Together with a number of stakeholders, The Paper Province recently conducted a feasibility study on how mircoalgae could be used to make bio fuel from mill residues.The idea is that algae use nutrients in the mills' warm wastewater and bind carbon dioxide from waste gas. Algae could be used to produce bio-fuel, bio-oil or bio-gas. The new process will reduce eutrophication and carbon dioxide emissions and create new revenue streams for mills.”This is a very exciting project that ties together a range of stakeholders. The project will hopefully contribute to increased profitability for the mills, says Magnus Persson, head of The Paper Province's center for energy efficiency, Energy Square.Now pilot studies, starting the fall this year, are to be done at Nordic Paper Bäckhammar, a mill producing around 200,000 tons of unbleached pulp and 130,000 tons of unbleached kraft paper a year.The project is supported by Vinnova, the Swedish Governmental Agency for Innovation Systems.