TY JOUR TI THE IMPROVING EFFICIENCY OF AIR COOLING APPARATUS OF THE INSTALLATION OF A SULFURIC ACID ALKYLATION KW air cooling apparatus KW finned KW heat exchange pipes KW butane JO Modern Technologies and Scientific and Technological Progress AU Ahtareeva, E.O. AU Dement'ev, A.I. AU Podoplelov, E.V. PY 2020 IS 2020 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»