Process and apparatus for cryogenically cleaning residue from co

Details Process and apparatus for cryogenically cleaning residue from co Process and apparatus for cryogenically cleaning residue from co

1994-03-07

1995-10-10

Kilner, Christopher

Refrigeration

Processes

Treating an article

62 521, 62373, 134 17, 241 65, 241DIG37, F25D 1702, B02C 1108, B08B 704

Patent

active

054560853

ABSTRACT:
A method and apparatus for the cleaning of residue from the surface of a container where the method comprises cooling a container and residue adhered to the container surface to a low temperature, substantially embrittling the residue and then impacting the container to fragment and separate the residue from the surface of the container. The cooling may be effected by contacting cold vaporized cryogen to the residue and container in an insulated box having a cryogen sprayer, an opening, and a door. A method for reducing the bulk volumes of containers comprising cooling the container to a low temperature to substantially embrittle the container and then stressing the container to fracture and break apart the embrittled portions and thereby reduce the bulk volume of the container.

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