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Chinese Academy of Sciences Institutional Repositories Grid
Experimental constraints on the formation of oxychlorine species by UV irradiation and mechanical pulverization on the lunar surface

文献类型:期刊论文

作者Jiamei Li; Yu-Yan Sara Zhao; He Cui; Shuai-Yi Qu; Yanhua Peng; Yuhong Yang; Xiongyao Li
刊名Acta Geochimica
出版日期2024
卷号43期号:4页码:625-637
DOI10.1007/s11631-024-00707-0
英文摘要

Perchlorate and chlorate are present in various extraterrestrial celestial bodies throughout the solar system, such as Mars, the moon, and asteroids. To date, the origin mechanisms of perchlorate and chlorate on the Martian surface have been well-established; however, relatively little attention has been cast to airless bodies. Here, we experimentally investigated the potential oxidation mechanisms of chloride to chlorate and perchlorate, such as ultraviolet irradiation under H2O- and O2-free conditions and mechanical pulverization processes. Individual minerals, olivine, pyroxene, ilmenite, magnetite, TiO2 and anhydrous ferric sulfate, and lunar regolith simulants (low Ti, CLRS-1; high-Ti, CLRS-2) and their metallic iron (Fe0) bearing counterparts were examined. We found that pulverization of dry matrix material-halite mixtures, even in the presence of O2, does not necessarily lead to perchlorate and chlorate formation without involving water. Under photocatalytic and H2O- and O2-free conditions, olivine and pyroxene can produce oxychlorine (ClOx) species, although the yields were orders of magnitude lower than those under Martian-relevant conditions. Nanophase-Fe0 particles in the lunar regolith and the common photocatalyst TiO2 can facilitate the ClOx formation, but their yields were lower than those with olivine. The oxides ilmenite and magnetite did not efficiently contribute to ClOx production. Our results highlight the critical role of H2O in the oxidation chloride to chlorate and perchlorate, and provide essential insights into the environmental influence on the formation of oxychlorine species on different celestial bodies.

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语种英语
源URL[http://ir.gyig.ac.cn/handle/42920512-1/15741]  
专题地球化学研究所_月球与行星科学研究中心
天体地球化学研究组
作者单位1.Research Center for Planetary Science, College of Earth and Planetary Sciences, Chengdu University of Technology, Chengdu, 610059, China
2.Center for Excellence in Comparative Planetology, Chinese Academy of Sciences, Hefei, 230026, China
3.College of Life Sciences, Wuchang University of Technology, Wuhan, 430204, China
4.Technical Center of Qingdao Customs, Qingdao, 266114, China
5.Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China
6.University of Chinese Academy of Sciences, Beijing, 100049, China
7.Nanning College of Technology, Guilin, 541006, China
8.Center for Lunar and Planetary Sciences, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
推荐引用方式
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Jiamei Li,Yu-Yan Sara Zhao,He Cui,et al. Experimental constraints on the formation of oxychlorine species by UV irradiation and mechanical pulverization on the lunar surface[J]. Acta Geochimica,2024,43(4):625-637.
APA Jiamei Li.,Yu-Yan Sara Zhao.,He Cui.,Shuai-Yi Qu.,Yanhua Peng.,...&Xiongyao Li.(2024).Experimental constraints on the formation of oxychlorine species by UV irradiation and mechanical pulverization on the lunar surface.Acta Geochimica,43(4),625-637.
MLA Jiamei Li,et al."Experimental constraints on the formation of oxychlorine species by UV irradiation and mechanical pulverization on the lunar surface".Acta Geochimica 43.4(2024):625-637.

入库方式: OAI收割

来源:地球化学研究所

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