Selective flotation of phosphate minerals with hydroxamate collectors
    1.
    发明授权
    Selective flotation of phosphate minerals with hydroxamate collectors 有权
    选择性浮选磷酸盐矿物与异羟肟酸盐收集器

    公开(公告)号:US06341697B1

    公开(公告)日:2002-01-29

    申请号:US09699967

    申请日:2000-10-30

    IPC分类号: B03D101

    摘要: A method is disclosed for separating phosphate minerals from a mineral mixture, particularly from high-dolomite containing phosphate ores. The method involves conditioning the mineral mixture by contacting in an aqueous in environment with a collector in an amount sufficient for promoting flotation of phosphate minerals. The collector is a hydroxamate compound of the formula; wherein R is generally hydrophobic and chosen such that the collector has solubility or dispersion properties it can be distributed in the mineral mixture, typically an alkyl, aryl, or alkylaryl group having 6 to 18 carbon atoms. M is a cation, typically hydrogen, an alkali metal or an alkaline earth metal. Preferably, the collector also comprises an alcohol of the formula, R′—OH wherein R′ is generally hydrophobic and chosen such that the collector has solubility or dispersion properties so that it can be distributed in the mineral mixture, typically an alkyl, aryl, or alkylaryl group having 6 to 18 carbon atoms.

    摘要翻译: 公开了一种从矿物混合物中分离磷酸盐矿物的方法,特别是来自含高白云石的磷酸盐矿石。 该方法包括通过使环境中的水溶液与足以促进磷酸盐矿物浮选的量的收集器接触来调节矿物混合物。 收集器是下式的异肟酸酯化合物:其中R通常是疏水性的并且选择为使得收集器具有溶解度或分散性,其可以分布在矿物混合物中,通常为具有6至18个碳原子的烷基,芳基或烷基芳基 。 M是阳离子,通常为氢,碱金属或碱土金属。 优选地,收集器还包含下式的醇,其中R'通常是疏水性的并且选择为使得收集器具有溶解度或分散性质,使得其可以分布在矿物混合物中,通常为分布在烷基,芳基或烷芳基中, 6至18个碳原子。

    Magnetic activated carbon particles for adsorption of solutes from solution
    4.
    发明授权
    Magnetic activated carbon particles for adsorption of solutes from solution 有权
    用于从溶液中吸附溶质的磁性活性炭颗粒

    公开(公告)号:US08097185B2

    公开(公告)日:2012-01-17

    申请号:US10468882

    申请日:2002-02-26

    摘要: A composition of and method for forming activated carbon with magnetic properties for magnetic separation of the activated carbon from a liquid being treated is disclosed wherein a solution iron magnetic precursor is intimately mixed or absorbed into a porous carbon precursor or mixed with a solution or meltable carbon precursor to form an essentially homogeneous mixture or solution that when dried and pyrolized forms activated carbon particles with magnetic material evenly dispersed throughout the activated carbon material. The activated carbon particles may be of fine particle size, even powdered, and still retain magnetic properties sufficient for magnetic separation. In a particular aspect of the invention, a carbon precursor of soft wood is soaked in a solution of a ferric salt, dried, pyrolized and activated.

    摘要翻译: 公开了一种用于形成具有磁性能的活性炭的组合物和方法,用于从被处理的液体中分离活性炭,其中将铁磁性前体溶液紧密混合或吸收到多孔碳前体中或与溶液或可熔碳 形成基本上均匀的混合物或溶液的前体,当干燥和热解形成活性炭颗粒时,磁性材料均匀分散在整个活性炭材料中。 活性炭颗粒可以是细颗粒尺寸,甚至是粉末状的,并且仍然保持足够磁性分离的磁性。 在本发明的特定方面,将软木炭的碳前体浸入铁盐溶液中,干燥,热解并活化。

    Spinning Fluids Reactor
    5.
    发明申请
    Spinning Fluids Reactor 有权
    纺纱液反应堆

    公开(公告)号:US20110223091A1

    公开(公告)日:2011-09-15

    申请号:US13056720

    申请日:2009-07-31

    摘要: A spinning fluids reactor, includes a reactor body (24) having a circular cross-section and a fluid contactor screen (26) within the reactor body (24). The fluid contactor screen (26) having a plurality of apertures and a circular cross-section concentric with the reactor body (24) for a length thus forming an inner volume (28) bound by the fluid contactor screen (26) and an outer volume (30) bound by the reactor body (24) and the fluid contactor screen (26). A primary inlet (20) can be operatively connected to the reactor body (24) and can be configured to produce flow-through first spinning flow of a first fluid within the inner volume (28). A secondary inlet (22) can similarly be operatively connected to the reactor body (24) and can be configured to produce a second flow of a second fluid within the outer volume (30) which is optionally spinning.

