Condensation time and strength of cement with pretreated phosphogypsum could match the standard,but the compatibility of phosphogypsum with clinker was quite different.

• 目前研究显示磷石膏经预处理后,凝结时间和强度能满足使用要求,但并不能说明磷石膏作为缓凝组分就能与水泥熟料很好适应。