All Stories

  1. Conceptual mechanism and kinetic studies of chelating agent assisted metal extraction process from spent catalyst

    Article • Journal of Industrial and Engineering Chemistry, July 2015, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  2. Chelation technology: a promising green approach for resource management and waste minimization

    Article • Environmental Science Processes & Impacts, January 2015, Royal Society of Chemistry

    Professor KRISHNA DEO K D P NIGAM

  3. Novel three-dimensional microfluidic device for process intensification

    Article • Chemical Engineering and Processing - Process Intensification, December 2014, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  4. The thermal and transport characteristics of nanofluids in a novel three-dimensional device

    Article • The Canadian Journal of Chemical Engineering, October 2014, Wiley

    Professor KRISHNA DEO K D P NIGAM

  5. Prediction of mass transfer coefficients in a slurry bubble column based on the geometrical characteristics of bubbles

    Article • Chemical Engineering Science, March 2014, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  6. Metal Recovery from Hydroprocessing Spent Catalyst: A Green Chemical Engineering Approach

    Article • Industrial & Engineering Chemistry Research, November 2013, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  7. Krishna Deo Prasad Nigam honored with Humboldt Research Award

    Article • Green Processing and Synthesis, January 2013, De Gruyter

    Professor KRISHNA DEO K D P NIGAM

  8. Development of green technology for extraction of nickel from spent catalyst and its optimization using response surface methodology

    Article • Green Processing and Synthesis, January 2013, De Gruyter

    Professor KRISHNA DEO K D P NIGAM

  9. Extraction of Nickel from Spent Catalyst Using Biodegradable Chelating Agent EDDS

    Article • Industrial & Engineering Chemistry Research, August 2012, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  10. Krishna Deo Prasad Nigam (KDPN)

    Article • Industrial & Engineering Chemistry Research, February 2012, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  11. Preface to the Professor K. D. P. Nigam Festschrift

    Article • Industrial & Engineering Chemistry Research, February 2012, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  12. Process intensification in green synthesis

    Article • Green Processing and Synthesis, January 2012, De Gruyter

    Professor KRISHNA DEO K D P NIGAM

  13. Liquid–Liquid Mixing in Coiled Flow Inverter

    Article • Industrial & Engineering Chemistry Research, December 2011, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  14. Single-phase fluid flow and mixing in microchannels

    Article • Chemical Engineering Science, April 2011, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  15. Preface to Special Issue on microfluidic engineering

    Article • Chemical Engineering Science, April 2011, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  16. Festschrift in Honor of Professor Nabil Esmail

    Article • Asia-Pacific Journal of Chemical Engineering, January 2011, Wiley

    Professor KRISHNA DEO K D P NIGAM

  17. Radioisotope tracer study in trickle bed reactors

    Article • The Canadian Journal of Chemical Engineering, September 2010, Wiley

    Professor KRISHNA DEO K D P NIGAM

  18. Numerical modeling of polystyrene synthesis in coiled flow inverter

    Article • Microfluidics and Nanofluidics, August 2010, Springer Science + Business Media

    Professor KRISHNA DEO K D P NIGAM

  19. Numerical study of drop spreading over saturated pores

    Article • The Canadian Journal of Chemical Engineering, July 2010, Wiley

    Professor KRISHNA DEO K D P NIGAM

  20. Homage/dedication of the issue to Prof. E. Bruce Nauman (1937–2009)

    Article • Chemical Engineering and Processing - Process Intensification, July 2010, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  21. Co-current descending two-phase flows in inclined packed beds: Experiments versus simulations

    Article • The Canadian Journal of Chemical Engineering, June 2010, Wiley

    Professor KRISHNA DEO K D P NIGAM

  22. Recovery of Nickel from Spent Industrial Catalysts Using Chelating Agents

    Article • Industrial & Engineering Chemistry Research, March 2010, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  23. Propagation of slow/fast-mode solitary liquid waves in trickle beds via electrical capacitance tomography and computational fluid dynamics

    Article • Chemical Engineering Science, February 2010, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  24. Extraction of nickel from spent catalyst using fresh and recovered EDTA

