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Journal AWWA - Effect of Operating Conditions on Bromate Removal Efficiency in BAC Filters AWWA期刊-操作条件对BAC过滤器中溴酸盐去除效率的影响
发布日期: 2002-04-01
本研究旨在确定 常见的操作条件, 比如定期反洗, 会影响溴酸盐的去除和 溴酸盐过滤器的操作 移除可能会影响下游问题, 比如分配系统再生。 这项研究发现溴酸盐, 一种受调节的化合物,被还原 在生物活性碳中溴化 (BAC)过滤器和需氧生物降解性 天然有机物的含量则不高 溶解氧低后增加 (不要)BAC过滤。这项研究也 表明运行条件可能 影响溴酸盐的去除程度 BAC滤波器和典型的干扰 操作条件(高溶解氧等) 第四)可能会影响过滤器的性能 用于将来的溴酸盐去除。用这些 考虑到这些发现,处理厂可以 考虑BAC过滤器启动 条件——作者强调 过滤器启动这一事实的重要性 条件可能会影响过滤器的性能。 此外,作者建议 工厂执行特定于现场的试验台规模 颗粒活性炭及其应用研究 水的利益,使适当的操作 可以选择过滤器参数。包括19个参考文献、表格和图表。
This study was undertaken to determine how common operating conditions, such as regular backwashing, would affect bromate removal and how operation of a filter for bromate removal might affect downstream issues, such as distribution system regrowth. This study found that bromate, a regulated compound, is reduced to bromide in a biologically active carbon (BAC) filter and that aerobic biodegradability of natural organic matter was not increased following low dissolved oxygen (DO) BAC filtration. The study also showed that operating conditions may affect the extent of bromate removal in a BAC filter and that disturbances in typical operating conditions (high DO and so forth) may impair the filter's performance for future bromate removal. With these findings in mind, treatment plants can carefully consider BAC filter startup conditions - the authors emphasize the importance of the fact that filter startup conditions can affect the filter's performance. In addition, the authors recommend that plants perform site-specific bench-scale studies with granular activated carbon and water of interest so that appropriate operational filter parameters can be chosen. Includes 19 references, 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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