Method for cleaning material contaminated with greasy or oily su

Details Method for cleaning material contaminated with greasy or oily su Method for cleaning material contaminated with greasy or oily su

1994-03-31

1995-03-28

Andrews, Melvyn J.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 19, 134 21, 134 31, 134 40, B08B 504, C23G 500

Patent

active

054013216

ABSTRACT:
The parts are heated by conduction and radiation while the chamber is evacuated, whereupon the chamber is sealed air-tight and the parts are also heated by condensation of vapors from the grease and oil. When the parts reach a constant temperature the chamber is again evacuated, causing the temperature of the parts to drop as condensate thereon evaporates. Finally, the chamber is returned to atmospheric pressure and the cleaned parts are removed.

REFERENCES:
patent: 4032033 (1977-06-01), Chu et al.
patent: 4098005 (1978-07-01), Wiarda
patent: 4141373 (1979-02-01), Kartanson et al.
patent: 5114495 (1992-05-01), Mainz

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