Source: QUA Group LLC

Las Vegas, March 5, 2012 -- QUA®, a leading-edge developer of advanced membrane productsfor water and wastewater treatment applications, will showcase two high performance membraneproducts – FEDI® Fractional Electrodionization and Q-SEP® Hollow Fiber UltrafiltrationModules – at Booth # 1150 at WQA Aquatech USA 2012.

Headquartered in the USA, QUA develops, manufactures and markets its products to leading OEMs around the world. It brings to the market deep roots in R&D, financial strength and theexpertise of staff that is highly experienced in water treatment technologies. In addition to its USoperations, the company also has facilities in Europe and India.

Committed to ongoing innovation, QUA manages the entire lifecycle and manufacturing chain of itsproducts from the initial concept to manufacturing according to the most rigorous quality standards.QUA’s products are manufactured in an in-house, state-of-the-art membrane manufacturing facilitywith continuous monitoring to maintain consistent quality. QUA products are sold and servicedthrough a global network of qualified equipment manufacturers.

QUA recently received NSF/ANSI 61 Certification by NSF International, Ann Arbor, MI, USA, forthe manufacture of its Q-SEP® range of Hollow Fiber Ultrafiltration (UF) Modules. NSF/ANSIStandard 61 certification is for Drinking Water System Components – Health Effects, therecognized health effects standard for all devices, components and materials that contact drinkingwater.“QUA is committed to ongoing innovation in water treatment technologies, exceptional productperformance and the highest quality standards in all aspects of our organization. We bring aconsultative approach to help clients find the best solution for their needs. This is in line with ourgoal to create long term relationships with our customers and strategic partners around the world,”said Jim Dobos, Vice President, North American Operations.

FEDI® Fractional Electrodionization

With patented dual voltage technology, QUA’s FEDI (Fractional Electrodionization) technology isthe next generation EDI technology for production of high purity water. Developed taking intoaccount the limitations of conventional EDI, FEDI improves the reliability of EDI for the productionof high purity water for power and semiconductor applications. Unlike conventional EDI, FEDI stacks are able to tolerate hardness in the feed water. As a result, FEDI can be used after singlepass RO without the need for softening, or second pass RO, on most feed waters.

Each FEDI stack is equipped with two sets of electrodes. FEDI’s dual voltage technology allows fora higher flexibility to inlet water conditions, thus lowering the risk of scaling and improving reliability.Hardness and the majority of the other ions are removed in the bottom of the stack at low currentdensity and low scaling conditions, while the final product water polishing takes place in the top ofthe stack at high current density.

Q-SEP® Hollow Fiber Ultrafiltration Modules

Q-SEP Hollow Fiber Ultrafiltration (UF) modules contain UF membranes manufactured with QUA’sinnovative “Cloud Point Precipitation” method. This process ensures a high pore density along thelength of the fiber and uniform pore size distribution in the membrane. Q-SEP modules deliversuperior performance characteristics and product water quality that surpass the quality fromconventional UF modules, with low silt density index (SDI) and excellent rejection of bacteria andviruses.

Q-SEP UF modules are made from a hydrophilic polyether sulfone (PES) material that provideshigh fiber strength and excellent low fouling characteristics resulting in higher productivity. Thesehollow fiber membranes operate under low transmembrane pressure in an inside-out flowconfiguration for superior performance. Applications of Q-SEP UF include pretreatment to reverseosmosis (RO) systems (brackish and seawater applications), purification of surface and well waterfor potable applications, filtration of industrial water, and wastewater recycle and reuse.

About QUA

QUA (www.quagroup.com) develops, manufactures and markets advanced membrane products totreat challenging waters. Headquartered in the USA, the company also operates facilities in Europeand India. The company is committed to ongoing innovation, leveraging its deep roots in R&D andthe expertise of staff that is highly experienced in water treatment technologies. QUA manages theentire lifecycle and manufacturing chain of its products from the initial concept to manufacturingaccording to the most rigorous quality standards. QUA products are sold and serviced through aglobal network of qualified equipment manufacturers.

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