WO 2019/225202 A1

Treatment method for reducing carbon dioxide discharge amount of combustion exhaust gas

(22) 11.04.2019

(43) 28.11.2019

(57) The present invention pertains to an efficient method for refining sodium carbonate using natural sodium carbonate ore comprising Na2CO3 and NaHCO3, and a method for manufacturing sodium bicarbonate using the generated sodium carbonate. The present invention also pertains to a treatment method for reducing the carbon dioxide discharge amount of combustion exhaust gas, the treatment method comprising a caustic soda synthesis step, a treatment step for reducing the carbon dioxide discharge amount of combustion exhaust gas, and a recycling step, (…).

(71) Horiishi, Nanao, Kanagawa (JP)


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