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Tissue and packaging materials manufacturer SCA Hygiene Products, has commissioned Veolia Water Systems (VWS) to build an anaerobic wastewater treatment plant at its Austrian SCA site in Ortmann.

At this production site, toilet paper, serviettes and pocket tissues of brands such as Zewa, Cosy and Tork are produced from pulp and recycled paper.

The order for the anaerobic water treatment went to VWS subsidiary Veolia Water Systems Austria, which is building the plant in close cooperation with the wastewater specialists of Aquantis in Germany, which is also a VWS company.

Aquantis is essentially handling the overall planning of the anaerobic stage according to the BIOBED EGSB system.

The plant is designed for a maximum CSB load of 16,000kg/d and a wastewater quantity of up to 8,000 m/d.

The commissioned 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 core of the planned plant is an 850 m3 BIOBED reactor in which the anaerobic pre-treatment is carried out.

The energy-rich biogas created by the process, after cleaning and drying, will be fed with the aid of a compressor to the works gas turbine to generate its own electricity and steam.

The Ortmann works of SCA is located in the Piesting Valley in Lower Austria.

The SCA production site is a member of the Wastewater Association of the Upper Piesting Valley and the largest discharger into the local sewage plant.

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