磷石膏的发展及其在石膏板中的应用

Development and Application of Phosphogypsum in Plasterboard

磷石膏是一种重要的磷化工固体废弃物,其处置技术与应用领域等得到了快速的发展。目前国内外在磷石膏的应用率在逐年上升,主要应用于建材、化工和农业等领域。由于磷石膏中含有多种杂质成分,在制备纸面石膏板中存在诸多问题。未来对于磷石膏的大规模利用,其预处理技术与生产工艺改进将是研究重点。

Phosphogypsum is a kind of important solid waste in phosphorus chemical industry. The applica-tion rate of phosphogypsum is increasing year by year, which has been mainly used in building materials, chemical industry and agriculture. Due to many impurities in phosphogypsum, there have been many troubles in the preparation of plasterboard. For the large-scale utilization of phosphogypsum, the pretreatment technology and improved production process will be the future focus of research.