Sustainable recycling of refrigerants: Analysis of alternatives

J. Moreno, I. Karpov, A. Ahmed, J. Foglia, H. Wu, A. Gadekar, P. L.J. Swinkels, R. Gani

Research output: Chapter in Book/Conference proceedings/Edited volumeChapterScientific

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Abstract

The use of refrigerants has been continuously increasing in thermal control systems employed in residential premises, offices, storage, process operations and many more. Widely used refrigerants such as R-410A have become a target for regulations to prohibit their use because of environmental issues. R-410A is a blend of R-32 (Difluoromethane) and R-125 (Pentafluoroethane). Because of high global warming potential (GWP) of R-125, it has become a target for removal from R-410A and reuse. An additional issue is the recovery of the refrigerant from current and decommissioned thermal control units. This paper reports the results of an investigation related to the separation of refrigeration blend compounds, recycle and reuse of the refrigerant mixture compounds and alternative blend compositions, with emphasis on environmental, health and physical hazards as well as optimal refrigeration cycle operation. Two alternatives for feasibility of operating a continuous separation-recycling process are studied.

Original languageEnglish
Title of host publicationComputer Aided Chemical Engineering
EditorsAntonis Kokossis, Michael C Georgiadis, Efstratios N. Pistikopoulos
PublisherElsevier
Pages2501-2507
ISBN (Electronic)978-0-443-15274-0.50398-X
DOIs
Publication statusPublished - 2023

Publication series

NameComputer Aided Chemical Engineering
Volume52
ISSN (Print)1570-7946

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • global warming potential
  • R-125
  • R-32
  • R-410A
  • recycling
  • Refrigerant blends
  • safety-health-environmental hazards

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