A new hydrometallurgical process for extracting rare earths from apatite using solvent extraction with P-350
文献类型：期刊论文
| 作者 | Li HF ; Guo FQ ; Zhang ZF ; Li DQ ; Wang ZH |
| 刊名 | journal of alloys and compounds
 |
| 出版日期 | 2006 |
| 卷号 | 408页码:995-998 |
| 关键词 | PHOSPHATE ROCK BY-PRODUCT LANTHANIDES RECOVERY |
| ISSN号 | 0925-8388 |
| 通讯作者 | li dq |
| 中文摘要 | in this paper, a new process is proposed to recover rare earths from nitric acid leaching of apatite without interfering with the normal route for fertilizer production using solvent extraction with dimethyl heptyl methyl phosphonate ch3p(o)(oc8h17)(2) (p-350, b). in the present work, the leaching conditions are studied. in selected condition, apatite was dissolved in 20% (v/v) nitric acid solution at 60-70 degrees c while agitating. the most suitable acidity for extraction is 0.4 m hno3. more than 98% of rare earths in apatite can be recovered using countercurrent extraction process with six stages when phase ratio = 0.5, and defluorination is unnecessary. the influences of phase ratio, stage number, acidity and salting-out agent on extractabilities of p-350 are studied. the results show that rare earths can be separated with p-350 from ca, p, fe and other impurities. mixed rare earth oxides (reo) of which purity is more than 95% with yield over 98% can be obtained. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000235445300225 |
| 公开日期 | 2010-08-17 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/16561]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Li HF,Guo FQ,Zhang ZF,et al. A new hydrometallurgical process for extracting rare earths from apatite using solvent extraction with P-350[J]. journal of alloys and compounds,2006,408:995-998. |
| APA | Li HF,Guo FQ,Zhang ZF,Li DQ,&Wang ZH.(2006).A new hydrometallurgical process for extracting rare earths from apatite using solvent extraction with P-350.journal of alloys and compounds,408,995-998. |
| MLA | Li HF,et al."A new hydrometallurgical process for extracting rare earths from apatite using solvent extraction with P-350".journal of alloys and compounds 408(2006):995-998. |
入库方式： OAI收割
来源：长春应用化学研究所
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