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作者:

Ling, Sie King (Ling, Sie King.) | Wang, Shaobin (Wang, Shaobin.) | Peng, Yuelian (Peng, Yuelian.) (学者:彭跃莲)

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EI Scopus SCIE

摘要:

Dye degradation using advanced oxidation processes with Co2+/H2O2 and Co2+/peroxymonosulfate(PMS) systems has been investigated. Two types of dyes, basic blue 9 and acid red 183, were employed. Several parameters affecting dye degradation such as Co2+, PMS, H2O2, and dye concentrations were investigated. The optimal ratio of oxidant (PMS, H2O2)/Co2+ for the degradation of two dyes was determined. It is found that dye decomposition is much faster in Co2+/PMS system than in Co2+/H2O2. For Co2+/H2O2, an optimal ratio of H2O2 to Co2+ at 6 is required for the maximum decomposition of the dyes. For Co2+/PMS, higher concentrations of Co2+ and PMS will increase dye degradation rate with an optimal ratio of 3, achieving 95% decolourisation. For basic blue 9, a complete decolourisation can be achieved in 5 min at 0.13 mM Co2+, 0.40 mM PMS and 7 mg/l basic blue 9 while the complete degradation of acid red 183 will be achieved at 30 min at 0.13 mM Co2+, 0.40 mM PMS and 160 mg/l of acid red 183. The degradation of acid red 183 follows the second-order kinetics. (C) 2010 Elsevier B.V. All rights reserved.

关键词:

H2O2 Advanced oxidation processes Dye Oxone

作者机构:

  • [ 1 ] [Ling, Sie King]Curtin Univ Technol, Dept Chem Engn, Perth, WA 6845, Australia
  • [ 2 ] [Wang, Shaobin]Curtin Univ Technol, Dept Chem Engn, Perth, WA 6845, Australia
  • [ 3 ] [Peng, Yuelian]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China

通讯作者信息:

  • [Wang, Shaobin]Curtin Univ Technol, Dept Chem Engn, GPO Box U1987, Perth, WA 6845, Australia

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来源 :

JOURNAL OF HAZARDOUS MATERIALS

ISSN: 0304-3894

年份: 2010

期: 1-3

卷: 178

页码: 385-389

1 3 . 6 0 0

JCR@2022

ESI学科: ENGINEERING;

JCR分区:1

中科院分区:1

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