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Low Pressure Membrane Filtration (LPMF) for Sustainable Water Supply in Low-Income Countries: A Baseline Study 低收入国家可持续供水的低压膜过滤(LPMF):一项基线研究
发布日期: 2009-11-01
本powerpoint演示首先简要概述了低收入国家(LIC)的饮用水、分散式水处理技术以及与该技术相关的问题。小型低压膜的研制 简要介绍了过滤(LPMF)。介绍了低收入国家可持续供水基线研究的研究目标,包括: 评估具有代表性的LPMF系统 尊重其在生产安全产品方面的功效和生产力 饮用水; 研究膜污染对环境的影响 LPMF系统的可持续性;和 根据实验结果 评估,确定与 拟采用的类似系统的技术可持续性 给低收入国家。提供了短期和长期实验的操作协议,以及预处理、污垢预测和系统清洗的设计观点。陈述结论如下: 一个市售的LPMF系统在2005年进行了评估 关于LIC的绩效和可持续性; 人们发现这个系统能够产生 输出端的清洁无微生物饮用水 适合社区使用;和 为了适应低收入国家,重新设计 建议对四个主要项目使用该系统 包括 污垢控制的预处理,实施实验室规模评估, 简化系统清洗方案,以及 其他污染物处理的整合 移动包括表格、数字。
This powerpoint presentation begins by providing a brief overview of drinking water in low-income countries (LICs), decentralized water treatment technologies, and issues associated with this technology. The development of small-scale low pressure membrane filtration (LPMF) is briefly presented. Research objectives of a baseline study for sustainable water supply in low-income countries are presented and include: assess a representative type of LPMF system with respect to its efficacy and productivity in producing safe drinking water; investigate the impact of membrane fouling on the sustainability of the LPMF system; and, based on the findings obtained in experimental evaluations, identify key issues associated with the technological sustainability of similar systems to be applied to low-income countries. Operation protocols for short-term and long-term experiments are provided, along with design perspectives for pretreatment, fouling prediction, and system cleaning. Presentation conclusions indicate the following: a commercially-available LPMF system was assessed in regard to its performance and sustainability for LICs; it was found that this system was capable of producing clear and microbial-free drinking water at outputs suitable for community use; and, in order to adapt to low-income countries, redesign of the system was recommended for four major aspects including pretreatment for fouling control, implementation of bench-scale assessment, simplification of system cleaning scheme, and integration of other treatment for additional contaminant removal. Includes tables, figures.
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发布单位或类别: 美国-美国给水工程协会
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