PROCESS FOR SOFTENING OF MINE WATER

摘要

A process for softening of mine water, comprising the treatment of water with lime or with lime together with sodium aluminate, or lime and soda, and in case when water alkalinity is higher than its hardness, water is softened by adding to it of lime in quantity of from 1.4-1.6 g-eqv to 1 g-eqv of water hardness and sodium aluminate in quantity of 0.0-20 mg/dm, in the latter case lime is added into water in quantity of from 1.4-1.6 g-eqv to 1 g-eqv of hardness of water and soda in quantity of 0-106 mg/dm.