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These hybrid membrane modules offer many advantages

| By Chemical Engineering

WTA Vogtland

WTA Vogtland

The new Submerged Membrane Module, dubbed H2L (photo), is this company’s second-generation submerged membrane module for filtration applications in water and wastewater-treatment applications. H2L combines the advantages of two existing submerged module concepts, such as back-washability and high-packing density (hollow fibers), easy pre-treatment and good hydraulic behavior (flat-sheet). In addition, the multi-layer design of the membrane pockets, called Safe Guard Technology, ensures a safe rejection of bacteria and solids, even if the membrane layer suffers damage. The product is especially suitable for limited tank height and areas. The design concept of H2L is modularly built from the so-called USBs (Ultrafiltration Single Blocks), which are available in different sizes. Based on this concept, H2L is available in 64 different standard sizes ranging from 20 to 500 m2 of membrane surface area. — WTA Vogtland GmbH, Plauen, Germany