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  1. Long-term performance and operational factors of a pilot-scale bioscrubber for landfill biogas desulfurization

    Article • Journal of Cleaner Production, December 2025, Elsevier

    Martín Ramírez

  2. Anoxic desulfurization of biogas rich in hydrogen sulfide through feedback control using biotrickling filters: Operational limits and multi-omics analysis

    Article • Bioresource Technology, July 2025, Elsevier

    Martín Ramírez

  3. Chemolithoautotrophic elimination of H2S from biogas in a pilot-scale biotrickling filter for agricultural applications

    Article • Biomass and Bioenergy, May 2025, Elsevier

    Martín Ramírez

  4. Project‐Based Learning in Bioprocess Engineering: MATLAB Software as a Tool for Industrial‐Scale Bioreactor Design

    Article • Computer Applications in Engineering Education, December 2024, Wiley

    Martín Ramírez

  5. Enhancing the biodegradation of hydrophobic volatile organic compounds: A study on microbial consortia adaptation and the role of surfactants

    Article • Journal of Environmental Management, November 2024, Elsevier

    Martín Ramírez

  6. Biofiltration of gaseous mixtures of dimethyl sulfide, dimethyl disulfide and dimethyl trisulfide: Effect of operational conditions and microbial analysis

    Article • Journal of Environmental Management, June 2024, Elsevier

    Martín Ramírez

  7. Biodesulfurization of landfill biogas by a pilot-scale bioscrubber: Operational limits and microbial analysis.

    Article • Environmental Research, April 2024, Elsevier

    Martín Ramírez

  8. Biofiltration of gaseous mixtures of dimethyl sulfide, dimethyl disulfide and dimethyl trisulfide: Effect of operational conditions and microbial analysis

    Article • SSRN Electronic Journal, January 2024, Elsevier

    Martín Ramírez

  9. Enhancing the Biodegradation of Hydrophobic Volatile Organic Compounds: A Study on Microbial Consortia Adaptation and the Role of Surfactants

    Article • SSRN Electronic Journal, January 2024, Elsevier

    Martín Ramírez

  10. Influence of Aromatic Compounds on Siloxane Biodegradation and Microbial Communities in Biofilters

    Article • SSRN Electronic Journal, January 2024, Elsevier

    Martín Ramírez

  11. Effect of surfactant addition on the biofiltration of siloxane-contaminated gas streams

    Article • Journal of Cleaner Production, January 2024, Elsevier

    Martín Ramírez

  12. Sustainable Recovery of Platinum Group Metals from Spent Automotive Three-Way Catalysts through a Biogenic Thiosulfate-Copper-Ammonia System

    Article • Molecules, December 2023, MDPI AG

    Martín Ramírez

  13. Bioleaching of the α-alumina layer of spent three-way catalysts as a pretreatment for the recovery of platinum group metals

    Article • Journal of Environmental Management, November 2023, Elsevier

    Martín Ramírez

  14. Recent advances in biological technologies for anoxic biogas desulfurization

    Article • Chemosphere, April 2023, Elsevier

    Martín Ramírez

  15. Methane concentration and bacterial communities’ dynamics during the anoxic desulfurization of landfill biogas under diverse nitrate sources and hydraulic residence times

    Article • Journal of Environmental Chemical Engineering, April 2023, Elsevier

    Martín Ramírez

  16. Application of a Microalgal Peptide-Enriched Extract as Media Component in E. coli Culture

    Article • ACS Sustainable Chemistry & Engineering, February 2023, American Chemical Society (ACS)

    Martín Ramírez

  17. Implementation of a Pilot-Scale Biotrickling Filtration Process for Biogas Desulfurization under Anoxic Conditions Using Agricultural Digestate as Trickling Liquid

    Article • Bioengineering, January 2023, MDPI AG

    Martín Ramírez

  18. Optimization of biogenic sulfur flocculation from an anoxic desulfurization bioreactor using response surface methodology

    Article • Fuel, September 2022, Elsevier

    Martín Ramírez

  19. Characterization of Bacterial and Archaeal Communities by DGGE and Next Generation Sequencing (NGS) of Nitrification Bioreactors Using Two Different Intermediate Landfill Leachates as Ammonium Substrate

    Article • Waste and Biomass Valorization, April 2022, Springer Science + Business Media

    Martín Ramírez

  20. Development and validation of a sampling and analysis method to determine biogenic sulfur in a desulfurization bioreactor by gas chromatography coupled with a pulsed flame photometric detector (GC-PFPD)

    Article • Journal of Hazardous Materials, February 2022, Elsevier

    Martín Ramírez

  21. Integration of a nitrification bioreactor and an anoxic biotrickling filter for simultaneous ammonium-rich water treatment and biogas desulfurization

