Ressourcen aus Abfall

作者: Franz-Georg Simon , Christian Adam

DOI: 10.1002/CITE.201100189

关键词: Pulp and paper industryChemistryBottom ashPhosphorus

摘要: Die Beseitigung unbehandelter Abfalle auf Deponien gehort der Vergangenheit an, nicht nur weil Verordnungen diese Praxis verbieten, sondern auch, wegen steigender Preise fur Rohstoffe und sinkender Gehalte in Erzen auch Abfallen nach Alternativen gesucht wird. In den Aschen aus Hausmullverbrennungsanlagen konnen mit einfachen Verfahren Metalle zuruckgewonnen werden. Mit dem Phosphor Klarschlammaschen Dungemittel hergestellt so naturliche Ressourcen geschont beiden Fallen ist die Anreicherung Wertstoffe durch Verbrennungsprozess vorteilhaft, da Effizienz von Recyclingprozessen stark Konzentration im Ausgangsgut abhangig ist. Disposal of untreated waste has come to end due new legislation this field. Furthermore as a response increasing prices for primary raw materials and decreasing ore concentrations products from treatment display source secondary materials. Elemental metals can be easily separated municipal solid incineration bottom ash. Fertilizers produced using phosphate sewage sludge ashes thus preserving natural resources. both cases the enrichment taking place process facilitates resource recovery, because efficiency recycling processes is dependent on concentration input material.

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