DEGRADATION OF PHTHALATES ENVIRONMENTAL HORMONES WITH POLYOXOMETALATE-BASED CATALYST Ag4HPMo10V2O40

ZHANG Dan; HUO Ming-xin; LIU Zhong-mou; WANG Xian-ze; WANG Xiao-hong

doi:10.13205/j.hjgc.202108005

Volume 39 Issue 8

Jan. 2022

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ZHANG Dan, HUO Ming-xin, LIU Zhong-mou, WANG Xian-ze, WANG Xiao-hong. DEGRADATION OF PHTHALATES ENVIRONMENTAL HORMONES WITH POLYOXOMETALATE-BASED CATALYST Ag4HPMo10V2O40[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(8): 34-44. doi: 10.13205/j.hjgc.202108005

Citation:

ZHANG Dan, HUO Ming-xin, LIU Zhong-mou, WANG Xian-ze, WANG Xiao-hong. DEGRADATION OF PHTHALATES ENVIRONMENTAL HORMONES WITH POLYOXOMETALATE-BASED CATALYST Ag₄HPMo₁₀V₂O₄₀[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(8): 34-44. doi: 10.13205/j.hjgc.202108005

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DEGRADATION OF PHTHALATES ENVIRONMENTAL HORMONES WITH POLYOXOMETALATE-BASED CATALYST Ag₄HPMo₁₀V₂O₄₀

doi: 10.13205/j.hjgc.202108005

1. Key Lab of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun 130024, China;
2. Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun 130117, China;
3. School of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun 130118, China;
4. College of Material Science and Engineering, Beihua University, Jilin 132013, China

Received Date: 2020-07-27
Available Online: 2022-01-18

Abstract

Abstract

Phthalates (PAEs), as common environmental hormones in wastewater, are listed as "priority control pollutants" by many countries due to the great threat to human beings and organisms in water. A series of polyoxometalate-based materials (Ag_xH_5-xPMo₁₀V₂O₄₀, x =1~5) were designed and synthesized, and the catalytic wet peroxide oxidation (CWPO) was employed to realize the efficient oxidation of diethyl phthalate (DEP) with degradation efficiency of 91.0% at 20 min. Furthermore, the degradation products of DEP were low toxic of lactic acid, CO₂ and H₂O, while the removal efficiency of total organic carbon and chemical oxygen demand achieved 70.2% and 81.1%, respectively. Overall, the catalyst exhibited high activity, stability and recyclability, which showed great tolerance for different phthalates and excellent removals for trace DEP.
- environmental hormones,
- wet hydrogen peroxide oxidation,
- polyoxometalates,
- catalysis,
- degradation

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References(26)

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