公开(公告)号：US11958062B2

公开(公告)日：2024-04-16

申请号：US17215340

申请日：2021-03-29

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Bongju Kim ,  Yongkwon Koh ,  Jangsoon Kwon

IPC: B03D1/006 ,  B03D1/01 ,  B03D1/24

CPC classification number: B03D1/006 ,  B03D1/01 ,  B03D1/242 ,  B03D1/247 ,  B03D2203/02

Abstract: A multi-stage float sorting device includes a first flotator float-sorting ores mixed with water based on a difference in density, and a second flotator provided with a column extending in a top-down direction, one side of which communicates with the first flotator to receive primary concentrates, and float-sorts the primary concentrates based on a difference in density to obtain secondary concentrates. The second flotator includes a washing water jetting section provided at a top of the column to jet washing water, a gas sparger provided at a bottom of the column to jet an inert gas, and an opening and closing section located between the washing water jetting section and the gas sparger to partition an inside of the column into upper and lower regions, and form an opening for rising secondary concentrates in the column according to a pressure state of the lower region.

公开(公告)号：US10005088B2

公开(公告)日：2018-06-26

申请号：US15389619

申请日：2016-12-23

Applicant: Lakehead University

Inventor： Inderjit Nirdosh ,  Natarajan Ramanathan

IPC: C22B1/24 ,  B03D1/01 ,  B02C23/08 ,  C22B3/00

CPC classification number: B03D1/01 ,  B02C23/08 ,  B03D1/012 ,  B03D1/02 ,  B03D2201/02 ,  B03D2203/02 ,  C22B1/24 ,  C22B3/00

Abstract: The main objective of the invention was to develop a new flotation collector that could eliminate or reduce the amount of copper sulfate used in the flotation of sphalerite. Different series of collectors such as cupferrons, arylhydroxamic acids and amino mercaptans or amino thiols were synthesized and tested. Amino mercaptans/aminothiols were found to be very effective in floating sphalerite from a lead-zinc ore using only 10-15% of copper sulfate used with conventional xanthate collector. The present invention does not require any alteration in the current mill practices. This warrants only changing the flotation collector in zinc flotation stage from, for example, potassium amyl xanthate (PAX) to the new collector.

公开(公告)号：US20180071752A1

公开(公告)日：2018-03-15

申请号：US15538471

申请日：2015-12-18

Applicant: KEMIRA OYJ

Inventor： Lucas Moore ,  Xihui Yin ,  Jean Robert Durand

IPC: B03D1/016 ,  B03D1/008 ,  B03D1/01

CPC classification number: B03D1/016 ,  B03D1/008 ,  B03D1/01 ,  B03D2201/06 ,  B03D2203/02

Abstract: Depressants comprising a polymer comprising: a) recurring units of one or more acrylamide monomers; b) recurring units of one or more monomers selected from hydroxyalkyl alkylacrylate, allyloxyalkyldiol, allyloxyethanol, trimethylolpropane allyl ether, and 2-hydroxy ethyl acrylate; and optionally, c) recurring units of one or more acrylic acid monomers are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, wherein the process comprises carrying out a flotation process in the presence of one or more of the depressants.

公开(公告)号：US09758396B2

公开(公告)日：2017-09-12

申请号：US13675661

申请日：2012-11-13

Applicant: Soane Mining LLC

Inventor： Michael C. Berg ,  John H. Dise ,  Kevin T. Petersen ,  David S. Soane ,  Kristoffer K. Stokes ,  William Ware, Jr. ,  Atul C. Thakrar

IPC: C02F1/38 ,  C02F1/40 ,  C02F1/52 ,  C02F1/54 ,  C02F1/56 ,  C02F9/00 ,  B03D1/01 ,  C02F1/00

CPC classification number: C02F1/54 ,  B03D1/01 ,  C02F1/001 ,  C02F1/385 ,  C02F1/40 ,  C02F1/5236 ,  C02F1/5263 ,  C02F1/56 ,  C02F9/00 ,  C02F2001/007 ,  C02F2103/10 ,  C02F2305/12

Abstract: Disclosed herein are systems for removing particulate matter from a fluid, comprising a particle functionalized by attachment of at least one activating group or amine functional group, wherein the modified particle complexes with the particulate matter within the fluid to form a removable complex therein. The particulate matter has preferably been contacted, complexed or reacted with a tethering agent. The system is particularly advantageous to removing particulate matter from a tailing solution.

公开(公告)号：US20170028410A1

公开(公告)日：2017-02-02

申请号：US15225690

申请日：2016-08-01

Applicant: Colorado School of Mines

Inventor： Corby G. Anderson ,  Hao Cui

IPC: B03D1/008 ,  B03C1/033 ,  B03D1/01 ,  C01F17/00

CPC classification number: B03D1/008 ,  B03C1/032 ,  B03C1/0335 ,  B03C2201/18 ,  B03C2201/20 ,  B03D1/002 ,  B03D1/01 ,  B03D1/012 ,  B03D1/02 ,  B03D2201/007 ,  B03D2201/02 ,  B03D2203/04 ,  B03D2203/10 ,  C01F17/005

Abstract: Disclosed herein are methods and systems for recovery of ancylite, a rare earth mineral comprising strontium carbonate, from rare earth ore. In many embodiments, the disclosed methods and systems provide for recovery of greater than 50% of the ancylite from an ancylite containing ore. In many embodiments, the ore is subjected to flotation in the presence of an acid, for example a hydroxamic acid, such as octanohydroxamic acid. The ore may also be subjected to magnetic separation, for example wet high intensity magnetic separation.

