Integrating pressure retarded osmosis and membrane distillation

Adewale Giwa, Shadi W. Hasan

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

3 Scopus citations

Abstract

The recent advances and progress in pressure retarded osmosis-membrane distillation (PRO-MD) hybrid systems in terms of osmotic heat engines, newly devised configurations, and current drive to use various feed water types such as reclaimed water, treated wastewater effluent, and rain water are presented in this chapter. This review is a short review because research on PRO-MD systems is limited and the progress in this area has only been recorded recently. Newly reported performance values are also provided. A hybrid system that combines a multistage vacuum MD with PRO has shown capability to continuously produce the distillate and a very concentrated brine that can be used as the draw solution in PRO. Closed loop systems have also shown improved performance indices related to power density and energy efficiency in recent studies. More recently, PRO-MD hybridized with reverse osmosis (RO) in MD-PRO-RO systems have shown the potential to offer more sustainable osmotic power recovery and lower environmental footprints.

Original languageBritish English
Title of host publicationCurrent Trends and Future Developments on (Bio-) Membranes
Subtitle of host publicationMembrane Desalination Systems: The Next Generation
PublisherElsevier
Pages351-363
Number of pages13
ISBN (Electronic)9780128135518
ISBN (Print)9780128135525
DOIs
StatePublished - 1 Jan 2018

Keywords

  • Membrane distillation
  • Osmotic power
  • Pressure retarded osmosis
  • PRO-MD

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