US PATENT SUBCLASS 588 / 230
.~.~ Using a gaseous heat carrier

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

205  DF  ORGANIC SUBSTANCE DESTROYED {8}
228  DF  .~ Heating or vacuum used to drive off or produce a volatile substance {2}
230.~.~ Using a gaseous heat carrier

DEFINITION

Classification: 588/230

Using a gaseous heat carrier:

(under subclass 228) 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.