期刊
BIOPROCESS AND BIOSYSTEMS ENGINEERING
卷 38, 期 10, 页码 1835-1844出版社
SPRINGER
DOI: 10.1007/s00449-015-1424-5
关键词
Ion sequencing; Linear alkylbenzene sulfonate (LAS); Carbon source; Co-metabolism; Dechloromonas; Curvibacter
资金
- Laboratorio de Processos Biologicos-LPB/EESC/USP
- Sao Paulo Research Foundation (FAPESP)
- Coordination for the Improvement of Higher Level Education Personnel (CAPES)
The efficiency of linear alkylbenzene sulfonate (LAS) removal from laundry wastewater and the related microbial community was investigated in an anaerobic fluidized bed reactor (AFBR). The AFBR was operated in three stages, in addition to the biomass adaptation stage without LAS (stage I). The stages were differentiated by their supplementary co-substrates: stage II had sucrose plus ethanol, stage III had only ethanol, and stage IV had no co-substrate. The replacement of sucrose plus ethanol with ethanol only for the substrate composition favored the efficiency of LAS removal, which remained high after the co-substrate was removed (stage II: 52 %; stage III: 73 %; stage IV: 77 %). A transition in the microbial community from Comamonadaceae to Rhodocyclaceae in conjunction with the co-substrate variation was observed using ion sequencing analysis. The microbial community that developed in response to an ethanol-only co-substrate improved LAS degradation more than the community that developed in response to a mixture of sucrose and ethanol, suggesting that ethanol is a better option for enriching an LAS-degrading microbial community.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据