Optimization of Oxygen Transfer through Membrane Diffusers for Biological Sweetening of Biogas | Zendy

Rodriguez G. | Zendy; Dorado A. D. | Zendy; Bonsfills A. | Zendy; Gabriel D. | Zendy; Gamisans X. | Zendy

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Optimization of Oxygen Transfer through Membrane Diffusers for Biological Sweetening of Biogas

Author(s) -

Rodriguez G.,

Dorado A. D.,

Bonsfills A.,

Gabriel D.,

Gamisans X.

Publication year - 2013

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.201200603

Subject(s) - diffuser (optics) , oxygen , membrane , hydrogen sulfide , chemistry , biogas , chemical engineering , pollutant , waste management , organic chemistry , biochemistry , light source , physics , sulfur , optics , engineering

Biological techniques for the removal of gaseous pollutants such as hydrogen sulfide (H 2 S) have proved to be effective, environmentally friendly, and economically viable. However, when high concentrations of H 2 S 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 H 2 S 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.

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