Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology

Deming Yang; Bingqin Leng; Tao Li; Ming Li

doi:doi:10.11648/j.ajche.20200803.11

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Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology

Deming Yang, Bingqin Leng, Tao Li, Ming Li

Published in American Journal of Chemical Engineering (Volume 8, Issue 3)

Received: 22 April 2020 Accepted: 4 June 2020 Published: 17 June 2020

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Abstract

This work keeps an eye on the energy saving research on evaporation crystallization process of bittern. Based on the thermo sensitivity of solubility of various salts in bittern, the magnesium salts are purified. The conventional evaporation crystallization process used to separate the bittern demands high energy consumption and has low thermodynamic efficiency. Therefore, the multi-effect evaporation (MEE), thermal vapor recompression (TVR) heat pump and mechanical vapor recompression (MVR) heat pump technology were applied to the conventional evaporation crystallization process. The MVR and TVR technology can both make full use of the secondary steam heating materials that will save energy. In addition, Aspen Plus (Version 7.3) was used to simulate the processes of the electrolyte-containing system under the ELECNTRAL thermodynamic model. For the better evaluation of various evaporation crystallization processes, some important evaluation indexes, such as energy consumption, annual total cost (ATC) and exergy loss were chosen as objective functions. Compared with the double-effect evaporation crystallization process coupled with TVR heat pump technology, the results indicated that the double-effect evaporation crystallization process coupled with MVR heat pump technology can save energy consumption and ATC by 80.52% and 15.32% respectively. Furthermore, the MVR heat pump technology takes the lowest effective energy loss, which is a more competitive factor of evaporation crystallization process of bittern.

Published in	American Journal of Chemical Engineering (Volume 8, Issue 3)
DOI	10.11648/j.ajche.20200803.11
Page(s)	54-62
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), 2020. Published by Science Publishing Group

Keywords

Bittern, Evaporation Crystallization, MVR Heat Pump, TVR Heat Pump, MEE, ATC, Energy Saving

References

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APA Style

Deming Yang, Bingqin Leng, Tao Li, Ming Li. (2020). Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology. American Journal of Chemical Engineering, 8(3), 54-62. https://doi.org/10.11648/j.ajche.20200803.11

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ACS Style

Deming Yang; Bingqin Leng; Tao Li; Ming Li. Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology. Am. J. Chem. Eng. 2020, 8(3), 54-62. doi: 10.11648/j.ajche.20200803.11

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AMA Style

Deming Yang, Bingqin Leng, Tao Li, Ming Li. Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology. Am J Chem Eng. 2020;8(3):54-62. doi: 10.11648/j.ajche.20200803.11

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@article{10.11648/j.ajche.20200803.11,
  author = {Deming Yang and Bingqin Leng and Tao Li and Ming Li},
  title = {Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology},
  journal = {American Journal of Chemical Engineering},
  volume = {8},
  number = {3},
  pages = {54-62},
  doi = {10.11648/j.ajche.20200803.11},
  url = {https://doi.org/10.11648/j.ajche.20200803.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20200803.11},
  abstract = {This work keeps an eye on the energy saving research on evaporation crystallization process of bittern. Based on the thermo sensitivity of solubility of various salts in bittern, the magnesium salts are purified. The conventional evaporation crystallization process used to separate the bittern demands high energy consumption and has low thermodynamic efficiency. Therefore, the multi-effect evaporation (MEE), thermal vapor recompression (TVR) heat pump and mechanical vapor recompression (MVR) heat pump technology were applied to the conventional evaporation crystallization process. The MVR and TVR technology can both make full use of the secondary steam heating materials that will save energy. In addition, Aspen Plus (Version 7.3) was used to simulate the processes of the electrolyte-containing system under the ELECNTRAL thermodynamic model. For the better evaluation of various evaporation crystallization processes, some important evaluation indexes, such as energy consumption, annual total cost (ATC) and exergy loss were chosen as objective functions. Compared with the double-effect evaporation crystallization process coupled with TVR heat pump technology, the results indicated that the double-effect evaporation crystallization process coupled with MVR heat pump technology can save energy consumption and ATC by 80.52% and 15.32% respectively. Furthermore, the MVR heat pump technology takes the lowest effective energy loss, which is a more competitive factor of evaporation crystallization process of bittern.},
 year = {2020}
}

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TY  - JOUR
T1  - Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology
AU  - Deming Yang
AU  - Bingqin Leng
AU  - Tao Li
AU  - Ming Li
Y1  - 2020/06/17
PY  - 2020
N1  - https://doi.org/10.11648/j.ajche.20200803.11
DO  - 10.11648/j.ajche.20200803.11
T2  - American Journal of Chemical Engineering
JF  - American Journal of Chemical Engineering
JO  - American Journal of Chemical Engineering
SP  - 54
EP  - 62
PB  - Science Publishing Group
SN  - 2330-8613
UR  - https://doi.org/10.11648/j.ajche.20200803.11
AB  - This work keeps an eye on the energy saving research on evaporation crystallization process of bittern. Based on the thermo sensitivity of solubility of various salts in bittern, the magnesium salts are purified. The conventional evaporation crystallization process used to separate the bittern demands high energy consumption and has low thermodynamic efficiency. Therefore, the multi-effect evaporation (MEE), thermal vapor recompression (TVR) heat pump and mechanical vapor recompression (MVR) heat pump technology were applied to the conventional evaporation crystallization process. The MVR and TVR technology can both make full use of the secondary steam heating materials that will save energy. In addition, Aspen Plus (Version 7.3) was used to simulate the processes of the electrolyte-containing system under the ELECNTRAL thermodynamic model. For the better evaluation of various evaporation crystallization processes, some important evaluation indexes, such as energy consumption, annual total cost (ATC) and exergy loss were chosen as objective functions. Compared with the double-effect evaporation crystallization process coupled with TVR heat pump technology, the results indicated that the double-effect evaporation crystallization process coupled with MVR heat pump technology can save energy consumption and ATC by 80.52% and 15.32% respectively. Furthermore, the MVR heat pump technology takes the lowest effective energy loss, which is a more competitive factor of evaporation crystallization process of bittern.
VL  - 8
IS  - 3
ER  -

