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

Fermentation

Hua Liu¹  Jianmeng Chen²  Lei Qin²  Yao Shi³  Yiming Sun³  Yi He³  Xiaowei Lin³  Shaodong Zhu⁴ 

[1] China Aerospace Kaitian Environmental Technology Co., Ltd., Changsha 410100, China;College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, China;College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China;Shaoxing Environmental Monitoring Central Station, Shaoxing 312000, China;

关键词: biotrickling filter;    decomposition;    dimethyl sulfide;    pollution;    propanethiol;    toluene;   

DOI  :  10.3390/fermentation7040309

来源: DOAJ

【 摘 要 】

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 (r_max) 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, r_max 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.

【 授权许可】

Unknown