Modern methods of treatment plant materials for waste minimization I. A. Pankina, E. S. Belokurova, N.A. Politaeva, V. N. Lomasov and N. Z. Bashun E3S Web Conf., 140 (2019) 02014 Published online: 18 December 2019 DOI: 10.1051/e3sconf/201914002014