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Author Information

Deming Yang

College of Petrochemical Engineering, Changzhou University, Changzhou, China
Bingqin Leng

College of Petrochemical Engineering, Changzhou University, Changzhou, China
Tao Li

College of Petrochemical Engineering, Changzhou University, Changzhou, China
Ming Li

College of Petrochemical Engineering, Changzhou University, Changzhou, China

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Plain Text BibTeX RIS

APA Style

Deming Yang, Bingqin Leng, Tao Li, Ming Li. (2020). Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology. American Journal of Chemical Engineering, 8(3), 54-62. https://doi.org/10.11648/j.ajche.20200803.11

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ACS Style

Deming Yang; Bingqin Leng; Tao Li; Ming Li. Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology. Am. J. Chem. Eng. 2020, 8(3), 54-62. doi: 10.11648/j.ajche.20200803.11

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AMA Style

Deming Yang, Bingqin Leng, Tao Li, Ming Li. Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology. Am J Chem Eng. 2020;8(3):54-62. doi: 10.11648/j.ajche.20200803.11

Copy | Download

@article{10.11648/j.ajche.20200803.11,
  author = {Deming Yang and Bingqin Leng and Tao Li and Ming Li},
  title = {Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology},
  journal = {American Journal of Chemical Engineering},
  volume = {8},
  number = {3},
  pages = {54-62},
  doi = {10.11648/j.ajche.20200803.11},
  url = {https://doi.org/10.11648/j.ajche.20200803.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajche.20200803.11},
  abstract = {This work keeps an eye on the energy saving research on evaporation crystallization process of bittern. Based on the thermo sensitivity of solubility of various salts in bittern, the magnesium salts are purified. The conventional evaporation crystallization process used to separate the bittern demands high energy consumption and has low thermodynamic efficiency. Therefore, the multi-effect evaporation (MEE), thermal vapor recompression (TVR) heat pump and mechanical vapor recompression (MVR) heat pump technology were applied to the conventional evaporation crystallization process. The MVR and TVR technology can both make full use of the secondary steam heating materials that will save energy. In addition, Aspen Plus (Version 7.3) was used to simulate the processes of the electrolyte-containing system under the ELECNTRAL thermodynamic model. For the better evaluation of various evaporation crystallization processes, some important evaluation indexes, such as energy consumption, annual total cost (ATC) and exergy loss were chosen as objective functions. Compared with the double-effect evaporation crystallization process coupled with TVR heat pump technology, the results indicated that the double-effect evaporation crystallization process coupled with MVR heat pump technology can save energy consumption and ATC by 80.52% and 15.32% respectively. Furthermore, the MVR heat pump technology takes the lowest effective energy loss, which is a more competitive factor of evaporation crystallization process of bittern.},
 year = {2020}
}

Copy | Download

TY  - JOUR
T1  - Energy Saving Research on Multi-effect Evaporation Crystallization Process of Bittern Based on MVR and TVR Heat Pump Technology
AU  - Deming Yang
AU  - Bingqin Leng
AU  - Tao Li
AU  - Ming Li
Y1  - 2020/06/17
PY  - 2020
N1  - https://doi.org/10.11648/j.ajche.20200803.11
DO  - 10.11648/j.ajche.20200803.11
T2  - American Journal of Chemical Engineering
JF  - American Journal of Chemical Engineering
JO  - American Journal of Chemical Engineering
SP  - 54
EP  - 62
PB  - Science Publishing Group
SN  - 2330-8613
UR  - https://doi.org/10.11648/j.ajche.20200803.11
AB  - This work keeps an eye on the energy saving research on evaporation crystallization process of bittern. Based on the thermo sensitivity of solubility of various salts in bittern, the magnesium salts are purified. The conventional evaporation crystallization process used to separate the bittern demands high energy consumption and has low thermodynamic efficiency. Therefore, the multi-effect evaporation (MEE), thermal vapor recompression (TVR) heat pump and mechanical vapor recompression (MVR) heat pump technology were applied to the conventional evaporation crystallization process. The MVR and TVR technology can both make full use of the secondary steam heating materials that will save energy. In addition, Aspen Plus (Version 7.3) was used to simulate the processes of the electrolyte-containing system under the ELECNTRAL thermodynamic model. For the better evaluation of various evaporation crystallization processes, some important evaluation indexes, such as energy consumption, annual total cost (ATC) and exergy loss were chosen as objective functions. Compared with the double-effect evaporation crystallization process coupled with TVR heat pump technology, the results indicated that the double-effect evaporation crystallization process coupled with MVR heat pump technology can save energy consumption and ATC by 80.52% and 15.32% respectively. Furthermore, the MVR heat pump technology takes the lowest effective energy loss, which is a more competitive factor of evaporation crystallization process of bittern.
VL  - 8
IS  - 3
ER  -

Copy | Download