Deposits method dissolving coke oven gas

Details Deposits method dissolving coke oven gas Deposits method dissolving coke oven gas

1997-03-12

1999-04-06

Warden, Jill

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 2219, 134 39, 134 40, 510264, 510501, B08B 308, C23G 5036

Patent

active

058912630

ABSTRACT:
The present invention provides a method of dissolving coke oven gas deposits comprising treating the deposits with a combination of a first amide and a second amide under conditions and at a ratio sufficient to dissolve a first amount of the deposit greater than a second amount of the deposit calculated based upon the proportional individual solvencies of the first amide and the second amide, wherein the first amide comprises N-methyl-2-pyrrolidinone.

REFERENCES:
patent: 3966589 (1976-06-01), Somekh
patent: 4108681 (1978-08-01), Lawson et al.
patent: 4188205 (1980-02-01), Fless
patent: 4509989 (1985-04-01), Summansky
patent: 4664786 (1987-05-01), Forte et al.
patent: 5225002 (1993-07-01), Stafford et al.

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