Comprehensive insights into performance of water gap and air gap membrane distillation modules using hollow fiber membranes
- Authors
- Im, Baek-Gyu; Francis, Lijo; Santosh, Ravichandran; Kim, Woo-Seung; Ghaffour, Noreddine; Kim, Young-Deuk
- Issue Date
- Mar-2022
- Publisher
- Elsevier BV
- Keywords
- Air gap membrane distillation; Water gap membrane distillation; Hollow fiber membrane; Optimal configuration; Theoretical modeling
- Citation
- Desalination, v.525, pp 1 - 15
- Pages
- 15
- Indexed
- SCIE
SCOPUS
- Journal Title
- Desalination
- Volume
- 525
- Start Page
- 1
- End Page
- 15
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/111293
- DOI
- 10.1016/j.desal.2021.115497
- ISSN
- 0011-9164
1873-4464
- Abstract
- A commercially available microporous polypropylene hollow fiber membranes were employed for air gap and water gap membrane distillation (i.e., AGMD and WGMD, respectively) processes. In both configurations, the outer surface of commercially available dense polypropylene hollow fibers was used as the condensing surface of the permeate. The performance levels of the AGMD and WGMD processes utilizing microporous polyvinylidene fluoride membranes fabricated in-house were compared with those using polypropylene membranes. Under the given specific operating conditions, the maximum mean permeation flux values in AGMD and WGMD using polypropylene hollow fiber membranes were approximately 24 and 27 kg/m(2)h, respectively. In addition, theoretical studies on AGMD and WGMD using the designed hollow fiber module configuration were performed. The predicted results were found to well agree with the experimental results, thus verifying their validity.
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