    Article • Chemosphere, December 2021, Elsevier

    Martín Ramírez

  22. Impact of an anoxic desulfurization process on methane content of the purified biogas

    Article • Fuel, November 2021, Elsevier

    Martín Ramírez

  23. Influence of Leachate and Nitrifying Bacteria on Photosynthetic Biogas Upgrading in a Two-Stage System

    Article • Processes, August 2021, MDPI AG

    Martín Ramírez

  24. CFD-single particle modeling and simulation of the removal of H2S in a packed-bed bioreactor

    Article • Journal of Environmental Chemical Engineering, August 2021, Elsevier

    Martín Ramírez

  25. Effect of two different intermediate landfill leachates on the ammonium oxidation rate of non-adapted and adapted nitrifying biomass

    Article • Journal of Environmental Management, March 2021, Elsevier

    Martín Ramírez

  26. Anoxic biogas biodesulfurization promoting elemental sulfur production in a Continuous Stirred Tank Bioreactor

    Article • Journal of Hazardous Materials, January 2021, Elsevier

    Martín Ramírez

  27. Simultaneous removal of ammonium from landfill leachate and hydrogen sulfide from biogas using a novel two-stage oxic-anoxic system

    Article • The Science of The Total Environment, January 2021, Elsevier

    Martín Ramírez

  28. Effect of hydrophobic fumed silica addition on a biofilter for pentane removal using SIFT-MS

    Article • Chemosphere, September 2020, Elsevier

    Martín Ramírez

  29. Versatile method to obtain protein- and/or amino acid-enriched extracts from fresh biomass of recalcitrant microalgae without mechanical pretreatment

    Article • Algal Research, September 2020, Elsevier

    Martín Ramírez

  30. Hydrogen Sulfide Removal from Biogas and Sulfur Production by Autotrophic Denitrification in a Gas-Lift Bioreactor

    Article • ACS Sustainable Chemistry & Engineering, June 2020, American Chemical Society (ACS)

    Martín Ramírez

  31. Advances in Biogas Desulfurization

    Article • May 2020, MDPI AG

    Martín Ramírez

  32. Nickel recycling through bioleaching of a Ni/Al2O3 commercial catalyst

    Article • Hydrometallurgy, May 2020, Elsevier

    Martín Ramírez

  33. Characterization of eubacterial communities by Denaturing Gradient Gel Electrophoresis (DGGE) and Next Generation Sequencing (NGS) in a desulfurization biotrickling filter using progressive changes of nitrate and nitrite as final electron acceptors

    Article • New Biotechnology, April 2020, Elsevier

    Martín Ramírez

  34. Special Issue “Advances in Biogas Desulfurization”

    Article • ChemEngineering, March 2020, MDPI AG

    Martín Ramírez

  35. Kinetic characterization and modeling of a microalgae consortium isolated from landfill leachate under a high CO2 concentration in a bubble column photobioreactor

    Article • Electronic Journal of Biotechnology, March 2020, Elsevier

    Martín Ramírez

  36. Immobilization of Cells on Polyurethane Foam

    Article • January 2020, Springer Science + Business Media

    Martín Ramírez

  37. Life cycle assessment of biofiltration

    Article • January 2020, Elsevier

    Martín Ramírez

  38. Application of Response Surface Methodology for H2S Removal from Biogas by a Pilot Anoxic Biotrickling Filter

    Article • ChemEngineering, July 2019, MDPI AG

    Martín Ramírez

  39. Feedback and Feedforward Control of a Biotrickling Filter for H2S Desulfurization with Nitrite as Electron Acceptor

    Article • Applied Sciences, June 2019, MDPI AG

    Martín Ramírez

  40. Influence of trickling liquid velocity, low molar ratio of nitrogen/sulfur and gas-liquid flow pattern in anoxic biotrickling filters for biogas desulfurization

    Article • Biochemical Engineering Journal, May 2019, Elsevier

    Martín Ramírez

  41. Main Variables Affecting a Chemical-Enzymatic Method to Obtain Protein and Amino Acids from Resistant Microalgae

    Article • Journal of Chemistry, April 2019, Hindawi Publishing Corporation

    Martín Ramírez, José Antonio Callejo-López

  42. Biofilters

    Article • January 2019, Elsevier

    Martín Ramírez

  43. Progressive change from nitrate to nitrite as the electron acceptor for the oxidation of H2S under feedback control in an anoxic biotrickling filter

    Article • Biochemical Engineering Journal, November 2018, Elsevier

    Martín Ramírez

  44. Simultaneous Culture and Biomachining of Copper in MAC Medium: A Comparison between Acidithiobacillus ferrooxidans and Sulfobacillus thermosulfidooxidans

    Article • ACS Sustainable Chemistry & Engineering, October 2018, American Chemical Society (ACS)

    Martín Ramírez

  45. A comparative study of eubacterial communities by PCR-DGGE fingerprints in anoxic and aerobic biotrickling filters used for biogas desulfurization

    Article • Bioprocess and Biosystems Engineering, April 2018, Springer Science + Business Media

    Martín Ramírez

  46. Life cycle assessment of different physical-chemical and biological technologies for biogas desulfurization in sewage treatment plants

