Cleaning reactors contaminated with carboxyl containing polymers

Details Cleaning reactors contaminated with carboxyl containing polymers Cleaning reactors contaminated with carboxyl containing polymers

1981-01-30

1982-08-24

Turk, Arnold

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 2219, 134 38, 252 891, 252133, 25217421, 252558, 252DIG8, 252DIG14, B08B 308, B08B 310, B08B 908

Patent

active

043459498

ABSTRACT:
Polymerization reactor surfaces coated with carboxyl containing polymers may be readily cleaned by filling the polymerization reactor with an aqueous solution of a surface active agent and a polyvalent metal salt and heating to remove the polymer coating.

REFERENCES:
patent: 2798053 (1957-07-01), Brown
patent: 3998654 (1976-12-01), Falaas et al.
patent: 4105574 (1978-08-01), Culmone et al.
patent: 4130674 (1978-12-01), Roberts et al.

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