July 14, 2011
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Water & Wastewater Newsletter July 14, 2011 |
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| This Week´s Featured News Stories |
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`Super` sand could improve water filtration
Ordinary sand, such as that from beaches, could be used to filter dirty water using a nanotech-based technique developed by researchers. Sand, which retains bugs and chemicals in water flowing through it, has been used as a cheap water filtration method for hundreds of years. Coarse sand filters water faster than finer sand, but produces water that is less clean. Now, a team of scientists in Australia and the United States has come up with a way to coat ordinary coarse sand with a nanomaterial ... | ||
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US breakthrough for Cambi: The world largest Cambi THP to be built in Washington DC
Cambi has signed the contract to build the largest Cambi Thermal Hydrolysis Process plant to date at the District of Columbia Sewer & Water Authority’s (DC Water) Blue Plains Advanced Wastewater Treatment Plant in Washington DC. The Cambi process will produce biogas and high quality Class A biosolids fertilizer product, all to be built over a minimum area, saving on both investment and operational costs compared to conventional digestion. The biogas will produce green electricity for the plant; reducing its carbon footprint significantly. ”This is the single largest ... | ||
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