Advanced search
1 file | 1.16 MB

The use of a silicone-based biomembrane for microaerobic H2S removal from biogas

Author
Organization
Abstract
A lab-scale bio-membrane unit was developed to improve H2S removal from biogas through microaeration. Biomembrane separated biogas from air and consisted of a silicone tube covered by microaerobic biofilm. This setup allowed efficient H2S removal while minimizing biogas contamination with oxygen and nitrogen. The transport and removal of H2S, N-2, O-2, CH4 and CO2 through bare membrane, wet membrane and biomembrane was investigated. Membrane allowed the transfer of gases through it as long as there was enough driving force to induce it. H2S concentration in biogas decreased much faster with the biomembrane. The permeation of gases through the membranes decreased in order: H2S > CO2 > CH4 > O-2 > N-2. H2S removal efficiency of more than 99% was observed during the continuous experiment. Light yellow deposits on the membrane indicated the possible elemental sulfur formation due to biological oxidation of H2S. Thiobacillus thioparus was detected by FISH and PCR-DGGE.
Keywords
Biomembrane, Hydrogen sulfide removal, Microaeration, Oxygen, Sulfur oxidizing bacteria, HYDROGEN-SULFIDE REMOVAL, DESULFURIZATION, MICROAERATION, PERMEABILITY, DIFFUSIVITY, EFFICIENCY, DIGESTION, MEMBRANES, REACTORS, NITROGEN

Downloads

  • (...).pdf
    • full text
    • |
    • UGent only
    • |
    • PDF
    • |
    • 1.16 MB

Citation

Please use this url to cite or link to this publication:

Chicago
Pokorna-Krayzelova, Lucie, Jan Bartacek, Dana Vejmelkova, Ana A Alvarez, Petra Slukova, Jindrich Prochazka, Eveline Volcke, and Pavel Jenicek. 2017. “The Use of a Silicone-based Biomembrane for Microaerobic H2S Removal from Biogas.” Separation and Purification Technology 189: 145–152.
APA
Pokorna-Krayzelova, L., Bartacek, J., Vejmelkova, D., Alvarez, A. A., Slukova, P., Prochazka, J., Volcke, E., et al. (2017). The use of a silicone-based biomembrane for microaerobic H2S removal from biogas. SEPARATION AND PURIFICATION TECHNOLOGY, 189, 145–152.
Vancouver
1.
Pokorna-Krayzelova L, Bartacek J, Vejmelkova D, Alvarez AA, Slukova P, Prochazka J, et al. The use of a silicone-based biomembrane for microaerobic H2S removal from biogas. SEPARATION AND PURIFICATION TECHNOLOGY. 2017;189:145–52.
MLA
Pokorna-Krayzelova, Lucie, Jan Bartacek, Dana Vejmelkova, et al. “The Use of a Silicone-based Biomembrane for Microaerobic H2S Removal from Biogas.” SEPARATION AND PURIFICATION TECHNOLOGY 189 (2017): 145–152. Print.
@article{8560794,
  abstract     = {A lab-scale bio-membrane unit was developed to improve H2S removal from biogas through microaeration. Biomembrane separated biogas from air and consisted of a silicone tube covered by microaerobic biofilm. This setup allowed efficient H2S removal while minimizing biogas contamination with oxygen and nitrogen. The transport and removal of H2S, N-2, O-2, CH4 and CO2 through bare membrane, wet membrane and biomembrane was investigated. Membrane allowed the transfer of gases through it as long as there was enough driving force to induce it. H2S concentration in biogas decreased much faster with the biomembrane. The permeation of gases through the membranes decreased in order: H2S {\textrangle} CO2 {\textrangle} CH4 {\textrangle} O-2 {\textrangle} N-2. H2S removal efficiency of more than 99\% was observed during the continuous experiment. Light yellow deposits on the membrane indicated the possible elemental sulfur formation due to biological oxidation of H2S. Thiobacillus thioparus was detected by FISH and PCR-DGGE.},
  author       = {Pokorna-Krayzelova, Lucie and Bartacek, Jan and Vejmelkova, Dana and Alvarez, Ana A and Slukova, Petra and Prochazka, Jindrich and Volcke, Eveline and Jenicek, Pavel},
  issn         = {1383-5866},
  journal      = {SEPARATION AND PURIFICATION TECHNOLOGY},
  language     = {eng},
  pages        = {145--152},
  title        = {The use of a silicone-based biomembrane for microaerobic H2S removal from biogas},
  url          = {http://dx.doi.org/10.1016/j.seppur.2017.07.077},
  volume       = {189},
  year         = {2017},
}

Altmetric
View in Altmetric
Web of Science
Times cited: