Low-cost ceramic microfiltration membrane made from natural phosphate for pretreatment of raw seawater for desalination


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Output type: Journal article

UM6P affiliated Publication?: Yes

Author list: Belgada, Abdessamad; Achiou, Brahim; Younssi, Saad Alami; Charik, Fatima Zohra; Ouammou, Mohamed; Cody, Jason A.; Benhida, Rachid; Khaless, Khaoula

Publisher: Elsevier

Publication year: 2021

Journal: Journal of the European Ceramic Society (0955-2219)

Volume number: 41

Issue number: 2

Start page: 1613

End page: 1621

Number of pages: 9

ISSN: 0955-2219

Languages: English (EN-GB)


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Abstract

A novel ceramic microfiltration (MF) membrane was prepared from natural phosphate and its properties were thoroughly characterized. An investigation of the effect of sintering temperature on the features of phosphate membrane was carried out in the range from 900 to 1100 degrees C. The optimized membrane sintered at 1000 degrees C exhibits 697 L h(-1) m(-2) bar(-1) of permeability, 25.6 % of porosity, 0.26 mu m of average pore size and 19.7 MPa of flexural strength. When evaluated for filtration of raw seawater as a potential pretreatment for reverse osmosis desalination, the prepared membrane reduced total organic carbon (TOC) and turbidity by 73 and 98 %, respectively, as well as reducing silt density index (SDI) from 5.41 to 3.25. Furthermore, the fouling mechanism and the flux recovery were also studied. Finally, simple cleaning of the prepared membrane performed after the MF experiment led to recover 74 % of its original water flux.


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Last updated on 2021-23-06 at 23:17