서지주요정보
용매추출법을 이용한 증유 회분으로부터의 바나듐 회수 = Vanadium recovery from oil-ash by solvent extraction with Di(2-ethyl hexyl) phosphoric acid
서명 / 저자 용매추출법을 이용한 증유 회분으로부터의 바나듐 회수 = Vanadium recovery from oil-ash by solvent extraction with Di(2-ethyl hexyl) phosphoric acid / 김동운 ; 김선.
저자명 김동운 ; 김선 ; Kim, Dong-Woon ; Kim, Sun
발행사항 [서울 : 한국과학기술원, 1981].
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소장정보

등록번호

4001482

소장위치/청구기호

학술문화관(문화관) 보존서고

MCPE 8122

SMS전송

도서상태

이용가능

대출가능

반납예정일

초록정보

The problems of very limited resources in our country accelerated the drive to find out waste mineral resources and their recovery processes. In this project the recovery process of vanadium pentoxide from waste oil-slag was developed by solvent extraction technique with di (2-ethyl hexyl) phosphoric acid. In initial batch tests, the effects of numerous variables on each unit process, that is, leaching, solvent extraction, stripping, precipitation were evaluated and methods for increasing the yield of each unit process were explored. In continuous solvent extraction and stripping system, the effects of operating parameters such as pH, mixing time, settling time, concentrations of solvent and acid, ratio of organic to aqueous flow rate were investigated in box-type mixer-settlers. The experimental results showed that optimum operating conditions in continuous extraction system were as follows: concentration of vanadium in feed for 0.572M D2EHPA 7g/l mixing time 5 minute settling time 12 minute initial pH 1.6 ratio of organic to aqueous 3 Based on our operation conditions the total yield of this recovery process was evaluated as 82% and the purity of vanadium pentoxide was 99% after final treatment such as washing, drying, and calcination. The economic aspects of the process was considered by plant design. With a production of 100 tons/year of vanadium pentoxide the total investment was 1.45 million dollars with the rate of return on investment of 17.8% and payout period was 3.7 years.

서지기타정보

서지기타정보
청구기호 {MCPE 8122
형태사항 iv, 170 p. : 삽도 ; 26 cm
언어 한국어
일반주기 부록 수록
저자명의 영문표기 : Dong-Woon Kim
공동저자명의 영문표기 : Sun Kim
지도교수의 한글표기 : 윤창구
지도교수의 영문표기 : Chang-Ku Yun
학위논문 학위논문(석사) - 한국과학기술원 : 화학공학과,
서지주기 참고문헌 : p. 103-106
주제 Recycling (Waste, etc)
추출. --과학기술용어시소러스
자원 회수. --과학기술용어시소러스
Extraction (Chemistry)
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