Phosphogypsum mainly has two kinds of gray-black and gray-white, and the crystal water content is 20% to 25%. Phosphogypsum is a solid waste produced in the wet phosphoric acid process, and its component is mainly calcium sulfate dihydrate.…
The main component of industrial by-product gypsum is CaSO4•2H2O, which contains different impurities due to the different taste and production methods of raw ore.…
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