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Integrated anaerobic and algal bioreactors: A promising conceptual alternative approach for conventional sewage treatment
Bioresource Technology ( IF 11.4 ) Pub Date : 2021-10-13 , DOI: 10.1016/j.biortech.2021.126115
Jixiang Yang 1 , Jules B van Lier 2 , Jian Li 3 , Jinsong Guo 4 , Fang Fang 4
Affiliation  

Conventional sewage treatment applying activated sludge processes is energy-intensive and requires great financial input, hampering widespread implementation. The introduction of anaerobic membrane bioreactors (AnMBR) followed by an algal reactor growing species of commercial interest, may present an alternative, contributing to the envisaged resource recovery at sewage treatment plants. AnMBRs can be applied for organic matter removal with energy self-sufficiency, provided that effective membrane fouling management is applied. Haematococcus pluvialis, an algal species with commercial value, can be selected for ammonium and phosphate removal. Theoretical analysis showed that good pollutant removal, positive financial output, as well as a significant reduction in the amount of hazardous activated sludge can be achieved by applying the proposed process, showing interesting advantages over current sewage treatment processes. Microbial contamination to H. pluvialis is a challenge, and technologies for preventing the contamination during continuous sewage treatment need to be applied.



中文翻译:

综合厌氧和藻类生物反应器:传统污水处理的一种有前途的概念替代方法

采用活性污泥法的传统污水处理是能源密集型的,需要大量资金投入,阻碍了广泛实施。引入厌氧膜生物反应器 (AnMBR),然后在藻类反应器中种植具有商业价值的物种,可能会提供一种替代方案,有助于在污水处理厂实现预期的资源回收。AnMBRs 可用于能量自给自足的有机物去除,前提是应用了有效的膜污染管理。雨生红球藻可以选择具有商业价值的藻类来去除铵盐和磷酸盐。理论分析表明,通过应用所提出的工艺,可以实现良好的污染物去除、积极的财政产出以及显着减少有害活性污泥的数量,显示出优于当前污水处理工艺的有趣优势。微生物对雨生红球藻的污染是一个挑战,需要应用在连续污水处理过程中防止污染的技术。

更新日期:2021-10-21
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