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Application filed by Fuller CofiledCriticalFuller Co
Priority claimed from PCT/US1997/003749external-prioritypatent/WO1997032174A1/en
Publication of MXPA97008339ApublicationCriticalpatent/MXPA97008339A/en
Publication of MX9708339ApublicationCriticalpatent/MX9708339A/en
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Abstract
The invention relates to a method for heat treatment of fine calcium carbonate bearing material comprising preheating fine material containing a coarse and a fine fraction. The preheated material is delivered into a fluidized bed (20) calcining means wherein the coarse fraction is calcined and the fine fraction is delivered by process air to an adjacent vertically arranged gas flash calciner furnace (60) in which it is calcined.
MX9708339A1997-02-271997-02-27Method for the calcination of calcium carbonate bearing materials.
MX9708339A
(en)