In NPK fertilizer making, SSP Phosphate fertilizer production is favoured by a large amount of fertilizer manufacturers. Because it contains rich phosphorus elements, which plays an important role in the germination and fruiting of plants. But how to make SSP compound fertilizer? Mainly using SSP rocks and concentrated sulfuric acid/nitric acid as material, crushing, mixing, acidification, aging, grinding again, screening and packaging. In addition, you also choose to further process it in SSP granules. Finally, don’t forget to filter gas waste to meet local environmental requirements.