Abstract translation: 本文公开了用于从稀土矿石中回收含有碳酸锶的稀土矿物的方法和系统。 在许多实施例中，所公开的方法和系统提供从含有矿物的矿物中回收大于50％的副矿。 在许多实施方案中，矿石在酸存在下进行浮选，例如异羟肟酸如辛酸异羟肟酸。 矿石也可以进行磁分离，例如湿高强度磁分离。

公开(公告)号：US09387490B2

公开(公告)日：2016-07-12

申请号：US13862117

申请日：2013-04-12

Applicant: VALE S.A.

Inventor： Jie Dong ,  Manqiu Xu

IPC: B03D1/02 ,  B03D1/06 ,  B03D1/016 ,  B03D1/018 ,  B03D1/01 ,  B03D1/012 ,  B03D1/014

CPC classification number: B03D1/01 ,  B03D1/012 ,  B03D1/014 ,  B03D1/016 ,  B03D1/018 ,  B03D1/06 ,  B03D2201/02 ,  B03D2201/06 ,  B03D2203/02

Abstract: A method of using the synergy of multiple depressants to improve the depression of iron sulphide without compromising the recovery of the valuable sulphide minerals in the flotation of non-ferrous metal sulphides, while reducing or eliminating the use of environmentally problematic chemicals such as polyamines. The method has significant economic and environmental benefits. The multiple depressants comprise at least one organic polymer, at least one sulphur-containing compound and/or at least one nitrogen-containing organic compound.

Abstract translation: 使用多重抑制剂的协同作用的方法可以改善硫化铁的抑制，而不损害有色金属硫化物浮选中有价值的硫化物矿物的回收，同时减少或消除使用有环境问题的化学物质如多胺。 该方法具有重要的经济和环境效益。 多重抑制剂包含至少一种有机聚合物，至少一种含硫化合物和/或至少一种含氮有机化合物。

公开(公告)号：US09346061B2

公开(公告)日：2016-05-24

申请号：US14111187

申请日：2012-04-04

Applicant: Christian Bittner ,  Joerg Nieberle ,  Bernhard Ulrich von Vacano ,  Alexsandro Berger ,  Roland Boehn ,  Guenter Oetter

Inventor： Christian Bittner ,  Joerg Nieberle ,  Bernhard Ulrich von Vacano ,  Alexsandro Berger ,  Roland Boehn ,  Guenter Oetter

IPC: B03D1/02 ,  B03D1/01 ,  C07C233/18 ,  C07C233/17 ,  B03D1/004

CPC classification number: B03D1/01 ,  B03D1/0043 ,  B03D1/02 ,  B03D2201/02 ,  B03D2203/04 ,  C07C233/17 ,  C07C233/18

Abstract: The invention concerns a process for enriching an iron mineral from a silicate containing iron ore by inverse flotation comprising the addition of a collector or collector composition comprising at least one of the compounds of formulae RC(O)N(Z—O—X—NH2)2 (Ia); RC(O)N(Z—O—X—NH2)2H+ Y− (Ib); in which X is an aliphatic alkylene group containing 2 to 6 carbon atoms; Z is an aliphatic alkylene group containing 2 to 6 carbon atoms; Y− is an anion; and R is a saturated or unsaturated, linear or branched, aliphatic or aromatic moiety having between 7 and 23 carbon atoms. The invention also relates to the novel compounds according to formulae (Ia) and (Ib), compositions comprising said compounds and the use of compounds and formulations as collectors for enriching of iron mineral.

Abstract translation: 本发明涉及通过反浮选从含铁矿石的硅酸盐中富集铁矿物的方法，包括加入收集物或收集器组合物，其包含至少一种式RC（O）N（Z-O-X-NH 2） ）2（Ia）; RC（O）N（Z-O-X-NH 2）2 H + Y-（Ib）; 其中X是含有2至6个碳原子的脂族亚烷基; Z是含有2至6个碳原子的脂族亚烷基; Y-是阴离子; 且R为具有7至23个碳原子的饱和或不饱和的直链或支链的脂族或芳族部分。 本发明还涉及根据式（Ia）和（Ib）的新化合物，包含所述化合物的组合物和使用化合物和制剂作为铁矿物富集的收集剂。

公开(公告)号：US20160114337A1

公开(公告)日：2016-04-28

申请号：US14920855

申请日：2015-10-22

Applicant: Georgia-Pacific Chemicals LLC

Inventor： David R. Snead ,  Brian L. Swift

IPC: B03D1/02 ,  B03D1/01 ,  B03D1/008

CPC classification number: B03D1/021 ,  B03D1/008 ,  B03D1/01 ,  B03D2203/06

Abstract: Compositions, aqueous mixtures that include the composition and an ore, and methods for making and using same. The composition can include an organic acid and a polyamidoamine. The polyamidoamine can have the chemical formula (A). In the chemical formula (A), R1 and R2 can independently be a saturated or unsaturated, substituted or unsubstituted, linear or branched, cyclic, heterocyclic, or aromatic hydrocarbyl group, R3 and R4 can independently be hydrogen or a saturated or unsaturated, substituted or unsubstituted, linear or branched, cyclic, heterocyclic, or aromatic hydrocarbyl group, each m can be an integer of 1 to 5, and n can be an integer of 2 to 8. The aqueous mixture can include an ore, water, and the composition.

