Enrichment of carbonatephosphate ores by calcination and ...
Int. J. Miner. Process. 43 (1995) 113121 Enrichment of carbonatephosphate ores by calcination and air separation Tiit Kaljuvee, Rein Kuusik *, Mihkel Veiderma Laboratory of Inorganic Technology, Institute of Chemistry, Tallinn Technical University, Akadeemia tee 1, Tallinn, EE 0108, Estonia Received 27 May 1993; accepted after revision 6 June 1994 Abstract The possibility of calcination ...