用185nm UV降低水中总有机碳的研究
收稿日期: 2005-07-19
网络出版日期: 2010-10-01
Abatement of TOC in aqueous solutions
Received date: 2005-07-19
Online published: 2010-10-01
邓守权, 闻瑞梅 . 用185nm UV降低水中总有机碳的研究[J]. 工业水处理, 2005 , 25(12) : 18 -20 . DOI: 10.11894/1005-829x.2005.25(12).18
Some mechanism of photo-degradation of organic substances in aqueous solution by 185 nm UV is investigated.Firstly,185 nm UV photo-dissociates the ultra pure water.And,the H2O2 formed can be tested through experiments.It is proved that when 185 nm UV acts on the water,HO2and other active intermediates can be produced.Application 185 nm UV to the preparation system of ultra pure water can abate the TOC in ultra pure water to 0.3 μg/L,which meets the requirement ofUltra Large Scale Integrated Circuits(ULSIC).Meanwhile,185 nm UV has good effect on degrading TOC of organic substances in wastewater.It is a new method to degrade non-biodegradable,noxious and deleterious organic substances in aqueous solutions.It is good for expand the research on advanced oxidation processes (AOP) theoretically and environmental protection.
Key words: 185nmUV; totalorganiccarbon; ultrapurewater
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