The order went to Veolia Water Solutions & Technologies (VWS). The VWS subsidiary Veolia Water Systems Austria is building the plant in close cooperation with the wastewater specialists of Aquantis in Germany, Tissue News reports.The anaerobic wastewater treatment is due to go into operation in August this year and will significantly ease the workload of the existing aerobic wastewater treatment plant. The energy-rich biogas arising from the process will after cleaning and drying be fed with the aid of a compressor to the works gas turbine to generate its own electricity and steam.SCA Ortmann makes brands such as Zewa, Cosy and Tork from virgin and recycled fiber.