    Article • Journal of Cleaner Production, April 2018, Elsevier

    Martín Ramírez

  47. Feedforward control application in aerobic and anoxic biotrickling filters for H2 S removal from biogas

    Article • Journal of Chemical Technology & Biotechnology, March 2018, Wiley

    Dr Juan Antonio Baeza, Martín Ramírez

  48. PID control system for biogas desulfurization under anoxic conditions

    Article • Journal of Chemical Technology & Biotechnology, March 2017, Wiley

    Martín Ramírez

  49. New advances in copper biomachining by iron-oxidizing bacteria

    Article • Corrosion Science, November 2016, Elsevier

    Martín Ramírez

  50. Effect of gas-liquid flow pattern and microbial diversity analysis of a pilot-scale biotrickling filter for anoxic biogas desulfurization

    Article • Chemosphere, August 2016, Elsevier

    Martín Ramírez

  51. Pilot scale fed-batch fermentation in a closed loop mixed reactor for the biotransformation of crude glycerol into ethanol and hydrogen by Escherichia coli MG1655

    Article • Biomass and Bioenergy, August 2016, Elsevier

    Martín Ramírez

  52. Operational conditions for start-up and nitrate-feeding in an anoxic biotrickling filtration process at pilot scale

    Article • Chemical Engineering Journal, February 2016, Elsevier

    Martín Ramírez

  53. Modeling and control strategies for anoxic biotrickling filtration in biogas purification

    Article • Journal of Chemical Technology & Biotechnology, July 2015, Wiley

    Martín Ramírez

  54. Pilot-scale biotrickling filter for hydrogen sulfide removal from biogas under continuous discharge flow

    Article • New Biotechnology, July 2014, Elsevier

    Martín Ramírez

  55. Hydrogen sulphide removal from air by biotrickling filter using open-pore polyurethane foam as a carrier

    Article • Biochemical Engineering Journal, March 2014, Elsevier

    Martín Ramírez

  56. Biogas biodesulfurization in an anoxic biotrickling filter packed with open-pore polyurethane foam

    Article • Journal of Hazardous Materials, January 2014, Elsevier

    Martín Ramírez

  57. Hydrogen sulphide removal from biogas by an anoxic biotrickling filter packed with Pall rings

    Article • Chemical Engineering Journal, June 2013, Elsevier

    Martín Ramírez

  58. Simultaneous methylmercaptan and hydrogen sulfide removal in the desulfurization of biogas in aerobic and anoxic biotrickling filters

    Article • Chemical Engineering Journal, August 2012, Elsevier

    Martín Ramírez

  59. Strategies for pH control in a biofilter packed with sugarcane bagasse for hydrogen sulfide removal

    Article • Journal of Environmental Science and Health Part A, June 2012, Taylor & Francis

    Martín Ramírez

  60. Effect of VOCs and methane in the biological oxidation of the ferrous ion by an acidophilic consortium

    Article • Environmental Technology, March 2012, Taylor & Francis

    Martín Ramírez

  61. Optimization of culture media for ethanol production from glycerol by Escherichia coli

    Article • Biomass and Bioenergy, February 2012, Elsevier

    Martín Ramírez

  62. Biofiltration of reduced sulphur compounds and community analysis of sulphur-oxidizing bacteria

    Article • Bioresource Technology, March 2011, Elsevier

    Martín Ramírez

  63. Biofilters

    Article • January 2011, Elsevier

    Martín Ramírez

  64. Biotrickling filters for hydrogen sulphide, methyl mercaptan, dimethyl sulphide and dimethyl disulphide removal by Thiobacillus thioparus and Acidithiobacillus thiooxidans

    Article • May 2010, Taylor & Francis

    Martín Ramírez

  65. Dimethyl sulphide degradation using immobilizedThiobacillus thioparusin a biotrickling filter

    Article • Environmental Technology, November 2009, Taylor & Francis

    Martín Ramírez

  66. Removal of hydrogen sulfide by immobilized Thiobacillus thioparus in a biotrickling filter packed with polyurethane foam

    Article • Bioresource Technology, November 2009, Elsevier

    Martín Ramírez

  67. Hydrogen sulfide removal from air by Acidithiobacillus thiooxidans in a trickle bed reactor

    Article • Folia Microbiologica, September 2009, Springer Science + Business Media

    Martín Ramírez

  68. Removal of hydrogen sulfide and ammonia from gas mixtures by co-immobilized cells using a new configuration of two biotrickling filters

    Article • Water Science & Technology Water Supply, April 2009, IWA Publishing

    Martín Ramírez

  69. Removal of ammonia by immobilized Nitrosomonas europaea in a biotrickling filter packed with polyurethane foam

    Article • Chemosphere, March 2009, Elsevier

    Martín Ramírez

  70. Immobilization of Cells on Polyurethane Foam

    Article • January 2006, Springer Science + Business Media

    Martín Ramírez