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Operational optimization for mixed-refrigerant systems: use rigorous simulation to improve process efficiency.

Author(s) : ZHANG J., XU Q., LI K.

Type of article: Article

Summary

Since a refrigeration system can cool down a process stream far below the ambient temperature, it is indispensable to cryogenic cooling and separation operations in many chemical industries, such as the large-scale production of ethylene, oxygen, nitrogen and liquefied natural gas (LNG). From a thermodynamic viewpoint, a mixed-refrigerant system provides refrigeration over a range of temperatures, with smaller temperature differences at the lower temperatures. This leads to a smaller increase in entropy, or a smaller loss of energy.

Details

  • Original title: Operational optimization for mixed-refrigerant systems: use rigorous simulation to improve process efficiency.
  • Record ID : 30004861
  • Languages: English
  • Source: Hydrocarbon Processing - vol. 91 - n. 4
  • Publication date: 2012/04

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