| 학회 |
한국화학공학회 |
| 학술대회 |
2019년 봄 (04/24 ~ 04/26, 제주국제컨벤션센터) |
| 권호 |
25권 1호, p.488 |
| 발표분야 |
에너지 환경(Energy and Environment) |
| 제목 |
Recovery of valuable metals from spent solar cells by solvent extraction |
| 초록 |
A nitrate solution containing Ag(I), Pb(II) and Al(III) was obtained in leaching procedure of silicon solar cell. In order to recover Ag(I) from this leach solution, solvent extraction with Trioctylphosphine oxide (TOPO) experiments were carried out. TOPO was found to have selectivity on Ag(I) and Pb(II) over Al(III) at lower nitric acid solution. Most of Ag(I), Pb(II) together with small amount of Al(III) was extracted with 1 mol/L TOPO from the leachate solution. Ammonia water was able to selectively strip Ag(I) from the loaded TOPO, while the loaded TOPO can be regenerated after stripping of Pb(II) and Al(III) with thiourea and HNO3, sequentially. A process flow sheet for Ag(I), Pb(II) and Al(III) recovery from the nitrate leach solution was proposed. |
| 저자 |
김태영, Pan-Pan Sun, 민병준, 노봉조, 조성용
|
| 소속 |
전남대 |
| 키워드 |
에너지 환경 |
| E-Mail |
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| 원문파일 |
초록 보기 |
