Tribocharging lunar simulant in vacuum for electrostatic beneficiation
Open accessAbstract
Electrostatic beneficiation of lunar regolith has potential application for separating minerals for material processing on the moon. This paper describes the use of tribocharging lunar simulant prior to mineral grain separation. The lunar simulant JSC‐1 was sieved into five size fractions: 100μm for characterization, however only the 50–75μm fraction was passed through aluminum, copper and polytetrafluoroethylene (PTFE) inclined plane chargers. The amount of charge acquired by the simulant is dependant upon the difference in the work function of the charging material and the mineral grain composition of the simulant itself. Various charge‐to‐mass ratios (Q/M) for the different tribocharging materials were obtained for JSC‐1 in vacuum as well as in air. XPS, SEM and Raman spectroscopy were used to evaluate the JSC‐1 simulant before and after beneficiation. Results indicate notable changes in mineral composition between pre‐ and post‐beneficiation samples after only a single pass through the aluminum inclined plane charger.
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Electrostatic separation is particularly advantageous for processing lunar regolith, as it enables efficient segregation of valuable minerals like ilmenite and other metal oxides essential for ISRU.
“Electrostatic separation is particularly advantageous for processing Lunar regolith, as it enables the efficient segregation of valuable minerals like ilmenite and other metal oxides, which are essential for ISRU [62,68-70].”
From A comprehensive review of lunar-based manufacturing and construction (2024) · cites this paper as [69]
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The beneficiation of lunar regolith for space resource utilisation: A review
Rasera, J. N., Cilliers, J. J., Lamamy, J. A., & Hadler, K. (2020) · Planetary and Space Science · doi:10.1016/j.pss.2020.104879 · Cited by 122 · see citing works
The use of tribocharging in the electrostatic beneficiation of lunar simulant
Trigwell, S., Captain, J. G., Arens, E. E., Quinn, J. W., & Calle, C. I. (2009) · IEEE Transactions on Industry Applications · doi:10.1109/tia.2009.2018976 · Cited by 40 · see citing works
Self-citationElectrostatic beneficiation of lunar regolith: Applications in in situ resource utilization
Trigwell, S., Captain, J., Weis, K., & Quinn, J. (2013) · Journal of Aerospace Engineering · doi:10.1061/(asce)as.1943-5525.0000226 · Cited by 36 · see citing works
Self-citationElectrostatic collection of tribocharged lunar dust simulants
Afshar-Mohajer, N., Wu, C.-Y., & Sorloaica-Hickman, N. (2014) · Advanced Powder Technology · doi:10.1016/j.apt.2014.07.010 · Cited by 14 · see citing works
- Authors
- Captain, J., Trigwell, S., Arens, E., Biris, A., Captain, J., Quinn, J., & Calle, C.
- Affiliations
- University of Central Florida (US)
- Kennedy Space Center (US)
- University of Arkansas at Little Rock (US)
- Venue
- AIP Conference Proceedings
- Publisher
- AIP
- Published
- 2007
- Volume
- 880
- Pages
- 951-956
- ISSN
- 0094-243X (ISSN-L)
- OpenAlex
- W1672376117
- Cited by
- 13
- References
- 0
- Citations by year
- 2025: 2 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 2 · 2020: 1 · 2014: 1 · 2013: 2
- FWCI
- 1.24
- Type
- conference paper
- Language
- en
- Open access
- Locations
- AIP conference proceedings (publishedVersion)
- Journal of International Crisis and Risk Communication Research (submittedVersion)
- Funders
- Kennedy Space Center
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Mineral Processing and Grinding
- Physical Sciences › Environmental Science › Water Science and Technology › Minerals Flotation and Separation Techniques
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
- Keywords
- lunar regolith simulant, triboelectric charging, lunar regolith, charge-to-mass ratio, work function, mineral separation, in-situ resource utilization
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