Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1977-08-18
1979-01-23
Adee, John
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 23F, B01D 1300
Patent
active
041360257
ABSTRACT:
A method of cleaning a membrane such as an ultrafilter which has been used in the treatment of a cataphoretic paint containing lead is disclosed. The method involves treating the membrane with an aqueous solution of an acid which forms a water-soluble lead salt and a water-soluble organic solvent.
REFERENCES:
patent: 3827976 (1974-08-01), Stana et al.
Christenson Roger M.
Zwack Robert R.
Adee John
PPG Industries Inc.
Uhl William J.
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