Abstract
The fate of main heavy metals in municipal sewage sludge (As, Cd, Co, Cr, Cu, Hg, Mo, Ni, Pb, and Zn) was investigated using a fluidized-bed reactor. The behaviour of metals in the incinerator was explored by comparing metal contents in the two main ash streams: bottom (in-bed) ash and ash separated by a cyclone (cyclone-catch ash). All metals showed enrichment in the cyclone ash. The ash originating from sewage sludge is thermally quite stable consisting of quartz, hematite, spar(s), mica(s), apatite, and anhydrite. It does not soften nor becomes sticky and does not tend to agglomerate at temperatures up to 950°C.
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© 2007 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
- A review of methods for synthesis of nanostructured metals with emphasis on iron compounds
- Effect of selenium oxidation state on cadmium translocation in chamomile plants
- Optimization of ammonium nitrate concentration in single-stage continuous cultures of Aspergillus niger with biomass retention
- Behaviour of inorganic constituents of municipal sewage sludge during fluidized-bed combustion
- Profile distribution of As(III) and As(V) species in soil and groundwater in Bozanta area
- Structure of cyano-bridged Eu(III)—Co(III) bimetallic assembly and its application to photophysical verification of photomagnetic phenomenon
- Synthesis and characterization of oligo-4-[(pyridin-3-ylimino)methyl]phenol
- Relationship between physicochemical properties, lipophilicity parameters, and local anesthetic activity of dibasic esters of phenylcarbamic acid
- Improved DPPH determination for antioxidant activity spectrophotometric assay
- Notes on notation of sodium oxofluoroaluminate anions
- Determination of the enthalpy of fusion of Na3FeF6
- Controlled solvothermal synthesis of PbS quasi-nanorods by calix[4]arene
- Palladium-catalyzed heck and suzuki coupling in glycerol
- Synthesis of new condensed and cyclized coumarin derivatives
- M. Hartman, O. Trnka, and M. Pohořelý: Fluidization behavior of oil-contaminated sand