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358 条记录 (耗时 0.029 秒)

    METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE
    1.
    发明公开
    METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE 审中-公开

    公开(公告)号：US20240082854A1

    公开(公告)日：2024-03-14

    申请号：US18270322

    申请日：2021-12-22

    申请人： BASF SE

    发明人： Gabriela Budemberg ,  Alexej Michailovski ,  Bettina Sobotka

    IPC分类号： B03D1/008 ,  B03D1/01

    CPC分类号： B03D1/008 ,  B03D1/01 ,  B03D2201/02 ,  B03D2201/06 ,  B03D2203/04

    摘要： The invention relates to a method for manufacturing a concentrate enriched in iron mineral content from an ore, which contains an iron mineral and silicate, by a reverse flotation, which method comprises the step of (c) adding a collector composition comprising



    (i) an amidoamine, which contains a compound of formula I










    or a salt of a protonated compound of formula I and an anion;
    (ii) an ethoxylate, which contains a compound of formula II






    RE—O—(—CH2—CH2—O—)n—H  (II),



    wherein RE is a linear or mono-branched aliphatic C10-C20 alkyl or a linear aliphatic C10-C20 alkenyl, and n is an integer from 1 to 12,

    to a prepared aqueous pulp of the ore and optionally one or more flotation auxiliary to obtain an aqueous mixture. Furthermore, the use of the collector composition as a flotation collector is described and the collector composition itself

    FROTHING AGENT FOR FLOTATION OF ORES
    3.
    发明公开
    FROTHING AGENT FOR FLOTATION OF ORES 审中-公开

    公开(公告)号：US20230302463A1

    公开(公告)日：2023-09-28

    申请号：US18015625

    申请日：2021-07-27

    申请人： BASF SE

    发明人： Graeme Levi Stewart ,  Alexej Michailovski ,  Yoav Zuk

    IPC分类号： B03D1/008 ,  B03D1/004

    CPC分类号： B03D1/008 ,  B03D1/0043 ,  B03D2201/04 ,  B03D2203/02

    摘要： Described herein are methods for flotation of an ore. The methods include providing an aqueous suspension having an ore in the form of particles, water, and a first frothing agent including a poly(tetrahydrofuran), in a flotation cell to obtain a provided aqueous suspension. The method further includes introducing air into the provided aqueous suspension to obtain a froth. Further described herein are specific aqueous suspensions having ore particles and poly(tetrahydrofuran) and uses of poly(tetrahydrofuran) as a frothing agent for an aqueous suspension having an ore in the form of particles.

    Method For Flotation Of A Phosphate-Containing Ore
    5.
    发明申请
    Method For Flotation Of A Phosphate-Containing Ore 有权

    公开(公告)号：US20230066944A1

    公开(公告)日：2023-03-02

    申请号：US17791090

    申请日：2021-01-07

    申请人： BASF SE

    发明人： Susan Carvalho ,  Alexej Michailovski ,  Rostislav Kamkin ,  Bettina Sobotka

    IPC分类号： B03D1/02 ,  B03D1/008 ,  B03D1/004

    摘要： The invention relates to a method for manufacturing a concentrate enriched in a phosphate mineral content from an ore, which contains a phosphate mineral and a non-phosphate mineral, by a flotation, which method comprises the step of adding a surfactant system comprising (A) a fatty acid, (B) a blend of ethoxylated and non-ethoxylated alcohols, which is obtainable by blending (i) a reaction product of a first C12-C16 aliphatic alcohol having an average degree of branching of 1.9 to 3.5 and 10 to 20 equivalents of ethylene oxide, and (ii) a second C12-C16 aliphatic alcohol having an average degree of branching of 1.9 to 3.5, wherein the amount of (i) is 80 to 95 wt. % and the amount of (ii) is 5 to 20 wt. % and wt. % is based on the overall weight of the mixture of ethoxylated and non-ethoxylated alcohols, to a prepared aqueous pulp of the ore and optionally one or more flotation auxiliaries to obtain an aqueous mixture. Furthermore, a use of the surfactant system as flotation collector is disclosed.

    Reagent scheme for sedimentary phosphate flotation
    8.
    发明授权
    Reagent scheme for sedimentary phosphate flotation 有权

    公开(公告)号：US10919048B2

    公开(公告)日：2021-02-16

    申请号：US16176410

    申请日：2018-10-31

    申请人： Arr-Maz Products, L.P.

    发明人： Guoxin Wang ,  Yu Xiong ,  Zhengxing Gu

    IPC分类号： B03D1/02 ,  B03D1/006 ,  C01B25/32 ,  B03D1/008

    摘要： A process of phosphate flotation comprising: pulping phosphate ore with water to about 55% to 75% solids to produce an ore slurry; conditioning the ore slurry with a new reagent scheme to produce a conditioned slurry; subjecting the conditioned slurry to flotation to produce an underflow and an overflow; and collecting the overflow as phosphate concentrate. The new reagent scheme may comprise a combination of fatty acid, fuel oil, and fatty acid soap, and may not comprise a pH modifier. The process may also work effectively at a lower percent solids than conventional reagent schemes.