Reverse osmosis treatment process

Details Reverse osmosis treatment process Reverse osmosis treatment process

1991-02-14

1993-11-30

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210641, 210652, B21D 6112

Patent

active

052662020

ABSTRACT:
This invention relates to a reverse osmosis treatment process, particularly a stable reverse osmosis treatment process which prevents a lowering in throughput capacity by carrying out treatment while keeping the permeate flux of a reverse osmosis membrane constant through the time of use of a module. The process of this invention can keep the throughput capacity constant, can prevent adhesion and pollution onto membrane surfaces and fouling thereon, and moreover can maintain stable operation in a continuous run.

REFERENCES:
patent: 3836457 (1974-09-01), Gross et al.
patent: 4176057 (1974-11-01), Wheatley et al.
patent: 4670150 (1987-06-01), Hsiung et al.
Sourirajan, S. Editor, Reverse Osmosis and Synthetic Membranes, Nat. Res. Con. Canada No. 15627, 1977, pp. 417-443, 448, 449.
Klinkowski, P. R. "Ultrafiltration: An Emerging Unit-Operation", in Sep. Tech. 1, Liq.-Liq. Systems, Larry Ricci, Ed., Chem. Eng. McGraw-Hill, May 8, 1978.
Kesting, Robert E., Synthetic Polymeric Membranes, McGraw-Hill Book Co., N.Y., 1971, p. 33.
U.S. Dept. of Commerce, Patent Office Academy Formality Term List, Topic 7d, 1977.
Hiddink et al., J. Dairy Sci, 63, pp. 204-214 (1980), No. 2.
Lim, T. H., et al., J. Dairy Sci., 54, pp. 306-311 (1971), No. 3.
Smith, B. R., Aust. J. Dairy Tech., 33, pp. 57-62, Jun. 1978.

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