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US 11,529,623 B2Granted
Filter element for decomposing contaminants, system for decomposing contaminants and method using the system
OwnerTakashi Ozaki, Takuya Fukumura +4inventors
InventorsTakashi Ozaki, Takuya Fukumura, Keita Mine, Guang Pan, Ekambaram Sambandan, Rajesh Mukherjee
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Abstract
Embodiments of the present invention include a filter element for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst and a co-catalyst. The embodiments of the present invention also includes a system for decomposing contaminants including a substrate, and a photocatalytic composition comprising at least a photocatalyst and a co-catalyst; and a method using the system.
Claims20
A filter element for decomposing contaminants comprising:
- a substrate;
- and
- a photocatalytic mixture comprising at least a photocatalyst and a co-catalyst;
- wherein the photocatalyst comprises WO3 and the co-catalyst comprises CeO2, and
- wherein the molar ratio of WO3 to CeO2 is 1:5 to 5:1.
2 more elements
Dependencies are inferred from the claim text.