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The feasibility of employing nanofiltration for the removal of chromate from wastewater was investigated. Polybenzimidazole (PBI) was used to fabricate nanofiltration hollow fiber membrane with outstanding mechanical strength and chemical stability through the phase-inversion technique. The PBI NF membranes have a mean effective pore size of 0.348nm in radius, the molecular weight cut off of 525Da,...
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