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首页> 外文期刊>Journal of water reuse and desalination >The operational efficiency of a novel AnMBR treating antibiotic solvent wastewater in start-up stage
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The operational efficiency of a novel AnMBR treating antibiotic solvent wastewater in start-up stage

机译：新型AnMBR在启动阶段处理抗生素溶剂废水的运营效率

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The performance of a novel anaerobic membrane bioreactor (AnMBR) for treating antibiotic solvent wastewater was investigated in the start-up stage. The removal efficiencies of the four tested antibiotics were over 90%, mainly attributed to the biological process. Volatile fatty acid increased along with anaerobic sludge acclimation. pH (mean value 7.5) and a (mean value 0.12) remained stable. Mixed liquid suspended solids and mixed liquor volatile suspended solids increased along with the sludge acclimation as well. The protein and polysaccharide in suspended sludge decreased, while the protein/polysaccharide in exopolysaccharides increased. Microbial community analysis showed the abundance of Methanosarcina spp. fluctuated over time and was finally stable at 17%. The abundance of Methanosaeta spp. increased significantly. There are two kinds of hydrogen producing methane producing microorganisms (Methanobacteriales and Methanomicrobiales) in AnMBR. Methanobacteriales was the dominant methanogenus. These results indicate that an AnMBR can effectively treat antibiotic solvent wastewater in the start-up period.
机译：在启动阶段研究了新型厌氧膜生物反应器（AnMBR）处理抗生素溶剂废水的性能。四种测试抗生素的去除效率均超过90％，这主要归因于生物学过程。挥发性脂肪酸随着厌氧污泥的驯化而增加。 pH（平均值7.5）和a（平均值0.12）保持稳定。混合液体悬浮固体和混合液挥发性悬浮固体也随着污泥的驯化而增加。悬浮污泥中的蛋白质和多糖减少，而外多糖中的蛋白质/多糖增加。微生物群落分析表明，甲烷单孢菌属菌种丰富。随时间波动，最终稳定在17％。 Methanosaeta物种的丰富。明显增加。 AnMBR中有两种产氢甲烷产生微生物（Methanobacteriales和Methanomicrobiales）。甲烷菌是主要的产甲烷菌。这些结果表明，AnMBR可以在启动阶段有效处理抗生素溶剂废水。

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