Tag: coffee

    Students in Oman produce coal from coffee residue
    16 May 2021

    A group of Muscat students have managed to produce quantities of charcoal made from coffee residue. Used coffee grounds are usually incinerated or sent to landfill – and in landfill, rotting coffee grounds generate methane, a greenhouse gas around 34 times more potent than carbon dioxide. Is there a better way to recycle coffee grounds? […]