05520816 is referenced by 45 patents and cites 17 patents.

The present invention is directed to a water desalination system that can be used in a home or commercial entity which uses a reverse osmosis or nanofilter membrane element in a unique flow configuration which promotes self cleaning of a membrane element to prevent a buildup of salts and minerals on the membrane surface. The systems use the dynamics of water usage in a water service line, not connected to the membrane to flush a recirculation/reservoir tank that feeds the reverse osmosis or nanofilter membrane periodically. The systems also produce little or no waste effluent that must be dumped into a waste system, thereby wasting water and causing an environmental problem.

Title
Zero waste effluent desalination system
Application Number
8/292037
Publication Number
5520816
Application Date
August 18, 1994
Publication Date
May 28, 1996
Inventor
Theodore A Kuepper
4907 Marlin Way, Oxnard, 93035
CA, US
Agent
Marvin E Jacobs
IPC
B01D 61/12
B01D 61/06
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