活性艳蓝染料KNR的辐照降解研究  

γ -ray induced degradation of reactive blue KNR in aqueous solution

作　　者：王敏[1] 杨睿媛[1] 王文锋[1] 边绍伟[1] 沈忠群[1] 

机构地区：[1]中国科学院上海应用物理研究所,上海201800

出　　处：《辐射研究与辐射工艺学报》2004年第2期92-96,共5页Journal of Radiation Research and Radiation Processing

基　　金：国家自然科学基金(10175086)资助

摘　　要：用Coγ射线辐照活性艳蓝KNR水溶液,研究活性染料的辐照降解特性。以脱色率和化学需氧量COD60(Chemicaloxygendemand)去除率为降解指标,研究了活性艳蓝KNR水溶液在受辐照前后的紫外可见光谱变化,并探讨了吸收剂量、H2O2加入量、初始浓度、溶液pH值和溶液在不同气体饱和下对降解效果的影响。结果表明,辐射技术能有效降解活性艳蓝染料,脱色效果十分理想,COD去除率可达80%以上。The textile industry has been recognized as one of the largest pollution sources of wastewater in China. In this study, the possibility of using irradiation technology to degrade reactive dye in aqueous solution was investigated. The reactive blue KNR in aqueous solutions under different conditions were irradiated by Co γ-rays to 60 4.3, 8.9, 13.7, 17.4 and 20.3 kGy, respectively. Changes of absorption spectra, chemical oxygen demand (COD) and degree of decoloration were examined. A COD removal efficiency of 80% and a decoloration rate of 100% could be obtained. The results suggests that te irradiation technology shall be a promising process for treatment of textile dye waste effluents.

关 键 词：辐照降解 活性艳蓝KNR 脱色率 化学需氧量 吸收剂量 辐射技术 水处理 

分 类 号：O644.22[理学—物理化学] X52[理学—化学]