Fenton-like Degradation of Rhodamine B Dyeing Wastewater with Fe-Beta Zeolite
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    Abstract:

    The effects of initial pH, H2O2 dosage, Fe-Beta zeolite dosage, temperature and inorganic salt ion concentration on the decolorization rate of Rhodamine B solution in Fenton-like system and the reuse of the Fe-Beta zeolite were discussed. The results show that for the degradation of 100 mL of 100 mg?L-1 Rhodamine B solution, with the initial pH 3.0, H2O2 dosage 0.4 mL and Fe-Beta zeolite dosage 30 mg, after 2 h reaction at 70 ℃, the degradation rate can reach 95%. The recycling rate was high as the degradation rate remained above 80% after 5 times of reuse. Finally, the catalytic degradation of actual dyeing wastewater was investigated. For 30 mL original solution, with H2O2 dosage 10%(volume ratio) and Fe-Beta zeolite dosage 80 mg, after 2 h reaction at 200 ℃, the decolorization rate can reach 96%.

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SI Huiping, ZHANG Siquan, ZHU Hao, SHEN Zheng. Fenton-like Degradation of Rhodamine B Dyeing Wastewater with Fe-Beta Zeolite[J].同济大学学报(自然科学版),2020,48(03):418~427

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History
  • Received:June 03,2019
  • Revised:October 29,2019
  • Adopted:November 07,2019
  • Online: April 19,2020
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