SPIE, C-Green to convert sewage sludge into biofuel

SPIE Netherlands and C-Green are collaborating on the first Dutch modular plant to convert sewage sludge into biofuel. The innovative system – developed by C-Green – converts wet biomass (sludge) into the dry product hydrochar in an energy-efficient manner. During the production process, five kilos of sludge are converted into one kilo of hydrochar. This