公开(公告)号：US20240002975A1

公开(公告)日：2024-01-04

申请号：US18039427

申请日：2021-11-30

申请人： SMS group GmbH

发明人： Frank Marlin KAUSSEN ,  Nikolaus Peter Kurt BOROWSKI ,  Markus Andreas REUTER ,  Stephan GEIMER ,  Timm LUX ,  Rolf DEGEL

IPC分类号： C22B5/12

CPC分类号： C22B5/12

摘要： The present disclosure relates to a method for the pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary waste materials (M), wherein these are fed in shredded form to a smelting unit (1) which includes a smelting zone (6), a main reaction zone (7) and a secondary reaction zone (8) and are smelted in the presence of an oxidizing, reducing and/or inert gas and/or gas mixture (G), such that a liquid melt phase (9), a liquid slag phase (10) and a gas phase are formed. The oxidizing, reducing and/or inert gas and/or gas mixture (G) is supplied in compressed form via at least one injector (11) and is expanded adiabatically within the smelting unit (1) and is then injected as adiabatically expanded gas and/or gas mixture into the liquid slag phase (10).

公开(公告)号：US20230357884A1

公开(公告)日：2023-11-09

申请号：US18352745

申请日：2023-07-14

申请人： Environmental Clean Technologies Limited

发明人： Keith Michael HENLEY-SMITH ,  Adam David GILES ,  Lachlan Phillip Clive BARTSCH ,  Ashley Charles MOORE

IPC分类号： C22B1/245 ,  C21B13/00 ,  C21B13/04 ,  C22B5/12

CPC分类号： C22B1/245 ,  C21B13/0066 ,  C21B13/04 ,  C22B5/12 ,  C21B13/0073

摘要： A continuous process for low temperature reduction of metal oxides from carbonaceous material, using in situ produced reducing gas. In particular, a method of reducing metal oxide to metal in a continuous process comprising:



(a) continuously introducing composite bodies comprising low rank carbonaceous material and metal oxide containing material that are in intimate contact and in a dry mix ratio of from about 1:2 to about 1:10 to an upper region of an upright retort;
(b) conveying said bodies from said upper region to a heated lower region of said retort wherein said composite bodies are exposed to increasing temperature of up to about 950° C. and wherein said composite bodies are exposed to reducing gas generated in situ for a period of from about 15 minutes to about 3 hours to thereby produce a reduced metal containing product; and
(c) continuously removing the reduced metal containing product from a lower

公开(公告)号：US20230257854A1

公开(公告)日：2023-08-17

申请号：US18157014

申请日：2023-01-19

申请人： VRB ENERGY OPERATIONS (BEIJING) CO. LTD.

发明人： Mianyan HUANG ,  Qiming GE ,  Shuang XU

IPC分类号： C22B34/22 ,  C22B5/12

CPC分类号： C22B34/22 ,  C22B5/12

摘要： The present application relates to the technical field of non-ferrous metal reduction, and specifically to a method and device for accurately controlling a reduction valence state of high-purity vanadium pentoxide. An example method includes: introducing a reducing gas into the vanadium pentoxide to carry out a reduction reaction under a heating condition to obtain a mixture; weighing the mixture during the reduction reaction, and stopping the reaction when the weight of the mixture reaches a specified value; and introducing a cooling gas into the mixture for cooling to obtain calcine. An example device includes: a conveying member; a casing arranged on the conveying member; a partition member on the casing and dividing the inside of the casing into a reduction zone and a protection cooling zone; a material storage member on the conveying member for placing materials; and a weighing member on the conveying member.

公开(公告)号：US20230063785A1

公开(公告)日：2023-03-02

申请号：US17792610

申请日：2021-01-13

申请人： Rio Tinto Alcan International Limited

发明人： Tomas Mach

IPC分类号： B01J6/00 ,  C22B5/12 ,  C21B13/00

摘要： A process for treating a material, such as by calcination or reduction processes, is disclosed. The process comprises reacting hydrogen and oxygen in a reaction chamber and producing heat and steam, discharging steam from the reaction chamber, using the heat to treat the material and produce a treated material, and returning at least some of the steam discharged from the reaction chamber to the process. An apparatus is also disclosed.

公开(公告)号：US20220259699A1

公开(公告)日：2022-08-18

申请号：US17736930

申请日：2022-05-04

申请人： W. Davis Lee ,  Mark R. Amato

发明人： W. Davis Lee ,  Mark R. Amato

IPC分类号： C22B59/00 ,  C22B5/12

摘要： The invention comprises an apparatus and method of use thereof for generating a rare earth from a rare earth oxide, comprising the steps of: (1) dissociating the rare earth oxide and hydrogen gas in a reaction chamber by inductively heating the reaction chamber to greater than 2000° K to form the associated rare earth and water vapor in a reaction process; (2) driving the reaction process forward by removing the water vapor from the reaction chamber by condensing and freezing the water vapor on a first cold trap surface as water ice, where the reaction comprises: RE2O3+3H2→2RE+3 H2O, where REO is a rare earth oxide and RE comprises a rare earth in the rare earth oxide; and/or (3) monitoring the reaction process by monitoring generation of at least one of the rare earth and the water in a control system designed for continuous/semi-continuous operation.