    Article • Journal of Hazardous Materials, November 2009, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  25. Experimental Study on Pressure Drop and Heat Transfer of Turbulent Flow in Tube in Tube Helical Heat Exchanger

    Article • Industrial & Engineering Chemistry Research, October 2009, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  26. (Gas)−Liquid−Solid Circulating Fluidized Bed Reactors: Characteristics and Applications

    Article • Industrial & Engineering Chemistry Research, September 2009, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  27. Prediction of flow profiles and interfacial phenomena for two-phase flow in coiled tubes

    Article • Chemical Engineering and Processing - Process Intensification, January 2009, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  28. Effect of Particle Porosity on Hysteresis in Trickle-Bed Reactors

    Article • Industrial & Engineering Chemistry Research, November 2008, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  29. Numerical studies of a tube-in-tube helically coiled heat exchanger

    Article • Chemical Engineering and Processing - Process Intensification, November 2008, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  30. Experimental investigation of void fraction and flow patterns in coiled flow inverter

    Article • Chemical Engineering and Processing - Process Intensification, August 2008, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  31. Performance of Kenics static mixer over a wide range of Reynolds number

    Article • Chemical Engineering Journal, June 2008, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  32. A Novel Countercurrent Fixed Bed Reactor

    Article • The Canadian Journal of Chemical Engineering, May 2008, Wiley

    Professor KRISHNA DEO K D P NIGAM

  33. Coiled flow inverter as an inline mixer

    Article • Chemical Engineering Science, March 2008, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  34. A HOMOGENEOUS MODEL FOR MASS TRANSFER ENHANCEMENT IN GAS-LIQUID-LIQUID SYSTEMS

    Article • Chemical Engineering Communications, February 2008, Taylor & Francis

    Professor KRISHNA DEO K D P NIGAM

  35. Kinetics studies of ketazine formation: Effect of temperature and catalyst concentration

    Article • The Canadian Journal of Chemical Engineering, January 2008, Wiley

    Professor KRISHNA DEO K D P NIGAM, Dr Raminder Kaur

  36. Slug flow in curved microreactors: Hydrodynamic study

    Article • Chemical Engineering Science, December 2007, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  37. Investigation of liquid maldistribution in trickle-bed reactors using porous media concept in CFD

    Article • Chemical Engineering Science, December 2007, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  38. Numerical simulations of drop impact and spreading on horizontal and inclined surfaces

    Article • Chemical Engineering Science, December 2007, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  39. Prediction of pressure drop and liquid holdup in trickle bed reactor using relative permeability concept in CFD

    Article • Chemical Engineering Science, November 2007, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  40. Gas−Liquid Distributors for Trickle-Bed Reactors:  A Review

    Article • Industrial & Engineering Chemistry Research, September 2007, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  41. Agitation Effects in a Gas-Liquid-Liquid Reactor System: Methyl Ethyl Ketazine Production

    Article • International Journal of Chemical Reactor Engineering, July 2007, De Gruyter

    Professor KRISHNA DEO K D P NIGAM, Dr Raminder Kaur

  42. Laminar convective heat transfer in chaotic configuration

    Article • International Journal of Heat and Mass Transfer, July 2007, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  43. Coiled flow inverter as a heat exchanger

    Article • Chemical Engineering Science, May 2007, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  44. Fluid Flow and Heat Transfer in Curved Tubes with Temperature-Dependent Properties

    Article • Industrial & Engineering Chemistry Research, May 2007, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  45. ROLE OF DISPERSED PHASE IN GAS-LIQUID REACTIONS: A REVIEW

    Article • Reviews in Chemical Engineering, January 2007, De Gruyter

    Professor KRISHNA DEO K D P NIGAM, Dr Raminder Kaur

  46. Kinetics of Silica Dissolution from Rice Husk Char

    Article • The Canadian Journal of Chemical Engineering, December 2006, Wiley

    Professor KRISHNA DEO K D P NIGAM

  47. Mixing in curved tubes

    Article • Chemical Engineering Science, September 2006, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  48. Pressure drop and heat transfer study in tube-in-tube helical heat exchanger

    Article • Chemical Engineering Science, July 2006, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  49. CFD modeling of flow profiles and interfacial phenomena in two-phase flow in pipes

