39685cea-b7e8-4a13-877e-553867651f0fRare Earth mining;Rare Earth;In-situ leaching;neodymium iron boron (NdFeB) magnet稀土开采;稀土;原地浸出;钕铁硼（NdFeB）磁铁Unit processesMaterials productionNon-energetic raw materialsThe rare earth extraction process described is employed for the production of neodymium iron boron (NdFeB) magnets. These magnets are used in various high-tech applications such as in the fabrication of electric motors for electric vehicles, wind turbine generators, hard disk drives, and other devices requiring strong permanent magnets. The in-situ leaching method at the Bayan Obo site in China specifically extracts neodymium (Nd) and praseodymium (Pr), which are essential components of the NdFeB magnet. The technical quality of these rare earth elements allows for their use in commercial-scale magnet production, not limited to specialized laboratory settings.所描述的稀土开采过程用于生产钕铁硼（NdFeB）磁铁。这些磁铁用于各种高科技应用，例如电动车辆的电动机制造、风力涡轮发电机、硬盘驱动器以及其他需要强大永照行磁铁的设备。中国巴彦淖尔市现场浸出法特别提取钕（Nd）和镨（Pr），这是NdFeB磁铁的重要组成部分。这些稀土元素的工业质量允许它们在商业规模的磁铁生产中使用，不仅限于专门的实验室设置。The functional unit is a 1 kg NdFeB magnet12Bayan Obo (China)The basic process for Nd and Pr production is the same at all three deposits. It is identical for Nd and Pr except for the last solvent extraction step (SX5) where both are separated.所有三个矿床生产 Nd 和 Pr 的基本过程都是相同的。 Nd 和 Pr 是相同的，除了最后的溶剂萃取步骤 (SX5)，其中两者被分离。The rare earth extraction process described is employed for the production of neodymium iron boron (NdFeB) magnets. These magnets are used in various high-tech applications such as in the fabrication of electric motors for electric vehicles, wind turbine generators, hard disk drives, and other devices requiring strong permanent magnets. The in-situ leaching method at the Bayan Obo site in China specifically extracts neodymium (Nd) and praseodymium (Pr), which are essential components of the NdFeB magnet. The technical quality of these rare earth elements allows for their use in commercial-scale magnet production, not limited to specialized laboratory settings.所描述的稀土开采过程用于生产钕铁硼（NdFeB）磁铁。这些磁铁用于各种高科技应用，例如电动车辆的电动机制造、风力涡轮发电机、硬盘驱动器以及其他需要强大永照行磁铁的设备。中国巴彦淖尔市现场浸出法特别提取钕（Nd）和镨（Pr），这是NdFeB磁铁的重要组成部分。这些稀土元素的工业质量允许它们在商业规模的磁铁生产中使用，不仅限于专门的实验室设置。ZnSwbt4lSo9tUyxMvOZcijcJnSb.pngUnit process, single operationAttributionalNone无Allocation - market valueAllocation - massIn this study, an allocation method based on the market prices of REOs28 is considered. To estimate uncertainties that refer to the allocation method, a mass-based allocation is undertaken as a sensitivity analysisNone无None无None无None无Marx, J., Schreiber, A., Zapp, P. & Walachowicz, F. Comparative Life Cycle Assessment of NdFeB Permanent Magnet Production from Different Rare Earth Deposits. ACS Sustainable Chem. Eng. 6, 5858–5867 (2018).Marx, J., Schreiber, A., Zapp, P. & Walachowicz, F. Comparative Life Cycle Assessment of NdFeB Permanent Magnet Production from Different Rare Earth Deposits. ACS Sustainable Chem. Eng. 6, 5858–5867 (2018).When utilizing the data set for the rare earth extraction process, it is crucial to adhere to the market price allocation method provided for Nd and Pr, as specified for the functional unit of a 1 kg NdFeB magnet. Users should note that a mass-based allocation has been applied for sensitivity analysis; this should be considered when estimating uncertainties linked with the allocation method. The specified technological applicability is essential for ensuring accurate representation in Life Cycle Assessments and should guide the inclusion of upstream processes and the evaluation of environmental impacts.在使用稀土开采过程数据集时，遵循为1公斤NdFeB磁铁功能单元提供的Nd和Pr市场价格分配方法至关重要。用户应注意，已应用基于质量的分配进行敏感性分析；在估计与分配方法相关的不确定性时应考虑这一点。指定的技术适用性对于确保在生命周期评估中准确表示至关重要，应指导包括上游过程的纳入和环境影响的评估。Inventory: The internal review was done by several iteration steps concerning raw data validation, raw data documentation, representativity, completeness and consistency of modelling with regard to ISO 14040 and 14044.清单： 内部审查通过几个迭代步骤完成，涉及原始数据验证、原始数据记录、代表性、完整性、与 ISO 14040 和 14044 有关的建模的一致性。Tiangong LCI Data Working Group天工LCI数据工作小组Tao Wang, twang@iue.ac.cn汪涛, twang@iue.ac.cntwang@iue.ac.cntwang@iue.ac.cn2023-12-17T22:57:06+08:002024-04-20T15:07:15.483934+08:0000.01.005https://lcadata.tiangong.world/showProcess.xhtml?uuid=39685cea-b7e8-4a13-877e-553867651f0f&version=01.00.000&stock=TianGongTiangong LCI Data Working Group天工LCI数据工作小组falseFree of charge for all users and usesElectricityInput1.20240000000000011.2024000000000001Missing unimportant Bayan Obo: value of iron mine Bayan Obo: value of iron mine DieselInput2.762.76Missing unimportant Bayan Obo: Diesel for mining truck Bayan Obo: Diesel for mining truck ExplosiveInput0.0640.064Missing unimportant Explosive. Bayan Obo: 0.095 kg/t moved rock multiplied by stripping rate Explosive. Bayan Obo: 0.095 kg/t moved rock multiplied by stripping rate transport in t*km,transport in t*kmInput0.1230.123Measured Bayan Obo: Diesel 150 km, oil and explosives 929 km, EURO3 lorry Bayan Obo: Diesel 150 km, oil and explosives 929 km, EURO3 lorry transport in t*km,transport in t*kmInput0.3050.305Measured Bayan Obo: Rail, 1046 km Bayan Obo: Rail, 1046 km lubricating oil, wasteInput0.010.01Calculatedlubricating oil, waste. Bayan Obo: based on Ruhrberg adapted to mining ratelubricating oil, waste. Bayan Obo: based on Ruhrberg adapted to mining rateto unspecified, usedInput0.005150.00515Calculated After Obo Bayan Oboparticles (> PM10),particles (> PM10),particles (>PM10)Output0.7540.754Calculated Bayan Obo: based on Arpacioglu and Er multiplied by stripping rate Bayan Obo: based on Arpacioglu and Er multiplied by stripping rate Radioactive dust, wasteOutput0.3630.363Calculated Radioactive dust. Bayan Obo: based on Th232 and U238 activity in the ore Radioactive dust. Bayan Obo: based on Th232 and U238 activity in the ore Water,WaterOutput409.0409.0Calculated After Obo Bayan Obooverburden (unspecified),overburden (unspecified)Output336.0336.0Calculated Bayan Obo: calculation based on stripping rate Bayan Obo: calculation based on stripping rate lubricating oil, wasteOutput0.010.01Calculatedlubricating oil, waste. Bayan Obo: incineration of hazardous waste is assumed lubricating oil, waste. Bayan Obo: incineration of hazardous waste is assumed Raw oreOutput336.0336.0Calculated Raw ore. Bayan Obo: input for next process, Crushing Raw ore. Bayan Obo: input for next process, Crushing