00784naa#a2200193#i#450# EN\\bibl\81982 20250412212447.6 2686-9896 20240422b2024####ek#y0engy0150####ca RU EXTRACTION OF BUTADIENE OF REQUIRED PURITY FROM BUTENE-DIVINYL FRACTION BY EXTRACTIVE RECTIFICATION Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2024 1 с. Journal article local Продукты основной химической промышленности. 661 Ul'yanov Boris Aleksandrovich Semenov Ivan Aleksandrovich Evseeva Daria Viktorovna angtu.editorum.ru