    Article • Chemical Engineering and Processing - Process Intensification, January 2006, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  50. Numerical modeling of three-phase stratified flow in pipes

    Article • Chemical Engineering Science, December 2005, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  51. Process intensification in trickle-bed reactors

    Article • Chemical Engineering Science, November 2005, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  52. Numerical simulation of steady flow fields in coiled flow inverter

    Article • International Journal of Heat and Mass Transfer, November 2005, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  53. Trickle-Bed Reactors:  Porosity-Induced Hysteresis †

    Article • Industrial & Engineering Chemistry Research, August 2005, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  54. Catalytic wet oxidation of phenol in a trickle bed reactor

    Article • Chemical Engineering Journal, October 2004, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  55. Enhanced liquid spreading due to porosity

    Article • Chemical Engineering Science, July 2004, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  56. TRICKLE-BED REACTORS: LIQUID DISTRIBUTION AND FLOW TEXTURE

    Article • Reviews in Chemical Engineering, January 2004, De Gruyter

    Professor KRISHNA DEO K D P NIGAM

  57. Catalyst wetting characteristics in trickle-bed reactors

    Article • AIChE Journal, September 2003, Wiley

    Professor KRISHNA DEO K D P NIGAM

  58. Static Mixers in the Process Industries—A Review

    Article • Chemical Engineering Research and Design, August 2003, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  59. RECENT DEVELOPMENTS ON HYDROPROCESSING REACTORS

    Article • Reviews in Chemical Engineering, January 2003, De Gruyter

    Professor KRISHNA DEO K D P NIGAM

  60. Modeling hydrodynamics of trickle-bed reactors at high pressure

    Article • AIChE Journal, November 2002, Wiley

    Professor KRISHNA DEO K D P NIGAM

  61. Static Mixers to Promote Axial Mixing

    Article • Chemical Engineering Research and Design, September 2002, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  62. Partial wetting in porous catalysts: wettability and wetting efficiency

    Article • Chemical Engineering Science, August 2002, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  63. Modelling of a coiled tubular chemical reactor

    Article • Chemical Engineering Journal, December 2001, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  64. Laminar convection of non-Newtonian fluids in the thermal entrance region of coiled circular tubes

    Article • Chemical Engineering Journal, December 2001, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  65. Liquid distribution studies in trickle-bed reactors

    Article • Chemical Engineering Science, November 2001, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  66. RADIOTRACER APPLICATIONS IN CHEMICAL PROCESS INDUSTRY

    Article • Reviews in Chemical Engineering, January 2001, De Gruyter

    Professor KRISHNA DEO K D P NIGAM

  67. Liquid distribution in trickle-bed reactors

    Article • AIChE Journal, September 1998, Wiley

    Professor KRISHNA DEO K D P NIGAM

  68. TRICKLE BED REACTORS

    Article • Reviews in Chemical Engineering, January 1996, De Gruyter

    Professor KRISHNA DEO K D P NIGAM

  69. The Kenics static mixer: new data and proposed correlations

    Article • The Chemical Engineering Journal and the Biochemical Engineering Journal, November 1995, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  70. Effect of angle of inclination on liquid-phase controlled mass transfer from a gas slug

    Article • Chemical Engineering Science, January 1995, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  71. Residence time distribution from a continuous Couette flow device

    Article • The Chemical Engineering Journal, February 1992, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  72. Flow regimes, hold-up and pressure drop for two phase flowin helical coils

    Article • The Canadian Journal of Chemical Engineering, August 1990, Wiley

    Professor KRISHNA DEO K D P NIGAM

  73. Gas-liquid mass transfer in three-phase fluidized beds with viscous pseudoplastic liquids

    Article • The Canadian Journal of Chemical Engineering, October 1989, Wiley

    Professor KRISHNA DEO K D P NIGAM

  74. STUDIES ON BUBBLE RISE VELOCITY IN BUBBLE COLUMNS EMPLOYING NON-NEWTONIAN SOLUTIONS

    Article • Chemical Engineering Communications, November 1988, Taylor & Francis

    Professor KRISHNA DEO K D P NIGAM

  75. Gas/liquid mass transfer in a bubble column with suspended nonwettable solids

    Article • AIChE Journal, November 1987, Wiley

    Professor KRISHNA DEO K D P NIGAM

  76. Gas-liquid mass transfer in a bubble column with suspended solids

    Article • AIChE Journal, February 1987, Wiley

    Professor KRISHNA DEO K D P NIGAM

  77. Studies on gas holdup and bubble parameters in bubble columns with (carboxymethyl)cellulose solutions

    Article • Industrial & Engineering Chemistry Research, January 1987, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  78. Optimum gas sparger design for bubble columns with a low height-to-diameter ratio

