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Sewage sludge management

Due to the limited number of disposal sites and limits required by the management of only mechanically drained sewage sludge will become both more difficult and more expensive. Therefore, it is to be expected that a reduction of mass/volume of sewage sludge before depositing will be demanded in the future. Extensive discussions about organic and inorganic toxic agents in the sewage sludge have led to a declining acceptance of dry sludge in the agriculture. Some European countries have introduced stringent national legislations which prohibit usage of sludge in agriculture. In order to decrease area used for landfilling, sludge drying can be used, which require considerable amounts of energy. Another alternative to landfill disposal is incineration, i.e. high temperature combustion of waste.

Advantages of pyrolysis for final treatment of dewatered sludge

  • Decreasing of initail volume of dewatered sludge
  • Waste-to-energy application
  • Solid biofuel production with properties similar to brown coal
  • Phosphorus recovery from biosolids







  • More on industrial pyrolysis and turnkey pyrolysis project execution on our websites

    splainex.com         pyrolysis.biz