Non-destructive vibratory cleaning system for reverse osmosis an

Details Non-destructive vibratory cleaning system for reverse osmosis an Non-destructive vibratory cleaning system for reverse osmosis an

1979-12-12

1981-03-03

Spear, Jr., Frank A.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

2104332, B01D 3100

Patent

active

042539625

ABSTRACT:
Non-destructive vibratory cleaning of reverse osmosis and ultra filtration membranes is accomplished by strategically positioning a plurality of ultrasonic transducers and using a frequency modulating sweep system to vibrate various and different transducers for vibrating liquid adjacent the membrane to be cleaned while preventing long period standing waves from being produced and/or continuously move a transducer along a filter module during cleaning to provide intense ultrasonic energy while preventing formation of membrane destructive standing waves.

REFERENCES:
patent: 2578505 (1951-12-01), Carlin
patent: 3386583 (1968-06-01), Merten
patent: 3491022 (1970-01-01), Huff
patent: 4158629 (1979-06-01), Sawyer

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