LiqTech lives and breathes Silicon Carbide, and the material is at the core of everything we do. This enables us to provide state-of-the-art silicon carbide (SiC) DPF auto filters for various applications.
The optimized coatability property of the LiqTech DPF filter will aid continuous soot combustions, which will maintain the back pressure low by reducing emissions by up to 99.96 %.
Based on the requirements, e.g., durability, coatability, back pressure, service interval, and thermal regeneration strategy, we will customize the silicon carbide DPF material for optimal performance in the specific application.
In the retrofit market, DPF systems providers are challenged by legislative forces to limit the increase of NO2 from DPF systems. LiqTech provides NO2 compliant catalyzed diesel particulate filters (cDPF) for both passive and active systems.
For the 500 kW engines and industrial applications, we can deliver modular square elements in sleeving for easy implementation in your system. Based on the feedstock and gas characteristics, we will make our recommendations for coating on the particulate filter to control emissions.
Efficient, durable SiC filtration.
Built for a wide range of demanding applications.
LiqTech’s catalytic coatings are designed to optimize emission control across demanding diesel applications. Depending on the operating conditions, our solutions support low-temperature engines, challenging duty cycles, high-sulphur fuels, and varying fuel quality.
Our coating portfolio includes CDPX for low-temperature operation, BASE X and SOLID X for challenging fuel environments, and NO2X / NO2P for passive regeneration and NO₂ compliance. Combined with LiqTech’s DPF substrates and complete ready-to-install units, the coatings help ensure reliable performance, efficient regeneration, and strong emissions control for both retrofit and OEM applications.
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Base X / Solid X │ CDPX │ NOx2 │ No2P
LiqTech’s DPF housing and sleeving solutions are designed to deliver a complete, ready-to-install emission control unit for demanding applications. Each system combines the substrate, catalytic coating, sleeving, and welded steel housing into one robust solution, ensuring reliable performance and easy integration.
Designed to fit existing exhaust configurations, LiqTech’s sleeved DPF units help simplify installation, reduce compatibility risks, and support long-term durability in harsh operating environments.
Substrate composition of recrystallized SiC.
| Cell Density [CPSI] | 90 |
| Channels Geometry | Square |
| Wall Thickness [mm] | 0.76 |
| Porosity [%] | 43 +/- 2 |
| Mean Pore Size [µm] | 15 +/- 2 |
| Filtration Surface per liter [m²] | 0.54 |
| Open Frontal Area [%] | 25.6 |
| Max. Temperature [°C] | 1200°C |
| Wall Fracture Strength [Mpa] | >25 |
| Compressing Strength [Mpa] | 4.9 |
| Thermal Conductivity @ 25°C [W/m.K] | 40 |
| Thermal Conductivity @ 650°C [W/m.K] | >15 |
| Filtration Efficiency(with and without soot load) [%] | soot >95% |
| VERT Approval [Yes/No] | Yes |
| Washcoat/PGM [Yes/No] | Yes/yes |
| Max. Soot Load [g/l] | 15 |
Substrate composition of recrystallized SiC.
| Cell Density [CPSI] | 150 |
| Channels Geometry | Square |
| Wall Thickness [mm] | 0.51 |
| Porosity [%] | 43 +/- 2 |
| Mean Pore Size [µm] | 15 +/- 2 |
| Filtration Surface per liter [m²] | 0.74 |
| Open Frontal Area [%] | 28.8 |
| Max. Temperature [°C] | 1200°C |
| Wall Fracture Strength [MPa] | >25 |
| Compressing Strength [MPa] | 4.9 |
| Thermal Conductivity @ 25°C [W/m.K] | 40 |
| Thermal Conductivity @ 650°C [W/m.K] | >15 |
| Filtration Efficiency(with and without soot load) [%] | soot >99.98% PM |
| VERT Approval [Yes/No] | Yes |
| Washcoat/PGM [Yes/No] | Yes/yes |
| Max. Soot Load [g/l] | 12 |
Substrate composition of recrystallized SiC.
| Cell Density [CPSI] | Nominal 180 (200) |
| Channels Geometry | Square |
| Wall Thickness [mm] | 0.48 |
| Porosity [%] | 43 +/- 2 |
| Mean Pore Size [µm] | 15 +/- 2 |
| Filtration Surface per liter [m²] | 0.80 |
| Open Frontal Area [%] | 29.8 |
| Max. Temperature [°C] | 1200°C |
| Wall Fracture Strength [Mpa] | >25 |
| Compressing Strength [Mpa] | 4.9 |
| Thermal Conductivity @ 25°C [W/m.K] | 40 |
| Thermal Conductivity @ 650°C [W/m.K] | >15 |
| Filtration Efficiency(with and without soot load) [%] | soot >99.98% PM |
| VERT Approval [Yes/No] | Yes |
| Other Approvals (What?) | TÜV, CARB |
| Washcoat/PGM [Yes/No] | Yes/yes |
| Max. Soot Load [g/l] | 10 |
Claus Bode
Sales & Business Development Director Emission Technology & DPF
Brian Ambo Petersen
Sales Manager, Emission Tech
