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含二甲胺结构化合物消毒生成NDMA的特性研究 被引量:3

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摘要 选取了8种典型含二甲胺结构化合物,研究这些物质在氯胺、自由氯和二氧化氯消毒条件下的二甲胺(DMA)释放特性和二甲基亚硝胺(NDMA)生成特性,并重点关注氯胺消毒条件下消毒剂剂量、pH和反应时间对NDMA生成的影响。在氯胺消毒条件下,这些化合物可以显著生成NDMA,但不同化合物具有不同的生成特性。研究显示,中间产物DMA的不同释放特性是造成不同物质NDMA生成量存在差异的主要原因。消毒剂剂量和pH均会影响NDMA的生成,其中消毒剂剂量越大,NDMA生成量越大;中性偏碱性条件有利于NDMA生成。
出处 《给水排水》 CSCD 北大核心 2015年第5期118-122,共5页 Water & Wastewater Engineering
基金 国家自然科学基金重大项目(51290284) 清华大学自主科研计划项目(20131089247)
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参考文献20

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二级参考文献9

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