四川氟碳铈矿生产氧化钕的环境影响分析

材料导报

2020, Vol. 34

Issue (Z2): 315-318

无机非金属及其复合材料

四川氟碳铈矿生产氧化钕的环境影响分析

陈文娟^1,2, 龚先政^1,2, 高峰^1,2, 刘宇^1,2, 孙博学^1,2, 李小青^1,2, 王志宏^1,2

1 北京工业大学材料与制造学部,北京 100124
2 工业大数据应用技术国家工程实验室,北京 100124

Environmental Impact Analysis of Neodymium Oxide Produced from Sichuan Bastnaesite

CHEN Wenjuan^1,2, GONG Xianzheng^1,2, GAO Feng^1,2, LIU Yu^1,2, SUN Boxue^1,2, LI Xiaoqing^1,2, WANG Zhihong^1,2

1 Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124,China
2 National Engineering Laboratory for Industrial Big-data Application Technology, Beijing 100124,China

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摘要四川氟碳铈矿是我国重要的轻稀土矿产,其富含铈、镧、钕、镨等用量广泛的轻稀土元素。目前我国稀土永磁的消费量占稀土材料的用量最大,而氧化钕则是生产稀土永磁的重要原材料。本工作采用面向工艺过程的生命周期分析方法,结合实际工艺,研究计算了氧化钕从四川氟碳铈矿采矿、选矿、冶炼分离到碳沉煅烧过程的生命周期清单,结合我国本土的稀土资源耗竭特征化因子,进一步评价了氧化钕生命周期过程的环境负荷,辨识出环境损害热点,并剖析出处,为氧化钕生产过程的清洁生产提供理论参考。

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	陈文娟
	龚先政
	高峰
	刘宇
	孙博学
	李小青
	王志宏

关键词: 氟碳铈矿氧化钕生命周期评价环境负荷

Abstract: Bastnaesite of Sichuan province is a kind of significant light rare earth ore in China, which contains cerium, lanthanum, neodymium, praseodymium elements. The maximum consumption amounts in rare earth materials filed are rare earth permenant magnets, and neodymium oxide is the main raw material for rare earth permenant magnets production. In this paper, life cycle inventory of neodymium oxide was completed based on the life cycle assessment method for technique process, system boundary included mining, beneficiation, smelting and separation, oxidizing roast, combined with Chinese rare earth resource depletion factors calculated, life cycle assessment for neodymium oxide was researched. Furthermore, the environment impact hotspot and source was identified, it will provide a theoretical reference for cleaner production of neodymium oxide.

Key words: bastnaesite neodymium oxide life cycle assessment(LCA) environment load

出版日期: 2020-11-25 发布日期: 2021-01-08

ZTFLH:	TF845
	X383
	X820.3

基金资助: 工业大数据应用技术国家工程实验室建设项目;国家重点研发计划课题(2018YFF0215706)

通讯作者: chenwenjuan@bjut.edu.cn

作者简介: 陈文娟,北京工业大学教师,2019年7月获得北京工业大学材料科学与工程博士学位,以第一作者或通讯作者发表SCI、EI论文5篇、申请发明专利1项,参与编写著作1部,获得国家科技进步二等奖1项,省部级科技一等奖1项。研究方向是稀土材料的绿色生产及其生命周期评价。

引用本文:

陈文娟, 龚先政, 高峰, 刘宇, 孙博学, 李小青, 王志宏. 四川氟碳铈矿生产氧化钕的环境影响分析[J]. 材料导报, 2020, 34(Z2): 315-318.
CHEN Wenjuan, GONG Xianzheng, GAO Feng, LIU Yu, SUN Boxue, LI Xiaoqing, WANG Zhihong. Environmental Impact Analysis of Neodymium Oxide Produced from Sichuan Bastnaesite. Materials Reports, 2020, 34(Z2): 315-318.

链接本文:

http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2020/V34/IZ2/315

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