TED-AJ03-295 WET SCRUBBER SYSTEM DEVELOPMENT FOR MARINE EMISSION CONTROL BY USING ELECTROLYZED SEAWATER

概要

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This research makes a new attempt to use the activated seawater by electrolysis in the wet scrubber for the large diesel engine as a sort of post exhaust gas treatment. By means of electrolysis using the seawater, the activated alkaline water made by a negative poly is used to neutralize sulfuric oxide (SOx), carbon dioxide (CO_2) and carbon monoxide (CO) etc., but on the other hand, the activated acidic water made by a positive pole oxidizes nitric monoxides (NO) of exhaust gas to nitric dioxides (NO_2), thus the NO_2 become dissolved into the seawater. Moreover, the particulate matter of exhaust emissions is forced into direct contact with seawater. The results found that the high alkaline water of pH 10 was effective in reduction of SOx, CO_2,and above all else, the acidic water of pH 3 converted NO into NO_2 when compared with the other pH. Besides, it was also adequate to reduce the particulate matter. This experiment believes that the way to reduce emissions from the marine diesel engines is to make it attractive from an operating perspective, as well as an environmental perspective.
一般社団法人日本機械学会の論文