Synthesis of Calcium Peroxide Microparticles and its Application in Glyphosate Wastewater Pretreatment

Jian Zhai; Chun Hua Jiang

doi:10.4028/www.scientific.net/AMR.881-883.1139

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Synthesis of Calcium Peroxide Microparticles and its Application in Glyphosate Wastewater Pretreatment
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 881-883Synthesis of Calcium Peroxide Microparticles and...

Synthesis of Calcium Peroxide Microparticles and its Application in Glyphosate Wastewater Pretreatment

Abstract:

The calcium peroxide microparticles were synthesized and evaluated as an innovative oxidant to pretreat glyphosate wastewater. The CaO₂microparticles were 0.1-0.3 μm in diameter and the average CaO₂ content was 80%. Experiments were performed to investigate the influence of m(CaO₂ :COD_Cr), n(CaO₂:FeSO₄·7H₂O), pH and contact time of solution on the removal efficiency of TP and COD_Cr. Under the optimal condition (m(CaO₂ :COD_Cr) =1:1, n(CaO₂:FeSO₄·7H₂O)=4:1, pH=3.0,contact time =30min), the removal efficiency of TP and COD_Cr reached 94.2% and 62.1% respectively. These results suggested that CaO₂ microparticles may be used to develop a simple and efficient pretreatment method for glyphosate wastewater.

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Periodical:

Advanced Materials Research (Volumes 881-883)

Pages:

1139-1143

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.881-883.1139

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Online since:

January 2014

Authors:

Jian Zhai*, Chun Hua Jiang

Keywords:

Glyphosate Wastewater, Micro CaO₂, Pretreat

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