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Oxy-Dep SD, an ASD process enhanced by the use of high purity oxygen, allows the following:

• partial disinfection and pathogen kill by operation at thermophilic temperatures (45-65°C)
• the production of a stable sludge with excellent dewatering properties
• much reduced digester retention times (and so smaller digester volumes) compared with conventional aerated ASD or anaerobic digestion
• good process control to reduce odours, VOCs and foam.

The process is used widely in municipal and industrial sludge applications.

Aerobic / anaerobic Aerobic digestion
Suitability Industrial sludge
Municipal sludge

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Sludge digestion from all companies

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Sludge digestion, all companies