1.08 million tons of phosphogypsum converted into new building materials

Since the provincial party committee and government proposed the policy of "determining production based on slag" in 2018, the inventory of phosphogypsum slag yards in Machangping, Fuquan, Guizhou Phosphate Group has gradually decreased. In the first three quarters of this year, the company utilized and disposed of 7.3234 million tons of phosphogypsum, a year-on-year increase of 10%. Among them, 1.0895 million tons of building materials were utilized, an increase of 80% compared to the same period last year.

In the building materials industry sector, it is not easy to "eat" such a large scale of phosphogypsum. He Guangliang introduced that the enterprise invests 300 to 500 million yuan annually to promote the development of comprehensive utilization technology of phosphogypsum, and continues to innovate in various aspects such as raw material quality, research and development innovation, production and processing, logistics transportation, marketing promotion, and market service. Three new phosphogypsum building materials industrial parks have been built, including Fuquan, Xifeng, and Kaiyang.

3 million tons of building gypsum powder, 300000 tons of anhydrous gypsum, 200000 tons of high-temperature gypsum powder, and 120000 tons α The annual production scale of phosphogypsum building materials, including high-strength gypsum, 2 million tons of gypsum mortar, 3 million square meters of gypsum strip board, 2.35 million square meters of gypsum blocks, and 30 million square meters of fiber gypsum board (paperless gypsum board), corresponds to a vast market space.