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Gravity-driven membrane filtration for water and wastewater treatment: A review

机译：重力驱动的膜过滤技术在水和废水处理中的应用

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摘要

Gravity-driven membrane (GDM) filtration has been investigated for almost 10 years. The technology is characterized not only by relatively lower transmembrane pressures which can be achieved by gravity (extremely low energy consumption), but also by the phenomenon of flux stabilization: A biofilm is allowed to form on the membrane and a stabilization of flux occurs which is related to biological processes within the biofilm layer on the membrane. This enables stable operation during a year or longer without any cleaning or flushing. Initially, the technology was developed mainly for household drinking water treatment, but in the meantime, the research and application has expanded to the treatment of greywater, rainwater, and wastewater as well as the pretreatment of seawater for desalination. This review covers the field from the rather fundamental research on biofilm morphology and microbial community analysis to the impact of feedwater composition, process parameters and organic removal performance. Not only household applications, but also for community-scale treatment and full-scale applications are discussed. In addition, the application potential is highlighted in comparison to conventional ultrafiltration. Finally, an overall assessment is illustrated and the research and development needs are identified. (C) 2018 Elsevier Ltd. All rights reserved.
机译：重力驱动膜（GDM）过滤已进行了近10年的研究。该技术的特点不仅在于可以通过重力实现较低的跨膜压力（极低的能耗），而且还具有通量稳定的现象：允许在膜上形成生物膜，并且可以稳定通量。与膜上生物膜层内的生物过程有关。这样可以在一年或更长时间内稳定运行，而无需任何清洁或冲洗。最初，该技术主要用于家庭饮用水处理，但与此同时，其研究和应用已扩展到中水，雨水和废水的处理以及海水淡化的预处理。这篇综述涵盖了从生物膜形态学和微生物群落分析的基础研究到给水成分，工艺参数和有机去除性能的影响等领域。不仅讨论了家庭应用，还讨论了社区规模的处理和全面应用。另外，与常规超滤相比，其应用潜力得到了强调。最后，说明了总体评估并确定了研发需求。 （C）2018 Elsevier Ltd.保留所有权利。

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  • 来源
    《Water Research》 |2019年第1期|553-565|共13页
  • 作者

    Pronk Wouter; Ding An; Morgenroth Eberhard; Derlon Nicolas; Desmond Peter; Burkhardt Michael; Wu Bing; Fane Anthony G.;

  • 作者单位

    MMS AG Membrane Syst, Grossherweg 11, CH-8902 Urdorf, Switzerland;

    Harbin Inst Technol, SKLUWRE, 73 Huanghe Rd, Harbin 150090, Heilongjiang, Peoples R China;

    Univ Appl Sci Rapperswil, Inst Environm & Proc Engn, Oberseestr 10, CH-8640 Rapperswil, Switzerland;

    Swiss Fed Inst Technol, Inst Environm Technol, CH-8093 Zurich, Switzerland;

    Eawag, Swiss Fed Inst Aquat Sci & Technol, Uberlandstr 133, CH-8600 Dubendorf, Switzerland;

    Livinguard AG, Bahnhofstr 12, CH-6300 Zug, Switzerland;

    Nanyang Technol Univ, Nanyang Environm & Water Res Inst, Singapore Membrane Technol Ctr, 1 Cleantech Loop,CleanTech One 06-08, Singapore 637141, Singapore;

    Univ Iceland, Fac Civil & Environm Engn, Hjardarhagi 2-6, IS-107 Reykjavik, Iceland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Gravity driven ultrafiltration; Biofilm; Flux stabilization; NOM removal; Cake layer; Membrane fouling;

    机译：重力驱动超滤;生物膜;通量稳定;NOM去除;蛋糕层;膜污染;

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