Title: Method for producing rare earth drier
Application Number: 98113249 Application Date: 1998.06.16
Publication Number: 1204673 Publication Date: 1999.01.13
Approval Pub. Date: Granted Pub. Date: 2000.08.23
International Classifi-cation: C09F9/00
Applicant(s) Name: Guangdong Pharmaceutical College Address: 510240
Inventor(s) Name:
Attorney & Agent: lin limeng
Abstract:
     A process for preparing rare-earth drying accelerant includes such technological steps as mixing inorganic alkali with rare-eath compound, reaction to obtain nascent state rare-earth hydroxide, addition of metering organic acid for reaction, adding hydrocarbon solvent for continuous reaction, laying aside and separating supernatant, and features simple process, high output rate, and low requirement to apparatus.
Time: 3
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