Method for cleaning heat exchangers in situ

Details Method for cleaning heat exchangers in situ Method for cleaning heat exchangers in situ

1980-08-11

1981-12-29

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 22R, 165 95, B08B 308, B08B 900

Patent

active

043080766

ABSTRACT:
A feed-effluent heat exchanger in a sour water stripping system having sour water stripping means, sour water storage means, and a stripper feed-effluent heat exchanger, is cleaned when the stripped water pathway in the heat exchanger becomes fouled, by passing sour water having a pH of greater than 8 from the storage means through the stripped water pathway in the exchanger at a temperature of at least 70.degree. F., and returning the sour water to the sour water storage means.

REFERENCES:
patent: 1049054 (1912-12-01), Coombs
patent: 4033407 (1977-07-01), Quintilliano
patent: 4143702 (1979-03-01), Barr
patent: 4155988 (1979-05-01), Karwat et al.

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