Cleaning liquid systems including controlled heating and cooling

Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...

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134 17, 134 22C, 134 34, 134107, 134108, 134111, 184 1E, B08B 310

Patent

active

039486796

ABSTRACT:
A method for removing adherent deposits from metal surfaces is disclosed. The method comprises contacting the adherent deposits with a liquid and then heating and cooling the liquid in alternation for a time sufficient to dislodge the deposits from the surfaces.

REFERENCES:
patent: 1191451 (1916-07-01), Morterud
patent: 2076847 (1937-04-01), Johnston
patent: 2254980 (1941-09-01), Simmons
patent: 2600820 (1952-06-01), Whatley
patent: 3029898 (1962-04-01), Fraser
"Report By Turbine Oil System Cleaning Task Force", Power Station Chemistry Subcommittee, Prime Movers Committee, EEI; Apr. 30, 1973.

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