Vapor stripping process

Details Vapor stripping process Vapor stripping process

1979-01-04

1980-11-04

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 22R, 134 31, 134 37, 134 38, 134 40, B08B 500

Patent

active

042318050

ABSTRACT:
Coatings, such as paint or oil, are stripped from the surface of a coated object by circulating a stream of a stripping composition in a gaseous state at ambient temperature and pressure into contact with the surface. The stripping composition is normally a liquid at ambient temperature and pressure and has a partial pressure of at least 5 mm. Hg. at ambient conditions. The contacting procedure is conducted substantially in the absence on the surface of liquid condensate of the stripping composition. Alternatively, contacting is carried out with neither the stripping composition nor the surface being above ambient temperature and with at least one of them being cooled below ambient temperature.

REFERENCES:
patent: 2756168 (1956-07-01), Ruggles
patent: 3391085 (1968-07-01), Crockett

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