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首页> 外文会议>2011 water quality technology conference amp; exposition: An Oasis of Ideas for a Changing Environment. >NDMA Formation from Gaskets Used In Water Storage Tanks
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NDMA Formation from Gaskets Used In Water Storage Tanks

机译：NDMA由储水箱中使用的垫圈形成

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摘要

Elevated concentrations of N-nitrosodimethylamine (NDMA) were detected in arndistribution system during routine monitoring. The high concentrations were localized, and arntemporary storage tank was suspected to be the source of the problem. Samples of the gasketsrnused in the construction of the temporary tank were gathered and subjected to bench-scale tests.rnThese tests demonstrated that the gaskets, when exposed to system water, did produce NDMA asrnwell as other nitrosamines. Scaling up the surface-area-to-volume ratios from bench-scale tornfull-scale, the concentrations of NDMA measured in the bench-scale tests were not high enoughrnto account for all of the NDMA measured in the full-scale tank, assuming complete mixing.
机译：在常规监测期间，在分布系统中检测到N-亚硝基二甲胺（NDMA）浓度升高。高浓度被局部化，并且临时储罐被怀疑是问题的根源。收集临时罐构造中使用的垫片样品并进行台式测试。这些测试表明，垫片在暴露于系统水中时确实会像其他亚硝胺一样产生NDMA气味。从台式规模到满量程比例放大表面积与体积之比，在台式测试中测得的NDMA浓度不够高，不足以说明在满量程罐中测得的所有NDMA（假设已完成）混合。

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