Researchers in Denmark have developed a chemical process that converts toxic arsenic waste into a usable metallic material ...

Researchers have developed a simplified, sustainable method of converting sewage sludge from wastewater treatment into high-value activated carbon that can be used in a wide range of industrial and ...

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 ...