Phosphate fertilizer industry focuses on promoting low- and medium-grade phosphate rock sulphuric acid technology, medium and low-grade phosphate rock and collophane ore dressing technology and reagents, comprehensive utilization technology of phosphate rock-associated resources, wet-process phosphoric acid refining technology, fluorine recovery and production of high value-added fluorine products Technology, pyrite iron resource recycling technology, phosphogypsum acid production, building materials and other comprehensive utilization technologies, sulfuric acid low-temperature waste heat utilization technology.
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