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 ...

Mar 09, 2010
4.3 / 5 (4) 1

Mountaintop sensor finds high methane over LA

A study using two years of observations from a novel mountaintop instrument finds that Los Angeles' annual emissions of methane, an important greenhouse gas, are 18 to 61 percent higher than widely used estimates.

Jan 15, 2015
3.8 / 5 (4) 1

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 ...

Aug 03, 2012
3.7 / 5 (3) 1