What Is a Silicon Carbide Membrane Tube?
A silicon carbide membrane tube is a porous ceramic filtration element made from recrystallized SiC. It uses a controlled pore structure to separate suspended solids, colloids, particles or process contaminants from liquid or gas streams while maintaining chemical resistance, thermal stability and mechanical rigidity.
Compared with polymer membranes, SiC membrane tubes are more suitable for corrosive, high-temperature, abrasive or frequently cleaned filtration systems. They are commonly used in industrial wastewater treatment, brine purification, chemical process filtration, fermentation clarification, oily wastewater treatment and high-temperature condensate recovery.
Key Performance Factors for SiC Membrane Tube Selection
Selecting a silicon carbide membrane tube is not only about choosing a pore size. Buyers also need to consider the feed condition, filtration target, cleaning method, flow design and system compatibility. These factors directly affect filtration stability, pressure behavior, fouling control and long-term operating reliability.
- Pore Size Rating
Pore size determines which particles, suspended solids or colloidal materials the membrane can retain. Smaller pore sizes are suitable for fine clarification and higher separation precision, while larger pore sizes may be used for pre-filtration or higher-flow process streams. The final selection should match the particle size distribution, target permeate quality and required throughput. - Open Porosity
Open porosity affects the membrane’s permeability, pressure drop and flow response. A well-connected porous structure helps maintain stable liquid passage while supporting filtration efficiency. For buyers, this factor is important because it influences pump load, operating pressure and cleaning frequency. - Channel Geometry
The channel structure controls flow distribution inside the membrane tube. Multi-channel designs can increase membrane area within a compact tube body, while suitable channel diameter helps reduce blockage risk in particle-rich or viscous fluids. This is especially important for wastewater, brine, fermentation broth and high-solids process streams. - Chemical Resistance
Silicon carbide offers strong resistance to many acidic, alkaline and oxidizing media. This makes SiC membrane tubes suitable for aggressive wastewater, chemical process filtration and CIP cleaning environments. However, the complete system should also consider seal materials, housing design and cleaning chemistry before final selection. - Thermal Stability
SiC membrane tubes maintain ceramic structure under elevated temperature and thermal cycling conditions. This is useful for hot liquid filtration, steam cleaning and process fluid recovery applications where polymer membranes may deform or lose stability. Temperature fluctuation and thermal shock risk should still be reviewed according to the actual system design. - Cleaning Compatibility
Cleaning behavior is a key factor in membrane operation. SiC membrane tubes can support backwashing, chemical cleaning or steam cleaning when the process conditions are properly matched. A suitable cleaning strategy helps control fouling, recover permeability and reduce unplanned downtime in industrial filtration systems.
Technical Specifications of Silicon Carbide Membrane Tube
The Silicon Carbide Membrane Tube uses a recrystallized SiC microstructure to support stable filtration, chemical resistance and ceramic body strength in demanding industrial environments. Its pore structure, thermal stability and cleaning compatibility should be reviewed together with the feed condition, operating pressure and system design before final selection.
| Property | Typical Specification | What It Means for Filtration Design |
|---|---|---|
| Material | Recrystallized Silicon Carbide, SiC ≥98.5% | Provides chemical resistance, thermal stability and ceramic body strength. |
| Pore Size Rating | 0.1–20 μm available by configuration | Supports different clarification, separation and pre-filtration requirements. |
| Open Porosity | 35–45% typical interconnected structure | Influences permeability, pressure drop and cleaning behavior. |
| Density | 1.4–2.55 g/cm³, depending on structure | Reflects the porous ceramic body design and support strength. |
| Tube Structure | Multi-channel, both-end-open, one-end-closed or flanged | Determines installation method, flow path and sealing interface. |
| Chemical Resistance | Suitable for many acidic, alkaline and oxidizing media | Helps filtration systems handle aggressive process streams and CIP cleaning. |
| Temperature Resistance | Up to 900 °C, depending on process design | Useful for hot liquid filtration, steam cleaning or thermal cycling conditions. |
| Pressure Resistance | Reviewed according to tube geometry and system load | Helps engineers select a safe structure for operating pressure and backwash cycles. |
| Cleaning Method | Backwash, chemical cleaning or steam cleaning where suitable | Supports fouling control and permeability recovery planning. |
For applications requiring high-temperature structural ceramic tubes rather than porous filtration elements, review silicon carbide ceramic tube options.
