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1. 发明公开

US20230382755A1 PROCESS FOR RECOVERING MATERIALS FROM BAUXITE RESIDUE, MICROWAVE REACTOR FOR HEATING MINING PRODUCTS AND METHOD FOR HEATING A MINING PRODUCT 审中-公开
公开(公告)号：US20230382755A1
公开(公告)日：2023-11-30
申请号：US18256766
申请日：2021-12-17
申请人： WAVE ALUMINUM BRASIL S.A.
发明人： Lucas ARANTES ARAÚJO
IPC分类号： C01F7/441 , C01B33/12 , C01G23/053 , F27D11/12 , H05B6/64 , F27D1/00 , B03C1/30 , C22B1/02 , C22B34/12 , C22B1/24 , C22B3/08 , C22B3/22 , B03B9/04
CPC分类号： C01F7/441 , B03C2201/20 , C01G23/0534 , F27D11/12 , H05B6/6491 , F27D1/0003 , B03C1/30 , C22B1/02 , C22B34/1213 , C22B34/1259 , C22B1/2406 , C22B3/08 , C22B3/22 , B03B9/04 , C01B33/126
摘要： This invention refers to a technically and economically viable process for recovery of relevant metallic and non-metallic contents from mining residues, particularly the bauxite residue, using it in its integral form. Such a process route uses energy from microwaves, assisted leaching and logic sequencing of steps that allow a technically and economically viable removal of components from the bauxite residue, particularly the residue from the Bayer process. The invention also refers to a microwave reactor that is appropriate for performing the above-mentioned process, as well as to a method for heating a mining product.

2. 发明授权

US11813591B2 Ethylene degradation catalyst and preparation method and use thereof 有权
公开(公告)号：US11813591B2
公开(公告)日：2023-11-14
申请号：US17559673
申请日：2021-12-22
申请人： China Energy Investment Corporation Limited , National Institute of Clean-and-Low-Carbon Energy
发明人： Ge Li , Baodong Wang , Ziran Ma , Jing Ma , Shengpan Peng , Hongyan Wang
IPC分类号： B01J21/06 , B01J35/00 , B01J35/02 , B01J6/00 , B01J37/04 , B01J37/08 , C22B1/02 , C22B3/08 , C22B34/12 , B01J23/02 , B01J37/06 , B82Y40/00 , F01N3/08 , F01N3/20
CPC分类号： B01J21/063 , B01J6/001 , B01J23/02 , B01J35/0006 , B01J35/023 , B01J37/04 , B01J37/08 , C22B1/02 , C22B3/08 , C22B34/125 , C22B34/1213 , B01J37/06 , B82Y40/00 , F01N3/0835 , F01N3/2066 , F01N2250/12
摘要： The present disclosure discloses an ethylene degradation catalyst and a preparation method and a use thereof.

3. 发明申请

US20070092425A1 Process for purifying inorganic materials 审中-公开
标题翻译：无机材料净化工艺
公开(公告)号：US20070092425A1
公开(公告)日：2007-04-26
申请号：US10554987
申请日：2003-12-19
申请人： Robert Lloyd
发明人： Robert Lloyd
IPC分类号： C01B33/08
CPC分类号： C01B9/08 , C01G23/0475 , C22B34/1213 , C22B34/1245
摘要： The invention relates to a process for purifying inorganic materials by treating the materials with a solution of hydrogen fluoride in aqueous hydrofluorosilicic acid. The process involves treating an inorganic material containing at least two species, to at least partially separate a first species contained in the material from a second species contained in the material, and comprises treating the material with a fluorine acid solution comprising aqueous hydrofluorosilicic acid and hydrofluoric acid (HF), such that the first species is converted to a product selected from the group consisting of a fluoride, a fluorosilicate and mixtures thereof, and such that the second species is at least partly unreacted, and separating the second species from the product.
摘要翻译：本发明涉及一种通过用氟化氢在氢氟硅酸水溶液中处理该材料来净化无机材料的方法。该方法包括处理含有至少两种物质的无机材料，以至少部分地将包含在该材料中的第一物质与材料中所含的第二物质分离，并且包括用含氟氢氟酸和氢氟酸的氟酸溶液处理该物质酸（HF），使得第一物质转化为选自氟化物，氟硅酸盐及其混合物的产物，并且使得第二物质至少部分未反应，并将第二物质与产物分离。

