METHOD FOR MANUFACTURING CALCIUM CARBONATE-CONTAINING PHOTOCATALYTIC COMPOSITE COMPOSITION AND CALCIUM CARBONATE-CONTAINING PHOTOCATALYTIC COMPOSITE COMPOSITION

摘要

PROBLEM TO BE SOLVED: To manufacture a high-efficiency photocatalyst without using existing advanced techniques or expensive materials.SOLUTION: In the provided method for manufacturing a calcium carbonate-containing photocatalytic composite composition, a substrate having a photocatalytic function is mixed with a second calcium carbonate including a naturally derived calcium carbonate such as fossil coral, etc.; a method for manufacturing a calcium carbonate-containing photocatalytic composite composition wherein a substrate having a photocatalytic function is mixed with a second calcium carbonate including a naturally derived calcium carbonate such as fossil coral, etc. in the presence of metal ions is also provided.