This article discusses the production of forage calcium hydrophosphate from sludge phosphoric acid. 研究了一种用贵州省丰富的泥磷酸生产饲料磷酸氢钙的方法。
A new process of heavy metals removal from forage-grade calcium hydrophosphate by cement and sulfide is studied, the quality of products is up to the National Standard. 研究以水泥和硫化钠为原料除去饲料级磷酸氢钙中重金属的新工艺，产品质量达到国家标准，并可提高产品产率。
