TY JOUR TI EXPERIMENTAL STUDIES OF THE EFFECT OF TEMPERATURE AND FREQUENCY OF BIOMASS MIXING ON BIOMETHANE PRODUCTION KW biomethane KW anaerobic fermentation KW biomass temperature KW bubbling mixing JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Suslov, D.Y. PY 2025 IS 10 PB Belgorod State Technological University named after V.G. Shukhov