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稀土处理
稀土处理
稀土生产与分离 中国稀土学会
稀土冶炼方法有两种，即湿法冶金和火法冶金。 湿法冶金属化工冶金方式，全流程大多处于溶液、溶剂之中，如稀土精矿的分解、稀土氧化物、稀土化合物、单一稀土金属的分离 2012年6月20日 鼓励开发稀土废旧物收集、处理、分离、提纯等方面的专用工艺、技术和设备，支持建立专业化稀土材料综合回收基地，对稀土火法冶金熔盐、炉渣、稀土永磁废料和废旧永磁电机、废镍氢电池、废稀土荧 中国的稀土状况与政策白皮书中国政府网分解稀土精矿有很多方法，总的来说可分为三类，即酸法、碱法和氯化分解。 酸法分解又分为盐酸分解、硫酸分解和氢氟酸分解法等。 碱法分解又分为氢氧化钠分解或氢氧化钠熔 稀土技术、稀土选矿、稀土提纯工艺 知乎稀土的分离提纯方法主要包括化学沉淀法、溶剂萃取法、离子交换法、萃取色层 法和液膜分离法，本文在综合对比分析各种分离提纯方法利弊的基础上，提出了稀土分离提纯的新 我国稀土资源冶炼分离技术研究进展 cgs
稀土产业链全球格局现状、趋势预判及应对战略研究
2023年3月11日 ①要推进稀土上游产业绿色转型，进一步提高稀土生产、环保及废物绿色处理等技术水平，破解稀土资源生产的环境污染约束；②加强尾矿资源、伴生资源、废旧资源的综合利用，完善稀土关键元素回收 2020年4月22日 中国是世界稀土资源储量最大的国家，主要稀土矿有白云鄂博稀土矿、山东微山稀土矿、冕宁稀土矿等。 中国是唯一能够提供全部17种稀土金属的国家，稀土储量曾一度占世界总储量的近80%，是名副其实 稀土，你了解吗？ 中国地质调查局2020年2月25日 稀土的分离提纯方法主要包括化学沉淀法、溶剂萃取法、离子交换法、萃取色层法和液膜分离法，本文在综合对比分析各种分离提纯方法利弊的基础上，提出了稀 我国稀土资源冶炼分离技术研究进展Selecciona el departamento donde deseas realizar tu búsqueda Regular Higher Education 12th FiveYear Plan textbook: secondary
CNB 一种桥梁钢及其冶炼方法 Google Patents
CNB CN06A CN0A CNB CN B CN B CN B CN 0 A CN0 A CN 0A CN B CN B CN B Authority CN China Prior art keywords rare earth percent steel inclusions refining Prior art date CNB CN9XA CN9A CNB CN B CN B CN B CN 9 A CN9 A CN 9A CN B CN B CN B Authority CN China Prior art keywords rare earth percent grate strength steel Prior art date Legal CNB 一种链篦机篦板用高强度、抗氧化cnre CNA CN15A CN1A CNA CN A CN A CN A CN 1 A CN1 A CN 1A CN A CN A CN A Authority CN China Prior art keywords steel molten steel sublimate deoxidation during Prior art date 201801 CNA 低碳高合金钢的纯净化方法 Google PatentsCNA CN72A CN7A CNA CN A CN A CN A CN 7 A CN7 A CN 7A CN A CN A CN A Authority CN China Prior art keywords rare earth resistant steel temperature hood Prior art date CNA 一种电站流化床风帽用高温耐磨cnre
CNA 一种热处理吊具用抗变形cnre Google Patents
CNA CN76A CN7A CNA CN A CN A CN A CN 7 A CN7 A CN 7A CN A CN A CN A Authority CN China Prior art keywords rare earth lifting appliance steel heat heat treatment Prior art date CNA CN28A CN2A CNA CN A CN A CN A CN 2 A CN2 A CN 2A CN A CN A CN A Authority CN China Prior art keywords rare earth pipe joint carburizing steel cnre Prior art date CNA 一种裂解管接头用高强度、抗渗碳cnre Modification of nonmetallic inclusions in 55SiCr high stress spring steel by rare earth Ce: MA Yu 1, TANG Haiyan 1, LIU Yanbin 1, LIU Jinwen 1, JIANG Ye 2, ZHANG Jiaquan 1: 1 School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing , China; 2 Special Steel Business Department, Nanjing Iron and Modification of nonmetallic inclusions in 55SiCr high stress spring Precipitation and growth of MnS inclusions in a heavy rail steel: FANG Mengting 1,2, YUAN Huazhi 2, XIE Xin 3, ZENG Jianhua 3, ZHONG Honggang 2, ZHAI Qijie 1,2: 1 Materials Genome Institute of Shanghai University, Shanghai University, Shanghai , China; 2 Center for Advanced Solidification Technology, Shanghai University, Shanghai , Precipitation and growth of MnS inclusions in a heavy rail steel
CNA Google Patents
本发明涉及钢铁冶金技术领域，特别涉及一种镁预处理细化钢中稀土夹杂物的方法 CNA 一种减少钢液中细微夹杂物的方法及装置 Google Patents 一种减少钢液中细微夹杂物的方法及装置CNA Google Patents本发明涉及耐热钢领域，具体为一种高Cr‑高Co型稀土耐热钢合金材料及其制备方法。按重量百分比计，其化学成分范围为：C 0 CNA 一种高Cr高Co Google Patents本发明属于冶金机械领域，涉及一种高纯、均质稀土冷轧辊用钢合金材料及制备方法。本发明的冷轧辊用钢 CNA 一种高纯 Google Patents
CNA 一种涡轮增压器壳体用抗氧化、耐疲劳cnre
CNA 一种涡轮增压器壳体用抗氧化、耐疲劳cnre稀土耐热钢及其制备方法 Google Patents 一种涡轮增压器壳体用抗氧化 CNA 一种链篦机篦板用高强度、抗氧化cnre稀土耐热钢及其制备方法 Google Patents 一种链篦机篦板用高强度、抗氧化cnre CNA 一种链篦机篦板用高强度、抗氧化cnre CNA CNA CNA CNA CN A CN A CN A CN A CN A CN A CN A CN A CN A CN A CN A CN A Authority CN China Prior art keywords rare earth coating steel wire alloy Prior art date CNA Google PatentsModification of nonmetallic inclusions in 55SiCr high stress spring steel by rare earth Ce: MA Yu 1, TANG Haiyan 1, LIU Yanbin 1, LIU Jinwen 1, JIANG Ye 2, ZHANG Jiaquan 1: 1 School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing , China; 2 Special Steel Business Department, Nanjing Iron and Modification of nonmetallic inclusions in 55SiCr high stress spring
