2026-04-28T19:07:44Zhttps://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/545282022-08-22T19:00:27Zcom_10324_1173com_10324_931com_10324_894com_10324_35294com_10324_952col_10324_1371col_10324_35295
UVaDOC
author
Pascual, Celia
author
Cantera, Sara
author
Muñoz Torre, Raúl
author
Lebrero Fernández, Raquel
2022-08-22T10:55:53Z
2022-08-22T10:55:53Z
2022
Journal of Cleaner Production, 2022, vol. 371, 133427
0959-6526
https://uvadoc.uva.es/handle/10324/54528
10.1016/j.jclepro.2022.133427
The present work investigated for the first time the feasibility of the anoxic biodegradation of siloxanes (hexamethyldisiloxane, L2; octamethyltrisiloxane, L3; octamethylcyclotetrasiloxane, D4; and decamethylcyclopentasiloxane, D5) in a two-phase partitioning biotrickling filter (TP-BTF) using silicone oil as the organic phase. The influence of the silicone oil ratio and the inlet concentration of siloxanes were also evaluated. The highest removals were obtained for D4 (41–54%) and D5 (48–73%). Lower removals were recorded for L2 (12–15%) and L3 (22–38%) as a consequence of their higher volatility. The best performance was obtained at a silicone oil content of 45%. Doubling the inlet load enhanced the elimination capacity of the TP-BTF by 50%, although the removal efficiencies did not vary. A specialized bacteria consortium dominated by the genera Parvibaculum, Zarvaz inia, KCM-B-11, Arenimonas, Moraxellaceae and Luteimonas was related to anoxic siloxanes degradation.
eng
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Innovative polishing stage in biogas upgrading: Siloxanes abatement in an anoxic two-phase partitioning biotrickling filter
info:eu-repo/semantics/article
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URL
https://uvadoc.uva.es/bitstream/10324/54528/1/Innovative-polishing-stage-biogas.pdf
File
MD5
7333886bc1cbc9b61b227ad09d81defd
4248082
application/pdf
Innovative-polishing-stage-biogas.pdf