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- Title
Co-Treatment with Single and Ternary Mixture Gas of Dimethyl Sulfide, Propanethiol, and Toluene by a Macrokinetic Analysis in a Biotrickling Filter Seeded with Alcaligenes sp. SY1 and Pseudomonas Putida S1.
- Authors
Yiming Sun; Xiaowei Lin; Shaodong Zhu; Jianmeng Chen; Yi He; Yao Shi; Hua Liu; Lei Qin
- Abstract
The biotrickling filter (BTF) treatment is an effective way of dealing with air pollution caused by volatile organic compounds (VOCs). However, this approach is typically used for single VOCs treatment but not for the mixtures of VOC and volatile organic sulfur compounds (VOSCs), even if they are often encountered in industrial applications. Therefore, we investigated the performance of BTF for single and ternary mixture gas of dimethyl sulfide (DMS), propanethiol, and toluene, respectively. Results showed that the co-treatment enhanced the removal efficiency of toluene, but not of dimethyl sulfide or propanethiol. Maximum removal rates (rmax) of DMS, propanethiol and toluene were calculated to be 256.41 g·m-3·h-1, 204.08 g·m-3·h-1 and 90.91 g·m-3·h-1, respectively. For a gas mixture of these three constituents, rmax was measured to be 114.94 g·m-3·h-1, 104.17 g·m-3·h-1 and 99.01 g·m-3·h-1, separately. Illumina MiSeq sequencing analysis further indicated that Proteobacteria and Bacteroidetes were the major bacterial groups in BTF packing materials. A shift of bacterial community structure was observed during the biodegradation process.
- Subjects
DIMETHYL sulfide; PSEUDOMONAS putida; GAS mixtures; TOLUENE; VOLATILE organic compounds; AIR pollution
- Publication
Fermentation (Basel), 2021, Vol 7, Issue 4, p1
- ISSN
2311-5637
- Publication type
Article
- DOI
10.3390/fermentation7040309