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Engineering application research of subcritical water oxidation forglyphosate wastewater

Received Date:2022-05-06

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    Abstract:were used to treat glyphosate wastewater. Compared with traditional treatment processes, this new treat⁃ment process has... Open+
    Abstract:were used to treat glyphosate wastewater. Compared with traditional treatment processes, this new treat⁃ment process has high efficiency, produces no secondary pollutants, and recovers valuable by -products. A glyphosate enterprise used this process to treat 1 800 m3/d glyphosate wastewater. The op⁃eration results shows that the overall process is stable, and the salt can be recycled as a resource. TheCOD removal rate is over 93%, and the phosphorus recovery rate reaches 99%. The treated wastewatercan enter a biochemical system to meet the relevant standards and discharged finally. The operating costof the project is 177.3 yuan/t. Considering the phosphorus recovery value which is 467.2 yuan/t, thetreatment process can increase the income by 289.9 yuan/t, which proves that treating the glyphosatewastewater with subcritical water oxidation technology has significant economic and environmental bene⁃fits. Close-

    Authors:

    • WAN Jinling1
    • WU Libo2
    • WANG Wujian3
    • WANG Junliang1

    Units

    • 1.College of Environment,Zhejiang University of Technology,Hangzhou 310023,China
    • 2.Hangzhou Sunrise Co.,Ltd.,Hangzhou 310011,China
    • 3.Zhejiang Dagong Detection Research Co.,Ltd.,Shaoxing 312000,China

    Keywords

    • Glyphosate wastewater
    • Subcritical water oxidation
    • Phosphoruscontaining wastewater
    • Resourcization

    Citation

    WAN Jinling,WU Libo,WANG Wujian,et al. Engineering application research of subcritical water oxidation forglyphosate wastewater[J]. Energy Environmental Protection,2022,36(3):51-55.
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