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Removal of MIB/Geosmin Using Granular Activated Carbon with and without MIEX Pretreatment 颗粒活性炭去除MIB/geomin的研究
发布日期: 2008-11-01
本powerpoint演示首先简要介绍了MIEX溶解有机碳(DOC)工艺和位于南澳大利亚阿德莱德附近的普莱森特山水处理厂。介绍了MIEX的优点,以及常规和微滤中试装置。提供颗粒活性炭(GAC)评估,以及DOC和MIB/geosmin去除。关于污染物去除的陈述结论如下: MIEX似乎不会影响吸附剂的吸附能力 GAC用于去除初始吸附过程中的藻类代谢物 GAC模式; 活性炭过滤器中MIB/geosmin生物降解的影响 比MIEX预处理的影响更大; 预氯化对催化剂的性能有很大影响 带短EBCT的GAC滤波器; 预氯化可降低细菌数量 常规治疗后的数字(至少最初);和 增加GAC的接触时间可以弥补 生物降解。包括表格、数字。
This powerpoint presentation begins by providing a brief overview of the MIEX dissolved organic carbon (DOC) process, and the Mt. Pleasant Water Treatment Plant, located near Adelaide, South Australia. The benefits of MIEX are presented, along with both conventional and microfiltration pilot plants. Granular activated carbon (GAC) evaluation is provided, along with DOC and MIB/geosmin removal. Presentation conclusions on contaminant removal indicate the following: MIEX does not appear to affect adsorption capacity of GAC for removal of algal metabolites in initial adsorption mode of GAC; impact of biodegradation of MIB/geosmin in GAC filters is greater than the impact of MIEX pretreatment; prechlorination impacts strongly on performance of GAC filters with short EBCT; pre-chlorination results in lower bacterial numbers after conventional treatment (at least initially); and, increasing GAC contact time compensates for lack of biological degradation. 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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