METHOD FOR MANUFACTURING CARBONATED SLAG

摘要

PROBLEM TO BE SOLVED: To manufacture a carbonated slag from a steelmaking slag by a simple, high-productivity and low-cost method.SOLUTION: A steelmaking slag 15 is immersed in water 16 in a reaction tank body 10; a carbon dioxide gas 12 is blown in the water 16 under stirring; and the blowing-in of the gas 12 is finished when pH of the water 16 at this time falls in the range of 11.8 or lower and 8.5 or higher.