Silicon Carbide (SiC) Ceramic Membranes for Water and Process Liquids
Silicon carbide (SiC) membranes are porous ceramic filtration elements for microfiltration and ultrafiltration (MF/UF), with listed ratings of 0.04–1.0 µm depending on the element. ADCERAX supplies multi-channel tubes, flat sheets and assembled column modules — from a single 0.177 m² sheet to 25.6 m² column units — for industrial and oily wastewater, produced water, MBR and RO pretreatment. We review your feedwater, separation target and configuration, and supply the elements and modules.
0.04–0.1 µm
Nominal pore size (MF/UF)
What Is a Silicon Carbide Membrane?
A silicon carbide membrane is a ceramic filtration element selected around its separation layer, support and flow path. Tubular and flat-sheet elements can be specified at component level; an assembled column module also includes a housing, seals and connections.
For microfiltration and ultrafiltration projects, begin with the feed, separation target and installation. The selected element and complete assembly define the applicable specification and sample evaluation.
Which Silicon Carbide Membrane Format Do You Need?
The right format depends on your solids level, system size and filtration target. Each route below opens the product page with the full configuration list.
Multi-channel, open-end, closed-end and flanged forms for housing and flow path
Assembled core, housing, seals and ports for assembly-level procurement
Individual sheets, end-connected units or 42-sheet modules for rack and collection layout
Which SiC Membrane Configuration Do You Need?
Different SiC membrane configurations are designed for different process needs. The right option depends on your solids level, system size, and filtration target.
Tubular Membrane
Best For: High-solids, cross-flow, pilot testing
Typical applications:Mining slurry, oily water, catalyst recovery
Filtration Area: 0.03-0.25 m² per tube
Column Module
Best For: Large-scale municipal/industrial systems
Typical Applications: MBR, RO pretreatment, municipal WWTP
Filtration Area: 5-15 m² per module
Flat Sheet
Best For: High packing density, MBR retrofit
Typical Applications: MBR systems, desalination pretreatment
Filtration Area: 0.15-0.30 m² per sheet
Technical Specification of Silicon Carbide Membrane
The following specifications summarize the core performance ranges of silicon carbide membranes commonly used in industrial filtration projects. Actual values may vary depending on membrane type—tubular, column module, or flat-sheet configuration.
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Membrane Material | Recrystallized Silicon Carbide (SiC) | Design Flux Range | 150–400 LMH |
| Recommended Operating pH | 2–12; Cleaning pH: 1–13 | Typical Nominal Pore Size | 0.02–0.1 μm |
| Operating Temperature (System-Limited) | 5–65 °C | Open Porosity | 40–45% |
| Maximum Transmembrane Pressure (TMP) | Modules: 3 bar; Flat Sheets: 1.2 bar | Contact Angle (Hydrophilicity) | <10° (typical) |
| Effective Filtration Area | Per Tube: 0.03–0.25 m²; Per Flat Sheet: 0.15–0.30 m²; Per Column Module: 5–15 m² | ||
| Maximum Operating Pressure | Tube/Module: up to 6 bar; Flat Sheet: up to 1.5 bar | ||
| Cleaning Compatibility | Backwash; Air Scouring; Chemical CIP; Oxidation Cleaning | ||
Select the Format Around Your Feed and Separation Target
SiC ceramic membranes combine exceptional chemical resistance, high flux stability, and superior fouling recovery. They are the optimal choice for demanding filtration environments where polymer membranes fail.
| Project task | Route to evaluate | Decision-changing data |
|---|---|---|
| Particle-rich or oil-bearing process liquid | Tubular element or housed column module with a defined crossflow path | Solids and particle distribution, oil/emulsion, viscosity, target permeate, channel geometry and cleaning duty |
| MBR expansion or rack replacement | Flat sheet, end-connected unit or 42-sheet module | Rack space, sheet spacing, collection and aeration arrangement, MLSS and operating duty |
| RO/NF pretreatment | Selected MF/UF element or module ahead of the downstream RO/NF stage | Particle/colloid target, downstream feed-water requirement, flow and feed-based trial |
| Chemical, saline or mining process liquid | Selected element with the complete wetted assembly | Chemical composition, concentration, solids, temperature, exposure time and cleaning cycle; include housing, seals and bonding materials |
| Existing installation replacement | Candidate geometry matched to the old component and its assembly | Old reference, drawing, ends, active area, ports, seals, flow direction and installation checks |
Industrial and Municipal Silicon Carbide Membrane Applications
ADCERAX supplies silicon carbide membrane elements and modules for MBR upgrades, RO pretreatment and demanding municipal and industrial wastewater treatment. Your system builder or EPC handles plant integration.