公开(公告)号：US20200263274A1

公开(公告)日：2020-08-20

申请号：US16617436

申请日：2018-04-12

申请人： SE CORPORATION

发明人： Tsutomu TAKIZAWA ,  Mineo MORIMOTO ,  Yuichi SAKAMOTO

IPC分类号： C22B5/12 ,  H01M8/065 ,  C22B26/22 ,  B01J19/12 ,  C01B6/04 ,  C01B3/00 ,  H01J37/32

摘要： One object of the present disclosure is to provide a production method of magnesium hydride that is free of carbon dioxide and has high production efficiency, a power generation system that does not emit carbon dioxide or radiation using magnesium hydride, and an apparatus for producing magnesium hydride; therefore, the method for producing magnesium hydride of the present disclosure comprises a procedure for irradiating a magnesium compound different from magnesium hydride with hydrogen plasma, and a procedure for depositing a magnesium product containing magnesium hydride on a depositor for depositing magnesium hydride disposed within the range in which hydrogen plasma is present, wherein the surface temperature of the depositor is kept no more than a predetermined temperature at which magnesium hydride precipitates.

公开(公告)号：US10323300B1

公开(公告)日：2019-06-18

申请号：US15254232

申请日：2016-09-01

申请人： Energy, United States Department of

发明人： Prahbat K. Tripathy ,  William D Swank ,  Delon C. Haggard ,  Tedd E. Lister ,  Eric S. Peterson

IPC分类号： C22B1/00 ,  C22B5/12 ,  C22B7/00 ,  C22B59/00

摘要： A method to separate rare earth material from a rare earth magnet. At least one embodiment comprises a method that heats a provided rare earth magnet to at least 600° C. whereby the rare earth magnet absorbs a dry gas. Separated rare earth materials are created. Magnetic rare earth materials are produced from the separated rare earth materials.

公开(公告)号：US20180178292A1

公开(公告)日：2018-06-28

申请号：US15850375

申请日：2017-12-21

申请人： Pioneer Astronautics

发明人： Mark Berggren ,  Robert Zubrin ,  Jonathan David Rasmussen

IPC分类号： B22F9/22 ,  C01B33/025 ,  C01B33/06 ,  C22B5/12 ,  C22B26/22 ,  B33Y70/00 ,  C25B1/04

CPC分类号： B22F9/22 ,  B22F2201/013 ,  B22F2201/04 ,  B22F2202/09 ,  B22F2301/058 ,  B22F2301/35 ,  B22F2999/00 ,  B33Y70/00 ,  C01B33/025 ,  C01B33/06 ,  C21B13/0073 ,  C21B15/00 ,  C22B5/12 ,  C22B26/22 ,  C25B1/04 ,  Y02E60/366 ,  Y02P10/216

摘要： Novel methods for the production of iron, silicon, and magnesium metal from extraterrestrial and terrestrial resources are described. The methods employ processing steps including metal oxide reduction using carbon monoxide, carbon, hydrogen, and methane. Methods to prepare, regenerate, and recycle reductants to minimize mining and purchase of fresh materials and to minimize carbon emissions are included.

公开(公告)号：US20170349969A1

公开(公告)日：2017-12-07

申请号：US15537025

申请日：2015-12-18

申请人： KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

发明人： Uen Do LEE ,  Won YANG ,  Byung Ryeul BANG ,  Soo Hwa JEONG ,  Ji Hong MOON

IPC分类号： C22B5/12 ,  C22B30/06 ,  C22B25/02 ,  C22B58/00 ,  C22B13/02

摘要： The present invention relates to a reduction device using a liquid metal, which can improve the oxidation reaction of a reducing agent for reducing a material to be reduced using a liquid metal, while simultaneously effectively controlling the same. The reduction device according to the present invention comprises: a storage unit in which the liquid metal is supplied and stored; a reducing agent positioned in the storage unit; a reduction unit positioned on a side of the storage unit, which receives a material to be reduced and enables fluid communication with the storage unit; and a liquid metal storage unit. According to the present invention, a reducing agent, which has strong reducing ability, is sublimated using a liquid metal, thereby further improving the reduction capability, and the same is also controlled precisely, thereby removing restrictions on use resulting from the explosive reaction of the reducing agent, and guaranteeing efficient operation.

公开(公告)号：US09797026B2

公开(公告)日：2017-10-24

申请号：US14811037

申请日：2015-07-28

申请人： PRIMETALS TECHNOLOGIES AUSTRIA GMBH

发明人： Robert Millner ,  Guenter Peer

IPC分类号： C21B11/10 ,  C22B5/12 ,  C21B13/00 ,  C21B13/02

CPC分类号： C22B5/12 ,  C21B13/0073 ,  C21B13/02 ,  C21B2100/22 ,  C21B2100/282 ,  C21B2100/44 ,  C21B2100/64 ,  Y02P10/122 ,  Y02P10/128 ,  Y02P10/132 ,  Y02P10/136 ,  Y02P10/212 ,  Y02W30/54

摘要： In a process and apparatus for the reduction of metal oxides to form metalized material by contact with hot reducing gas, which is produced at least partially by catalytic reformation of a mixture of—a gas containing carbon dioxide (CO2) and/or steam (H2O) with—gaseous hydrocarbons, the fuel gas for burners which provide the heat for the endothermal reformation processes which take place during the reformation is obtained at least partially from a partial quantity of the top gas produced during the reduction of metal oxides to form metalized material, wherein this partial quantity of the top gas, before it is used as a component of the fuel gas, is firstly subjected to dedusting and then to a CO conversion reaction, and the conversion gas obtained during the CO conversion reaction is subjected to CO2 removal after cooling.