By flotation of the insoluble materials and sylvite of an ore of potassium hydroxide

摘要

By flotation of the insoluble materials and sylvite of an ore of potassium hydroxide; eliminated the materials which are insoluble minerals, potash by flotation foam by using a small quantity of an aliphatic primary or secondary amine or an ether - aliphatic amine primary as collector in combination with a flocculant, in the case of an aliphatic amine, the collector may be the same as the collector used in the flotation foam subsequent for recover the sylvite of the ore.