α-半水石膏生产工艺与应用研究进展  

Research progress of production technology and application of a-hemihydrate gypsum

作　　者：朱桂华 何宾宾[1,2] 杨文娟 龚丽 姜威[1,2] 符义忠 王孟来[1,2] 史鑫 ZHU Guihua;HE Binbin;YANG Wenjuan;GONG Li;JIANG Wei;FU Yizhong;WANG Menglai;SHI Xin(Yunnan Phosphate Group Co.,Ltd.,Kunming 650600,China;National Engineering and Technology Research Center for Development&Utilization of Phosphorous Resources,Kunming 650600,China)

机构地区：[1]云南磷化集团有限公司,云南昆明650600 [2]国家磷资源开发利用工程技术研究中心,云南昆明650600

出　　处：《磷肥与复肥》2023年第5期23-28,共6页Phosphate & Compound Fertilizer

摘　　要：α-半水石膏为二水石膏脱水形成的中间产物,因其胶凝硬化体组织紧密、硬度大,具备较高的热力学性能和生态兼容性,被广泛应用于中端建筑以及精密模具等行业中,在绿色建材行业拥有很大市场,是我国目前最具潜力的磷石膏综合利用途径之一。简述α-半水石膏近年来研究进展,包括形成机制、制备工艺、应用情况及未来发展展望,旨在提高磷石膏综合利用率,为早日实现碳达峰、碳中和目标提供新的发展思路。α-hemihydrous gypsum is an intermediate product formed by dehydration of dihydrous gypsum.Because of its compact structure,high hardness,high thermodynamic properties and ecological compatibility,it is widely used in the mid-end construction,as well as precision mould and other industries,and has a great market in the green building materials industry,which is one of the most potential ways of phosphogypsum comprehensive utilization in our country now.The research progress ofα-hemihydrous gypsum in recent years,including its formation mechanism,preparation process,application and future development prospect,is summarized in order to improve the comprehensive utilization rate of phosphogypsum and provide a new development idea for realizing the goal of carbon peak and carbon neutrality as soon as possible.

关 键 词：磷石膏 Α-半水石膏 形成机制 应用进展 

分 类 号：TQ177.3[化学工程—硅酸盐工业]