For the Elgin Water Department, taking lime away is a $1.89 million annual proposition. Last week, the City Council unanimously agreed to pay that amount for removing lime residuals, which are a ...

Phosphate release and phosphate fixation during sludge treatment of waste activated sludge (WAS) was investigated with a pilot plant for enhanced biological phosphorus removal (EBPR), complemented by ...

An innovative technique has been proposed for treating and purifying wastewater, which could spare budget-strapped municipalities some of the expense of handling the sludge that remains after ...

The chelating agent trisodium nitrilotriacetate (NTA) can be used effectively in combination with polyphosphates in the formulation of heavy-duty detergents. Laboratory investigations have shown that ...

ENGLEWOOD, Colo. (CBS4) - Low level radioactive sludge is being removed from a water treatment plant in Englewood, following a CBS4 investigation. Some workers believe the sludge at the Charles Allen ...

NORTH ADAMS — In the wake of a negative public response and changes in regulations, the Hoosac Water Quality District announced it would not be composting sludge for other communities after all.

How advanced post-treatment systems can significantly cut sludge production, lower operational costs and reduce greenhouse gas emissions, transforming wastewater management ...

For seven years, employees and supervisors at the Pittsburgh Water and Sewer Authority dumped sludge into the Allegheny River from the Aspinwall treatment facility, violating the Clean Water Act and ...

Using more sludge and less slag in their recipe, researchers were able to create a material that's stronger than even today's enhanced cements and highly resistant to corrosion by acid. It could solve ...

The U.K. tested a new nuclear sludge removal facility, which can solve its nuclear waste problems. View taken on 28 November 2005 of a sign informing of the radioactivity of packages transported in a ...