Research progress on in-situ resources utilization of Lunar surface minerals

被引：0
|
作者：
Li C. [1 ,2 ]
Wei K. [2 ]
Li Y. [3 ]
Ma W. [1 ,4 ]
Zhao S. [3 ]
机构：
[1] Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming
[2] Space Metallurgy Key Laboratory of Military-civilian Integration, Universities in Yunnan Province, Kunming
[3] Center for Lunar and Planetary Sciences, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang
[4] National Engineering Laboratory for Vacuum Metallurgy, Kunming University of Science and Technology, Kunming
来源：
Wei, Kuixian (kxwei2008@hotmail.com) | 1600年 / Central South University of Technology卷 / 51期
关键词：
Electrolysis; Extraction metallurgy; In-situ resource utilization; Lunar surface resource; Pyrolysis; Reduction;
D O I：
10.11817/j.issn.1672-7207.2020.12.003
中图分类号：
学科分类号：
摘要：
As the only natural satellite of the earth, Lunar has abundant resources. It is the first target for humans to carry out deep space exploration, and the ideal lunar station for the human to accomplish outer space exploration. In-situ resource utilization(ISRU) technology of lunar surface mineral has always been research hotspot and the purpose is to extract the mineral resources cleanly and efficiently on the lunar surface to meet the requirements of lunar base construction and deep space exploration. Due to the special environment of the lunar surface, the traditional extraction process can not meet its needs. So it is necessary to propose a suitable method. The status of ISRU in metallurgical perspective was described in this paper. The environmental characteristics of lunar surface, the composition of lunar soil and the types of energy, the types and occurrence of mineral resources in the lunar surface, the mass fraction of various metal elements and the geographical location of their existence were introduced. The ISRU metal extraction technology was summarized systematically, and the characteristics of each process was analyzed. The processes and principles of reduction, electrolysis, pyrolysis, and other methods were emphatically elaborated. The in-situ technologies were summarized and evaluated from the aspects of process and implementation. The extraction of mineral resources on the monthly surface must follow the principle of in-situ extraction, and the implementation of existing processes is restricted by loading, environment and other conditions. The main oxides of lunar soil are CaO, MgO, Al2O3, TiO2, SiO2, and FeO, and their reserves can meet the demand. At the same time, different measures should be taken to extract different resources, such as Fe extraction by hydrogen reduction, Al, Si, Ti extraction by electrolysis, O extraction by thermal decomposition, etc. Besides, based on the commonality and development trend of ISRU, the exploit of mineral resources on the lunar surface in future needs these as main research directions which contains the continuous operation of existing processes, clean recycling resources, small-volume lightweight equipment, and electric and optical energy. © 2020, Central South University Press. All right reserved.
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页码：3289 / 3299
页数：10
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