Marine exhaust gas scrubbing and ballast water disinfection system

A marine exhaust gas scrubbing and ballast water disinfection method whereby contaminants including sulfur dioxide (SO2), nitrous oxides (NOx), oils, and small particles, are removed from engine and boiler exhaust gas flow by contact with seawater/water containing invasive species thereby capturing sulfur dioxide and using said sulfur dioxide to suppress the transfer and spread of invasive species when said water/seawater is used as ships ballast before discharging comprising:

• a. drawing in seawater/water and directing the seawater/water into a wet scrubber with a plurality of nozzles located in the funnel of a ship to spray the seawater/water into the exhaust gas flow from the ship engines or boilers to absorb SO2, and NOx, entering the wet scrubber and to entrain oils and suspended solids in the seawater/water,
• b. separating the oils and suspended solids in the seawater/water forming an acid treated seawater/water,
• c. adding sufficient sulfur dioxide to the acid treated seawater/water to suppress the invasive species,
• d. raising the pH of the acid treated seawater/water for use as ships ballast, and
• e. periodically or continuously discharging the ships ballast back into the sea/water.