METHOD FOR THE TREATMENT OF ASHES CONTAINING PHOSPHATE FROM WASTE INCINERATION PLANTS THROUGH WET-CHEMICAL DECOMPOSITION FOR THE RECOVERY OF ALUMINIUM, CALCIUM, PHOSPHORUS AND NITROGEN COMPOUNDS

摘要

The invention relates to a process for the treatment of phosphate-containing wastes, in particular phosphate-containing ashes from waste incineration plants, by wet-chemical digestion to obtain aluminum, calcium, phosphorus and nitrogen compounds.