Production of Powders
Segmented flow comprising discrete volumes of a liquid reaction mixture separated by discrete volumes of immiscible fluid is passed through a tubular reactor for residence times sufficient to precipitate a powder product from the reaction mixture. USE-Manufacture of mixed oxalates of alkali, alkaline earth or transition metals or the powder product can also be an oxide, carbonate, hydroxide or hydroxy carbonate. ADVANTAGE-Powders have good homogeneity and a narrow range of particle sizes compared to powders obtained in conventional batch reactors.
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Brevet européen PCT Application No EP/97/03817
Record created on 2005-01-12, modified on 2016-08-08