Factory Alumina Honeycomb for Environmental Protection and Energy Saving

Factory Alumina Honeycomb for Environmental Protection and Energy Saving

Product Description

As a core material for catalyst carriers, heat storage media, and filter media, alumina honeycomb ceramic is widely used in automotive exhaust purification, industrial waste gas treatment, high-temperature heat recovery, molten metal filtration, and water treatment, making it an irreplaceable key functional material in modern environmental protection and energy-saving technologies. Its customizable specifications and material formulations can adapt to various scenarios, from RTO/RCO environmental protection equipment to automotive exhaust treatment and industrial kiln waste heat recovery. Its long-lasting and durable characteristics significantly reduce equipment operation and maintenance costs, making it one of the key materials driving industrial energy conservation and environmental protection upgrades.

Core Performance Advantages

1. Ultra-large specific surface area, doubling catalytic efficiency

    Specific surface area: Up to hundreds of square meters per gram (after coating), providing ample active sites for the catalyst.

   Channel structure: Regularly arranged hexagonal through-holes ensure full contact between gas molecules and the catalytic surface, accelerating redox reactions.

   Mass transfer optimization: Laminar or turbulent channel design maximizes gas-liquid contact efficiency and improves reaction kinetics.

2.Exceptional high-temperature resistance

   Maximum operating temperature: up to 1750℃ (under no-load conditions), far exceeding that of ordinary ceramic materials

   Thermal shock resistance: resistant to thermal shock exceeding 200℃, capable of withstanding harsh conditions of rapid heating and cooling

   Low coefficient of thermal expansion: approximately 8.4 μm/m·°C, effectively reducing the risk of thermal stress cracking

3.Excellent mechanical strength and structural stability

   Compressive strength: up to 2070–2620 MPa, far exceeding ordinary honeycomb ceramic materials

   Flexural strength (MOR): 310–379 MPa, robust structure not easily damaged

   Erosion resistance: dense structure resists high-speed airflow erosion, preventing peeling and clogging

4.High-efficiency heat recovery and energy saving

   Heat exchange efficiency: high heat exchange capacity per unit volume, heat recovery efficiency can reach over 90%

   Heat storage capacity: high density, large heat capacity, rapid heat absorption and release

   Energy saving effect: compared with traditional combustion technology, it can reduce fuel consumption by 20%–50% and NOx emissions by over 40%.

5.Chemical Stability and Corrosion Resistance

   Acid and Alkali Resistance: resistant to strong acids, strong alkalis, and salt spray corrosion; suitable for chemical and petrochemical environments.

   Oxidation Resistance: does not react with oxygen at high temperatures, maintaining structural integrity.

   Slag Resistance: resists erosion by molten metal and high-temperature slag.

6.Low airflow resistance and high mass transfer

   Small pressure drop: regular straight-through channel design, airflow resistance is much lower than random packing

   Shallow penetration depth: small thermal penetration depth, fast thermal response

   High mass transfer efficiency: optimized channel geometry ensures uniform gas distribution

Product Specifications

1.Physical and chemical properties

2.Structural Specifications

Applications

1.Catalyst Support

   Alumina honeycomb ceramics are the core carrier material for automotive three-way catalytic converters (TWC), diesel vehicle exhaust SCR denitrification systems, and industrial VOC catalytic combustion systems.Coating process: after coating the surface with a γ-Al₂O₃ active coating, a noble metal (Pt, Pd, Rh) or transition metal oxide catalyst is loaded.Catalytic function: promotes the conversion of harmful gases such as CO, HC, and NOx into harmless components such as CO₂, H₂O, and N₂.Cell density: 100–600 CPSI, customized according to emission standards and engine type.

   Three-way catalytic converter (TWC) for gasoline vehicles

   SCR/SNCR denitrification systems for diesel vehicles

   Catalytic oxidation of VOCs in industrial applications (RCO/CO)

   Fixed-bed catalytic reactors in chemical industries

2.Thermal Regenerators

   As the core thermal storage elements of regenerative thermal oxidizers (RTOs) and high-temperature air combustion (HTAC) systems.Heat recovery efficiency: >90%, significantly reducing energy consumption in industrial furnaces and kilns.Energy saving effect: Fuel consumption reduced by 20%–50%, oxidation loss reduced by 20%.NOx emission reduction: Emissions reduced by more than 40%.Rapid heat exchange: Large heat exchange area per unit volume, rapid thermal response.

