Thermal decomposition of sulfur brown coal Yuliya Tsvetkova, Vladimir Kislov, Andrey Zaichenko, Maxim Tsvetkov, Eugeny Salgansky and Dmitry Podlesniy E3S Web Conf., 498 (2024) 03001 Published online: 06 March 2024 DOI: 10.1051/e3sconf/202449803001