Device that reduces CO2 in exhaust gas, namely, a device that reduces CO2 in exhaust gas by injecting CO2 contained in the exhaust gas of the internal combustion engine for ships into seawater and converting the CO2 into carbonate; Exhaust gas purifier, namely, a device that filters pollutants in the exhaust gas in the process of passing the engine exhaust gas through the seawater; Carbonate manufacturing device, namely, a device that produces various carbonates (CaCO3, MgCO3, etc.) as a by-product while converting CO2 into carbonates; Water treatment device, namely, a device that changes the physical properties of seawater by removing Mg, Ca, etc.; Seawater concentrating facility using wind power; Seawater Desalination Facility; Seawater evaporation device; Sea Salt Manufacturing Facility

Device that reduces CO2 in exhaust gas, namely, a device that reduces CO2 in exhaust gas by injecting CO2 contained in the exhaust gas of the internal combustion engine for ships into seawater and converting the CO2 into carbonate; Exhaust gas purifier, namely, a device that filters pollutants in the exhaust gas in the process of passing the engine exhaust gas through the seawater; Water treatment device, namely, a device that changes the physical properties of seawater by removing Mg, Ca, etc.; Seawater concentrating facility using wind power; Seawater Desalination Facility; Seawater evaporation device