Process and apparatus for separating magnetic particles within an ore
    1.
    发明授权
    Process and apparatus for separating magnetic particles within an ore 失效
    用于分离矿石中的磁性颗粒的方法和设备

    公开(公告)号:US4239619A

    公开(公告)日:1980-12-16

    申请号:US36695

    申请日:1979-05-07

    IPC分类号: B03C1/035

    摘要: A process and apparatus for separating magnetic particles from an ore material whereby an ore material intermixed with a liquid or gaseous carrier is fed through a separating zone acted upon by a magnetic field generated by a superconducting solenoid magnet. During passage through the separating zone, the magnetic particles in the ore material are attracted toward the periphery of the zone while the nonmagnetic particles substantially remain at the center whereupon each is then separately collected by mechanical means.

    摘要翻译: 用于从矿石材料分离磁性颗粒的方法和设备,由此与液体或气体载体混合的矿石材料通过由超导螺线管磁体产生的磁场作用的分离区进料。 在通过分离区域期间,矿石材料中的磁性颗粒被吸引到区域的周边,而非磁性颗粒基本上保持在中心,然后通过机械装置分别收集。

    Process for the recovery of non-ferrous metal sulfides
    2.
    发明授权
    Process for the recovery of non-ferrous metal sulfides 失效
    回收有色金属硫化物的方法

    公开(公告)号:US4793852A

    公开(公告)日:1988-12-27

    申请号:US791803

    申请日:1985-10-28

    IPC分类号: B03D1/012 C01G1/12 C22B1/00

    摘要: This invention relates to a method of recovering non-ferrous metal sulfides from a metal ore which comprises subjecting the metal ore, in the form of an aqueous pulp, to a froth flotation process in the presence of a flotating amount of a flotation collector wherein the collector comprises a compound which corresponds to one of the formulas ##STR1## wherein R.sup.1 is alkyl, aryl or aralkyl group wherein the aryl and aralkyl can be substituted with a halo or alkyl moiety;R.sup.2 is alkyl, aryl or aralkyl group wherein the aryl or aralkyl can be substituted with a halo or alkyl moiety;R.sup.3 is aryl or aralkyl unsubstituted or substituted with a halo or alkyl moiety;R.sup.4 is alkyl, aryl or aralkyl group wherein the aryl or aralkyl can be substituted with a halo or alkyl moiety; with the proviso that at least one of R.sup.1 and R.sup.2 must be aryl or aralkyl unsubstituted or substituted;under conditions such that the metal sulfide values are recovered in the froth.The collectors of this process are useful under alkaline, neutral and acidic conditions. Such collectors give good recoveries of the mineral sulfide values, with a high selectivity toward the non-ferrous metal sulfide values over the ferrous containing minerals.The novel collectors of this invention result in surprisingly high recovery of nonferrous metal values or sulfidized metal oxide values, and a surprisingly high selectivity toward such nonferrous metal values when such metal values are found in the presence of ferrous-containing metal sulfides. These collectors demonstrate good recovery and good kinetics.

    摘要翻译: 本发明涉及一种从金属矿石中回收有色金属硫化物的方法,该方法包括在浮选量为浮选收集器存在的情况下,以含水纸浆形式的金属矿石进行泡沫浮选工艺,其中, 收集器包括对应于下式之一的化合物,其中R 1是烷基,芳基或芳烷基,其中芳基和芳烷基可以被卤素或烷基部分取代; R2是烷基,芳基或芳烷基,其中芳基或芳烷基可以被卤素或烷基部分取代; R3是未被取代或被卤素或烷基部分取代的芳基或芳烷基; R 4是烷基,芳基或芳烷基,其中芳基或芳烷基可以被卤素或烷基部分取代; 条件是R 1和R 2中的至少一个必须是未取代或取代的芳基或芳烷基; 在使得金属硫化物值在泡沫中回收的条件下。 该方法的收集器在碱性,中性和酸性条件下是有用的。 这种收集器对矿物硫化物值的回收率良好,对含铁矿物的有色金属硫化物值具有很高的选择性。 本发明的新型收集器导致有色金属值或硫化金属氧化物值的令人惊讶的高回收率,以及当在含亚铁金属硫化物存在下发现这种金属值时,对这种有色金属值的惊人的高选择性。 这些收集者表现出良好的恢复和良好的动力学。