FIELD: oil and gas producing industry; diesel-driven mobile drilling rigs and diesel driven heavy trucks. SUBSTANCE: device has cyclone, air ejector and adsorber with four chemical adsorbent packs. Exhaust gases are cleaned first from soot, coke other hard particles in cyclone. Gas flow receives additional impulse of kinetic energy in ejector. Then exhaust gases are directed into adsorber where they are successively cleaned in four chemical adsorbent packs. EFFECT: enhanced efficiency of exhaust gas cleaning. 3 dwg
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