An exhaust pollutant abatement is provided by an embodiment of the present invention.
Exhaust pollutant reduction device according to an embodiment of the present invention, is branched from the exhaust gas pipe for supplying the exhaust gas of a combustion engine, the seawater supply pipe to receive inflow of sea water from the outside, a water supply pipe washing water supply pipe for supplying the washing water and, connected to the scrubber for spraying the washing water supplied through the washing water supply pipe to the exhaust gas flowing through the exhaust gas pipe, exhaust gas pipe or water supply pipe or scrubber, the electric seawater decomposition oxidation of hydrogen and nitrogen calculations cargo when supplied hydrogen from the purification unit, the purification unit for generating a neutralizing agent to neutralize the washing water an oxidizing agent or acidification may include a fuel cell module, and a washing water discharge pipe for the scrubber inside discharge the washing water of generating electricity for .