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Removal of Total Suspended Solid and Polysaccharide in Seawater using Polysulfone Ultrafiltration Membrane

*Nia Yusmaydiyanti  -  Department of Environmental Engineering, Faculty of Engineering, Diponegoro University, Jl. Prof. Soedarto, Tembalang, Semarang 50275, Indonesia, Indonesia
Ria Desiriani  -  Membrane Research Center, Integrated Laboratory for Research and Services, Diponegoro University, Jl. Prof. Soedarto, Tembalang Semarang 50275, Indonesia
Yunita Fahni  -  Membrane Research Center, Integrated Laboratory for Research and Services, Diponegoro University, Jl. Prof. Soedarto, Tembalang Semarang 50275, Indonesia
Open Access Copyright 2021 Journal of Membranes and Materials under http://creativecommons.org/licenses/by-sa/4.0.

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Abstract
The aim of this research measured the total removal of suspended solids and organic material in seawater using a polysulfone (PSf) ultrafiltration (UF) membrane. The results indicate that the salt concentration was significantly affected membrane flux. The lower flux of the membrane was obtained by a high content of the salt concentration. The fouling potential in decreasing the flux value was more dominant in the polysaccharide feed than the TSS feed. However, the fouling potential occurs more obviously in the mixed feed (TSS + polysaccharide), resulting in lower flux and higher rejection. PSf UF membranes successfully remove 93% of polysaccharides in a single feed, 95% in mixed feed, and 100% of suspended solids in a single feed and mixture.
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Keywords: Polysaccharide; Polysulfone; Seawater; Total Suspended Solid

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