Abstract translation: 包含组合物和矿石的组合物，含水混合物及其制备和使用方法。 组合物可以包括有机酸和聚酰胺胺。 聚酰胺胺可具有化学式（A）。 在化学式（A）中，R 1和R 2可以独立地为饱和或不饱和的，取代或未取代的直链或支链，环状，杂环或芳族烃基，R 3和R 4可以独立地为氢或饱和或不饱和取代的 或未取代的直链或支链，环状，杂环或芳族烃基，每个m可以是1至5的整数，n可以是2至8的整数。含水混合物可以包括矿石，水和 组成。

公开(公告)号：US20150353836A1

公开(公告)日：2015-12-10

申请号：US14296857

申请日：2014-06-05

Applicant: Baker Hughes Incorporated

Inventor： Oleksandr V. Kuznetsov ,  Valery N. Khabashesku ,  Oleg A. Mazyar ,  Devesh Kumar Agrawal

IPC: C10G1/04 ,  B03D1/01 ,  B03D1/014 ,  B03D1/012 ,  B03D1/018 ,  B03D1/016

CPC classification number: C10G1/047 ,  B03D1/01 ,  B03D1/011 ,  B03D1/012 ,  B03D1/014 ,  B03D1/016 ,  B03D1/018 ,  B03D1/02 ,  B03D2201/002 ,  B03D2203/006 ,  C10G1/04 ,  C10G1/045 ,  Y10T428/2982

Abstract: A flocculant, according to embodiments of the present disclosure, includes a core nanoparticle and at least one positively charged functional group on a surface of the core nanoparticle. The nanoparticle may comprise a silica, alumina, titania, iron oxide, iron nitride, iron carbide, or a carbon-based nanoparticle. The flocculant may be used, in a method of bitumen recovery, to neutralize and agglomerate bitumen droplets and/or mineral particles derived from oil sands ore. The bitumen droplets agglomerate about the core nanoparticle of the flocculant to form bitumen flocs, while the mineral particles agglomerate about the core nanoparticle of the flocculant to form mineral flocs. The buoyant bitumen flocs may then separate from the dense mineral flocs to enable high-yield recovery of bitumen from oil sands.

Abstract translation: 根据本公开的实施方案的絮凝剂包括核心纳米颗粒和核心纳米颗粒表面上的至少一个带正电荷的官能团。 纳米颗粒可以包括二氧化硅，氧化铝，二氧化钛，氧化铁，氮化铁，碳化铁或碳基纳米颗粒。 沥青回收方法可以使用絮凝剂来中和和聚集来自油砂矿石的沥青液滴和/或矿物颗粒。 沥青液滴聚集在絮凝剂的核心纳米颗粒周围，以形成沥青絮凝物，而矿物颗粒聚集在絮凝剂的核心纳米颗粒周围形成矿物絮凝物。 然后，浮力的沥青絮凝物可以与密集的矿物絮凝物分离，从而可以从油砂中高产率地回收沥青。

公开(公告)号：US20150238976A1

公开(公告)日：2015-08-27

申请号：US14427063

申请日：2013-08-20

Applicant: Clariant Finance (BVI) Limited ,  Clariant S.A.

Inventor： Wagner Claudio Da Silva ,  Klaus Ulrich Pedain ,  Nilson Mar Bartalini ,  Zaira Guimaraes Duarte ,  Monica Speck Cassola ,  Jorge Antonio Arias Medina ,  Antonio Pedro Oliveira Filho

IPC: B03D1/008 ,  B03D1/02

CPC classification number: B03D1/008 ,  B03D1/01 ,  B03D1/011 ,  B03D1/021 ,  B03D1/023 ,  B03D2201/005 ,  B03D2201/02 ,  B03D2203/06

Abstract: The invention relates to a flotation agent for phosphate ore, comprising at least one fatty acid and at least one sarcosinate of the formula (I) wherein R is a C7 to C21 alkyl or alkenyl group, which sarcosinate may be present in the form of a cation derived therefrom caused by protonation of the nitrogen atom, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the sarcosinate of the formula (I) is from 1 to 30 wt.-%.

Abstract translation: 本发明涉及一种用于磷酸盐矿石的浮选剂，其包含至少一种脂肪酸和至少一种式（I）的肌氨酸盐，其中R是C 7至C 21烷基或烯基，其肌氨酸盐可以以 由氮原子的质子化引起的阳离子，其中脂肪酸的量为70-99重量％，其中式（I）的肌氨酸盐的量为1至30重量％。