Available Silicon Carbide Membrane Tube Dimensions
ADCERAX supplies SiC membrane tubes in multiple structural designs for different filtration systems. Available options include multi-channel tubular elements, both-end-open porous tubes, one-end-closed tubes and flanged tube structures. The suitable dimension should be selected according to the housing design, flow direction, feed composition, required filtration rating and cleaning method.
Type 1-Silicon Carbide Tubular Filtration Tube with Multiple Bore
| Item | External Diameter(mm) | Number of Channels(pcs) | Channel Diameter(mm) | Membrane Area (m²) | Filtration Rating(μm) | Total Length(mm) | Picture |
| AT-THG-MG001 | 30 | 7 | 6 | 0.13 | 40/100/500/1000 | 100-1200 |
|
| AT-THG-MG002 | 30 | 19 | 4 | 0.24 | 40/100/500/1000 | 100-1200 |
|
| AT-THG-MG003 | 40 | 19 | 6 | 0.43 | 40/100/500/1000 | 100-1200 |
|
| AT-THG-MG004 | 40 | 37 | 4 | 0.56 | 40/100/500/1000 | 100-1200 |
|
| AT-THG-MG005 | 46 | 61 | 4 | 0.92 | 40/100/500/1000 | 1230 |
|
| AT-THG-MG006 | 46 | 81 | / | 1.27 | 40/100/500/1000 | 1230 |
|
| AT-THG-MG007 | 46 | 127 | 2.7 | 32.00 | 40/100/500/1000 | 1230 |
|
| AT-THG-MG008 | 146 | 524 | 4.3 | 7.8 | 40/100/500/1000 | 1100 |
|
Type 2-Porous Silicon Carbide Membrane Tube with Both Ends Open
| Item | External Diameter(mm) | Inner Diameter(mm) | Total Length(mm) | Filtration Rating(μm) |
| AT-THG-MG009 | 30 | 20 | 1000 | 0.1-20 |
| AT-THG-MG010 | 35 | 20 | 1000 | 0.1-20 |
| AT-THG-MG011 | 40 | 20 | 1000 | 0.1-20 |
| AT-THG-MG012 | 50 | 30 | 1000 | 0.1-20 |
| AT-THG-MG013 | 60 | 40 | 1000 | 0.1-20 |
| AT-THG-MG014 | 70 | 40-50 | 1000 | 0.1-20 |
| AT-THG-MG015 | 80 | 50 | 1000 | 0.1-20 |
| AT-THG-MG016 | 100 | 60-70 | 1000 | 0.1-20 |
| AT-THG-MG017 | 150 | 90-100 | 1000 | 0.1-20 |
| AT-THG-MG018 | 180 | 120 | 1000 | 0.1-20 |
| AT-THG-MG019 | 200 | 140 | 1000 | 0.1-20 |
| AT-THG-MG020 | 260 | 200 | 1000 | 0.1-20 |
| AT-THG-MG021 | 300 | 230 | 1000 | 0.1-20 |
Type 3-Silicon Carbide Membrane Tube Porous One End Closed
| Item | External Diameter(mm) | Inner Diameter(mm) | Length(mm) | Filtration Rating(μm) |
| AT-THG-MG022 | 60 | 40 | 200 | 0.1-20 |
| AT-THG-MG023 | 60 | 40 | 1500 | 0.1-20 |
Type 4-Porous Silicon Carbide Membrane Tube One End Closed Flanged
| Item | External Diameter(mm) | Inner Diameter(mm) | Length(mm) | Diameter of Flange (mm) | Filtration Rating(μm) |
| AT-THG-MG024 | 60 | 40 | 1000 | 75 | 0.1-20 |
| AT-THG-MG025 | 60 | 40 | 1500 | 75 | 0.1-20 |
| AT-THG-MG026 | 70 | 44 | 1000 | 84 | 0.1-20 |
Download Silicon Carbide Membrane Tube More Size
Packaging and Export Protection for SiC Membrane Tubes
Silicon carbide membrane tubes are fragile porous ceramic components and require stable packaging during international transport. ADCERAX uses protective separation, internal cushioning and reinforced outer cartons or wooden cases according to tube size, quantity and shipping route.






