Treatment of simulated waste gas containing dichloromethane using the absorption/photochemical-oxidization technology(吸收-光化学氧化法处理二氯甲烷废气研究)

通过配置一定浓度的含二氯甲烷的有机废气,考察了 UV、H2O2和Fenton等单一及组合氧化工艺氧化降解二氯甲烷的技术可行性.研究表明,UV/H2O2联合法对二氯甲烷的降解效果较好,其最优反应条件为30% H2O2用量1.5 mL,初始pH = 3~7,吸收液循环再生流量200 mL • min-1,紫外灯功率8 W.此外,考察了 UV/H2O2体系氧化降解二氯甲烷的动力学特性,结果表明,在紫外光强度稳定、液相反应物均匀分布、且H2O2用量过量的条件下,该氧化降解过程遵循准一级反应动力学方程....

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Bibliographic Details
Main Authors: ZHOUTianxiao(周天潇), JINYizhong(金一中), XUTao(徐涛)
Format: Article
Language:zho
Published: Zhejiang University Press 2014-03-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
Online Access:https://doi.org/10.3785/j.issn.1008-9497.2014.02.014