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首页> 外文期刊>The Science of the Total Environment >An anaerobic membrane bioreactor - membrane distillation hybrid system for energy recovery and water reuse: Removal performance of organic carbon, nutrients, and trace organic contaminants
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An anaerobic membrane bioreactor - membrane distillation hybrid system for energy recovery and water reuse: Removal performance of organic carbon, nutrients, and trace organic contaminants

机译：用于能量回收和水再利用的厌氧膜生物反应器-膜蒸馏混合系统：去除有机碳，营养物和微量有机污染物的性能

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摘要

In this study, a direct contact membrane distillation (MD) unit was integrated with an anaerobic membrane bioreactor (AnMBR) to simultaneously recover energy and produce high quality water for reuse from wastewater. Results show that AnMBR could produce 0.3–0.5L/g CODaddedbiogas with a stable methane content of approximately 65%. By integrating MD with AnMBR, bulk organic matter and phosphate were almost completely removed. The removal of the 26 selected trace organic contaminants by AnMBR was compound specific, but the MD process could complement AnMBR removal, leading to an overall efficiency from 76% to complete removal by the integrated system. The results also show that, due to complete retention, organic matter (such as humic-like and protein-like substances) and inorganic salts accumulated in the MD feed solution and therefore resulted in significant fouling of the MD unit. As a result, the water flux of the MD process decreased continuously. Nevertheless, membrane pore wetting was not observed throughout the operation.
机译：在这项研究中，直接接触式膜蒸馏（MD）装置与厌氧膜生物反应器（AnMBR）集成在一起，以同时回收能源并生产高质量的水，以从废水中重复使用。结果表明，AnMBR可以产生0.3–0.5L / g的COD添加沼气，甲烷的稳定含量约为65％。通过将MD与AnMBR集成，几乎完全去除了大部分有机物和磷酸盐。通过AnMBR去除26种选定的痕量有机污染物是特定于化合物的，但是MD工艺可以补充AnMBR去除，从而使整体效率从76％到集成系统完全去除。结果还表明，由于完全保留，有机物质（例如腐殖质和蛋白质样物质）和无机盐积聚在MD进料溶液中，因此导致MD单元明显结垢。结果，MD工艺的水通量连续降低。然而，在整个手术过程中均未观察到膜孔润湿。

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