US PATENT SUBCLASS 502 / 40
.~.~.~ And adding heat by admixing solid heat carrier

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

20  DF  REGENERATING OR REHABILITATING CATALYST OR SORBENT {4}
34  DF  .~ Gas or vapor treating {5}
38  DF  .~.~ Treating with free oxygen containing gas {8}
40.~.~.~ And adding heat by admixing solid heat carrier

DEFINITION

Classification: 502/40

And adding heat by admixing solid heat carrier:

(under subclass 38) Process in which a transfer of heat is effected by intimately contacting the spent material and/or treating gas with extraneous material having a higher temperature.

(1) Note. Extraneous solid material includes recycled regenerated material which may be mixed with incoming spent material to cool such regenerated material and preheat the spent material.