Reversing membrane wetting in membrane distillation: comparing dryout to backwashing with pressurized air

Author:

Warsinger David M.1234ORCID,Servi Amelia5634ORCID,Connors Grace B.1234,Mavukkandy Musthafa O.7891011ORCID,Arafat Hassan A.7891011ORCID,Gleason Karen K.5634ORCID,Lienhard V John H.1234ORCID

Affiliation:

1. Rohsenow Kendall Heat Transfer Laboratory

2. Department of Mechanical Engineering Massachusetts Institute of Technology

3. Cambridge

4. USA

5. Department of Chemical Engineering

6. Massachusetts Institute of Technology

7. Institute Center for Water and Environment (iWATER)

8. Department of Chemical and Environmental Engineering

9. Masdar Institute of Science and Technology

10. Abu Dhabi

11. United Arab Emirates

Abstract

Wetting of saline water through membrane distillation pores can be reversed with either drying out the membrane, or more effectively, by backwashing with pressurized air to force out wetting feed water.

Publisher

Royal Society of Chemistry (RSC)

Subject

Water Science and Technology,Environmental Engineering

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