US PATENT SUBCLASS 423 / 232
.~.~ Utilizing carbonate as reactant

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

210  DF  MODIFYING OR REMOVING COMPONENT OF NORMALLY GASEOUS MIXTURE {11}
220  DF  .~ Carbon dioxide or hydrogen sulfide component {9}
232.~.~ Utilizing carbonate as reactant {1}
233  DF  .~.~.~> And regenerating reactant by incoming actifying gas

DEFINITION

Classification: 423/232

(under subclass 220) Processes in which the treating material comprises a carbonate (CO3[end subscrpt][supscrpt]2-[end supscrpt]) or bicarbonate (HCO3-) compound in solution.