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

WANG Min; YANG Ruiyuan; WANG Wenfeng; BIAN Shaowei; SHEN Zhongqun

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

更新时间：2023-03-30

- γ -ray induced degradation of reactive blue KNR in aqueous solution
- Journal of Radiation Research and Radiation Processing Vol. 22, Issue 2, Pages: 92-96(2004)
- 作者机构：
  
  1.中国科学院上海应用物理研究所　上海　201800
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WANG Min, YANG Ruiyuan, WANG Wenfeng, et al. γ -ray induced degradation of reactive blue KNR in aqueous solution. [J]. Journal of Radiation Research and Radiation Processing 22(2):92-96(2004)
DOI：

WANG Min, YANG Ruiyuan, WANG Wenfeng, et al. γ -ray induced degradation of reactive blue KNR in aqueous solution. [J]. Journal of Radiation Research and Radiation Processing 22(2):92-96(2004) DOI：

摘要

用,60,Co γ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COD（Chemical oxygen demand）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、H,2,O,2,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。

Abstract

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 ,60,Co γ-rays to 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

辐照活性艳蓝KNR降解脱色化学需氧量（COD）

Keywords

IrradiationReactive blue KNRDegradationDecolorationChemical oxygen demand (COD)

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