我国脱硫石膏的综合利用现状与展望

Present situation and prospect of comprehensive utilization of desulfurization gypsum in China

在分析脱硫石膏基本性质的基础上,介绍了以脱硫石膏为原料生产水泥缓凝剂、石膏建材以及改良盐碱土等方面的应用现状,综述了脱硫石膏制备硫酸、高强石膏、硫酸钙晶须和碳酸钙等产品的研究现状,展望了脱硫石膏的应用前景,为提高脱硫石膏的利用率提供了一些可行性建议。

On the basis of analyzing the basic properties of desulfurization gypsum,this paper summarized the applica-tion status of desulfurization gypsum in cement retarder,gypsum building materials and saline alkali soil improvement,and introduced research status of desulfurization gypsum in the preparation of sulfuric acid,high-strength gypsum,cal-cium sulfate whisker and calcium carbonate.Prospects for the application of desulfurization gypsum are envisioned,and some feasible suggestions are provided on improving the utilization rate of desulfurization gypsum.