Alumina ceramic membranes are high-performance porous filtration materials manufactured by high-temperature sintering. Their asymmetric structure consists of a porous support layer, a transition layer, and a microporous separation layer, offering superior mechanical strength, chemical resistance, and long service life. Operating in crossflow filtration mode, tubular ceramic membranes efficiently separate suspended solids, colloids, macromolecules, and microorganisms from liquids, enabling high-efficiency filtration, purification, concentration, and resource recovery. With pore sizes ranging from microfiltration to ultrafiltration (≥2 nm), they are widely applied in industrial wastewater treatment, food and beverage processing, pharmaceuticals, biotechnology, chemicals, mining, and water recycling.
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