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AAEES celebrates 100 years of the activated sludge process with a special issue of Environmental Engineer and Scientist. Featuring articles by Daniel W. Schneider, Alonzo W. Lawrence, Andrew C. Middleton, Ross E. McKinney, Richard I. Dick, Glen T. Daigger, James L. Barnard, George Tchobanoglous, H. David Stensel, and the original Ardern and Lockett article.
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Posted: September 29, 2014
Date: September 23, 2014
Source: University of Alberta
Cleaning up oil sands tailings has just gotten a lot greener thanks to a novel technique developed by University of Alberta civil engineering professors that uses solar energy to accelerate tailings pond reclamation efforts by industry.
Instead of using UV lamps as a light source to treat oil sands process affected water (OSPW) retained in tailings ponds, professors Mohamed Gamal El-Din and James Bolton have found that using the sunlight as a renewable energy source treats the wastewater just as efficiently but at a much lower cost.
"We know it works, so now the challenge is to transfer it into the field," says Gamal El-Din, who also worked on the project with graduate students Zengquan Shu, Chao Li, post doctorate fellow Arvinder Singh and biological sciences professor Miodrag Belosevic.
"This alternative process not only addresses the need for managing these tailings ponds, but it may further be applied to treat municipal wastewater as well. Being a solar-driven process, the cost would be minimal compared to what's being used in the field now...click here to continue.
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