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公开(公告)号：US12070757B2
公开(公告)日：2024-08-27
申请号：US16389184
申请日：2019-04-19
Applicant: International Business Machines Corporation
Inventor： Julia Baldauf , Alexe Bojovschi , Stephen Moore
Abstract: A method of recovering particles from a liquid, a froth flotation apparatus, and a method of recovering particles in a flotation cell are disclosed. In an embodiment, the method comprises a technique of exposing the particles to first-size bubbles having a first predetermined size; the first-size bubbles adhering to the particles; and exposing the particles in a liquid, with the first-size bubbles adhering to the particles, to second-size bubbles having a second predetermined size, the second predetermined size being at least approximately ten times larger than the first predetermined size. The method further comprises the second-size bubbles adhering to the particles and engulfing the first-size bubbles on the particles; and using the second-size bubbles adhering to the particles to recover the particles from the liquid. In one embodiment a first surfactant is used to form the first-size bubbles, and a second surfactant is used to form the second-size bubbles.
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2.发明申请公开(公告)号：US20190240678A1
公开(公告)日：2019-08-08
申请号：US16389184
申请日：2019-04-19
Applicant: International Business Machines Corporation
Inventor： Julia Baldauf , Alexe Bojovschi , Stephen Moore
Abstract: A method of recovering particles from a liquid, a froth flotation apparatus, and a method of recovering particles in a flotation cell are disclosed. In an embodiment, the method comprises a technique of exposing the particles to first-size bubbles having a first predetermined size; the first-size bubbles adhering to the particles; and exposing the particles in a liquid, with the first-size bubbles adhering to the particles, to second-size bubbles having a second predetermined size, the second predetermined size being at least approximately ten times larger than the first predetermined size. The method further comprises the second-size bubbles adhering to the particles and engulfing the first-size bubbles on the particles; and using the second-size bubbles adhering to the particles to recover the particles from the liquid. In one embodiment a first surfactant is used to form the first-size bubbles, and a second surfactant is used to form the second-size bubbles.
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公开(公告)号：US20170173594A1
公开(公告)日：2017-06-22
申请号：US14978411
申请日：2015-12-22
Applicant: International Business Machines Corporation
Inventor： Julia Baldauf , Alexe Bojovschi , Benjamin S. Mashford , Christine Schieber , George Yiapanis
CPC classification number: B03D1/006 , B03D1/023 , B03D1/12 , B03D2201/02
Abstract: In one example, a method includes providing a pulp composed of a combination of particulate materials including particles of a target material. The pulp is mixed with a collector composed of anisotropic particles having at least two separate spatial domains that have different physiochemical properties, and the mixture of pulp and collector is fed into an aqueous solution containing air bubbles.
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4.发明申请System And Method For Characterizing NANO/MICRO Bubbles For Particle Recovery 有权用于表征NANO / MICRO气泡用于颗粒回收的系统和方法公开(公告)号：US20170011506A1
公开(公告)日：2017-01-12
申请号：US14797348
申请日：2015-07-13
Applicant: International Business Machines Corporation
Inventor： Alexe Bojovschi , Xi Liang
IPC: G06T7/00
CPC classification number: G06T7/0008 , A61L15/42 , G01N1/34 , G01N13/00 , G01N13/02 , G01N15/1404 , G01N15/1463 , G01N33/566 , G01N2013/0208 , G01N2015/0053 , G01N2035/1053 , G06T7/73 , G06T2207/30108
Abstract: A control system for a froth flotation system receives inputs from one or more sensors comprising images of a fluid having bubbles and particles therein; some of the bubbles are attached to some of the particles and suspended in the fluid. For at least some of the bubbles with attached particles, it is determined from the inputs at least two contact angles at different locations at which the respective bubble is attached to the particle. These contact angles are used to predict a process improvement by which bubbles would more efficiently float the particles out of the fluid, as compared to that represented by the input images. An output is then provided for driving a graphical display screen, the output comprising at least one of: a) a graphical representation of the determined at least two contact angles; and b) a graphical representation of the predicted process improvement.
Abstract translation: 用于泡沫浮选系统的控制系统从一个或多个传感器接收包括其中具有气泡和颗粒的流体的图像的输入; 一些气泡附着在一些颗粒上并悬浮在流体中。 对于具有附着颗粒的至少一些气泡，根据输入确定各个气泡附着于颗粒的不同位置处的至少两个接触角。 这些接触角用于预测与输入图像所表示的相比，气泡将更有效地将颗粒从流体中浮出的过程改进。 然后提供用于驱动图形显示屏幕的输出，所述输出包括以下中的至少一个：a）所确定的至少两个接触角的图形表示; 和b）预测过程改进的图形表示。
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公开(公告)号：US11413629B2
公开(公告)日：2022-08-16
申请号：US16579363
申请日：2019-09-23
Applicant: International Business Machines Corporation
Inventor： Julia Baldauf , Alexe Bojovschi , Benjamin S. Mashford , Christine Schieber , George Yiapanis
Abstract: In one example, a method includes providing a pulp composed of a combination of particulate materials including particles of a target material. The pulp is mixed with a collector composed of anisotropic particles having at least two separate spatial domains that have different physiochemical properties, and the mixture of pulp and collector is fed into an aqueous solution containing air bubbles.
