【摘要】 对磷石膏的化学组成、矿物结构及其直接应用于水泥的危害作了详尽分析 ,对原状磷石膏进行了改性和在水泥中的应用研究 ,表明改性磷石膏是一种良好的天然石膏替代品 ,并提出了改性磷石膏产品的制备及工艺流程。更多还原

【Abstract】 The composition and the structure of phosphogypsum, which its harm to cement was investigated, have been determined. Modificated phosphogypsum with excellent properties was obtained for cement retarder. The preparation process of modificated phosphogypsum was also presented in the paper.更多还原