Three next generation MBR projects in Belgium, China

Koch Membrane Systems Inc. (KMS), a developer and manufacturer of membranes and membrane filtration systems, will provide PURON submerged membrane modules to Waterleau, a Belgium-based company specializing in water, air/waste treatment, and energy recovery applications. The PURON modules will process municipal and industrial wastewater for three of Waterleau's customers located in Belgium and China. The Waterleau project in China represents the first large-scale municipal deployment...

• Belgium environmental company Waterleau selects PURON™ submerged MBR membranes

WILMINGTON, MA, Nov. 29, 2007 -- Koch Membrane Systems Inc. (KMS), a world-class developer and manufacturer of innovative membranes and membrane filtration systems will provide PURON™ submerged membrane modules to Waterleau, a Belgium-based company specializing in water, air and waste treatment, and energy recovery applications. The PURON modules will process municipal and industrial wastewater for three of Waterleau's customers located in Belgium and China.

The Waterleau project in China represents that country's first large-scale municipal deployment of PURON technology. PURON modules will process 317,000 GPD (12000 m³/d) of municipal wastewater containing a considerable volume of industrial wastewater from nearby textile works. The MBR process was chosen over a sequential batch reactor (SBR) to achieve a very high quality effluent.

The two Belgium plants operate in sites that produce sustainable energy sources. One of the projects is for an industrial customer that will produce biodiesel from soy and rapeseed oil. Waterleau proposed its ATLANTIS® MBR technology, which uses PURON modules, to upgrade an existing wastewater treatment plant to the expected future load without having to modify existing civil structures. The PURON modules will process a flow up to 190,000 GPD (720 m³/d), increasing plant capacity to 1.8 tons COD/d.

The other Belgium plant is a waste-to-energy facility where potato and vegetable waste is converted into energy by biological fermentation. The wet fraction is polished by an ATLANTIS® MBR wastewater treatment system, again using PURON modules. The plant will be operational early next year with a capacity to produce 1.6 MW of electrical power. The dry fraction will be further dried to approximately 95% solids and will be refined into high quality fertilizer granules.

The PURON technology is a second generation MBR system that employs hollow fibers in a very compact design. Unlike the "double header" configuration of first generation hollow fiber MBR systems that encase the hollow fibers at the top and the bottom, the PURON system has no top header that can trap hair and other debris and cause clogging of the fibers. Instead the upper ends of the PURON hollow fiber membranes move freely, with a seaweed-like action.

Operating from its headquarters near Brussels, Waterleau has a complete portfolio of water, air and waste treatment and energy recovery applications.

Koch Membrane Systems Inc. has been a global leader in separation and filtration products for more than 35 years.

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