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首页> 外文会议>The Fifth International Symposium on Southeast Asian Water Environment(Oral Presentation Proceedings) >Performance of Iron and Manganese Removal from Raw Water of Mae Koung Water Treatment Plant by Preozonation Process
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Performance of Iron and Manganese Removal from Raw Water of Mae Koung Water Treatment Plant by Preozonation Process

机译：湄公河水处理厂预臭氧化处理原水中除铁和除锰的性能

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摘要

The performance of iron and manganese removal from the raw water at Mae Koung water treatment plant was investigated. Two laboratory models were operated at different ORPs of 400, 500, 600 and 700 mV from August 2004 to April 2005. The water treatment process comprised preozonation- coagulation- sedimentation- filtration- and postchlorination. These experimental units were equipped with an automatic ORP controller and operated for 24 hours continuously, with a capacity of 0.5 cubic meters per hour. The results illustrated that the optimum ORP was in the range of 450-550 mV. At this condition, the first order prevailed in both iron and manganese removal reactions. The reaction rate constants of these iron and manganese removal reactions were equal to 1.26 and 0.95 per min, respectively.
机译：对湄公水处理厂从原水中去除铁和锰的性能进行了研究。从2004年8月到2005年4月，在400、500、600和700 mV的不同ORP下运行了两个实验室模型。水处理过程包括预臭氧化，混凝，沉淀，过滤和后氯化。这些实验单元配备了自动ORP控制器，并连续运行24小时，每小时处理能力为0.5立方米。结果表明，最佳ORP为450-550 mV。在这种条件下，除铁和除锰反应均以一阶为主。这些除铁和除锰反应的反应速率常数分别等于每分钟1.26和0.95。

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