【摘要】 重过磷酸钙产品在出厂销售前应将过高的游离酸用中和剂中和。研究结果指出，钙镁磷肥和石灰石粉均可使用，尤以后者为好。粉状重钙造粒时使用中和剂后，产品的Ｐ２Ｏ５会有少量的退化现象，在实际操作中应引起注意。更多还原

【Abstract】 Before the sale of the triple superphosphate product from the plant, the excessive free acid is to be neutralized with a neutralization agent. The results of study show that both fused calcium magnesium phosphate and pulverized limestone can be used, but the latter is better. With the use of a neutralization agent in the granulation of run of pile triple superphosphate, there is a little reversion of P 2O 5 in the product, so attention is to be paid to actual operation.更多还原