The University of Twente is helping the paper industry to convert paper sludge -- the largest waste stream from paper factories -- into bio-oils and raw materials suitable for re-use. At the end of ...

We live in a world in which the generation and accumulation of trash is commonplace. Yet it’s clear that taking, making, using and discarding is an unsustainable economic strategy. This pattern ...

In today's search for renewable energy sources, researchers are turning to the hi-tech, from solar and hydrogen fuel cells, and the very low-tech. The latest example of a low-tech alternative comes ...

"Fly ash" is pretty much what it sounds like: fine airborne particles of ash. It's generated in large quantities during the manufacture of paper and cardboard, along with a lot of sludge. Although a ...

Lime sludge (mud) waste from a paper mill at Jagiroad, Assam (Hindustan Paper Corporation Limited) can be used as a cheaper alternative source of liming for management of acidic water in the fish ...

LANSING — The state of Michigan sued a paper manufacturer over environmental contamination, alleging that a mill in Port Huron sent sludge to a nearby composting facility for years despite knowing it ...