摘要
本文研究了用正、异戊醇混合物从盐酸分解磷矿石萃取磷酸的试验。发现磷酸分配比随正戊醇比例增大而略有增加,但单纯用正戊醇或异戊醇萃取铁的分配比远低于正、异戊醇混合物。我们用工业副产品杂醇油进行萃取,其萃取能力与正、异戊醇混合物相近。因此,可初步认为,用杂醇油代替戊醇混合物萃取磷酸是大有希望的。
The extraction of iron and phosphoric acid from the HCl acid solution of phosphate rock with n- and iso amyle alcohol mixture was studied. We observed that the distribution ratio of phosphoric acid slightly increased with the increase of the percentage ratio of n-amyle alcohol in the mixture. But the distribution ratio of iron was much higher with the mixture rather than with n- or iso-amyl alcohol alone. The extraction with fused oil was also examed.The results were similar to that of n- and iso- amyl alcohol. It is most likely that fused oil can be used in place Of amyl alcohol mixture to be the extractant of phosphoric acid.
关键词
磷酸
萃取剂
杂醇油
戊醇
萃取
phosphoric acid, Extractant, Extraction, Fused oil, Amyl alcohol