4. 发明申请

US20030206842A1 Process for upgrading a titaniferous material containing silica 审中-公开
公开(公告)号：US20030206842A1
公开(公告)日：2003-11-06
申请号：US10404115
申请日：2003-04-02
发明人： Ross Alexander McClelland , Michael John Hollitt
IPC分类号： C22B001/00
CPC分类号： C22B34/124 , C22B3/06 , C22B34/1209 , C22B34/1213 , Y02P10/234
摘要： An industrially realistic process for upgrading of titaniferous materials is disclosed. The process comprises the following steps: (i) a pretreatment which has the effect of rendering silica amenable to leaching under the particular conditions of a subsequent leach, and (ii) an aqueous leach in the presence of an acid, the conditions of which are chosen such that silica which enters solution is not hydrolysed or precipitated as a silicate. The pretreatment step (i) may comprise alkaline leaching, roasting or smelting. The leaching step (ii) may be conducted at low solids densities.

5. 发明申请

US20020104406A1 Upgrading titaniferous materials 审中-公开
标题翻译：升级含钛材料
公开(公告)号：US20020104406A1
公开(公告)日：2002-08-08
申请号：US09819095
申请日：2001-04-26
发明人： Michael John Hollitt , Ross Alexander McClelland , John Roger Tuffley
IPC分类号： C22B034/12
CPC分类号： C22B1/243 , C22B1/02 , C22B3/10 , C22B34/1204 , C22B34/1209 , C22B34/1213 , Y02P10/234
摘要： The application discloses a process for upgrading a titaniferous material by removal of impurities contained in the material especially radionuclides. The process involves heating the titaniferous material to a temperature of less than 1300null C. to form a solid titaniferous phase and a liquid oxide or glassy phase in the presence of a material that promotes the formations of such phases, cooling the product at a rate that maintains the glassy phase in an amorphous state and leaching the solidified material with an acid or an alkali to remove the impurities. Materials that promote the formation of the desired phases include compounds of alkali metals and boron. Examples include borax, caustic soda, soda ash and silica.
摘要翻译：本申请公开了一种通过去除材料中所含的杂质，特别是放射性核素来升级含钛材料的方法。该方法包括将含钛材料加热到低于1300℃的温度以在促进这些相的形成的材料存在下形成固体含钛相和液体氧化物或玻璃相，以一定速率冷却产物其保持玻璃态为非晶状态，并用酸或碱浸出固化的材料以除去杂质。促进所需相形成的材料包括碱金属和硼的化合物。实例包括硼砂，苛性钠，苏打灰和二氧化硅。

