Chemical state of mercury and selenium in sewage sludge ash based P-fertilizers.

@article{Vogel2016ChemicalSO,
  title={Chemical state of mercury and selenium in sewage sludge ash based P-fertilizers.},
  author={Christian Vogel and Oliver Kr{\"u}ger and Hannes Herzel and Lucia Amidani and Christian Adam},
  journal={Journal of hazardous materials},
  year={2016},
  volume={313},
  pages={179-84}
}
Phosphorus-fertilizers from secondary resources such as sewage sludge ash (SSA) will become more important in the future as they could substitute conventional fertilizers based on the nonrenewable resource phosphate rock. Thermochemical approaches were developed which remove heavy metals from SSA prior to its fertilizer application on farmlands. We analyzed the chemical state of mercury and selenium in SSA before and after thermochemical treatment under different conditions for P-fertilizer… CONTINUE READING

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