METHOD FOR GRANULATION OF PHOSPHOGYPSUM AND OTHER GYPSUM-CONTAINING PRODUCTS

摘要

Method for granulation of phosphogypsum and other gypsum-containing products by rolling of material with use of mineral powdered hydraulically active or inert additive. The granulation of phosphogypsum is carried out at humidity of 35- 40%, and the powdered additive is added to the area of granulation during rising of water to the surface of granules and their aggregation and the feed of additive is stopped after producing of granules of standard sizes.