. Demineralization and desulfurization of coals via column froth flotation and different methods

    Article • Energy Conversion and Management, May 2002, Elsevier

    Professor Ayhan Demirbas

  171. An Overview of Biomass Pyrolysis

    Article • Energy Sources, May 2002, Taylor & Francis

    Professor Ayhan Demirbas

  172. Asphaltene yields from five types of fuels via different methods

    Article • Energy Conversion and Management, May 2002, Elsevier

    Professor Ayhan Demirbas

  173. Pyrolysis and steam gasification processes of black liquor

    Article • Energy Conversion and Management, May 2002, Elsevier

    Professor Ayhan Demirbas

  174. Analysis of Liquid Products from Biomass via Flash Pyrolysis

    Article • Energy Sources, April 2002, Taylor & Francis

    Professor Ayhan Demirbas

  175. Fuel Characteristics of Olive Husk and Walnut, Hazelnut, Sunflower, and Almond Shells

    Article • Energy Sources, March 2002, Taylor & Francis

    Professor Ayhan Demirbas

  176. Utilization of Urban and Pulping Wastes to Produce Synthetic Fuel via Pyrolysis

    Article • Energy Sources, March 2002, Taylor & Francis

    Professor Ayhan Demirbas

  177. Relationships between Heating Value and Lignin, Moisture, Ash and Extractive Contents of Biomass Fuels

    Article • Energy Exploration & Exploitation, February 2002, SAGE Publications

    Professor Ayhan Demirbas

  178. Humic Acid Derivatives (HAD) from Low Rank Turkish Brown Coals

    Article • Energy Sources, February 2002, Taylor & Francis

    Professor Ayhan Demirbas

  179. PHYSICAL AND CHEMICAL CHARACTERIZATIONS OF ASPHALTENES FROM DIFFERENT SOURCES

    Article • Petroleum Science and Technology, January 2002, Taylor & Francis

    Professor Ayhan Demirbas

  180. Sustainable Developments of Hydropower Energy in Turkey

    Article • Energy Sources, January 2002, Taylor & Francis

    Professor Ayhan Demirbas

  181. Hydrogen Production from Biomass by the Gasification Process

    Article • Energy Sources, January 2002, Taylor & Francis

    Professor Ayhan Demirbas

  182. Hydrogen rich gas mixture from olive husk via pyrolysis

    Article • Energy Conversion and Management, January 2002, Elsevier

    Professor Ayhan Demirbas

  183. Concentrations of 21 metals in 18 species of mushrooms growing in the East Black Sea region

    Article • Food Chemistry, December 2001, Elsevier

    Professor Ayhan Demirbas

  184. Recovery of boric and phosphoric acid residues from wastewater

    Article • International Journal of Environmental Studies, October 2001, Taylor & Francis

    Professor Ayhan Demirbas

  185. Hydrogen-Rich Gaseous Products from Tea Waste by Pyrolysis

    Article • Energy Sources, September 2001, Taylor & Francis

    Professor Ayhan Demirbas

  186. Heavy metal bioaccumulation by mushrooms from artificially fortified soils

    Article • Food Chemistry, August 2001, Elsevier

    Professor Ayhan Demirbas

  187. Carbonization ranking of selected biomass for charcoal, liquid and gaseous products

    Article • Energy Conversion and Management, July 2001, Elsevier

    Professor Ayhan Demirbas

  188. Biomass to methanol via pyrolysis process

    Article • Energy Conversion and Management, July 2001, Elsevier

    Professor Ayhan Demirbas

  189. Biomass resource facilities and biomass conversion processing for fuels and chemicals

    Article • Energy Conversion and Management, July 2001, Elsevier

    Professor Ayhan Demirbas

  190. Long-term wear on outside walls of buildings by sulfur dioxide corrosion

    Article • Cement and Concrete Research, January 2001, Elsevier

    Professor Ayhan Demirbas

  191. Sulfur Removal from Lignite Using Alkaline Solution from Tea Waste Ash by Water Extraction

    Article • Energy Sources, October 2000, Taylor & Francis

    Professor Ayhan Demirbas

  192. Conversion of Olive Husk to Liquid Fuel by Pyrolysis and Catalytic Liquefaction

    Article • Energy Sources, August 2000, Taylor & Francis

    Professor Ayhan Demirbas

  193. Accumulation of heavy metals in some edible mushrooms from Turkey

    Article • Food Chemistry, March 2000, Elsevier

    Professor Ayhan Demirbas

  194. Regional distribution and °API gravity of oil inclusions from Upper Ordovician Yeoman Formation, southeast Saskatchewan: evaluation of potential hydrocarbon migration pathways

