Sludge is a by-product of water treatment. Sludge is produced during the clarification and filtration process in the water treatment system. It is also produced from the accumulated solids removed ...

Stormwater – the word brings a shudder to most scrap processors who have been trying for several years to comply with regulations regarding runoff. According to the U.S. Environmental Protection ...

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 ...

Exclusive: Experts call for stricter regulation as current rules set in 1989 require testing for only a few heavy metals Millions of tonnes of treated sewage sludge is spread on farmland across the UK ...