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CN1159436A本发明公开了一种用含磷污泥生产的混合磷肥。其特征在于将含磷污泥物料干燥至水分含量小于或等于12％后，根据原污泥物料中有效P2O5的含量，按比例加入中和调节剂混合，然后经堆置熟化、破碎制得粉状或粒状的有效PZOS的含量大于或等于12％的混合磷肥。本发明利用磷
CN1159436A The present invention discloses a mixed phosphate fertilizer produced by phosphorus-containing sludge. The method is characterized in that after the phosphorus-containing sludge material is dried until the moisture content is less than or equal to 12%, the neutralizing agent is added in proportion according to the effective P2O5 content in the original sludge material, Form or granular PZOS effective PZOS content greater than or equal to 12% of the mixed phosphate fertilizer. The present invention utilizes phosphorus