TY JOUR TI Transformation of combined raw materials on zeolite-containing catalysts KW zeolites KW catalysts KW high-octane components KW propane-butane fraction KW gasoline fraction KW isoparaffins KW aromatic hydrocarbons JO Oil and gas technologies and environmental safety AU Savenkova, I.. AU Nikulin, A.. PY 2024 IS 2024 PB Astrakhan State Technical University