Hydrated Quad-Metallic Catalyst Substrates for UV Air Purification
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Solution Overview
Problem
Current photocatalytic air purifiers using broad-spectrum UV light and titanium dioxide catalysts are limited in their ability to effectively oxidize organic compounds and microorganisms due to inefficiencies in light distribution and catalyst performance.
Innovation Solution
A photocatalytic device with a housing containing hydrated quad-metallic catalyst substrates and ultraviolet light sources, utilizing reflectors to optimize UV light distribution across the catalysts, supporting hydroxyl radical reactions with water vapor to produce hydroperoxides and hydroxyl ions, and an ion generator to enhance air purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If broad-spectrum UV light and titanium dioxide catalysts are used in photocatalytic air purifiers, then the device can oxidize organic compounds and destroy microorganisms, but the oxidation efficiency and microbial destruction effectiveness are limited due to inefficiencies in light distribution and catalyst performance
Solution Approach 1:
The patent changes the catalyst material from conventional titanium dioxide to hydrated quad-metallic catalyst substrates, altering the chemical composition and active sites to enhance photocatalytic activity. This parameter change in catalyst material directly improves oxidation efficiency and microbial destruction effectiveness under UV irradiation
Solution Approach 2:
The patent employs reflectors with curved surfaces to redirect and distribute UV light more uniformly across the catalyst substrates. The curved geometry of the reflectors enables better light scattering and coverage, ensuring more consistent illumination of the catalyst material and improving overall reaction efficiency
2Productivity
If UV light sources are positioned close to catalyst substrates to maximize light exposure, then photocatalytic reaction efficiency improves, but the distance between light source and catalyst surface becomes constrained
Solution Approach 1:
The patent uses curved reflectors to redirect UV light from the light source to illuminate the catalyst substrates from multiple angles. This curved reflection geometry allows the light source to be positioned at an optimal distance while still achieving comprehensive coverage of the catalyst surfaces through reflected light paths
Solution Approach 2:
The patent introduces reflectors that redirect UV light in additional spatial dimensions, creating multiple light paths from the original light source position. This dimensional expansion of light distribution allows the light source to maintain an optimal distance from catalysts while still providing intensive illumination through reflected rays
3Productivity
If more catalyst substrates are added to increase oxidation capacity, then air purification effectiveness improves, but device complexity and space requirements increase
Solution Approach 1:
The patent combines multiple catalyst substrates into a single integrated catalyst assembly structure. This merging approach maintains the total catalytic capacity needed for effective air purification while reducing the number of separate components and simplifying device assembly and maintenance
Solution Approach 2:
The hydrated quad-metallic catalyst substrates are designed to perform multiple functions simultaneously: oxidizing organic compounds, destroying microorganisms, and maintaining structural stability. This multi-functionality reduces the need for separate specialized components, thereby reducing overall device complexity while maintaining purification effectiveness
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device achieves enhanced oxidation of organic compounds and microbial destruction by optimizing UV light exposure and catalyst performance, improving air purification efficiency and effectiveness.
Implementation Method 1
a photocatalytic device with a housing containing hydrated quad-metallic catalyst substrates and ultraviolet light sources, utilizing reflectors to optimize UV light distribution across the catalysts, supporting hydroxyl radical reactions with water vapor to produce hydroperoxides and hydroxyl ions
Implementation Method 2
catalyst substrates adapted to support a hydroxyl radical reaction with ultraviolet light and water vapor that results in hydro peroxides and hydroxyl ions
Implementation Method 3
an ultraviolet light source disposed within the housing and adapted to provide the ultraviolet light to the one or more catalyst substrates
Implementation Method 4
one or more reflectors disposed within the housing and positioned adjacent to the one or more catalyst substrates, the one or more reflectors having a shape configured to distribute reflected ultraviolet light from the ultraviolet light source across a surface of the one or more catalyst substrates
Implementation Method 5
a fan disposed within the housing and adapted to cause air to enter the housing via the inlet opening, circulate through the one or more catalyst substrates within the housing
Data Source
AI summary
A photocatalytic device includes a housing with inlet and outlet openings. Hydrated multi-metallic catalyst substrate(s) disposed within the housing support a hydroxyl radical reaction with water vapor and ultraviolet light from a source in the housing, resulting in hydro peroxides and hydroxyl ions. At least one ion generator disposed in the housing provides ions. A fan disposed within the housing causes air to enter the inlet opening, circulate through the catalyst substrate(s), and exit the outlet opening, carrying the ions. A power converter disposed in the housing is operatively coupled to a power connector adapted to accept a plurality of plugs or cords. Each plug or cord is configured to plug into a corresponding conventional outlet to supply a corresponding conventional alternating current voltage at conventional cycles to the power converter for powering the ultraviolet light source, ion generator(s) and fan.