Agroscope, Institute for Plant Production Sciences IPS, 1260 Nyon, Switzerland

Swiss sewage sludge quality has improved

Candinas T., Chassot G.M., Besson J.-M.

145-148, 1999

01.04.99

The sewage sludge quality is intensively monitored since 20 years in Switzerland. The nutrient content did not change much. However, nutrient loads increased with increasing sewage sludge production. The content of heavy metals decreased considerably. For most metals the load decreased too. The knowledge about content and loads of organic pollutants is still inadequate.

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Swiss sewage sludge quality has improved

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Swiss sewage sludge quality has improved

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