Municipal Treatment
Stable filtration for variable municipal water.
- MBR upgrades: stable flux, strong cleaning tolerance.
- RO pretreatment: less fouling of downstream RO.
- Tertiary polishing: clear, compliant effluent.
Chemical Processing
For corrosive and hot process liquids.
- Chemically stable across strong acids, alkalis and solvents.
- Clarifies process liquids and recovers valuable catalysts.
- Tolerates harsh cleaning without loss of integrity.
Mining Filtration
For abrasive slurries and solid–liquid separation.
- Rigid structure stands up to abrasive, high-solids slurries.
- Stable crossflow separation for tailings and process streams.
- Recovers clarified water and concentrates solids.
Industrial Effluents
For high-strength, variable industrial wastewater.
- Handles heavy organic and solids loads without rapid fouling.
- Withstands aggressive CIP and oxidizing cleaners.
- Recovers water for reuse from difficult effluents.
No MOQ · drawing-based customization · an engineer reviews your feedwater before quoting.
Custom SiC Membranes: Drawing-Based Configuration and Samples
Custom dimensions, ends, flanges and interfaces are configured to your drawings for OEM, small-batch and repeat supply.
Customization Options
OD/ID, total/active length, channels, end design, sealing surfaces & critical fits
Sheet size, connections/frame, spacing, module size, collection and aeration
Core/housing, seals/ports, flow paths, mounting and active-area definition
Layer/support, wetted materials, surfaces, cleanliness and tolerances
Quantity, feed/target, testing, records, acceptance, packing, destination and timing
From Initial Inquiry to Repeat Supply
Review the inquiry
Confirm the supply unit and project task.
- Send: product type or existing-part reference, and quantity.
Define the configuration
Confirm mating dimensions, supplied components, separation layer, interfaces and wetted materials.
- Send: drawing or marked-up sketch showing seats and ports.
Evaluate the sample
Agree feed-based test conditions, permeate criteria, flow response, cleaning and inspection records before testing.
- Send: feed analysis and target permeate quality.
Confirm the order
Link the approved drawing and trial results to quantity, protective packing, documentation and delivery.
- Send: final drawing revision and acceptance criteria.
Factory-Direct SiC Membranes with In-House Custom Engineering
Engineering Support for Complex Project Conditions
Our engineers match each SiC membrane configuration to your real operating loads, chemistry and retrofit constraints.
-
Operating Window Assessment:
pH, TMP, flux and CIP conditions checked for feasibility. -
Hydraulic Load Review:
flow distribution and turbulence assessed for stable operation. -
Retrofit Geometry Alignment:
dimensions and interfaces matched to your existing housings. -
Pore Architecture Selection:
pore size and porosity recommended for your fouling profile. -
Integration Drawing Support:
2D/3D drawings provided to assist OEM and EPC design. -
Pilot Validation Analysis:
small-batch sampling to check flux and fouling recovery on your feed.
