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题名: Efficient regulation of elemental sulfur recovery through optimizing working height of upflow anaerobic sludge blanket reactor during denitrifying sulfide removal process
作者: Huang, Cong; Li, Zhi-ling; Chen, Fan; Liu, Qian; Zhao, You-kang; Gao, Ling-fang; Chen, Chuan; Zhou, Ji-zhong; Wang, Ai-jie
刊名: BIORESOURCE TECHNOLOGY
出版日期: 2016-01
卷号: 200, 页码:1019-1023
关键词: Denitrifying sulfide removal (DSR) process ; S-0 recovery rate ; Upflow anaerobic sludge blanket (UASB) reactor ; Effective reactor working height/volume ; Bacterial community
DOI: 10.1016/j.biortech.2015.09.109
部门归属: 中国科学院环境生物技术重点实验室
英文摘要: In this study, two lab-scale UASB reactors were established to testify S-0 recovery efficiency, and one of which (M-UASB) was improved from the previous T-UASB by shortening reactor height once S-2 over oxidation was observed. After the height was shortened from 60 to 30 cm, S-0 recovery rate was improved from 7.4% to 78.8%, and while, complete removal of acetate, nitrate and S-2 was simultaneously maintained. Meanwhile, bacterial community distribution was homogenous throughout the reactor, with denitrifying sulfide oxidization bacteria predominant, such as Thauera and Azoarcus spp., indicating the optimized condition for S-0 recovery. The effective control of working height/volume in reactors plays important roles for the efficient regulation of S-0 recovery during DSR process. (C) 2015 Elsevier Ltd. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/36121
Appears in Collections:中国科学院环境生物技术重点实验室_期刊论文

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