    摘要翻译: 纺丝流体反应器包括具有圆形横截面的反应​​器主体(24)和反应器主体(24)内的流体接触器筛(26)。 流体接触器屏幕(26)具有多个孔和与反应器主体(24)同心的圆形横截面,从而形成由流体接触器筛网(26)结合的内部容积(28)的长度,以及外部体积 (30)与反应器主体(24)和流体接触器筛(26)结合。 主入口(20)可以可操作地连接到反应器主体(24)并且可以被构造成在内部容积(28)内产生第一流体的流过第一纺丝流。 次级入口(22)可以类似地可操作地连接到反应器主体(24)并且可以被配置为在外部容积(30)内产生可选地旋转的第二流体的第二流。

    Chemical conditioning of fine coal for improved flotation and pyrite
rejection
    8.
    发明授权
    Chemical conditioning of fine coal for improved flotation and pyrite rejection 失效
    细煤的化学调节改善浮选和黄铁矿排斥

    公开(公告)号:US4828686A

    公开(公告)日:1989-05-09

    申请号:US58909

    申请日:1987-06-05

    申请人: Jan D. Miller Yi Ye

    发明人: Jan D. Miller Yi Ye

    IPC分类号: B03D1/002 B03D1/02

    摘要: A method for enhancing hydrophobicity of high volatile bituminous coal and coals of a lower grade and for separating ash and sulfur (including pyritic sulfur) contaminants from coal in a floatation process. The method comprises the steps of grinding the coal to small particulate size, forming a slurry of the ground coal and mixing the slurry with at least one compound selected from the group comprising inorganic peroxy compounds, the preferred compound being oxone which is a mixture of potassium monopersulfate, potassium hydrogen sulfate and potassium sulfate. This slurry is allowed to react to condition the particulate coal and develop increased hydrophobicity for the coal while depressing the sulfur contaminants and ash during froth flotation.

    摘要翻译: 一种提高高挥发性烟煤和较低级煤的疏水性的方法,用于在浮选过程中从煤中分离灰分和硫(包括黄铁矿硫)污染物。 该方法包括以下步骤:将煤粉碎成小颗粒尺寸,形成研磨煤的浆料,并将浆料与至少一种选自无机过氧化合物的化合物混合,优选的化合物为氢氧化钾,其为钾 单硫酸盐,硫酸氢钾和硫酸钾。 允许该浆料反应以调节颗粒状煤并且在泡沫浮选期间抑制硫污染物和灰分时,对煤产生增加的疏水性。

    Process for separating high viscosity bitumen from tar sands
    9.
    发明授权
    Process for separating high viscosity bitumen from tar sands 失效
    从沥青砂分离高粘度沥青的方法

    公开(公告)号:US4486294A

    公开(公告)日:1984-12-04

    申请号:US543193

    申请日:1983-10-17

    摘要: A novel process for separating high viscosity bitumen from tar sand. The process includes grinding the tar sand to obtain phase disengagement of the bitumen phase from the sand phase and thereafter using flotation techniques to obtain phase separation of the bitumen phase from the sand phase. Phase disengagement is assisted by using a suitable wetting agent such as sodium carbonate or sodium silicate during the grinding step, while the phase separation step is assisted by the inclusion of a promoter oil for the flotation step.

    摘要翻译: 从沥青砂分离高粘度沥青的新方法。 该方法包括研磨焦油砂,以获得沥青相与砂相的相脱落,然后使用浮选技术获得沥青相与砂相的相分离。 在研磨步骤期间通过使用合适的润湿剂如碳酸钠或硅酸钠来辅助相脱落,而相分离步骤通过包含用于浮选步骤的促进剂油来辅助。

    Spinning fluids reactor
    10.
    发明授权
    Spinning fluids reactor 有权
    旋转流体反应器

    公开(公告)号:US08313716B2

    公开(公告)日:2012-11-20

    申请号:US13056720

    申请日:2009-07-31

    摘要: A spinning fluids reactor, includes a reactor body (24) having a circular cross-section and a fluid contactor screen (26) within the reactor body (24). The fluid contactor screen (26) having a plurality of apertures and a circular cross-section concentric with the reactor body (24) for a length thus forming an inner volume (28) bound by the fluid contactor screen (26) and an outer volume (30) bound by the reactor body (24) and the fluid contactor screen (26). A primary inlet (20) can be operatively connected to the reactor body (24) and can be configured to produce flow-through first spinning flow of a first fluid within the inner volume (28). A secondary inlet (22) can similarly be operatively connected to the reactor body (24) and can be configured to produce a second flow of a second fluid within the outer volume (30) which is optionally spinning.

    摘要翻译: 纺丝流体反应器包括具有圆形横截面的反应​​器主体(24)和反应器主体(24)内的流体接触器筛(26)。 流体接触器筛(26)具有多个孔,并且具有与反应器主体(24)同心的圆形横截面,从而形成由流体接触器筛网(26)结合的内部容积(28)的长度,以及外部容积 (30)与反应器主体(24)和流体接触器筛(26)结合。 主入口(20)可以可操作地连接到反应器主体(24)并且可以被构造成在内部容积(28)内产生第一流体的流过第一纺丝流。 次级入口(22)可以类似地可操作地连接到反应器主体(24)并且可以被配置为在外部容积(30)内产生可选地旋转的第二流体的第二流。