SiC Ceramic Tubular Membrane Element

Here's a comprehensive introduction to the tubular element that makes up SiC ceramic tubular membrane modules:

☆ Shape & Dimensions

The tubular element has a cylindrical (tube) shape, typically with:

Many tubular elements are actually multi-channel (honeycomb) designs — meaning a single cylindrical body contains multiple parallel channels (e.g., 7, 19, or 37 channels) running through its length, maximizing filtration area in a compact form.

☆ Structure (Layer by Layer)

The tubular element has a asymmetric multi-layer structure:

The SiC active membrane layer is sintered or coated onto the inner channel walls, so filtration occurs from the inside-out — feed flows through the channels, and permeate passes radially outward through the membrane wall.

☆ Key Advantages of the SiC Tubular Element

① Exceptional Chemical Resistance SiC is inert to strong acids, alkalis, and organic solvents across a wide pH range (pH 0–14), making it suitable for aggressive industrial environments.

② Outstanding Mechanical Strength High hardness and rigidity allow operation under high transmembrane pressures without deformation or cracking.

③ Thermal Stability Can operate continuously at temperatures up to 800°C+, far exceeding polymer membranes and even most other ceramics.

④ Hydrophilic Surface SiC naturally has a hydrophilic surface, which reduces fouling tendency and makes cleaning (CIP/CEB) more effective — a major operational advantage.

⑤ Long Service Life Ceramic elements typically last 10+ years, significantly longer than polymeric hollow fiber or flat sheet membranes.

⑥ High Flux Performance The smooth, low-friction SiC channel surface allows high permeate flux with lower energy consumption compared to alumina or zirconia ceramics.

⑦ Backwashable Unlike polymeric membranes, SiC tubular elements can withstand vigorous backwashing to restore permeability, reducing downtime.

☆ Typical Applications

☆ JMFiltec tubular membrane element

1. Sector		2. Round one

☆ JMFiltec tubular module, we also call them column module

☆ JMFiltec tubular module vessel material

You can choose according to using environment

In summary, the SiC tubular element is the core functional unit of the module — its multi-layer asymmetric structure, combined with SiC's unique material properties, delivers superior filtration performance, durability, and chemical resilience compared to conventional membrane materials.