CNA Google Patents
本发明公开了一种极低铁损的无取向电工钢板，其化学元素质量百分比为：0＜C≤0005％；Si：10‑345％；Mn：01‑12％；Al：0 本发明属于金属材料分析检测技术领域，具体为一种加入稀土改性的钢液的演化过程的分析方法 CNA Google PatentsZHOU Gang, XUE Jiao, CHENG Weimin, NIE Wen, WANG Hao, State Key Laboratory of Mining Disaster Prevention and Control Cofounded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Key Laboratory of Safety and Highefficiency Coal Mining of the Ministry of Education, Anhui Journal of University of Science and Technology Beijing 2015 B CN8XA CN8A CNB CN B CN B CN B CN 8 A CN8 A CN 8A CN B NB 稀土的回收方法 Google Patents
CNA Google Patents
CNA 一种高导热铸造铝合金及其制备方法 Google Patents本发明提供了一种高导热铸造铝合金，所述铝合金化学成分按重量百分比计为Si：75‑95％，Fe：05‑08％，Cu：005‑015％，Mg CNB Google PatentsCNA CN8XA CN8A CNA CN A CN A CN A CN 8 A CN8 A CN 8A CN A NA 稀土的回收方法 Google Patents本发明属于金属材料分析检测技术领域，具体为一种加入稀土改性的钢液的演化过程的分析方法 CNB Google Patents
WOA1 Method and apparatus for reducing
A method for reducing fine inclusions in molten steel Compared with existing methods for removing fine inclusions in tundish molten steel, by using the method of the present application, the inclusion removal rate can be increased by 15% or more, and the high purity of the molten steel required for obtaining highquality steel is fully ensuredThe invention discloses a rare earth and nitrogen microalloyed HRB400E spiral steel bar and a production method thereof, which utilize the precipitation strengthening function of trace rare earth and nitrogen in the steel bar to partially replace solid solution strengthening elements manganese and silicon and partially or completely replace vanadium or CNA HRB400E spiral reinforcement steel wireSelecciona el departamento donde deseas realizar tu búsqueda Regular Higher Education 12th FiveYear Plan textbook: secondary CNB CN06A CN0A CNB CN B CN B CN B CN 0 A CN0 A CN 0A CN B CN B CN B Authority CN China Prior art keywords rare earth percent steel inclusions refining Prior art date CNB 一种桥梁钢及其冶炼方法 Google Patents
CNB 一种链篦机篦板用高强度、抗氧化cnre
CNB CN9XA CN9A CNB CN B CN B CN B CN 9 A CN9 A CN 9A CN B CN B CN B Authority CN China Prior art keywords rare earth percent grate strength steel Prior art date Legal CNA CN15A CN1A CNA CN A CN A CN A CN 1 A CN1 A CN 1A CN A CN A CN A Authority CN China Prior art keywords steel molten steel sublimate deoxidation during Prior art date 201801 CNA 低碳高合金钢的纯净化方法 Google PatentsCNA CN72A CN7A CNA CN A CN A CN A CN 7 A CN7 A CN 7A CN A CN A CN A Authority CN China Prior art keywords rare earth resistant steel temperature hood Prior art date CNA 一种电站流化床风帽用高温耐磨cnre CNA CN76A CN7A CNA CN A CN A CN A CN 7 A CN7 A CN 7A CN A CN A CN A Authority CN China Prior art keywords rare earth lifting appliance steel heat heat treatment Prior art date CNA 一种热处理吊具用抗变形cnre Google Patents
CNA 一种裂解管接头用高强度、抗渗碳cnre
CNA CN28A CN2A CNA CN A CN A CN A CN 2 A CN2 A CN 2A CN A CN A CN A Authority CN China Prior art keywords rare earth pipe joint carburizing steel cnre Prior art date Modification of nonmetallic inclusions in 55SiCr high stress spring steel by rare earth Ce: MA Yu 1, TANG Haiyan 1, LIU Yanbin 1, LIU Jinwen 1, JIANG Ye 2, ZHANG Jiaquan 1: 1 School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing , China; 2 Special Steel Business Department, Nanjing Iron and Modification of nonmetallic inclusions in 55SiCr high stress spring Precipitation and growth of MnS inclusions in a heavy rail steel: FANG Mengting 1,2, YUAN Huazhi 2, XIE Xin 3, ZENG Jianhua 3, ZHONG Honggang 2, ZHAI Qijie 1,2: 1 Materials Genome Institute of Shanghai University, Shanghai University, Shanghai , China; 2 Center for Advanced Solidification Technology, Shanghai University, Shanghai , Precipitation and growth of MnS inclusions in a heavy rail steel本发明涉及钢铁冶金技术领域，特别涉及一种镁预处理细化钢中稀土夹杂物的方法 CNA Google Patents