US PATENT SUBCLASS 588 / 241
.~.~ Using a gaseous heat carrier

Current as of: June, 1999
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588 /   HD   HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT

238  DF  CHALCOGEN CONTAINING SUBSTANCE DESTROYED (O, S, Se, or Te) {3}
240  DF  .~ Heating or vacuum used to drive off or produce a volatile substance {1}
241.~.~ Using a gaseous heat carrier

DEFINITION

Classification: 588/241

Using a gaseous heat carrier:

(under subclass 240) Process wherein a gaseous heat carrier is used, in the hazardous or toxic waste treating process, to either capture, recycle, or add external heat to the process.