    Article • January 2000, Natural Resources Canada/ESS/Scientific and Technical Publishing Services

    Professor Ayhan Demirbas

  195. Recovery of boric acid from boronic wastes by leaching with water, carbon dioxide- or sulfur dioxide-saturated water and leaching kinetics

    Article • Resources Conservation and Recycling, January 2000, Elsevier

    Professor Ayhan Demirbas

  196. Sulfur specificity in the bench-scale biological desulfurization of crude oil byRhodococcus IGTS8

    Article • Journal of Chemical Technology & Biotechnology, October 1999, Wiley

    Professor Ayhan Demirbas

  197. Proximate and heavy metal composition in chicken meat and tissues

    Article • Food Chemistry, October 1999, Elsevier

    Professor Ayhan Demirbas

  198. Evaluation of lignite combustion residues as cement additives☆☆This paper was originally submitted to Advanced Cement Based Materials. The paper was received at the Editorial Office of Cement and Concrete Research on 30 October 1998 and accepted in fin...

    Article • Cement and Concrete Research, July 1999, Elsevier

    Professor Ayhan Demirbas

  199. Non-isothermal leaching kinetics of braunite in water saturated with sulphur dioxide

    Article • Resources Conservation and Recycling, April 1999, Elsevier

    Professor Ayhan Demirbas

  200. Properties of charcoal derived from hazelnut shell and the production of briquettes using pyrolytic oil

    Article • Energy, February 1999, Elsevier

    Professor Ayhan Demirbas

  201. Evaluation of Biomass Materials as Energy Sources: Upgrading of Tea Waste by Briquetting Process

    Article • Energy Sources, February 1999, Taylor & Francis

    Professor Ayhan Demirbas

  202. Recycling of lithium from borogypsum by leaching with water and leaching kinetics

    Article • Resources Conservation and Recycling, February 1999, Elsevier

    Professor Ayhan Demirbas

  203. Photochemical Desulfurization of Light Oils Using Oil/Hydrogen Peroxide Aqueous Solution Extraction System: Application for High Sulfur Content Straight-Run Light Gas Oil and Aromatic Rich Light Cycle Oil.

    Article • JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, January 1999, Society of Chemical Engineers, Japan

    Professor Ayhan Demirbas

  204. Kinetics for non-isothermal flash pyrolysis of hazelnut shell

    Article • Bioresource Technology, December 1998, Elsevier

    Professor Ayhan Demirbas

  205. COMBUSTION PROPERTIES AND CALCULATION HIGHER HEATING VALUES OF DIESEL FUELS

    Article • Petroleum Science and Technology, August 1998, Taylor & Francis

    Professor Ayhan Demirbas

  206. Fuel properties and calculation of higher heating values of vegetable oils

    Article • Fuel, July 1998, Elsevier

    Professor Ayhan Demirbas

  207. Evaluation of biomass residue

    Article • Fuel Processing Technology, May 1998, Elsevier

    Professor Ayhan Demirbas

  208. Abstract: Comparison of Micro-Techniques Used for Analyzing Oils in Sidewall Cores to Model Viscosity, API Gravity, and Sulfur Content 

    Article • AAPG Bulletin, January 1998, CrossRef Test Account

    Professor Ayhan Demirbas

  209. Optimum sulfur content of pig iron for desulfurization outside the furnace

    Article • Metallurgist, December 1997, Springer Science + Business Media

    Professor Ayhan Demirbas

  210. Estimation of Calorific Values of Fuels from Lignocellulosics

    Article • Energy Sources, October 1997, Taylor & Francis

    Professor Ayhan Demirbas

  211. Turkish Secondary Students' Conceptions of the Introductory Concepts

    Article • Journal of Chemical Education, May 1997, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  212. Calculation of higher heating values of biomass fuels

    Article • Fuel, April 1997, Elsevier

    Professor Ayhan Demirbas

  213. Sulfur content and sulfur isotopic composition of crude oils from the oil-field region of northeastern Japan.

    Article • Journal of the Japanese Association for Petroleum Technology, January 1997, Japanese Association for Petroleum Engineers

