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United States Patent | 3,552,574 |
Lowe , et al. | January 5, 1971 |
Reverse osmosis system provided with means for promoting turbulence and for scouring the membrane surface whereby to prevent concentration polarization and skinning (false membrane formation). These valuable results are attained by periodic movement of a plurality of free spheres in the interface zone, at or near the membrane surface.
Inventors: | Lowe; Edison (El Cerrito, CA), Durkee; Everett L. (El Sobrante, CA) |
Assignee: | |
Appl. No.: | 04/837,480 |
Filed: | June 30, 1969 |
Current U.S. Class: | 210/353 |
Current International Class: | A23C 9/00 (20060101); A23C 9/142 (20060101); B01d 013/00 () |
Field of Search: | 210/19,23,321,353,354,197,389 |
3228877 | January 1966 | Mahon |
3331772 | July 1967 | Brownscombe et al. |
3425562 | February 1969 | Hamer |
3449245 | June 1969 | Johnson et al. |
548,246 | Nov., 1957 | CA | |||
Reverse Osmosis . Roga Laboratory Revese Osmosis Unit Model III Applications Engineering Reverse Osmosis Program, Gulf General Atomic, P.O. Box 608, San Diego, California 92112 (714-297-4341). |