Pilot testing of reverse osmosis for salinity and organics control in a coastal supply source

The results of pilot testing demonstrate that RO can be used successfully on conventionally treated Northwest River water to control seasonal salinity increases and reduce disinfection by-products in the finished water to the more stringent levels anticipated under the forthcoming disinfectants/disi...

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Bibliographic Details
Published in:Desalination 1995, Vol.103 (1), p.133-145
Main Authors: Sanders, Francis E., Lozier, James C.
Format: Article
Language:English
Subjects:
Applied sciences
Brackish
Disinfection
Drinking water and swimming-pool water. Desalination
Exact sciences and technology
Filtration
Fouling
Freshwater
Organic compounds
Pollution
Q1
Sedimentation
Water treatment
Water treatment and pollution
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Summary:The results of pilot testing demonstrate that RO can be used successfully on conventionally treated Northwest River water to control seasonal salinity increases and reduce disinfection by-products in the finished water to the more stringent levels anticipated under the forthcoming disinfectants/disinfection by-products (D/DBP) rule. Both cellulose acetate (CA) and thin-film composite (TFC) membranes can be operated satisfactorily on alumtreated river water. As anticipated, the CA membranes demonstrate lower levels of fouling; however, the TFC membrane provide greater organics removals. The membranes most appropriate for the future full-scale plant will be determined from a present-worth cost evaluation of CA and TFC membrane capital and operating costs.
ISSN:0011-9164
1873-4464
DOI:10.1016/0011-9164(95)00095-X