06120688 is referenced by 68 patents and cites 24 patents.

A method of purifying impure water to provide drinking water using an apparatus, the method comprising the steps of providing a microfiltration unit, a reverse osmosis unit and a CIP (clean-in-place) tank containing retentate interconnected to permit backflushing the microfiltration filter with retentate and continued or uninterrupted operation of the reverse osmosis unit by directing retentate thereto.

Title
Portable reverse osmosis unit for producing drinking water
Application Number
9/20726
Publication Number
6120688
Application Date
February 9, 1998
Publication Date
September 19, 2000
Inventor
Martin J Hauschild
Burlington
CA
Henry Behmann
Puslinch
CA
Ake Deutschmann
Burlington
CA
Frederick J Daly
Burlington
CA
Agent
Andrew Alexander
Assignee
Zenon Environmental
CA
IPC
B01D 63/00
B01D 61/00
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