Waste is everywhere. All the cities in the world invariably produce sewage sludge — the thick, organic mess left over from ...

Fonseca admitted that green waste can be combined with manure, crop residues and food waste to create compost — not just sludge. He said using the dried sludge from the new project would not ...

Doctors Without Borders/Médecins Sans Frontières (MSF) constructed a faecal sludge treatment site in Aboutengue camp, Chad, ...

It is then reportedly dehydrated and dried to recover the phosphorus as calcium phosphate. The recovery is part of Tokyo's effort to transform a large portion of the sewage sludge generated in ...

The ash that is left can be used as a raw material to make cement. In addition, sludge can be dried out for reuse, among other things, as solid fuel. In the past, sewage sludge seldom featured as ...