Paper Title :A Novel and Cost-Effective Removal of Siloxanes from Wastewater Digester Biogas Using Regenerable Polymeric Adsorbents

Author :Hyounduk Jung, Eunseuk Park, Minsu Kim, Jongsoo Jurng

Article Citation :Hyounduk Jung ,Eunseuk Park ,Minsu Kim ,Jongsoo Jurng , (2017 ) " A Novel and Cost-Effective Removal of Siloxanes from Wastewater Digester Biogas Using Regenerable Polymeric Adsorbents " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 34-37, Volume-5, Issue-1, Spl. Iss-3

Abstract : biogas, a fuel used to generate electricity, contains siloxanes that can damage combustion engines, leading to expensive repairs and service interruptions. Thermal swing adsorption (regeneration at 250 °c) using silica gel is an effective method to remove siloxane from biogas. In the present study, a novel polyacrylic acid (paa)-based polymer adsorbent was studied as a biogas siloxane adsorbent exposed to adsorption/regeneration cycles. The exhausted polymer adsorbent was regenerated by washing with heated air at 60–80 °c, which afforded a similar capacity for siloxane (d5) adsorption. At room temperature (25 °c), the siloxane adsorption capacity of this polymer was ~80% of that of silica gel. In addition, the thermal desorption of siloxane (d5) from the polymer was more than 95% at a low regeneration temperature of 80 °c, where no siloxane regeneration was observed using conventional silica gel. Index Terms- Biogas, Siloxane, Adsorbent, Polymer

Type : Research paper

Published : Volume-5, Issue-1, Spl. Iss-3

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