The effective measures are studied to lower sulfuric acid consumption, raise feedfertilizer ratio, and diminish P-2O-5 loss in production of feedgrade dicalcium phosphate from wetprocess phosphoric acid.

• 探讨用湿法磷酸生产饲料级磷酸氢钙过程中 ,降低硫酸消耗 ,提高饲肥比 ,减少 P2 O5损失的有效途径 ,以强化生产 ,提高经济效益。