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Patent Agency Ranking
公开(公告)号：US20190227578A1
公开(公告)日：2019-07-25
申请号：US16372548
申请日：2019-04-02
Applicant: International Business Machines Corporation
Inventor： Alexe Bojovschi , Rajib CHAKRAVORTY , Sridhar KANNAM , Xi LIANG
CPC classification number: G05D7/0629 , C02F1/24 , C02F1/5209 , C02F1/547 , C02F2209/006 , C02F2303/26 , C02F2305/04
Abstract: A flocculation control system that floats particles that attach to nano and/or micro bubbles out of a liquid includes at least one sensing system, at least one processing system, and at least one fluid additive control system. The at least one sensing system is configured to reproduce one or more nano-bubbles with one or more particles suspended in a fluid. The at least one processing system is configured to measure, using outputs of the at least one sensing system, incident angles between the one or more nano-bubbles and the one or more particles suspended in the fluid. And the at least one fluid additive control system is configured to adjust, based on at least the incident angles, an amount of a surfactant being added to the fluid.
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7.发明申请公开(公告)号：US20170043356A1
公开(公告)日：2017-02-16
申请号：US14822325
申请日：2015-08-10
Applicant: International Business Machines Corporation
Inventor： Julia S. Baldauf , Alexe Bojovschi , Stephen M. Moore , Priscilla R. Rogers , Christine Schieber
CPC classification number: B03D1/028 , B03D1/02 , B03D1/04 , B03D1/1431
Abstract: Nanobubbles are employed to bridge microbubbles and non-buoyant particles, thereby creating sufficient capillary forces between the particles and microbubbles such that relatively large, heavy particles can be separated from an aqueous slurry. Nanobubbles are formed on hydrophobic particle surfaces. The microbubbles, which function as collecting air bubbles, form attachments with the particles. The nanobubbles create additional capillary attachment forces between the particles and microbubbles, allowing the microbubbles to rise with the attached particles to the top of the slurry for separation and recovery.
Abstract translation: 纳米气泡用于桥接微泡和非浮力颗粒，从而在颗粒和微泡之间产生足够的毛细管力，使得相对较大的重颗粒可以与含水浆液分离。 纳米泡沫形成在疏水性颗粒表面。 用作收集气泡的微泡与颗粒形成附着物。 纳米气泡在颗粒和微泡之间产生额外的毛细管附着力，允许微泡随着附着的颗粒升高到浆料的顶部以进行分离和回收。
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公开(公告)号：US10671097B2
公开(公告)日：2020-06-02
申请号：US16372548
申请日：2019-04-02
Applicant: International Business Machines Corporation
Inventor： Alexe Bojovschi , Rajib Chakravorty , Sridhar Kannam , Xi Liang
Abstract: A flocculation control system that floats particles that attach to nano and/or micro bubbles out of a liquid includes at least one sensing system, at least one processing system, and at least one fluid additive control system. The at least one sensing system is configured to reproduce one or more nano-bubbles with one or more particles suspended in a fluid. The at least one processing system is configured to measure, using outputs of the at least one sensing system, incident angles between the one or more nano-bubbles and the one or more particles suspended in the fluid. And the at least one fluid additive control system is configured to adjust, based on at least the incident angles, an amount of a surfactant being added to the fluid.
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公开(公告)号：US10464075B2
公开(公告)日：2019-11-05
申请号：US14978411
申请日：2015-12-22
Applicant: International Business Machines Corporation
Inventor： Julia Baldauf , Alexe Bojovschi , Benjamin S. Mashford , Christine Schieber , George Yiapanis
Abstract: In one example, a method includes providing a pulp composed of a combination of particulate materials including particles of a target material. The pulp is mixed with a collector composed of anisotropic particles having at least two separate spatial domains that have different physiochemical properties, and the mixture of pulp and collector is fed into an aqueous solution containing air bubbles.
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公开(公告)号：US10155229B2
公开(公告)日：2018-12-18
申请号：US14822325
申请日：2015-08-10
Applicant: International Business Machines Corporation
Inventor： Julia S. Baldauf , Alexe Bojovschi , Stephen M. Moore , Priscilla R. Rogers , Christine Schieber
Abstract: Nanobubbles are employed to bridge microbubbles and non-buoyant particles, thereby creating sufficient capillary forces between the particles and microbubbles such that relatively large, heavy particles can be separated from an aqueous slurry. Nanobubbles are formed on hydrophobic particle surfaces. The microbubbles, which function as collecting air bubbles, form attachments with the particles. The nanobubbles create additional capillary attachment forces between the particles and microbubbles, allowing the microbubbles to rise with the attached particles to the top of the slurry for separation and recovery.
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