Method of cleaning fouled heat exchangers and other equipment

Details Method of cleaning fouled heat exchangers and other equipment Method of cleaning fouled heat exchangers and other equipment

1979-03-02

1980-03-04

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 22R, 134 26, 134 30, B08B 308

Patent

active

041915887

ABSTRACT:
Heat exchangers and other equipment whose surfaces have become fouled with sludge deposits that comprise a cuprous halide are cleaned by contacting the fouled surfaces of the equipment with a cleaning solution that contains 5% to 35% by weight of an alkyl aluminum halide in a hydrocarbon solution and then washing the surfaces with a hydrocarbon solvent to remove loosened sludge and residual cleaning solution.

REFERENCES:
patent: 3256307 (1966-06-01), Mangham
patent: 3412124 (1968-11-01), Moretti et al.
patent: 3647843 (1972-03-01), Walker et al.
patent: 3651159 (1972-03-01), Long et al.
patent: 3856841 (1974-12-01), Merkl
patent: 3857869 (1974-12-01), Turnbo
patent: 4099984 (1978-07-01), Christenson et al.

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