http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이재호,김인준,남형태,Lee, Jaeho,Kim, Injoon,Nam, Hyeong-tae 대한자원환경지질학회 2017 자원환경지질 Vol.50 No.1
조사광산들은 페루 중부 오욘지역 다중금속 광화대내 다양한 형태로 부존하고 있다. Iscaycruz Zn-Cu-Pb 광산은 다금속 교대 및 스카른 광상으로, 상부에 백악기 퇴적물이 놓여있는 이토질의 쥐라기 퇴적물로 형성된 퇴적암 층군내에 배태한다. 이 층군내 화성암의 관입은 다금속 광화작용을 발생시켰다. Raura Pb-Zn-Cu 광산은 백악기 마차이(Machay) 석회암층이 퇴적되어 있으며, 섬록반암이 관입과 연관된 암맥들에 의해 광화작용이 발달한다. 여러 개의 광체가 발달하고 있으며, 그 중 카투보(Catuvo)광체는 Pb-Zn 광물이 우세하게, 니나코차(Ninacoha)광체는 Ag가 풍부한 방연석이 산출된다. 에스페란자(Esperanza)광체와 레스토라도라(Restauradora) Cu-Ag 광체는 맥상으로 수많은 소규모의 구조에 의해 광화작용이 규제되고 있다. Huaron 광산은 Ag, Pb, Zn Cu 광화작용에 의해 형성된 열수다중금속광상으로, Huaron 배사구조내에 주로 위치하는 몬조나이트 암맥의 관입과 관련된 구조내에서 발달한다. 광화작용은 주요 단층계에 평행한 맥상으로, 역암과 기타 적합한 층서면의 탄산염부분과 관련된 "manto"로 알려진 교대광체로, 그리고 맥의 교차점에서 몬조나이트 관입체내 광염상으로 나타난다. The surveyed mines are located in a polymetallic vein, replacement, and skarn mineral district in the central Andes of Peru. Iscaycruz, which includes underground and open pit mines that produce zinc and lead concentrates, was the largest mineral deposit of an important group of base metal deposits in the Andes of central Peru. The deposits are sub-vertical seams of polymetallic ores(Zn, Cu, and Pb). These seams are hosted by Jurassic and Cretaceous sedimentary rock formation. The intrusion of igneous rocks in these formations originated metallic deposits of metasomatic and skarn types. The Raura mine is composed of polymetallic deposit of veins and replacement orebodies. The main sedimentary unit in the area is Cretaceous Machay Limestone. The Raura depression contains several orebodies each with different mineralization: predominantly Pb-Zn bearing Catuvo orebody; Ag-rich galena-bearing Lake Ninacocha orebody; Cu-Ag bearing Esperanza and Restauradora orebody. Huaron is a hydrothermal polymetallic deposit of silver, lead, zinc, and copper mineralization hosted within structures likely related to the intrusion of monzonite dikes, principally located within the Huaron anticline. Mineralization is encountered in veins parallel to the main fault systems, in replacement bodies known as "mantos" associated with the calcareous sections of the conglomerates and other favourable stratigraphic horizons, and as dissemination in the monzonitic intrusions at vein intersections.
폐 영구자석으로부터 회수한 염화희토류용액에서 PC88A를 이용한 경희토류(Pr, Nd)/중희토류(Tb, Dy) 용매추출
전수병,손인준,임병철,김정모,김연진,하태규,윤호성,김철주,정경우,Jeon, Su-Byung,Son, InJoon,Lim, Byung-Chul,Kim, Jeong-Mo,Kim, Yeon-Jin,Ha, Tae-Gyu,Yoon, Ho-Sung,Kim, Chul-Joo,Chung, Kyeong-Woo 한국자원리싸이클링학회 2018 資源 리싸이클링 Vol.27 No.3
Solvent extraction behavior of light rare earth elements (Pr, Nd) and medium rare erath elements (Tb, Dy) in the HCl-PC88A-kerosene extraction system was investigated in order to separate high-purity light rare earths (Pr, Nd) and medium rare earths (Tb, Dy) in the mixed rare earth chloride solution. In the batch test step, it was confirmed that the separation efficiency was good when the extractant concentration (PC88A) was 0.5 M, the equilibrium pH after extraction was 0.8 to 1.0 (initial pH 1.3 of the feed), the concentrations of hydrochloric acid in scrubbing solution was set as 0.1 M, the concentrations of hydrochloric acid in stripping solution was set as 2.0 M or more. Based on the experimental data obtained from the batch test, the mixer-settler was composed as follows; 4 stages of extraction, 8 stages of scrubbing, 4 stages of stripping, and 3 stages of pickling organic solution. The Mixer-settler was operated for 180 hours, and the operating conditions were continuously adjusted to obtain the high-purity light/medium rare earths. Finally, the purity of light (Pr, Nd) and medium rare earth elements (Tb, Dy) was reached as 3 N class.