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Removal of a Bittering Agent Potentially Released to Water Supplies: Implications for Drinking Water Treatment 去除可能释放到水源中的苦味剂:对饮用水处理的影响
发布日期: 2009-11-01
这项研究 通过 确定粉末活性炭(PAC)处理是否为常用方法 用于去除水中的味道和气味污染物,适用于DB 移动饮用水 依赖DB污染水源的处理设施可能需要依赖 现有治疗流程或投资新的治疗方案,为消费者提供 用合适的饮用水。结果表明,PAC去除率较低 在24小时接触时间和较高的PAC剂量下,DB的浓度最好。至少 DB浓度越高,PAC对DB的去除率越低。沥青基 在所有条件下,碳的表现都略好于褐煤基碳。 未来的研究将调查添加活性炭和天然水的情况 用苯甲酸二钠来评估天然有机物对吸附的影响。包括3个参考文献、表格、图表。
This study addresses concerns related to the potential release of denatonium benzoate (DB) to water supplies, by determining if powdered activated carbon (PAC) treatment, a common method employed to remove taste and odor contaminants from water, is suitable for DB removal. Drinking water treatment facilities relying on DB contaminated water supplies may need to depend on existing treatment processes or invest in new treatment options to provide consumers with suitable drinking water. Results herein indicated that PAC removed low concentrations of DB best at the 24 hour contact time and higher PAC doses. At a higher DB concentration, less DB removal by PAC was achieved. A bituminous-based carbon performed slightly better than a lignite-based carbon under all conditions. Future research will investigate additional activated carbons and natural water spiked with denatonium benzoate to assess the impact of natural organic matter on adsorption. Includes 3 references, table, 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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