All Stories

  1. Forecasting the Removal of Micropollutants and Chemical Contaminants of Emerging Concern in Activated Sludge Treatment—A Practical Model Supporting the Implementation of the New EU Directive on Urban Wastewater Treatment

    Article • August 2026, MDPI AG

    Dr Rui M.C. Viegas

  2. A novel phenomenological model for streamlined prediction and online monitoring of organic micropollutant removal in full-scale wastewater ozonation

    Article • Desalination, June 2026, Elsevier

    Dr Rui M.C. Viegas

  3. Guidance on effective exploitation of spectroscopic techniques for assessing wastewater discharges in water bodies

    Article • Journal of Environmental Management, April 2026, Elsevier

    Dr Rui M.C. Viegas

  4. Pilot-scale demonstration of advanced wastewater treatment for direct potable water reuse for beer production

    Article • Separation and Purification Technology, November 2025, Elsevier

    Dr Rui M.C. Viegas

  5. Controlling organic micropollutants in urban (waste) water treatment by activated carbon adsorption and membrane technology

    Article • December 2023, IWA Publishing

    Dr Rui M.C. Viegas

  6. Modeling Chlorine Decay in Reclaimed Water Distribution Systems—A Lisbon Area Case Study

    Article • Sustainability, November 2023, MDPI AG

    Dr Rui M.C. Viegas

  7. Modelação do decaimento de cloro em sistemas de distribuição de água para reutilização

    Article • Águas e Resíduos, November 2022, APESB - Associacao Portuguesa de Engenharia Sanitaria e Ambeintal

    Dr Rui M.C. Viegas

  8. Powdered activated carbon full-scale addition to the activated sludge reactor of a municipal wastewater treatment plant: Pharmaceutical compounds control and overall impact on the process

    Article • Journal of Water Process Engineering, October 2022, Elsevier

    Dr Rui M.C. Viegas

  9. Engineered pine nut shell derived activated carbons for improved removal of recalcitrant pharmaceuticals in urban wastewater treatment

    Article • Journal of Hazardous Materials, September 2022, Elsevier

    Dr Rui M.C. Viegas, Dr Ana Sofia Mestre

  10. Key Factors for Activated Carbon Adsorption of Pharmaceutical Compounds from Wastewaters: A Multivariate Modelling Approach

    Article • Water, January 2022, MDPI AG

    Dr Ana Sofia Mestre, Dr Rui M.C. Viegas

  11. Activated carbons in full-scale advanced wastewater treatment

    Article • January 2022, Elsevier

    Dr Ana Sofia Mestre, Dr Rui M.C. Viegas

  12. Identification and Modelling of Chlorine Decay Mechanisms in Reclaimed Water Containing Ammonia

    Article • Sustainability, December 2021, MDPI AG

    Dr Rui M.C. Viegas

  13. Adsorption/Coagulation/Ceramic Microfiltration for Treating Challenging Waters for Drinking Water Production

    Article • Membranes, January 2021, MDPI AG

    Dr Rui M.C. Viegas

  14. Hybrid Process of Adsorption/Coagulation/Ceramic MF for Removing Pesticides in Drinking Water Treatment—Inline vs. Contact Tank PAC Dosing

    Article • Membranes, January 2021, MDPI AG

    Dr Rui M.C. Viegas

  15. To what extent may pharmaceuticals and pesticides be removed by PAC conventional addition to low-turbidity surface waters and what are the potential bottlenecks?

    Article • Journal of Water Process Engineering, December 2020, Elsevier

    Dr Rui M.C. Viegas

  16. Assessing the applicability of a new carob waste-derived powdered activated carbon to control pharmaceutical compounds in wastewater treatment

    Article • The Science of The Total Environment, November 2020, Elsevier

    Dr Rui M.C. Viegas, Dr Ana Sofia Mestre

  17. Operational performance and cost analysis of PAC/ceramic MF for drinking water production: exploring treatment capacity as a new indicator for performance assessment and optimization

    Article • Separation and Purification Technology, July 2020, Elsevier

    Dr Rui M.C. Viegas

  18. Estratégias de reforço físico-químico com carvão ativado em pó para controlo de fármacos em ETAR

    Article • Águas e Resíduos, April 2020, APESB - Associacao Portuguesa de Engenharia Sanitaria e Ambeintal