   Regenerative thermal oxidizer (RTO) waste gas incinerator

   High-temperature air combustion system for industrial furnaces and kilns

   Gas turbine heat exchanger

   Waste heat recovery in the steel, glass, and ceramics industries

3.Molten Metal Filtration

   Utilizing the precise pore structure of honeycomb ceramics, this filter effectively removes impurities from molten metals such as aluminum, copper, iron, and stainless steel.Filtration accuracy: removes oxide inclusions, non-metallic impurities, and air bubbles.Purification effect: Improves the surface quality, density, and mechanical properties of castings.Operating temperature: ≤1500℃.Pore density: 100/200/300 CPSI optional.

   Continuous and semi-continuous casting of aluminum alloys

   Precision casting of copper alloys

   Iron and stainless steel casting

   Gravity casting and low-pressure casting

4.Water Treatment and Photocatalysis (Water Purification)

   Macroporous honeycomb alumina ceramics are used as supports for photocatalysts (such as TiO₂) in water treatment and purification.

   Pore size controllable: 180–315 μm, porosity 60.4%–79.5%

   Photocatalytic efficiency: TiO₂ coating achieves up to 79.52% degradation efficiency of methylene blue

   No-recovery process: fixed-bed structure avoids the recovery problems of powdered catalysts

   Application areas: industrial wastewater treatment, drinking water purification, antibiotic/hormone removal

5.Other Industrial Applications

   Chemical packing: replaces traditional bulk packing in distillation columns and absorption towers, offering higher efficiency and lower pressure drop.

   High-temperature filtration: high-temperature flue gas dust removal and PM2.5/PM10 particulate matter capture.

   Electronics & electrical appliances: insulation support and thermal management components.

   Metallurgical industry: high-temperature furnace linings and thermocouple protection tubes.

Product Lines and Customization Service

Customized Services

1. Non-standard size design: customized shape and pore layout based on reactor/furnace structure
2. Customized pore density: from 13 CPSI to 600 CPSI, meeting different flow rates and pressure drop requirements
3. Catalyst coating: providing active coatings such as γ-Al₂O₃ and CeO₂-ZrO₂, as well as precious metal loading services
4. Metal insert Integration: high-temperature bonding of ceramic and metal, achieving both electrical conductivity and mechanical strength
5. Surface treatment: polishing, glazing, metallization, meeting special operating conditions

Comparison of the properties of honeycomb ceramic materials

Purchasing Recommendations

Installation Precautions

1. Handle with care: Honeycomb ceramics are relatively brittle; avoid collisions and drops.
2. Sealing gasket: Use high-temperature resistant ceramic fiber gaskets during installation to prevent gas short circuits.
3. Preheating procedure: For first-time use, heat up slowly to avoid thermal shock causing cracking.
4. Correct direction: Ensure the airflow direction is consistent with the axial direction of the channel to reduce pressure drop.

Routine Maintenance

Regular Dust Removal: After a period of use, the heat storage medium needs to be cleaned of accumulated dust to restore heat exchange efficiency.

Catalyst Regeneration: The catalyst support can be periodically regenerated by high-temperature calcination to extend its service life.

Clogging Check: The pressure drop of the honeycomb ceramic filter needs to be monitored, and it should be replaced promptly.

Common Problem Handling

Our workshop

Why choose us?

1.Customized R&D, rather than standard product adaptation

2.Deep control of materials science：Material Selection Based on Needs，Microstructure Optimization，Batch Consistency

3.Precision machining capability：Flatness can reach 0.001mm, parallelism 0.002mm, and roughness Ra 0.1μm.

FAQ

Q1: What products does your company offer?

We specialize in high-performance ceramics such as alumina and silicon nitride, providing insulators, structural components, wear-resistant parts, and customized solutions.

Q2: Can you customize non-standard parts?

Yes. We support processing based on provided drawings and collaborative technical development, offering a full-process service from design to mass production.

Q3: What about accuracy and delivery time?

Standard tolerance ±0.05mm, precision grade ±0.01mm; samples 7-15 days, bulk orders 20-30 days.

Q4: Main application areas?

Power, electronics, machinery, chemical, and aerospace industries.

Q5: Quality assurance measures?

Full-process quality inspection, providing material reports and performance test data, supporting third-party certification and testing.

Q6: Do you provide technical support?

We provide professional support such as material selection consultation, design optimization, and failure analysis.