.~ Including regeneration, purification, recovery or separation of agent used {3}
13
.~.~ By crystallizing, precipitating, or eliminating dissolved solids from used agent
DEFINITION
Classification: 134/13
(under subclass 10) Processes which include any one or any combination of: crystallizing, precipitating, or otherwise removing part or all of dissolved, undesired solid matter from a used agent.
SEE OR SEARCH THIS CLASS, SUBCLASS:
10, for physical separation of solids not in a dissolved state that contaminate the used agent.
12, for such separation involving distilling.
SEE OR SEARCH CLASS
23, Chemistry: Physical Processes, appropriate subclasses, for the separation of an inorganic chemical from a mixture,
and 295+, for miscellaneous processes of crystallizing.
260, Chemistry of Carbon Compounds, appropriate subclasses for the separation of an organic compound from a mixture, and
707, for processes of crystallizing organic compounds.
585, Chemistry of Hydrocarbon Compounds,
812, for a crystallization process to recover a hydrocarbon.