Partial Demineralization of Brackish Waters by Ion Exchangeby Robert L. Sanks,
Warren J. Kaufman,
Serial Information: Journal of the Sanitary Engineering Division, 1966, Vol. 92, Issue 6, Pg. 57-84
Document Type: Journal Paper
Interest in extending the usable water sources of the United States to include the extensive brackish water resources has prompted the investigation of a number of processes for demineralizing saline waters. To determine the economic feasibility of ion exchange, an investigation was made to optimize the operating variables of exchange systems consisting of strong-acid cation and weak-base anion resins. Salinities up to 200 mg/1 were investigated in pilot plant studies which simulated in all respects the proposed prototype operations. Net or operating exchange efficiencies varying from 67% to 93% were achieved by countercurrent operation, the re-use of regenerants, the use of low regeneration levels, and minimizing rinse water. Economic analyses indicate that ion exchange can be competitive with other methods.
Subject Headings: Salt water | Ion exchange | Water resources | Economic factors | Salinity | Water conservation | Feasibility studies | North America | United States
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