Phosphogypsum (PG), as a by-product of phosphoric acid and a bulk industrial solid waste, has increased sharply due to the development of the phosphorus chemical industry. Because of the increasing serious environmental problems caused by stockpiling of PG, an analysis of its utilization status and development trend in civil engi-neering is important to improve the PG utilization rate. In this review, the chemical compositions of different PG and pretreatment methods were compared and analyzed firstly. And then, the utilization of PG including cement retarder, building materials, cement raw ma...
