Experimental study of the thermochemical treatment of the low-grade coal prior to boiler combustion at coal-fired power stationVolodymyr Yemelianenko, Vitalii Pertsevyi, Oleksandr Zhevzhyk, Iryna Potapchuk and Oleksandr LutaiE3S Web Conf., 109 (2019) 00119DOI: https://doi.org/10.1051/e3sconf/201910900119