PROCEDIMENTO PER L'ARRICCHIMENTO DEL TENORE IN ZEOLITI DI SOTTOPRODOTTI DELLE CAVE DI BLOCCHETTI DI "TUFO LITOIDE"
Scrap, waste and sawings from "tufa stone" quarries are rich in zeolites (cabasite, phillipsite +/- analcime). A 1st concentrate of zeolites is obtained from the various types of waste, removing black slags and (inert) decimetre-sized larva inclusions on the basis of their dark color. A se...
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