Ragn-Sells and C-Green collaborate on circular sludge management
The Swedish clean-tech company C-Green and the environmental company Ragn-Sells, one of Sweden's largest sludge handlers, have signed a cooperation agreement with the goal of establishing 8–10 C-Green biorefineries in the coming years. The first facility will be located outside Norrköping and become operational in 2023, a project that is partly financed by the Swedish Energy Agency with about SEK 40 million. Today, about one third of Sweden's sewage sludge is spread on arable land, to recover the vital phosphorus and nitrogen found in the sludge. To recover the phosphorus