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    • 1. 发明申请
    • METHOD FOR THE RECOVERY OF METALS FROM NICKEL BEARING ORES AND CONCENTRATES
    • 从镍基轴承和浓度中回收金属的方法
    • WO2014047672A1
    • 2014-04-03
    • PCT/AU2013/001066
    • 2013-09-18
    • DIRECT NICKEL PTY LTDPOSEIDON NICKEL LIMITED
    • BROCK, GrahamRODRIGUEZ, MichaelMcCARTHY, Fiona
    • C22B3/06C22B23/00
    • C22B23/0438
    • A two stage method (10) for the recovery of nickel and other metals from nickel bearing laterite ore, sulphide ore, oxide ore or concentrate (14), and nickel sulphide ore or tailings (24) is described. The method (10) in a first stage leach (20) comprises the steps of: adding nitric acid (16) to the nickel bearing laterite ore, sulphide ore, oxide ore or concentrate (14) to form a 1st stage leach slurry (18); and, treating the slurry to allow at least partial oxidation of the ore or concentrate to form a 1st stage treated slurry (22). A second stage leach (28) in the method (10) comprises the steps of: adding nickel sulphide ore or sulphide tailings 24 to the 1st stage treated slurry (22); treating the slurry to form a 2nd stage treated slurry (26); and recovering nickel and other metals from the 2nd stage treated slurry (26).
    • 描述了从含镍红土矿石,硫化矿石,氧化物矿石或浓缩物(14)和硫化镍矿石或尾矿(24)中回收镍和其他金属的二阶段方法(10)。 在第一阶段浸出(20)中的方法(10)包括以下步骤:向含镍的红土矿石,硫化物矿石,氧化物矿石或浓缩物(14)中加入硝酸(16)以形成第一级浸出浆料(18) ); 并且处理所述浆料以允许所述矿石或浓缩物的至少部分氧化以形成第一级处理浆料(22)。 方法(10)中的第二阶段浸出(28)包括以下步骤:向第一阶段处理的浆料(22)中加入硫化镍矿石或硫化物尾矿24。 处理浆料以形成第二阶段处理的浆料(26); 并从第二阶段处理的浆料(26)中回收镍和其它金属。
    • 2. 发明申请
    • METHOD FOR THE RECOVERY OF NICKEL FROM SULPHIDE ORES
    • 从硫酸盐还原镍的方法
    • WO2014008540A1
    • 2014-01-16
    • PCT/AU2013/000757
    • 2013-07-09
    • DIRECT NICKEL PTY LTDPOSEIDON NICKEL LIMITED
    • BROCK, GrahamRODRIGUEZ, MichaelMcCARTHY, Fiona
    • C22B3/04C22B23/00
    • C22B23/0438
    • A method (10) for the recovery of nickel and other metals from nickel bearing sulphide ores, nickel bearing sulphide concentrates, and nickel sulphide metallurgical waste (12) is described. The method (10) comprises the steps of i) adding nitric acid (14) to the sulphide ore, sulphide concentrate or sulphide metallurgical waste (12) to form a slurry (16); ii) agitating (18) the slurry at ambient temperature and atmospheric pressure to allow at least partial oxidation of the sulphide ore, sulphide concentrate or sulphide metallurgical waste to form a treated slurry (20); and iii) recovering (22) nickel from the treated slurry (20). The method may be operated successfully at ambient temperature and atmospheric pressure resulting in many cost and economic benefits over prior art methods.
    • 描述了从含镍硫化物矿石,含镍硫化物精矿和硫化镍冶金废料(12)中回收镍和其他金属的方法(10)。 方法(10)包括以下步骤:i)向硫化矿石,硫化物浓缩物或硫化物冶金废料(12)中加入硝酸(14)以形成浆料(16); ii)在环境温度和大气压下搅拌(18)浆料,以允许硫化物矿石,硫化物浓缩物或硫化物冶金废物至少部分氧化以形成经处理的浆料(20); 和iii)从处理过的浆料(20)中回收(22)镍。 该方法可以在环境温度和大气压下成功地操作,导致与现有技术方法相比的许多成本和经济益处。