    Professor Ayhan Demirbas

  214. Optimizing the physical and technological properties of cement additives in concrete mixtures

    Article • Cement and Concrete Research, November 1996, Elsevier

    Professor Ayhan Demirbas

  215. Utilization of lignite ash in concrete mixture

    Article • Cement and Concrete Research, December 1995, Elsevier

    Professor Ayhan Demirbas

  216. Early Operating Experience Of A Minimum Facilities Platform Designed To Process 20° API Eocene Crude Oil

    Article • January 1994, Society of Petroleum Engineers (SPE)

    Professor Ayhan Demirbas

  217. CHEMICALS FROM FOREST PROOUCTS BY EFFICIENT EXTRACTION METHODS

    Article • Fuel Science and Technology International, January 1994, Taylor & Francis

    Professor Ayhan Demirbas

  218. CONVERSION OF WOOD TO LIQUID PRODUCTS USING ALKALINE GLYCEROL

    Article • Fuel Science and Technology International, January 1992, Taylor & Francis

    Professor Ayhan Demirbas

  219. Fatty and Resin Acids Recovered from Spruce Wood by Supercritical Acetone Extraction

    Article • Holzforschung, January 1991, De Gruyter

    Professor Ayhan Demirbas

  220. Dry And Wet Combustion Studies Of Different Api Gravity Crude Oils From Turkish Oil Fields

    Article • January 1988, Society of Petroleum Engineers (SPE)

    Professor Ayhan Demirbas

  221. Sulfur content of crude rapesseed oil from aqueous extraction

    Article • Journal of the American Oil Chemists Society, February 1980, Wiley

    Professor Ayhan Demirbas

  222. Diesel Power, Economy, and API Gravity

    Article • January 1967, ASTM International

    Professor Ayhan Demirbas

  223. Elemental Sulfur in Crude Oil

    Article • Analytical Chemistry, November 1952, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  224. Catalytic Desulfurization of Crude Oil

    Article • Industrial & Engineering Chemistry, December 1949, American Chemical Society (ACS)

    Professor Ayhan Demirbas

  225. Changes in the phosphatide content of crude soybean oil during storage

    Article • Journal of the American Oil Chemists Society, April 1937, Springer Science + Business Media

    Professor Ayhan Demirbas

  226. Gossypol content and refining losses on crude cottonseed oil

    Article • Journal of the American Oil Chemists Society, June 1934, Springer Science + Business Media

    Professor Ayhan Demirbas

  227. Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  228. Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  229. Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  230. Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  231. Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  232. Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    Article • ASTM International

    Professor Ayhan Demirbas

  233. Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    Article • ASTM International

    Professor Ayhan Demirbas

  234. Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  235. Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  236. Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    Article • ASTM International

    Professor Ayhan Demirbas

  237. Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    Article • ASTM International

    Professor Ayhan Demirbas

  238. Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  239. Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    Article • ASTM International

    Professor Ayhan Demirbas

  240. Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  241. Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  242. Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    Article • ASTM International

    Professor Ayhan Demirbas

  243. Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    Article • ASTM International

    Professor Ayhan Demirbas

  244. Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  245. Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  246. Crude oil prices

    Article • OECD

    Professor Ayhan Demirbas

  247. Crude oil prices

    Article • OECD

    Professor Ayhan Demirbas

  248. Crude oil prices

    Article • OECD

    Professor Ayhan Demirbas

  249. Test Methods for Determination of Organic Chloride Content in Crude Oil

    Article • ASTM International

    Professor Ayhan Demirbas

  250. Standard Practice for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

    Article • ASTM International

    Professor Ayhan Demirbas

  251. Test Method for Rubber Chemicals--Determination of Oil Content in Oil-Treated Sulfur

    Article • ASTM International

    Professor Ayhan Demirbas

  252. Crude oil spot prices

    Article • OECD

    Professor Ayhan Demirbas

  253. Production of crude oil

    Article • OECD

    Professor Ayhan Demirbas

  254. Crude oil import prices

    Article • OECD

    Professor Ayhan Demirbas

  255. Production of crude oil

    Article • OECD

    Professor Ayhan Demirbas

  256. Crude oil import prices

    Article • OECD

    Professor Ayhan Demirbas

  257. Crude oil spot prices

    Article • OECD

    Professor Ayhan Demirbas

  258. Crude sesame oil

    Article • BSI British Standards

    Professor Ayhan Demirbas

  259. Crude sperm oil

    Article • BSI British Standards

    Professor Ayhan Demirbas