Manufacturing Strength Behind Every SiC Membrane
ADCERAX runs a vertically integrated SiC membrane line — high-temperature recrystallization, precision machining and dimensional inspection — keeping membrane quality consistent batch to batch. Exact equipment ratings and tolerances are confirmed for your project on review.
| Manufacturing Capabilities Overview | |||
|---|---|---|---|
| Capability | Description | ||
| Recrystallization furnaces | High-temperature recrystallization for a stable, pure SiC membrane matrix | ||
| Microstructure control | Recrystallization tuned for consistent grain bonding batch to batch | ||
| Pore-size control | Pore size and distribution controlled to your target separation | ||
| Multi-channel forming | Multi-channel tube cores formed for stable hydraulic geometry | ||
| Flat-sheet pressing | Ceramic pressing for flat, low-warpage sheets | ||
| Module assembly | Elements assembled into UPVC / FRP / SS housings with standard interfaces | ||
Technical FAQs About Silicon Carbide Membrane
A Silicon Carbide Membrane provides intrinsic hydrophilicity and a 0.3° contact angle, which reduces irreversible fouling even when COD exceeds 800 mg/L. Its open porosity (40–45%) supports high turbulence inside channels, preventing solid deposition. The rigid SiC structure also withstands higher scouring velocities, allowing stable flux in high-load conditions.
The recrystallized SiC matrix remains chemically inert across pH 1–13 during continuous operation. It also tolerates oxidants such as chlorine, ozone, and hypochlorite without degradation. These properties make the membrane suitable for chemical, petrochemical, and surface-treatment wastewater where polymeric membranes typically fail.
A Silicon Carbide Membrane withstands stronger backwash pressure, air-scouring force, and oxidizing agents, enabling deep pore cleaning. After harsh CIP cycles, flux recovery often exceeds 90–95%. The mechanically rigid pore structure prevents deformation, ensuring long-term recovery consistency.
SiC membranes can be customized in length, outer diameter, and interface geometry to match existing housings. This minimizes structural modifications for EPC contractors. Their stable TMP tolerance supports plug-and-play upgrades for MBR, RO pretreatment, and industrial wastewater retrofits.
The membrane remains stable in salinity levels above 35,000 ppm and resists scaling under fluctuating ionic loads. Its hydrophilicity reduces biofouling and particulate deposition common in seawater. These characteristics make it ideal for desalination pretreatment and offshore process-water filtration.
Yes, SiC's negative surface charge and microstructure reduce oil adhesion compared with polymeric membranes. This results in more stable flux under emulsified oil conditions. It also allows aggressive chemical cleaning to remove stubborn oil-based foulants.
Multi-channel SiC tubes increase hydraulic efficiency and reduce pressure drop. Smaller hydraulic diameters enhance shear forces, lowering the fouling rate. These design features help maintain LMH stability in high-viscosity and particle-rich feed streams.
A Silicon Carbide Membrane has high thermal conductivity, enabling rapid heat dissipation. This reduces stress concentration during temperature spikes. As a result, the membrane tolerates rapid temperature changes that would typically crack alumina-based membranes.
No. SiC membranes are MF/UF (microfiltration/ultrafiltration) elements that remove suspended solids, oil and colloids. In desalination they serve as RO pretreatment ahead of an RO/NF system; they do not perform desalination themselves.
When the target is dissolved-salt removal or desalination (that needs RO/NF), when a very low-cost single-use filter is enough, or for gas/foundry/DPF or semiconductor-wafer uses — those are different products. We confirm fit by your feedwater and removal target first.
Application, feedwater quality (TSS, oil, COD, salinity, temperature, pH), removal target, required pore size, membrane form (tubular/flat sheet/MBR module), flow or area, and interface/module type. For a replacement, send the current membrane model and interface for review.
What to Send for a Silicon Carbide Membrane Quote
For a fast engineering review, please share:
- Feedwater chemistry — COD/BOD, TSS, oil & grease, pH, temperature, salinity/TDS
- Target separation — required pore size (MF/UF) or the contaminant you must remove
- Flow & duty — design flow (m³/h), continuous or batch, recovery target
- Configuration & fit — tubular / column module / flat sheet; housing dimensions or drawing if retrofitting
- Cleaning regime — backwash, air scour, CIP chemicals and frequency
- Drawing, datasheet or current membrane — PDF, DXF, STEP or image
Plus quantity — prototype, spare or repeat production. Our engineers confirm membrane fit (pore size, configuration and material), feasibility and typical lead time by review before quotation.
*Our team will answer your inquiries within 24 hours.
*Your information will be kept strictly confidential.
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