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    • 2. 发明申请
    • FLOTATION CELL
    • 浮游细胞
    • WO2008006165A1
    • 2008-01-17
    • PCT/AU2007/000970
    • 2007-07-12
    • THE UNIVERSITY OF NEWCASTLE RESEARCH ASSOCIATED LIMITEDLAMBERT, Noel, William, Alexander
    • LAMBERT, Noel, William, Alexander
    • B03D1/14B03D1/02
    • B03D1/06B03D1/082B03D1/1412B03D1/1481B03D1/247
    • A flotation cell for separating hydrophobic particles from hydrophilic particles uses a mixer (1) with an air inlet (8) and slurry feed (7) to form a bubbly mixture in a u-tube mixer (4, 5, 6) and feed the mixture into a separation vessel (2). Plant cost and operating efficiencies are optimised by gravity feed of slurry and admitting air at atmosphseric pressure. The separation vessel (2) has an upper inclined plate (9) which guides the froth layer (33) containing the hydrophobic particles to an overflow launder (11) without any significant turbulence or change in direction optimising the retention of hydrophobic particles in the froth, while the hydrophilic particles drop down in the liquid layer (34) guided along a lower inclined plate (24) to a tailings outlet (14).
    • 用于从疏水性颗粒分离疏水性颗粒的浮选槽使用具有空气入口(8)和浆料进料(7)的混合器(1),以在u型管式混合器(4,5,6)中形成气泡混合物,并将 混合物进入分离容器(2)。 植物成本和操作效率通过浆料的重力进料和大气压下的空气进行优化。 分离容器(2)具有上部倾斜板(9),其将含有疏水性颗粒的泡沫层(33)引导到溢流槽(11),而没有任何明显的湍流或方向改变,优化了泡沫中疏水性颗粒的保留 同时亲水性颗粒在沿着下倾斜板(24)引导到尾矿出口(14)的液体层(34)中下降。
    • 4. 发明申请
    • PROCESS FOR THE SELECTIVE SEPARATION OF A COPPER MOLYBDENUM ORE
    • 铜选择性分离方法
    • WO1987000088A1
    • 1987-01-15
    • PCT/US1986001467
    • 1986-07-09
    • PHLOTEC SERVICES, INC.VARGAS, Alfredo, P.ARBITER, Nathaniel
    • PHLOTEC SERVICES, INC.
    • B03B01/00
    • B03B1/04B03D1/02B03D1/06
    • A process for separation of the mineral components of a copper/molybdenum sulfide ore by flotation including (a) crushing and grinding the ore to liberate the minerals; (b) in a primary flotation circuit, adding a molybdenum collector selected from the group of hydrocarbon oils, and a frother; (c) floating a primary (molybdenum) concentrate in the primary circuit in the absence of a copper collector; (d) directing the primary molybdenum concentrate to an upgrading separation circuit to produce a final molybdenum concentrate; and (e) directing the non-float of the primary circuit to a secondary scavenger circuit for recovery of copper and additional molybdenum with addition of a copper collector, the process being conducted at a natural pH essentially determined by the ore composition and the quality of the water used to form the pulp, without addition of substantial amounts of alkaline or acid pH modifiers sufficient to change the pH.
    • 一种通过浮选分离铜/钼硫化物矿物成分的方法,包括(a)粉碎和研磨矿石以释放矿物; (b)在主浮选回路中,加入选自烃油的起泡剂和起泡剂; (c)在没有铜收集器的情况下在初级回路中漂浮初级(钼)浓缩物; (d)将初级钼浓缩物引导至升级分离回路以产生最终的钼精矿; 并且(e)将初级回路的非浮子引导到辅助回收器回路以回收铜和附加的钼,同时加入铜收集器,该方法在基本上由矿石组成和质量决定的天然pH下进行 用于形成纸浆的水,而不加入足以改变pH的大量碱性或酸性pH调节剂。
    • 5. 发明申请
    • DIFFERENTIAL FLOTATION OF SULFIDE ORES FOR RECOVERING REFRACTORY GOLD
    • 硫化物矿石微分浮选回收难处理金矿石
    • WO2017064369A1
    • 2017-04-20
    • PCT/FI2016/050713
    • 2016-10-12
    • OUTOTEC (FINLAND) OY
    • MOILANEN, JariLEPPINEN, Jaakko
    • B03D1/06B03D101/06B03D103/02
    • B03D1/06B03D2201/06B03D2203/025
    • Provided herein is a process for recovery of gold from gold-containing raw materials comprising refractory gold-containing minerals, in particular gold-containing refractory sulfidic minerals, comprising (a) obtaining gold-containing raw material comprising refractory gold-containing sulfidic minerals comprising first type of refractory sulfidic mineral having high gold content and second type of sulfidic mineral having low gold content; (b) forming a mineral pulp comprising first type of refractory sulfidic mineral particles having high gold content and second type of sulfidic mineral particles having low gold content by suspending ground gold-containing material in water and optionally further milling the material; (c) conditioning the mineral pulp by addition of a surface modifying chemical for modifying the surface of the first type of refractory sulfidic mineral particles having high content thus making the said particles non-floatable to obtain a conditioned pulp; (d) subjecting the conditioned pulp to a froth flotation process to separate first type of refractory sulfidic mineral particles having high gold content from the second type of sulfidic mineral particles having low gold content; (e) recovering the non-floatable first type of refractory sulfidic mineral particles having high cold content as flotation tailings; (f) pressure oxidizing (POX) the flotation tailings recovered in step (e) to obtain a discharge slurry comprising liberated gold; and (g) recovering gold from the discharge slurry obtained in step (f).
    • 本文提供了用于从包含难熔含金矿物,特别是含金耐火硫化矿物的含金原料中回收金的方法,其包括(a)获得含金原料,所述含金原料包含 包含具有高金含量的第一类耐火硫化矿物和具有低金含量的第二类硫化矿物的难处理含金硫化物矿物; (b)通过将磨碎的含金材料悬浮在水中并任选地进一步研磨所述材料,形成包含具有高含金量的第一类耐火硫化矿物颗粒和具有低金含量的第二类硫化矿物颗粒的矿物纸浆; (c)通过添加表面改性化学品来调节矿物质纸浆,以改性具有高含量的第一类耐火硫化物矿物颗粒的表面,从而使所述颗粒不可漂浮以获得调理纸浆; (d)使经过调节的纸浆经过泡沫浮选过程以将具有高含金量的第一类耐火硫化矿物颗粒与具有低金含量的第二类硫化矿物颗粒分离; (e)回收具有高冷含量的不可漂浮的第一类耐火硫化矿物颗粒作为浮选尾矿; (f)对在步骤(e)中回收的浮选尾矿进行压力氧化(POX)以获得包含释放的金的排放泥浆; 和(g)从步骤(f)中得到的排放泥浆中回收金。