Removing heavy metals from phosphate-containing clear sludge ash to produce fertilizer material by adding environmentally compatible metal chlorides

Separating environmentally relevant heavy metals from phosphate containing clear sludge ash involves (1) mixing the ash with environmentally compatible metal chlorides; (2) heating the mixture to above the boiling point of the obtained environmentally relevant heavy metal chlorides, and (3) separate...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BRENNEIS, RUDOLF, KOECHER, PETER, KLEY, GERD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS NITROGENOUS FERTILISERS
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