News tagged with wastewater treatment plants

Sources of pollution in waterways

Polycyclic aromatic hydrocarbons (PAHs) are components of petroleum products such as gasoline, coal, and oil. They are also produced as by-products of the combustion of fuels including petroleum and fire wood. PAHs can cause ...

dateMar 09, 2010 in Environment
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New methods for better purification of wastewater

Before wastewater reaches recipient waters, nutrients must be removed in order to avoid eutrophication and large algal blooms, which may result in serious damage to animal and plant life. Robert Almstrand at the University ...

dateMar 05, 2012 in Environment
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Using wastewater as fertilizer

Sewage sludge, wastewater and liquid manure are valuable sources of fertilizer for food production. Fraunhofer researchers have now developed a chemical-free, eco-friendly process that enables the recovered salts to be converted ...

dateAug 03, 2012 in Engineering
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Efficient operation of wastewater treatment plants

The German Federal Environmental Foundation (Deutsche Bundesstiftung Umwelt) announces the launch of a groundbreaking project for which the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) is developing sophisticated measuring ...

dateApr 08, 2014 in Engineering
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Pharmaceuticals and the water-fish-osprey food web

Ospreys do not carry significant amounts of human pharmaceutical chemicals, despite widespread occurrence of these chemicals in water, a recent U.S. Geological Survey (USGS) and Baylor University study finds. These research ...

dateOct 20, 2014 in Environment
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Wastewater treatment lowers pathogen levels

A recent study by a team of researchers at the University of Arizona has tracked the incident of pathogens in biosolids over a 19 year period in one major U.S. city. In the same study, the researchers also analyzed pathogen ...

dateJan 03, 2011 in Environment
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