Personal profile
Research Interests
Organic petrology, coal petrography, trace elements and critical raw materials in coal and associated products, coal geology, carbon dioxide capture and storage, coal oxidation, underground coal gasification, coal conversion, ash utilisation; Organic petrology, coal petrography, trace elements and critical raw materials in coal and associated products, coal geology, carbon dioxide capture and storage, coal oxidation, underground coal gasification, coal conversion, ash utilisation, and so on.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 7 Affordable and Clean Energy -
SDG 8 Decent Work and Economic Growth -
SDG 9 Industry, Innovation, and Infrastructure -
SDG 12 Responsible Consumption and Production -
SDG 13 Climate Action -
SDG 14 Life Below Water -
SDG 15 Life on Land
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Organic petrology of coals from Botswana: Evidence of variations in depositional environments
Biswas, S., Wagner, N. J., Nendouvhada, N. & Moroeng, O. M., 27 Jan 2026, In: International Journal of Coal Geology. 314, 104937.Research output: Contribution to journal › Article › peer-review
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The distribution and occurrence of rare earth elements (REEs) in coal and industrial scale boiler and gasifier ash
Mkhize, M., Wagner, N. & Bada, S., 1 Feb 2026, In: Fuel. 405, 136618.Research output: Contribution to journal › Article › peer-review
Open Access2 Citations (Scopus) -
Modes of occurrence of rare earth-bearing minerals in South African coal and ash samples using electron microscopy
Biswas, S., Wagner, N. J. & Moroeng, O. M., 1 Sept 2025, In: Minerals Engineering. 230, 109436.Research output: Contribution to journal › Article › peer-review
Open Access3 Citations (Scopus) -
Understanding beneficiated coals using organic petrology: mineral and maceral partitioning in Highveld coals, South Africa
Matlala, I. V., Wagner, N. J., Moroeng, O. M., Perleros, K. & Kalaitzidis, S., 2025, In: International Journal of Coal Preparation and Utilization. 2025, 2547712.Research output: Contribution to journal › Article › peer-review
Open Access1 Citation (Scopus) -
An assessment of Rare Earth Elements in borehole cores from the Ermelo, Witbank and Waterberg Coalfields, South Africa: Focus on mode of occurrence
Modiba, D. G. & Wagner, N. J., Oct 2024, In: Journal of the Southern African Institute of Mining and Metallurgy. 124, 10, p. 559-566 8 p.Research output: Contribution to journal › Article › peer-review
Open Access3 Citations (Scopus)
Press/Media
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MJT emphasises people as the heart of SA’s mining industry
27/10/25 → 31/10/25
4 items of Media coverage
Press/Media
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