Heat Pump Evaporation Crystallization Technology of Salt-containing Phenol Wastewater

Xiantao Zhou; Longwei Ran; Xiaoqing Chen; Fei Wang; Tong Yang; Yun Chen

doi:doi:10.11648/j.ajwse.20190503.13

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Heat Pump Evaporation Crystallization Technology of Salt-containing Phenol Wastewater

Xiantao Zhou, Longwei Ran, Xiaoqing Chen, Fei Wang, Tong Yang, Yun Chen

Published in American Journal of Water Science and Engineering (Volume 5, Issue 3)

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.

Published in	American Journal of Water Science and Engineering (Volume 5, Issue 3)
DOI	10.11648/j.ajwse.20190503.13
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), 2019. Published by Science Publishing Group

Keywords

Wastewater Treatment, Crystallization Kinetics, Wastewater Physical Properties

References

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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://article.sciencepublishinggroup.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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Author Information

Xiantao Zhou

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

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

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

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

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

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://article.sciencepublishinggroup.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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