Orege is an international cleantech firm that has delivered award winning proprietary technologies and solutions for the conditioning, treatment and reuse of sludge for over ten years. With bases in France, the US, the UK and Germany, Orege, an Eren Group subsidiary, supports its clients in a dozen countries around the world.

In June 2020, Alfa Laval and Orege signed a partnership agreement allowing Alfa Laval to become the only belt press OEM (Original Equipment Manufacturer) to offer the Orege SLG sludge conditioning system with greenfield and brownfield projects, in addition to belt filter press and gravity belt thickener rebuilds managed by Alfa Laval.