Phosphate beneficiation process using polymers as slime flocculants
    2.
    发明授权
    Phosphate beneficiation process using polymers as slime flocculants 失效
    使用聚合物作为粘泥絮凝剂的磷酸盐选矿工艺

    公开(公告)号:US5858214A

    公开(公告)日:1999-01-12

    申请号:US731677

    申请日:1996-10-17

    Applicant: Seng N. Yap

    Inventor: Seng N. Yap

    Abstract: The present invention relates a process for simultaneously preventing formation of slime stabilized foam and decreasing reagent consumption in a phosphate beneficiation flowsheet comprising adding an effective amount of a polymer to a rougher feed slurry and/or a cationic feed slurry wherein the polymer flocculates slime, adding an effective amount of a collector and removing the flocculated slime by flotation.

    Abstract translation: 本发明涉及同时防止粘泥稳定化泡沫形成和减少磷酸盐选矿流程中试剂消耗的方法,其包括将有效量的聚合物加入到较粗的进料浆料和/或阳离子进料浆料中,其中聚合物絮凝粘液,加入 有效量的收集器,并通过浮选除去絮凝的粘液。

    Process for adsorboaggregational flotation of Carlin type natural gold
ore dressing
    3.
    发明授权
    Process for adsorboaggregational flotation of Carlin type natural gold ore dressing 失效
    卡林型天然金矿选矿吸附聚集浮选工艺

    公开(公告)号:US5700369A

    公开(公告)日:1997-12-23

    申请号:US783012

    申请日:1997-01-14

    CPC classification number: B03D1/02 B03D1/016 B03D2201/002 B03D2203/025

    Abstract: A novel process for adsorptive aggregation and also floatation of Carling type gold ores, which goes far beyond the conventional floatation method. Said novel technological procedures comprise fine grinding as well as sluicing of raw ores and adding special floatation agents such as stripping agent, adsorptive aggregation agent as well as collecting agent and flocculant in the course of coarse screening and sweep screenings. The fine ore obtained using the present process is graded as 22 g/T with a recovery yield langer than 83%. Said process has a screening index high and stable, it is safe and reliable and can be effectively put into industrial production.

    Abstract translation: 一种吸附聚集和Carling型金矿浮选的新方法,远远超出了传统的浮选方法。 所述新技术方法包括在粗筛和筛选过程中细磨和流出矿石,并加入特殊浮选剂如汽提剂,吸附聚集剂以及收集剂和絮凝剂。 使用本方法获得的细矿石分级为22g / T,回收率为83%以上。 所述方法筛选指标高,稳定,安全可靠,可有效投入工业化生产。

    Process for alumina recovery
    5.
    发明授权
    Process for alumina recovery 失效
    氧化铝回收工艺

    公开(公告)号:US4678585A

    公开(公告)日:1987-07-07

    申请号:US506099

    申请日:1984-06-20

    Abstract: Aqueous suspensions of red mud are effectively removed from the Bayer process for making alumina by the addition to at least the first stage of the caustic recovery circuit of a flocculant selected from the group consisting of starch, homopolymers of acrylic acid or acrylates, copolymers of acrylic acid or acrylates containing at least 80 molar percent acrylic acid or acrylate monomers and combinations thereof and subsequent addition to later, more dilute stages in the caustic recovery circuit of a copolymer containing from about 35 to 75 molar percent of acrylic acid or acrylate and from about 65 to 25 molar percent of ethylenically unsaturated polymerizable monomers.

    Abstract translation: 通过添加至少选自淀粉,丙烯酸或丙烯酸酯的均聚物,丙烯酸酯的共聚物的絮凝剂的至少第一阶段的苛性碱回收回路的至少第一阶段,红泥的水性悬浮液被有效地从拜耳法中除去以制备氧化铝, 含有至少80摩尔%丙烯酸或丙烯酸酯单体及其组合的酸或丙烯酸酯,随后加入含有约35-75摩尔%丙烯酸或丙烯酸酯和约约80摩尔%丙烯酸的共聚物的苛性碱回收回路中的更稀的阶段 65至25摩尔%的烯属不饱和可聚合单体。

    Flocculating reagents
    6.
    发明授权
    Flocculating reagents 失效
    絮凝剂

    公开(公告)号:US4415458A

    公开(公告)日:1983-11-15

    申请号:US350372

    申请日:1982-02-19

    Applicant: Pearl M. Klein

    Inventor: Pearl M. Klein

    Abstract: Cost effective and environmentally acceptable reagents and a method for flocculating fine particles from liquid suspensions are provided. A method for selectively flocculating fine particles from a slurry is also provided. The reagents comprise orange peel extract, corn husk extract and mixtures thereof. The method generally comprises the step of adding a reagent to a suspension of fine particles, mixing the combination of reagent and suspension and allowing the flocculated fine particles to settle out of suspension.

    Abstract translation: 提供了成本有效和环境可接受的试剂以及从液体悬浮液中絮凝细颗粒的方法。 还提供了用于从浆料中选择性地絮凝细颗粒的方法。 试剂包括橙皮提取物,玉米壳提取物及其混合物。 该方法通常包括将试剂添加到细颗粒的悬浮液中,混合试剂和悬浮液的组合并使絮凝的细颗粒沉淀出悬浮液的步骤。

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