磷石膏的资源化利用现状综述

Phosphogypsum is a by-product of phosphate compound fertilizer production process, each producing 1t phosphate fertilizer will yield 3.75t phosphogypsum. With the rapid development of phosphate compound fertilizer industry in China, the treatment of phosphogypsum has become a major challenge for the phosphide industry. If resource utilization of phosphogypsum can be achieved, it would not only improve the economic benefits of phosphate fertilizer manufacturer but also solve the environmental security problem, its potential value is incalculable. This paper discusses the pre-processing and comprehensive utilization of phosphogypsum, and point out the existing problems and put forward some suggestions as reference information for the utilization of phosphogypsum.