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    • 24. 发明公开
    • 결합 침출 처리 방법
    • 组合浸出过程
    • KR1020080070058A
    • 2008-07-29
    • KR1020087013626
    • 2006-02-07
    • 발레 에스.에이.
    • 코스타,레나토데수자멘데스,플라비아,두트라
    • C22B3/04C22B3/02C22B3/08
    • C22B3/08C22B3/02C22B23/043C22B23/0461Y02P10/234
    • The combined leaching process comprises a dissolution process of the soluble constituents of an ore by means of the combined execution of two or more serial leaching phases with the first phase comprising atmospheric leaching (AL) and the second one pressure leaching (HPAL). This combined process takes place when the intermediate size fraction (0.075-0.5 mm) (1) is submitted to atmospheric leaching (AL), ensuing an effluent with a high concentration of dissolved iron and aluminum as well as high residual acidity. This said effluent (3) is fed in the following acid pressure leaching (HPAL) phase of the fine size fraction (
    • 组合浸出方法包括通过两个或多个连续浸出阶段的组合执行的矿石的可溶性组分的溶解过程,第一阶段包括大气浸出(AL)和第二次压力浸出(HPAL)。 当中等尺寸分数(0.075-0.5mm)(1))进入大气浸出(AL)时,这种组合过程发生,伴随着高浓度的溶解铁和铝的流出物以及高残留酸度。 将所述流出物(3)在精细尺寸级分(<0.075mm)(4)的以下酸性压力浸出(HPAL)相中进料并且在重新使用游离酸度下,通过水解反应中的铁和铝沉淀再生硫酸 ,并显着降低硫酸的添加量。
    • 25. 发明公开
    • 폐기 액정 디스플레이로부터의 인듐의 회수 방법과 그 장치
    • 用于从废液晶显示器回收印刷的方法和装置
    • KR1020080031661A
    • 2008-04-10
    • KR1020077018087
    • 2006-07-25
    • 가부시키가이샤 신꼬오 간쿄우 솔루션샤프 가부시키가이샤
    • 무라타니도시아키혼마다카미치마에세토도모하루시마다미츠시게
    • C22B3/04B09B3/00G02F1/13
    • C22B7/007C22B3/46C22B7/005C22B25/06C22B58/00Y02P10/228Y02P10/234
    • This invention provides a method and apparatus for recovering In in the form of an alloy or a metal simple substance as a valuable material from waste LCD. In the In recovery method and apparatus, there is no need to recover In as indium hydroxide, and In can be recovered as a valuable metal. Accordingly, unlike the case of indium hydroxide, the recovery does not suffer from poor handling, and In can easily be recovered through a filter or the like with significantly improved In recovery. The In recovery method is characterized by comprising crushing waste LCD containing indium tin oxide, dissolving indium tin oxide from the crushed waste LCD with an acid to give an indium compound-containing solution, allowing the solution to flow into a reactor for recovery and, further, adding particles of a metal having a larger ionization tendency than In into the reactor for recovery, fluidizing the metal particles, precipitating In or an In alloy contained in the indium compound-containing solution onto the surface of the metal particles, then separating the precipitated In or In alloy from the metal particles by separation means, and separating and recovering the separated solid In or In alloy from the liquid component.
    • 本发明提供了一种用于从废液晶显示器中以合金或金属简单物质形式作为有价物质回收In的方法和装置。 在In回收方法和装置中,不需要将铟作为氢氧化铟回收,并且In可以作为有价值的金属回收。 因此,不同于氢氧化铟的情况,回收不会受到不良处理的影响,并且可以通过过滤器等容易地回收,从而显着地提高了In的回收率。 In回收方法的特征在于包括破碎含有氧化铟锡的废液,用粉碎的废液LCD溶解氧化铟锡,得到含铟化合物的溶液,使溶液流入反应器进行回收,并进一步 将具有比In大的离子化倾向的金属颗粒添加到用于回收的反应器中,使金属颗粒流化,将包含在含铟化合物的溶液中的In或In合金沉淀到金属颗粒的表面上,然后分离沉淀 In或In合金从金属颗粒通过分离装置,并从液体组分分离和回收分离的固体In或In合金。
    • 27. 发明公开
    • 광석으로부터 유가 금속을 회수하기 위한 염산의존재하에서의 침출 방법
    • 氢氯酸盐存在下从矿石中恢复价值金属的浸出过程
    • KR1020070084417A
    • 2007-08-24
    • KR1020077011492
    • 2005-10-20
    • 앵글로 오퍼레이션스 리미티드
    • 스미트,얀,트에르드스테일,요한두토이트
    • C22B3/34C22B3/04
    • C22B19/22C01F5/40C01G9/06C01G21/20C01G49/06C22B3/10C22B3/44C22B19/26C22B23/0423Y02P10/234
    • A process is described for leaching a value metal from an ore containing said value metal, the process including the steps of leaching the ore in the presence of hydrochloric acid so as to form a soluble metal-chloride salt in a leach solution; adding sulphur dioxide to the leach solution; recovering a metal-sulphate or metal-sulphite salt from the leach solution; and regenerating hydrochloric acid. The ore may be an oxidic base metal ore, such as a zinc oxide ore; a lateritic nickel ore, such as a saprolitic or limonitic ore; a sulphide ore or a titanium ore. The value metal is typically selected from the group consisting of Zn, Cu, Ti, Al, Cr, Ni, Co, Mn, Fe, Pb, Na, K, Ca, platinum group metals and gold. The metal in the metal-sulphate or sulphite salt may be the value metal, or may be a metal of less value than the value metal, such as magnesium. The regenerated hydrochloric acid is recycled within the leach process.
    • 描述了一种用于从含有所述金属金属的矿石中浸出值金属的方法,该方法包括在盐酸存在下浸提矿石以在浸出溶液中形成可溶性金属氯化物盐的步骤; 向浸出溶液中加入二氧化硫; 从浸出溶液中回收金属硫酸盐或金属 - 亚硫酸盐; 并再生盐酸。 矿石可以是氧化贱金属矿,例如氧化锌矿石; 红土镍矿,如腐泥或褐铁矿; 硫化矿石或钛矿石。 金属金属通常选自Zn,Cu,Ti,Al,Cr,Ni,Co,Mn,Fe,Pb,Na,K,Ca,铂族金属和金。 金属硫酸盐或亚硫酸盐中的金属可以是金属值,或者可以是比金属值如金属值小的金属。 再生的盐酸在浸出过程中循环使用。