.~.~ Utilizing solid sorbent, catalyst, or reactant
DEFINITION
Classification: 423/247
(under subclass 246) Processes in which the treating material is in the solid-state and functions to (1) modify a component, (2) attract and retain a component or (3) react with and chemically change a constituent.
SEE OR SEARCH THIS CLASS, SUBCLASS:
212+, for a process in which a solid sorbent, catalyst or reactant is used to separate or remove carbon monoxide from the exhaust of an internal combustion engine.
223, for a process of treating a gaseous mixture to separate or purify carbon dioxide or hydrogen sulfide with a reactant containing boron, phosphorus or arsenic, which reactant may be in the solid-state.
230+, 239 and 244 for processes for separating or purifying a gaseous mixture by using a solid catalyst, sorbent or reactant where a constituent is carbon dioxide or hydrogen sulfide, nitrogen or a nitrogenous compound or sulfur or a compound thereof respectively.
