Praxis und Wissen

Praxis und Wissen However, Sepro’s FSTP (Fine Slag z Metal recoveries are 20–50 % high- Treatment Plant) module can now add er compared to conventional dry a precious metals dimension. Fine IBA processes Precious Metals Recovery from contains gold (0.3–1 ppm), silver (5– z Metal concentrates can directly be Fine Incinerator Bottom Ash 20 ppm) as well as platinum group sold to smelters or upgraded fur- metals (in minor amounts). With to- ther Incinerator Bottom Ash (IBA) is the res- day’s First World throw-away socie- z Washed IBA residues can be used idue of municipal and industrial waste ties, increasing amounts of precious as construction aggregates in ac- incineration whereby energy is pro- metals are found in fine IBA, tracing cordance with local regulations, duced in the form of heat or electrici- back mainly to electronics and jewel- leachable contaminants have been ty and from which valuable metals can ry. (Fig. 1) isolated be extracted for re-use. IBA consists Today’s technology for coarse IBA z Compact and modular plant design mainly of inorganic (mineral or glassy) (+2 mm or coarser) treatment is di- for indoor or outdoor operation matter, organic (unburnt) matter and verse: While conventional dry pro- z Straightforward adaptation of BHM Berg- und H�ttenm_nnische Monatshefte Springer Journals

Praxis und Wissen

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Earth Sciences; Mineral Resources
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