00643naa#a2200205#i#450# EN\\bibl\114170 20260203203634.2 3034-4689 20260131b2026####ek#y0engy0150####ca RU MODELING OF THE PYROLYSIS PROCESS OF EXCESS ACTIVE SLUDGE TO OBTAIN CARBON SORBENT AND ITS APPLICATION FOR WASTEWATER TREATMENT Journal article Kazan Kazan National Research Technological University 2026 8 с. Journal article local Burenko S. V. Sverguzova S.V. Galimova R. Z. vestniktu.ru