Residuals Management
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Residuals Management

Sewage sludge is a by-product generated in sewage treatment plants. It contains both organic and mineral constituents and has a quantitatively significant nitrogen and phosphorus content, which in the past has led to sewage sludge in a stabilized form being used as a fertilizer. Because of the presence of a heavy-metal and micro-organic content, use in agriculture is permissible to only a very limited extent. A disposal option for sewage sludges is the expensive heat-recovery incineration.

In accordance with the major opinion of environmental experts we consider conventional waste water treatment technologies with a huge production of sewage sludge as antiquated. Sustainable solutions must be intelligent and customized. A huge number of these sustainable technologies for the reduction of surplus sludge are already available today.