Research of Environmental and Economic Interactions of Coke And By-Product Process Vladimir Mikhailov, Tamara Kiseleva, Svetlana Bugrova, Alina Muromtseva and Yana Mikhailova E3S Web Conf., 21 (2017) 02004 Published online: 10 November 2017 DOI: 10.1051/e3sconf/20172102004