Radiation degradation and mineralization of alizarin S in aqueous solution by γ-rays

ZHAO Jun; WANG Min; MA Hongjuan; YAO Side; YANG Ruiyuan; SHEN Zhongqun; PU Changyong; ZHANG Jing

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Radiation degradation and mineralization of alizarin S in aqueous solution by γ-rays

更新时间：2023-03-30

- Radiation degradation and mineralization of alizarin S in aqueous solution by γ-rays
- Journal of Radiation Research and Radiation Processing Vol. 26, Issue 1, Pages: 13-18(2008)
- 作者机构：
  
  1.中国科学院上海应用物理研究所　上海　201800
  2.中国科学院研究生院　北京　100049
- 作者简介：
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ZHAO Jun, WANG Min, MA Hongjuan, et al. Radiation degradation and mineralization of alizarin S in aqueous solution by γ-rays. [J]. Journal of Radiation Research and Radiation Processing 26(1):13-18(2008)
DOI：

ZHAO Jun, WANG Min, MA Hongjuan, et al. Radiation degradation and mineralization of alizarin S in aqueous solution by γ-rays. [J]. Journal of Radiation Research and Radiation Processing 26(1):13-18(2008) DOI：

摘要

用 ,60,Co γ 射线辐照茜素红水溶液，研究该染料的辐射降解特性。通过对辐照前后茜素红的紫外可见光谱、脱色率、总有机碳（Total organic carbon，TOC）去除率的研究。探讨了吸收剂量、初始浓度、溶液 pH 值、H,2,O,2, 加入量、在不同气体饱和条件下对茜素红溶液降解和矿化效果的影响。结果表明，辐射技术能有效降解茜素红染料，在空气饱和双氧水浓度为 4mmol/L 的条件下，吸收剂量为7.5kGy时，茜素红脱色率可达 98%，TOC 去除率可达 70 % 。

Abstract

Degradation of alizarin S in aqueous solutions was studied by use of ,60,Co γ-rays. Changes of absorption spectra, degree of decoloriation and total organic carbon (TOC) removal were investigated by changing the absorbed doses, primary concentration of alizarin S, the pH of the system, added amounts of H,2,O,2, and saturated with different gases in system, Results show that decoloriation and TOC removal efficiency is of 98 % and about 70 % respectively when the added concentration of H,2,O,2, was 4mmol/L and aqueous solution was saturated with air at 7.5kGy irradiation. The results suggested that the radiation technology might be a promising process for treatment of textile dye waste effluents.

关键词

辐射降解茜素红脱色总有机碳

Keywords

RadiationDegradationAlizarin SDecoloriationTotal organic carbon (TOC)

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