GE’s New LEAPprimary Technology Reduces the Energy Consumption and Increases the Reliability of MBR Technology

Published on October 13, 2013 18:26 by Water Network Research, Official research team of The Water Network in Business

GE introduced LEAPprimary, an innovative primary treatment technology for use with GE's ZeeWeed membrane bioreactor (MBR)and LEAPmbr* systems. LEAPprimary significantly reduces overall energy usage, costs and physical space requirements by combining separation, thickening and dewatering of primary wastewater solids into one compact, high-performance unit. It replaces conventional clarification and fine screening in a typical MBR plant.

LEAPprimary offers high removal of total suspended solids (50-70 percent) and biochemical oxygen demand (25-40 percent), and the removed solids can be dewatered to 20-30 percent dry matter, minimizing handling costs. Energy usage for biological treatment is reduced because solids and organic material are removed prior to secondary biological treatment. The dewatered residual product also enables energy recovery, as it is rich in organics and can be used in anaerobic digestion, incineration or other processes that convert the organics in wastewater to energy.

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