Composicion que comprende al menos un compuesto de amonio cuaternario, un agente antiespumante y un solvente; proceso para hacer flotar de manera inversa los minerales de silicato de magnesio a partir del mineral de carbonato de calcio.

摘要

Foam prevention in the reverse flotation process for purifying calcium carbonate This invention relates to an composition, comprising
A) at least one quaternary ammonium compound which is a collector for the reverse flotation of magnesium minerals from calcium carbonate
B) at least one antifoam agent
C) a solvent
and its use in the reverse flotation of calcium carbonate.