| abstract |
[PROBLEMS] To provide an antibacterial metal ion that is excellent in sustained release of antibacterial metal ions in water, is economical and safe, and exhibits an effective antibacterial effect, and can also be used as an oxidation catalyst in the chemical industry. An object is to provide an antibacterial granule and a method for producing the same. (1) A step of subjecting a granular material containing an inorganic oxide having ion exchange ability to an ion exchange treatment with an antibacterial metal salt solution at 10 ° C. to 50 ° C. for 1 minute to 10 minutes; (2) A step of heat-treating the granule subjected to the ion exchange treatment in the step (1) in an air atmosphere at 200 ° C. to 550 ° C. or in a reducing atmosphere, A method for producing an antibacterial granular material. [Selection figure] None |