Comparing nanofiltration membranes effectiveness for inorganic and organic compounds removal from a wastewater-reclamation plant's micro-filtered water

Publisher:
ELSEVIER
Publication Type:
Conference Proceeding
Citation:
Materials Today: Proceedings, 2021, 47, pp. 1389-1393
Issue Date:
2021-01-01
Full metadata record
The study compared five NF membranes with varied water contact angles and molecular weight cut-off (MWCO) values for their effectiveness to remove dissolved organic carbon (DOC) and inorganic ions from micro-filtered water obtained from a wastewater-reclamation plant. The NF 90 membrane with the highest contact angle (790, least hydrophilic) and one with the lowest MWCO value ((90-200 Da) was the most efficient in removing DOC (88% rejection compared to 37-84% for the others) and inorganics (75% electrical conductivity rejection compared to 9-27% for the others). Of the 10 organic micropollutants in the feed water, >90% of 7 were removed.
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