6. 发明授权

US5494648A Process for removing thorium and recovering vanadium from titanium chlorinator waste 失效
标题翻译：从钛氯化物废物中去除钍和回收钒的方法
公开(公告)号：US5494648A
公开(公告)日：1996-02-27
申请号：US188863
申请日：1994-01-31
申请人： Richard S. Olsen , John T. Banks
发明人： Richard S. Olsen , John T. Banks
IPC分类号： C01F15/00 , C01G49/00 , C22B34/12 , C22B34/22 , C22B60/02
CPC分类号： C01F15/00 , C01G49/0018 , C22B34/1213 , C22B34/22 , C22B60/02 , C01P2006/80
摘要： A process for removal of thorium from titanium chlorinator waste comprising: (a) leaching an anhydrous titanium chlorinator waste in water or dilute hydrochloric acid solution and filtering to separate insoluble minerals and coke fractions from soluble metal chlorides; (b) beneficiating the insoluble fractions from step (a) on shaking tables to recover recyclable or otherwise useful TiO.sub.2 minerals and coke; and (c) treating filtrate from step (a) with reagents to precipitate and remove thorium by filtration along with acid metals of Ti, Zr, Nb, and Ta by the addition of the filtrate (a), a base and a precipitant to a boiling slurry of reaction products (d); treating filtrate from step (c) with reagents to precipitate and recover an iron vanadate product by the addition of the filtrate (c), a base and an oxidizing agent to a boiling slurry of reaction products; and (e) treating filtrate from step (d) to remove any remaining cations except Na by addition of Na.sub.2 CO.sub.3 and boiling.
摘要翻译：一种从钛氯化物废料中除去钍的方法，包括：（a）将无水氯化钛废物浸入水或稀盐酸溶液中并过滤以从可溶性金属氯化物中分离出不溶性矿物和焦炭馏分; （b）从摇台上挑选步骤（a）中的不溶级分，以回收可回收或以其他方式使用的二氧化钛矿物和焦炭; 和（c）用试剂处理来自步骤（a）的滤液，通过加入滤液（a），碱和沉淀剂将其与Ti，Zr，Nb和Ta的酸性金属一起过滤沉淀并除去钍沸腾的反应产物浆液（d）; 用试剂处理来自步骤（c）的滤液，通过向反应产物的沸腾浆液中加入滤液（c），碱和氧化剂来沉淀并回收钒酸铁产物; 和（e）处理来自步骤（d）的滤液，通过加入Na 2 CO 3并煮沸除去Na外的任何剩余的阳离子。

7. 发明授权

US5427749A Production of synthetic rutile 失效
标题翻译：合成金红石的生产
公开(公告)号：US5427749A
公开(公告)日：1995-06-27
申请号：US927665
申请日：1992-11-02
申请人： Michael J. Hollitt , Brian A. O'Brien , Ian E. Grey
发明人： Michael J. Hollitt , Brian A. O'Brien , Ian E. Grey
IPC分类号： C22B3/06 , C22B3/08 , C22B5/10 , C22B5/12 , C22B5/14 , C22B9/05 , C22B34/12 , C01G23/00 , C01G25/00 , C01G27/00 , C22B34/10
CPC分类号： C22B5/14 , C22B3/06 , C22B3/065 , C22B3/08 , C22B34/1204 , C22B34/1209 , C22B34/1213 , C22B34/1231 , C22B34/1236 , C22B34/1245 , C22B5/10 , C22B5/12 , C22B9/05 , Y02P10/23 , Y02P10/234
摘要： The specification describes a process for producing synthetic rutile from a titaniferous ore or concentrate. The process involves three basic steps which are reduction, removal or iron by leaching or aeration and removal of other impurities by leaching in a solution of a strong mineral acid such as hydrochloric acid or sulphuric acid. The conditions of reduction are controlled to promote the formation of metallic iron, a major rutile phase and a minor impurity bearing phase. The minor impurity phase may be a metatitanate, an anosovite or a pseudobrookite. However, formation of a metatinatate is normally preferred. Suitable reductants include carbonaceous materials or hydrogen bearing gases such as natural gas or synthesis gas. The process is capable of removing more than 80% of each of the contained iron magnesium and manganese remaining as oxides after reduction. Substantial proportions of contained aluminum can also be removed.
摘要翻译： PCT No.PCT / AU91 / 00069 Sec。 371日期：1992年11月2日 102（e）日期1992年11月2日PCT 1991年3月1日PCT公布。公开号WO91 / 13180 PCT 日期1991年9月5日。本说明书描述了从含钛矿石或精矿生产合成金红石的方法。该方法包括三个基本步骤，即通过在强无机酸（如盐酸或硫酸）的溶液中浸出而浸出或曝气除去其它杂质，还原，除去或铁。控制还原条件以促进形成金属铁，主要金红石相和少量杂质负载相。次要杂质相可以是偏钛酸盐，非球形矿物或假铁矿石。然而，通常优选形成metatinate。合适的还原剂包括碳质材料或含氢气体如天然气或合成气。该方法能够除去残留在还原后的氧化物中的每种含有的铁镁和锰的80％以上。还可以除去大量的含铝。

