Industrial sulfur separation and purification: Paving the way to energy applications
Uali A. Kazymbetova A. Belgibayeva A. Nurpeissova A. Bakenov Z. Mukanova A.
15 April 2025Elsevier B.V.
Chemical Engineering Journal
2025#510
Sulfur, a by-product of industrial processes, presents a unique opportunity for advancing sustainable energy storage systems, particularly in metal-sulfur batteries (MSBs) and thermal energy storage (TES) applications. Both MSBs and TES technologies benefit from sulfurs abundance, cost-effectiveness, and high energy storage potential. However, the effective utilisation of sulfur in these systems relies on its purification to meet stringent quality standards, as impurities can significantly impact performance. This review examines sulfurs role as an industrial by-product, detailing conventional and alternative purification methods from sources such as petroleum and coal. Techniques such as hydrodesulfurisation (HDS), adsorptive desulfurisation (ADS), oxidative desulfurisation (ODS), and biodesulfurisation (BDS) as well as extraction and flotation are evaluated for their efficiency, scalability, and environmental impact. Sulfurs dual application in MSBs and TES positions it as a critical material for sustainable, large-scale energy storage solutions, underscoring this researchs significance and impact implications. The review emphasises the need for continued innovation in sulfur purification methods and integrating green chemistry principles to enhance sustainability. The insights provided here pave the way for broader sulfur utilisation, offering sustainable pathways for its application in industrial processes and energy storage technologies.
Energy storage , High purity , Metal-sulfur batteries , Purification , Sulfur
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National Laboratory Astana PI, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Department of Chemistry, L.N. Gumilyov Eurasian National University, Kazhymukan Street 13, Astana, 010000, Kazakhstan
Institute of Batteries LLC, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
National Laboratory Astana PI
Department of Chemistry
Institute of Batteries LLC
Department of Chemical and Materials Engineering
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