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Removal of Organic CCL Contaminants from Drinking Waters by Membrane and GAC Processes 膜法和GAC法去除饮用水中有机CCL污染物
发布日期: 2003-11-02
膜和颗粒活性炭技术的实验室处理数据如下: 提交给美国环境保护局(U.S.Environmental Protection Agency)的 污染物候选名单(CCL)。对于颗粒活性炭(GAC),等温线结果如下: 呈现和定量的结构-性质关系与现有的 用于计算碳使用率的柱模型,该模型考虑了天然气的有害影响 有机物污染。对于膜工艺,进行了筛选级试验 采用螺旋缠绕膜进行处理,该膜可处理高浓度地下水。 平均体积 针对多重压力和回收率,给出了CCL污染物的拒收情况。 从结果来看,GAC和膜技术预计都将得到高度的发展 成功去除CCL上的许多有机污染物。还将进行其他研究 需要开发全面的成本信息。包括20个参考文献、表格和图表。
Bench-scale treatment data for membrane and granular activated carbon technologies are presented for the organic contaminants on the U.S. Environmental Protection Agency's Contaminant Candidate List (CCL). For granular activated carbon (GAC), isotherm results are presented and quantitative structure property relationships are used in conjunction with existing column models to calculate carbon use rates that account for the deleterious effects of natural organic matter fouling. For membrane processes, the screening-level experiments were conducted with a spiral-wound membrane that treated a spiked groundwater. The mean bulk rejections for the CCL contaminants are presented for multiple pressures and recoveries. Judging from the results, both GAC and membrane technologies are expected to be highly successful in removing many of the organic contaminants on the CCL. Additional studies will be needed to develop full-scale cost information. Includes 20 references, tables, figure.
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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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