| 학회 |
한국공업화학회 |
| 학술대회 |
2014년 봄 (04/30 ~ 05/02, 제주국제컨벤션센터) |
| 권호 |
18권 1호 |
| 발표분야 |
포스터-석유화학.윤활유 |
| 제목 |
Synergistic Solvent Extraction of Dysprosium and Praseodymium Using Fatty Acid and Crown Ether as Extractants |
| 초록 |
The separation of praseodymium and dysprosium has been studied by solvent extraction using fatty acid such as hexanoic acid, octanoic acid, decanoic acid, and dodecanic acid in kerosene as a diluent. It seems that extractibility of dysprosium is higher than that of praseodymium at the same pH and that the pH0.5 of them is shifted to the base region as carbon chain length is loger. When using 0.05M octanoic acid as an extractant, we can get the highest separation factor of praseodymium and dysprosium which is 0.38. In order to increase the selectivity of the elements, the metal extraction experiments have been carried out in fatty acid extractant with crown ether such as 12-crown-4 ether, 15-crown-5 ether, and 18-crown-6 ether. When using 15-crown-5 ether among them, pH0.5 difference value is the highest. |
| 저자 |
나성흠1, 김세미1, 심대선1, 김영운1, 김정훈1, 정노희2, 강호철1
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| 소속 |
1한국화학(연), 2충북대 |
| 키워드 |
Solvent extraction; fatty acid; crown ether; dysprosium; praseodymium
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| E-Mail |
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