Effect of temperature and salt on PVDF membrane wetting properties | Zendy

Kefan Jiang | Zendy; Hooman Chamani | Zendy; Takeshi Matsuura | Zendy; Dipak Rana | Zendy; Christopher Q. Lan | Zendy

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Effect of temperature and salt on PVDF membrane wetting properties

Author(s) -

Kefan Jiang,

Hooman Chamani,

Takeshi Matsuura,

Dipak Rana,

Christopher Q. Lan

Publication year - 2021

Publication title -

journal of construction materials

Language(s) - English

Resource type - Journals

ISSN - 2652-3752

DOI - 10.36756/jcm.si1.2

Subject(s) - wetting , membrane distillation , polyvinylidene fluoride , contact angle , membrane , materials science , salt (chemistry) , chemical engineering , composite material , chemistry , polymer , desalination , organic chemistry , biochemistry , engineering

Membrane distillation (MD) is a thermally driven separation process. Despite many advantages over other membrane separation processes, pore wetting hampers the wide commercial applications of the MD process. In this paper, the effect of temperature and presence (or absence) of salt in the feed solution on the wetting properties of commercial polyvinylidene fluoride (PVDF) membrane during a period of eight weeks was investigated. Liquid entry pressure (LEP) and water contact angle (WCA) were employed to characterize the wetting properties of the PVDF membrane. The result shows that the temperature has a significant impact on the decrease of the contact angle of the PVDF membrane.

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