    Dr Rui M.C. Viegas

  19. Pilot Studies and Cost Analysis of Hybrid Powdered Activated Carbon/Ceramic Microfiltration for Controlling Pharmaceutical Compounds and Organic Matter in Water Reclamation

    Article • Water, December 2019, MDPI AG

    Dr Rui M.C. Viegas

  20. Tratamento de água com carvão ativado em pó/microfiltração cerâmica (PAC/MF) – quando e onde?

    Article • Águas e Resíduos, December 2017, APESB - Associacao Portuguesa de Engenharia Sanitaria e Ambeintal

    Dr Rui M.C. Viegas

  21. Assessment of Current Models Ability to Describe Chlorine Decay and Appraisal of Water Spectroscopic Data as Model Inputs

    Article • Journal of Environmental Engineering, January 2017, American Society of Civil Engineers (ASCE)

    Dr Rui M.C. Viegas

  22. Modelling chlorine residual decay as influenced by temperature

    Article • Water and Environment Journal, May 2015, Wiley

    Dr Rui M.C. Viegas

  23. Water reclamation with hybrid coagulation–ceramic microfiltration: first part of a long-term pilot study in Portugal

    Article • Journal of Water Reuse and Desalination, March 2015, IWA Publishing

    Dr Rui M.C. Viegas

  24. How do the HSDM and Boyd’s model compare for estimating intraparticle diffusion coefficients in adsorption processes

    Article • Adsorption, June 2014, Springer Science + Business Media

    Dr Rui M.C. Viegas

  25. Modelling and understanding the competitive adsorption of microcystins and tannic acid

    Article • Water Research, October 2013, Elsevier

    Dr Rui M.C. Viegas

  26. Aroma recovery by integration of sweeping gas pervaporation and liquid absorption in membrane contactors

    Article • Separation and Purification Technology, November 2009, Elsevier

    Dr Rui M.C. Viegas

  27. Racemic resolution of propranolol in membrane contactors: Modelling and process optimisation

    Article • Journal of Membrane Science, November 2007, Elsevier

    Dr Rui M.C. Viegas

  28. Modelling of the enantio-selective extraction of propranolol in a biphasic system

    Article • Separation and Purification Technology, March 2007, Elsevier

    Dr Rui M.C. Viegas

  29. Removal of heavy metals from drinking water supplies through the ion exchange membrane bioreactor

    Article • Desalination, November 2006, Elsevier

    Dr Rui M.C. Viegas

  30. Hybrid modelling of the racemic resolution of propranolol in membrane contactors

    Article • Desalination, November 2006, Elsevier

    Dr Rui M.C. Viegas

  31. Enantioselective Separation of Propranolol by Chiral Activated Membranes

    Article • Separation Science and Technology, March 2005, Taylor & Francis

    Dr Rui M.C. Viegas

  32. Kinetics of phenylalanine extraction and reextraction by cationic reversed micelles using a diffusion cell

    Article • Chemical Engineering Science, August 2000, Elsevier

    Dr Rui M.C. Viegas

  33. Transport mechanisms and modelling in liquid membrane contactors

    Article • Separation and Purification Technology, July 2000, Elsevier

    Dr Rui M.C. Viegas

  34. MEMBRANE CONTACTORS: MEMBRANE SEPARATIONS

    Article • January 2000, Elsevier

    Dr Rui M.C. Viegas

  35. Extraction and re-extraction of phenylalanine by cationic reversed micelles in hollow fibre contactors

    Article • Journal of Membrane Science, April 1999, Elsevier

    Dr Rui M.C. Viegas

  36. Mass transfer correlations in membrane extraction: Analysis of Wilson-plot methodology

    Article • Journal of Membrane Science, June 1998, Elsevier

    Dr Rui M.C. Viegas

  37. Removal of valeric acid from wastewaters by membrane contactors

    Article • Journal of Membrane Science, December 1997, Elsevier

    Dr Rui M.C. Viegas

  38. Membrane-based solvent extraction and stripping of lactate in hollow-fibre contactors

    Article • Journal of Membrane Science, October 1997, Elsevier

    Dr Rui M.C. Viegas