TY JOUR TI ABOUT THE PROBLEM OF UTILIZATION OF HYDROLYZED LIGNIN KW hydrolysis lignin KW wood processing KW industrial waste KW carbon reducing agents JO Scientific Papers Collection of the Angarsk State Technical University AU Scherbin, S.A. AU Evdokimenko, D.S. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»