Abstract
Abstract Cellulose acetate membranes (osmonics) were characterized in terms of pure water permeability constant (A), solute transport parameter (DAM/K[sgrave] ), and mass transfer coefficient (k) with sodium chloride solution as the reference system. Reverse osmosis behavior of sulfate, nitrate, ammonia, and some metal ions was studied as a function of pressure in the range of 100 to 300 psig. Quirke tailings containing nitrate, sulfate, ammonia, and metal ions such as Ca, Mg, Fe, Cu, and Zn were subjected to reverse osmosis at 300 psig, and product water of suitable quality for use in recycle operations was obtained.
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