Innovative integration of a series-module membrane distillation plant with a double-effect absorption refrigerator

Naef A.A. Qasem*, Gubran A.Q. Abdulrahman, Isam H. Aljundi, Ayman M. Abdallah

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This study investigates the powering of a series-multistage membrane distillation (DCMD) plant by the heat released from absorber and condenser of a double-effect vapor-absorption refrigerator (VAR). In such a way, two products (freshwater and cooling effect) are obtained with low energy consumption. The feed of the DCMD plant is split to cool the VAR condenser and absorber and get sufficient heat to drive the series-module DCMD plant. Under the applied conditions, the proposed system shows performance better than the standalone VAR and DCMD systems. Also, series-multistage DCMD performs better than the parallel one suggested in the literature under the same operating conditions. The optimal performance indices show that the produced water is 1443 L/h, the cooling capacity is 123.4 ton of refrigeration (TR), the coefficient of performance (COP) is 1.09, the gained output ratio (GOR) is 2.42, the overall energy efficiency (energy utilization factor, EUF) is 3.50, the freshwater cost is 3.87 $/m3, and the cooling effect cost is 0.0047 $/kWh.

Original languageEnglish
Article number102498
Pages (from-to)78598903
Number of pages1
JournalCase Studies in Thermal Engineering
Volume40
DOIs
StatePublished - Dec 2022

Bibliographical note

Publisher Copyright:
© 2022 The Authors.

Keywords

  • Cooling effect
  • Coupling
  • DCMD
  • Series modules
  • VAR
  • Water production

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Fluid Flow and Transfer Processes

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