摘要
介绍了国内外磷石膏开发利用的现状,包括磷石膏的选矿提纯,镧系元素回收及其作为建筑石膏、硫酸联产水泥、硫铵生产的原料和在农肥、填料、筑路材料、水泥添加剂等方面的应用。对我国磷石膏的开发利用提出了若干看法。
A review on the present situation of the devel-opment and utilization of phosphogypsum at home and abroad is done including beneficiation,recovery of Ln2O3 and applications to the production of construction gypsum,sulfuric acid and by-product cement,ammonium sul-fate as raw material,and to the areas of agriculture-fertilizer, filler, cement activities and so on. In addition,some suggestions on the future of the development and utilization of phosphogypsum at home were made.
关键词
磷石膏
综合利用
产品
开发
phosphogypsum, Comprehensive Utilization, Development of products.