electric wastewater treatment Articles
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Sewage sludge treatment: evaluation of the energy potential and methane emissions with COD balancing
Sewage sludge is an important resource for the generation of electricity and heat within a wastewater treatment plant (WWTP). Taking a holistic approach to such use involves considering the greenhouse gas emissions. In particular, for anaerobic sludge treatment, methane emissions are a matter of concern. Therefore, the utilization of a carbon balance, based on the chemical oxygen demand ...
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EPA`s mandatory GHG emissions reporting commences Jan 1st in US
The Envinronmental Protection Agency (EPA) has announced its new mandatory GHG reporting program will commence on January 1st 2010 with reports being due in 2011. The new mandatory GHG rule from the EPA brings some changes from the originally proposed rule. Some of the changes are outlined below. INDUSTRIES INCLUDEDExcluded from reporting are the following industries: Electronics manufacturing ...
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Overcoming Onsite Reuse Woes
The buzz words “water reuse” are very pervasive in today’s culture. Everyday we receive newspapers, e-newsletters and conference announcements that speak of drought, water shortages, global warming, discharge prohibitions and conservation. The wastewater treatment plant at one Midwest municipality has proactively demonstrated its determination to do its conservation duty by reusing up to 2000 ...
By Orival, Inc.
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How new technologies are shrinking wastewater’s hefty carbon footprint
Wastewater treatment plants are energy hogs. A 2013 study by the Electric Power Research Institute and Water Research Foundation reported that they consumed about 30 billion kilowatt-hours of electricity per year, or about 0.8 percent of the total electricity used in the United States. Wastewater treatment’s high energy footprint is ironic because the organic matter in wastewater contains ...
By Ensia
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