摘要
采用UV-Fenton高级氧化法对含二甲基亚砜(DMSO)的碳纤维生产模拟废水进行降解处理,初步探索了UV/H2O2/Fe2+氧化反应机理和DMSO降解反应机理,研究了H2O2浓度、Fe2+浓度、初始pH值及H2O2投加方式等因素对DMSO去除率的影响。结果表明:当H2O2浓度为0.15 mol/L,Fe2+浓度为0.6g/L,体系初始pH值为3~4时,DMSO去除效果最佳,可达90%;在最佳条件下分3次等量加入H2O2,DMSO去除率可达95%。二甲基亚砜主要被降解成为CO2和SO2-4,不会造成二次污染。
The UV-Fenton oxidation was used to treat the simulated wastewater of carbon fiber production containing dimethyl sulfoxide( DMSO). The main aspects discussed include the mechanism of the UV-Fenton oxidation and degradation of DMSO,as well as the influence factors such as H2O2 concentration,Fe2 +concentration,initial pH value and adding H2O2 on the DMSO removal efficiency. The results showed that the efficiency could reach 90% when [H2O2]=0. 15 mol/L,[Fe2 +]=0. 6g/L and the initial pH value between 3 and 4. Besides,the efficiency could be achieved at about 95% if adding H2O2 for three times under the best operating conditions.
出处
《环境工程》
CAS
CSCD
北大核心
2013年第S1期93-96,共4页
Environmental Engineering
基金
国家自然科学基金项目(51103174)
