American Journal of Water Science and Engineering

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Heat Pump Evaporation Crystallization Technology of Salt-containing Phenol Wastewater

Received: 26 September 2019    Accepted: 22 October 2019    Published: 30 October 2019
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Abstract

China is a large country in the production and use of pesticides, and the production and use of pesticides are among the highest in the world. According to statistics, the ratio of wastewater from pesticide production to wastewater discharged is about 1:100. Arbitrary discharge of a large amount of pesticide wastewater has caused serious environmental problems. The main way of pesticide wastewater treatment is to optimize emission reduction and control emissions. At present, treatment is the main way. There are many kinds of pesticide wastewater, which need targeted treatment, greatly increasing the difficulty of treatment. This paper takes the salty waste phenol wastewater discharged from a pesticide factory as the carrier, through basic physical property analysis, thermal property detection, crystallization kinetics research, basic small test, pilot scale amplification, research and development for the evaporation of this wastewater, crystallization processing equipment. In order to optimize the process route, it is preferable to use MVR compressor technology in comparison with multi-effects. Under the conditions of evaporation temperature 75°C to 90°C, compare the parameters of compressor power, cooling water volume, total energy consumption of evaporation crystallization device, total area, etc., and determine the evaporation temperature to be 90°C. In order to improve the energy utilization rate, the heat such as condensed water, crystal slurry output, and mother liquor reflux is rationally utilized. The multi-stage plate preheater and plate evaporator are used in the equipment design. The separator and condensed water vapor-liquid separation device adopt the patented structure to improve the operation efficiency.

DOI 10.11648/j.ajwse.20190503.13
Published in American Journal of Water Science and Engineering (Volume 5, Issue 3, September 2019)
Page(s) 121-126
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Wastewater Treatment, Crystallization Kinetics, Wastewater Physical Properties

References
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[4] Panday P K. Two-dimensional turbulent film condensation of vapors flowing inside avertical tube and between parallel plates [J]. International journal of Refrigeration. 2003, 26: 492-503.
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[6] Hu Baisong, Yang Yumei, Zhao Jingli. Calculation of the best effect in multi-effect evaporation engineering [J]. Inorganic Salt Industry. 2012, 44 (11): 55-56.
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Author Information
  • College of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, China

  • College of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, China

  • College of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, China

  • College of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, China

  • College of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, China

  • College of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, China

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  • APA Style

    Xiantao Zhou, Longwei Ran, Xiaoqing Chen, Fei Wang, Tong Yang, et al. (2019). Heat Pump Evaporation Crystallization Technology of Salt-containing Phenol Wastewater. American Journal of Water Science and Engineering, 5(3), 121-126. https://doi.org/10.11648/j.ajwse.20190503.13

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    ACS Style

    Xiantao Zhou; Longwei Ran; Xiaoqing Chen; Fei Wang; Tong Yang, et al. Heat Pump Evaporation Crystallization Technology of Salt-containing Phenol Wastewater. Am. J. Water Sci. Eng. 2019, 5(3), 121-126. doi: 10.11648/j.ajwse.20190503.13

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    AMA Style

    Xiantao Zhou, Longwei Ran, Xiaoqing Chen, Fei Wang, Tong Yang, et al. Heat Pump Evaporation Crystallization Technology of Salt-containing Phenol Wastewater. Am J Water Sci Eng. 2019;5(3):121-126. doi: 10.11648/j.ajwse.20190503.13

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  • @article{10.11648/j.ajwse.20190503.13,
      author = {Xiantao Zhou and Longwei Ran and Xiaoqing Chen and Fei Wang and Tong Yang and Yun Chen},
      title = {Heat Pump Evaporation Crystallization Technology of Salt-containing Phenol Wastewater},
      journal = {American Journal of Water Science and Engineering},
      volume = {5},
      number = {3},
      pages = {121-126},
      doi = {10.11648/j.ajwse.20190503.13},
      url = {https://doi.org/10.11648/j.ajwse.20190503.13},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajwse.20190503.13},
      abstract = {China is a large country in the production and use of pesticides, and the production and use of pesticides are among the highest in the world. According to statistics, the ratio of wastewater from pesticide production to wastewater discharged is about 1:100. Arbitrary discharge of a large amount of pesticide wastewater has caused serious environmental problems. The main way of pesticide wastewater treatment is to optimize emission reduction and control emissions. At present, treatment is the main way. There are many kinds of pesticide wastewater, which need targeted treatment, greatly increasing the difficulty of treatment. This paper takes the salty waste phenol wastewater discharged from a pesticide factory as the carrier, through basic physical property analysis, thermal property detection, crystallization kinetics research, basic small test, pilot scale amplification, research and development for the evaporation of this wastewater, crystallization processing equipment. In order to optimize the process route, it is preferable to use MVR compressor technology in comparison with multi-effects. Under the conditions of evaporation temperature 75°C to 90°C, compare the parameters of compressor power, cooling water volume, total energy consumption of evaporation crystallization device, total area, etc., and determine the evaporation temperature to be 90°C. In order to improve the energy utilization rate, the heat such as condensed water, crystal slurry output, and mother liquor reflux is rationally utilized. The multi-stage plate preheater and plate evaporator are used in the equipment design. The separator and condensed water vapor-liquid separation device adopt the patented structure to improve the operation efficiency.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Heat Pump Evaporation Crystallization Technology of Salt-containing Phenol Wastewater
    AU  - Xiantao Zhou
    AU  - Longwei Ran
    AU  - Xiaoqing Chen
    AU  - Fei Wang
    AU  - Tong Yang
    AU  - Yun Chen
    Y1  - 2019/10/30
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ajwse.20190503.13
    DO  - 10.11648/j.ajwse.20190503.13
    T2  - American Journal of Water Science and Engineering
    JF  - American Journal of Water Science and Engineering
    JO  - American Journal of Water Science and Engineering
    SP  - 121
    EP  - 126
    PB  - Science Publishing Group
    SN  - 2575-1875
    UR  - https://doi.org/10.11648/j.ajwse.20190503.13
    AB  - China is a large country in the production and use of pesticides, and the production and use of pesticides are among the highest in the world. According to statistics, the ratio of wastewater from pesticide production to wastewater discharged is about 1:100. Arbitrary discharge of a large amount of pesticide wastewater has caused serious environmental problems. The main way of pesticide wastewater treatment is to optimize emission reduction and control emissions. At present, treatment is the main way. There are many kinds of pesticide wastewater, which need targeted treatment, greatly increasing the difficulty of treatment. This paper takes the salty waste phenol wastewater discharged from a pesticide factory as the carrier, through basic physical property analysis, thermal property detection, crystallization kinetics research, basic small test, pilot scale amplification, research and development for the evaporation of this wastewater, crystallization processing equipment. In order to optimize the process route, it is preferable to use MVR compressor technology in comparison with multi-effects. Under the conditions of evaporation temperature 75°C to 90°C, compare the parameters of compressor power, cooling water volume, total energy consumption of evaporation crystallization device, total area, etc., and determine the evaporation temperature to be 90°C. In order to improve the energy utilization rate, the heat such as condensed water, crystal slurry output, and mother liquor reflux is rationally utilized. The multi-stage plate preheater and plate evaporator are used in the equipment design. The separator and condensed water vapor-liquid separation device adopt the patented structure to improve the operation efficiency.
    VL  - 5
    IS  - 3
    ER  - 

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