Thermochemical treatment of sewage sludge ashes for phosphorus recovery.

  title={Thermochemical treatment of sewage sludge ashes for phosphorus recovery.},
  author={Christian Adam and Burkhard Peplinski and Matthias Michaelis and Gerd Kley and Franz-Georg Simon},
  journal={Waste management},
  volume={29 3},
Phosphorus (P) is an essential element for all living organisms and cannot be replaced. Municipal sewage sludge is a carrier of phosphorus, but also contains organic pollutants and heavy metals. A two-step thermal treatment is suggested, including mono-incineration of sewage sludge and subsequent thermochemical treatment of the ashes. Organic pollutants are completely destroyed by mono-incineration. The resulting sewage sludge ashes contain P, but also heavy metals. P in the ashes exhibits low… CONTINUE READING

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