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Optimization of oxygen transfer through membrane diffusers for biological sweetening of biogas
Rodriguez, Ginesta; Dorado Castaño, Antonio David; Bonsfills Pedrós, Anna; Gabriel Buguña, David; Gamisans Noguera, Javier
Universitat Politècnica de Catalunya. Departament d'Enginyeria Minera i Recursos Naturals; Universitat Politècnica de Catalunya. ERNMA - Enginyeria dels Recursos Naturals i Medi Ambient
Biological techniques for the removal of gaseous pollutants such as hydrogen sulfide (H2S) have proved to be effective, environmentally friendly, and economically viable. However, when high concentrations of H2S are treated, the process is severely restricted by the oxygen deficit in the liquid phase. The oxygen transfer efficiency provided by a membrane diffuser is evaluated under typical pressure and salinity conditions used for the biological treatment of H2S in biogas. The optimal operating parameters for enhanced oxygen transfer were determined. The addition of pure oxygen with a membrane diffuser to increase the oxygen transfer rate and the use of a nonaqueous phase to improve oxygen transfer in a bioscrubber system are also evaluated.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria química::Biotecnologia
Biofiltration, Biogas, Membrane diffuser, Nonaqueous phase, Oxygen transfer
Biogas
Biotechnology
Biogàs
Biotecnologia
info:eu-repo/semantics/submittedVersion
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