Energy from Wastewater

New GE Membrane System Captures Energy from Wastewater

GE Power & Waterintroduced the latest in membrane-based wastewater treatment technology last week. It combines anaerobic digestion technology with the ZeeWeed™ 500 membranes to create anaerobic membrane bioreactor (AnMBR). As industrial customers seek greater water reuse, while facing more stringent discharge limits, AnMBR offers lower costs, better performance and the ability to generate renewable energy from industrial wastewater.

GE's new technology is an ideal solution for industrial wastewater with high biochemical oxygen demand and chemical oxygen demand concentrations that result in higher aerobic treatment operational expenses. GE's AnMBR provides reduced energy consumption, energy recovery, and reduced sludge production both economically and reliably.

Anaerobic digestion is a biological process in which micro-organisms break down biodegradable material in the absence of oxygen. One of the end products is biogas, which can be combusted to generate electricity and heat. Advantages of anaerobic treatment include energy savings by not requiring oxygen, reduced sludge production and reduced footprint. However, the traditional anaerobic processes have disadvantages such as lesser effluent quality, process sensitivity, slow biomass growth rate, difficulty retaining methanogens and long time or difficult-to-settle sludge.

Source: Canadian Mining Journal

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Taxonomy

• Treatment
• Sludge Separation
• Purification
• Filtration