Performance and extracellular polymers substance analysis of a pilot scale anaerobic membrane bioreactor for treating tetrahydrofuran pharmaceutical wastewater at different HRTs
Performance and extracellular polymers substance analysis of a pilot scale anaerobic membrane bioreactor for treating tetrahydrofuran pharmaceutical wastewater at different HRTs
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不同水力停留时间处理四氢呋喃制药废水的中试厌氧膜生物反应器性能及胞外聚合物分析
DOI：
10.1016/j.jhazmat.2017.08.028
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发表时间：
2018-01-15
影响因子：
13.6
通讯作者：
Zhang, Ying
中科院分区：
文献类型：
--
作者：
Hu, Dongxue;Li, Xue;Zhang, Ying
采用厌氧膜生物反应器（AnMBR）在不同水力停留时间（HRT）条件下处理四氢呋喃制药废水。在80 d的运行时间内，HRT> 24 h时，COD和THF的去除率分别达到95.3%和98.5%。膜表面附着污泥中的混合液悬浮固体（MLSS）和混合液挥发性悬浮固体（MLVSS）在前28 d（48 h ~ 36 h）呈上升趋势，随后又呈下降趋势。蛋白质是胞外聚合物（EPS）的主要成分，与HRT的变化无关。研究表明，在较低的水力停留时间下，AnMBR系统可以有效地处理THF制药废水。(C)2017爱思唯尔B. V.保留所有权利。
Tetrahydrofuran (THF) is one of the most representative characteristics of pollutant in pharmaceutical industry usually has high biological toxicity, making it difficult to treat. In this study, a pilot scale anaerobic membrane bioreactor (AnMBR) was employed to treat THF pharmaceutical wastewater under different hydraulic retention time (HRT). During the 80-day operating time, chemical oxygen demand (COD) and THF removal efficiencies reached 95.3% and 98.5% when HRT was above 24 h. Mixed liquid suspended solids (MLSS) and mixed liquor volatile suspended solids (MLVSS) in the attached sludge on membrane surface showed a trend of rising on first 28 days (48h-36 h) and then decreasing. Protein is the major component of extracellular polymeric substances (EPS) independent of changes in HRT. The study concludes that THF pharmaceutical wastewater can be effectively remedied in the AnMBR system at low HRT. (C) 2017 Elsevier B.V. All rights reserved.