    Article • The Chemical Engineering Journal, October 1986, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  79. Hydrodynamics and mixing in highly viscous pseudo-plastic non-newtonian solutions in bubble columns

    Article • Chemical Engineering Science, January 1986, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  80. Residence time distributions of power law fluids in motionless mixers

    Article • The Canadian Journal of Chemical Engineering, June 1985, Wiley

    Professor KRISHNA DEO K D P NIGAM

  81. Coiled configuration for flow inversion and its effect on residence time distribution

    Article • AIChE Journal, May 1984, Wiley

    Professor KRISHNA DEO K D P NIGAM

  82. An approximate solution for diffusion and reaction in a non-ideal tubular reactor

    Article • International Communications in Heat and Mass Transfer, July 1983, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  83. An approach in modeling the tubular polymer reactor

    Article • Journal of Applied Polymer Science, March 1983, Wiley

    Professor KRISHNA DEO K D P NIGAM

  84. RTD for diffusion-free laminar flow of non-newtonian fluids through coiled tubes

    Article • The Canadian Journal of Chemical Engineering, February 1983, Wiley

    Professor KRISHNA DEO K D P NIGAM

  85. Laminar dispersion in helically coiled tubes of square cross-section

    Article • The Canadian Journal of Chemical Engineering, February 1983, Wiley

    Professor KRISHNA DEO K D P NIGAM

  86. Coating flows with interfacial air drag. A nonlinear theory

    Article • The Canadian Journal of Chemical Engineering, August 1982, Wiley

    Professor KRISHNA DEO K D P NIGAM

  87. Homogeneous-heterogeneous reactions in a tubular reactor: An analytical solution

    Article • The Chemical Engineering Journal, January 1982, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  88. Laminar dispersion of polymer solutions in helical coils

    Article • Journal of Applied Polymer Science, March 1981, Wiley

    Professor KRISHNA DEO K D P NIGAM

  89. Liquid flow over a rotating dip coater

    Article • The Canadian Journal of Chemical Engineering, October 1980, Wiley

    Professor KRISHNA DEO K D P NIGAM

  90. Residence time distribution in static mixer

    Article • The Canadian Journal of Chemical Engineering, August 1980, Wiley

    Professor KRISHNA DEO K D P NIGAM

  91. Application of Galerkin technique to diffusion problems in tubular reactor

    Article • Chemical Engineering Science, January 1980, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  92. Diffusion coefficient in polymer solutions

    Article • Journal of Applied Polymer Science, May 1979, Wiley

    Professor KRISHNA DEO K D P NIGAM

  93. On RTD for laminar flow in helical coils

    Article • Chemical Engineering Science, January 1979, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  94. Consecutive reactions in a non-ideal tubular reactor

    Article • Chemical Engineering Science, January 1977, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  95. Diffusion and reaction in tubular reactor with non-Newtonian laminar flow

    Article • Chemical Engineering Science, January 1977, Elsevier

    Professor KRISHNA DEO K D P NIGAM

  96. Studies on Tubular Flow Reactor with Motionless Mixing Elements

    Article • Industrial & Engineering Chemistry Process Design and Development, July 1976, American Chemical Society (ACS)

    Professor KRISHNA DEO K D P NIGAM

  97. Transient behaviour of a non-ideal tubular reactor

    Article • The Canadian Journal of Chemical Engineering, June 1976, Wiley

    Professor KRISHNA DEO K D P NIGAM

  98. Influence of curvature and pulsations on laminar dispersion

    Article • Chemical Engineering Science, January 1976, Elsevier

    Professor KRISHNA DEO K D P NIGAM