Selected physical and chemical cleanings remove biofilm in seawater membrane distillation without causing pore wetting

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Abstract

Membrane distillation (MD) is an emerging process with a proven ability to recover freshwater from streams with a wide range of salinities. However, MD is susceptible to biofouling. This study explores the efficiency of different cleaning strategies in biofilm removal during seawater MD. Hydraulic cleaning and chemical cleanings with 0.3%w w−1 ethylenediaminetetraacetic acid (EDTA), 0.3%w w−1 NaOCl, and 3%w w−1 citric acid were tested. The results showed that permeate flux recovery increased in the order of hydraulic cleaning
Original languageEnglish (US)
Journalnpj Clean Water
Volume6
Issue number1
DOIs
StatePublished - Sep 5 2023

Bibliographical note

KAUST Repository Item: Exported on 2023-09-08
Acknowledgements: This study was supported by King Abdullah University of Science and Technology (KAUST), Saudi Arabia. The authors acknowledge help, assistance, and support from the Water Desalination and Reuse Center (WDRC) and KAUST staff.

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