FIELD: oil producing, oil refining, petrochemical branches of industry; method is used for intensification of heat exchange and mass exchange processes. SUBSTANCE: method provides for oil treatment with low frequency acoustic oscillations, vibrating submerged streams and hydraulic shocks with frequency equal to own frequency of submerged vibrating streams and amplitude ensuring transfer of medium volume in vibrating state. Apparatus has body, vibrations exciter, perforated partitions and packings, pistons with membranes and gas separator. EFFECT: intensified heat exchange and mass exchange processes. 2 cl, 3 dwg , 1 tbl
