Honeycomb Ceramic Catalyst
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Keyword:
- Product Description
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The is a highly efficient catalyst composed of high-performance honeycomb ceramics as the framework and carrier, and coated with specific catalytic materials. Its unique honeycomb structure provides a large specific surface area and extremely low gas flow resistance for gas-solid catalytic reactions, thereby enabling a highly efficient, low-energy consumption and long-life catalytic purification process.
Core Strengths:
- Extremely large specific surface area: The dense honeycomb pore walls provide extensive attachment spaces for the active components of the catalyst, ensuring that the reaction gases can fully come into contact with the catalyst.
- Low air resistance: The parallel straight-through channel design enables smooth air flow, resulting in low system back pressure and effectively reducing the energy consumption of the equipment during operation.
- Excellent thermal stability: Using materials such as cordierite and mullite, it can withstand drastic temperature changes and has strong resistance to thermal shock.
- High mechanical strength: The sturdy ceramic structure ensures that the carrier remains structurally intact even under vibration and high flow rate conditions.
- Customization flexibility: The density of holes, size, shape and catalytic coating can be precisely designed according to specific chemical reactions.
Main application fields:
• Vehicle exhaust purification: As the core component of systems such as three-way catalytic converter (TWC), diesel oxidation catalyst (DOC), particulate filter (DPF), and selective catalytic reduction (SCR), it is crucial for reducing vehicle pollutant emissions.
• Industrial waste gas treatment: Widely used in VOCs (volatile organic compounds) incineration, denitrification (SCR) of industrial boilers/kilns, and odor gas purification, etc., helping to achieve environmental protection compliance emissions.
• Chemical and petrochemical industries: In numerous chemical synthesis processes such as catalytic oxidation and selective reduction, it serves as an efficient catalyst carrier, enhancing reaction efficiency and product yield.
• Indoor air purification: Applied in air purification equipment of large buildings and factory workshops, effectively decomposing harmful gases and odors in the air.Item Cordierite porous Mullite Alumina Porcelain High Alumina Porcelain Corundum Density(g/cm3) 1.8 2.0 1.9 2.2 2.5 Water Absorption(%) 23 18 20 13 12 Coefficient of Thermal Expansion
(×10-6K-1)(20~800ºC)≤3.0 ≤6.0 ≤6.3 ≤6.0 ≤8.0 Specific heat(J/KgK)(20~1000ºC) 750-900 1100-1300 850-1100 1000-1300 1300-1400 Thermal Conductivity
(W/m.k)(20~1000ºC)1.3-1.5 1.5-2.3 1.0-2.0 1.5-2.3 5~10 MAX Working Temp.(C) 1200 1400 1300 1400 1650 (MPa)
Axial crushing strengthDry 211 220 ≥11 ≥22 ≥25 Immersion 22.5 ≥2.5 ≥2.5 22.5 22.5
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