8. 发明授权

US4158041A Separation of ilmenite and rutile 失效
标题翻译：钛铁矿和金红石的分离
公开(公告)号：US4158041A
公开(公告)日：1979-06-12
申请号：US879419
申请日：1978-02-21
申请人： William K. Tolley
发明人： William K. Tolley
IPC分类号： C01G23/047 , C22B34/12 , C01G23/04
CPC分类号： C22B34/1213 , C01G23/047 , Y02P10/212
摘要： This invention relates to a process for separating rutile and ilmenite from ilmenite leach tails and is effected by treating the leach tails from an acidic leach to a flotation step whereby gangue is separated from the unreacted ilmenite and rutile. The latter is then roasted at an elevated temperature in a hydrous atmosphere to convert the ilmenite to a magnetic material. Thereafter the ilmenite may then be subjected to a magnetic separation whereby non-magnetic rutile may be recovered while the magnetic portion is recycled for further separation.
摘要翻译：本发明涉及从钛铁矿浸出尾分离金红石和钛铁矿的方法，其通过将浸出尾矿从酸性浸出处理至浮选步骤，其中将ang石与未反应的钛铁矿和金红石分离。然后将后者在含水气氛中在升高的温度下焙烧以将钛铁矿转化成磁性材料。此后，可以对钛铁矿进行磁分离，由此可以回收非磁性金红石，同时将磁性部分再循环用于进一步分离。

9. 发明授权

US3777013A Process for the preparation of synthetic rutile starting from ilmenite 失效
标题翻译：从ILMENITE制备合成元件开始的方法
公开(公告)号：US3777013A
公开(公告)日：1973-12-04
申请号：US3777013D
申请日：1971-05-12
申请人： MONTEDISON SPA
发明人： AREZZI R , SOVERINI A , SIRONI G
IPC分类号： C22B34/12 , C01G23/04 , C22B3/00 , C22B53/00
CPC分类号： C22B34/1213
摘要： A PROCESS IS DISCLOSED FOR THE PREPARATION OF SYNTHETIC RUTILE STARTING FROM ILMENITE, CHARACTERIZED IN THAT IT COMPRISES A PRE-LEACHING OF THE ILMENITE WITH HYDROCHLORIC ACID, FOLLOWED BY A REDUCTION OF THE PRE-LEACHED PRODUCT TO CONVERT TO FERROUS OXIDE THE HIGHER IRON OXIDES THEREIN, AND A SECOND LEACHING WITH HYDROCHLORIC ACID.

10. 发明授权

US3684485A Process for treating minerals containing the feo group 失效
标题翻译：处理FEO集团矿物的工艺
公开(公告)号：US3684485A
公开(公告)日：1972-08-15
申请号：US3684485D
申请日：1971-02-16
申请人： METALLGESELLSCHAFT AG
发明人： MEYER KURT , REUTER GERHARD , THUMM WILHELM
IPC分类号： C21B13/00 , C21B15/00 , C22B34/12 , C21B1/06
CPC分类号： C22B34/1213 , C21B13/006 , C21B15/00 , Y02P10/136 , Y02P10/216
摘要： A PROCESS FOR TREATING A MINERAL, E.G, ILMENITE, CONTAINING FEO GROUPS TOGETHER WITH A HEAVY-METAL OXIDE (E.G, TIO2) WHEREIN THE MINERAL IS SOBJECTED TO A REDUCTION STEP TO TRANSFORM THE IRON OXIDE TO METALLIC IRON WHICH IS THEN LEACHED. FROM THE LIXIVIANT, IRON OXIDES AND/ OR HYDROXIDES ARE PRECIPITATED. THE PRECIPITATE IS AGGLOMERATED, E.G. INTO BRIQUETTES WITH A BINDER, THE AGGLOMERATE BEING RECYCLED TO THE REDUCING STAGE TO PRODUCE SPONGE IRON. THE MINERAL, AFTER LEACHING, CONSISTS OF A RESIDUE OF THE HEAVY-METAL OXIDE OF HIGH PURITY.

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