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The Photocatalytic Technology for Wastewater Treatment

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Photo-catalytic Control Technologies of Flue Gas Pollutants

Part of the book series: Energy and Environment Research in China ((EERC))

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Abstract

In order to maintain the balance of desulfurization slurry material circulation system, prevent the soluble part of the chlorine concentration in flue gas to exceed a specified value, and ensure the quality of gypsum, discharge from the system is necessary, including a certain amount of waste water, which is mainly from gypsum dehydration and cleaning system. The impurities in waste water mainly include suspended, supersaturated sulfites, sulfates, and heavy metals, many of which are the primary pollutants required to be strictly controlled by national environmental standards. The photocatalysis showed great superiority on wastewater treatment. Based on the photocatalytic mechanism and the kinetics, the photocatalytic process includes primary reaction process and secondary reaction process, and the wastewater degraded with photocatalysts is studied in this chapter. Through the analysis of traditional method on degrading wastewater, it is a universal view that photocatalysis is a promising method with industrialized value. At last, several future developing views of the application of photocatalysts on wastewater treatment were put forward, which included efficiency priority, combining immobilization, mechanism in microcosmic, and application in macroscopic.

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Author information

Authors and Affiliations

  1. School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, China

    Jiang Wu

  2. Shanghai University of Electric Power, Shanghai, China

    Jianxing Ren & Weiguo Pan

  3. School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing, China

    Ping Lu

  4. School of Hydraulic, Energy and Power Engineering, Yangzhou University, Yangzhou, Jiangsu, China

    Yongfeng Qi

Authors
  1. Jiang Wu
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  2. Jianxing Ren
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  3. Weiguo Pan
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  4. Ping Lu
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  5. Yongfeng Qi
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Correspondence to Jiang Wu .

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Wu, J., Ren, J., Pan, W., Lu, P., Qi, Y. (2019). The Photocatalytic Technology for Wastewater Treatment. In: Photo-catalytic Control Technologies of Flue Gas Pollutants. Energy and Environment Research in China. Springer, Singapore. https://doi.org/10.1007/978-981-10-8750-9_7

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  • DOI: https://doi.org/10.1007/978-981-10-8750-9_7

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-8748-6

  • Online ISBN: 978-981-10-8750-9

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