abstract |
PROBLEM TO BE SOLVED: To provide an economically inexpensive photodecomposition catalyst having high adsorption and decomposition efficiency, a method for producing the same, and a method for treating harmful chemical components using the same. SOLUTION: A titanium oxide raw material composite biomass in which a titanium oxide raw material is composited in at least one of a cell wall, a cell lumen, and a cell surface of a biomass material is carbonized by heating. |