VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
  • Characterization of residues resulting from the Thermal treatment of sewage sludge, and their possible utilization in the production of green concrete [Elektronski vir]
    Mislej, Vesna ...
    Dried dehydrated anaerobic digested sewage sludge in the form of pellets, which is produced during the biological treatment of wastewater at the CentralWastewater Treatment Plant in Ljubljana, has ... been classified as a non-hazardous waste (Table 1) in accordance with the Regulation on Waste (Decree 2011, Annex 1). These pellets are suitable for energy utilization (Mislej and Novosel, 2014; Table 2; Table 3) due to their low moisture contentwith a maximum of 10 wt. % and relatively high content of organic carbon compounds of about 52 wt. %. In Slovenia, pelletized sewage sludge is currently processed according to procedure R1 (Decree 2011, Annex 2; Directive2008, Annex II) in a waste combustion facility, which is part of a cement production plant. In addition to energy recovery, pellets can be utilized as a material resource (Mislej et al., 2012). After thermal treatmentat cement kiln, no residue for which appropriate final processing might be needed remains. In order to implement energy selfsufficient operationon the site of the WWTP, new technological solutions which could enable final treatment of the pellets are being sought for and introduced; onesuch option is the monoincineration of pellets on the site. The energy thatis released during oxidizing thermal treatment (incineration) can be used at the location where the sludge is produced, thus reducing the operational dependency of the WWTP on external energy sources. However, in such monoincineration, some ash (about 30 wt. %) is produced which must be disposedof...
    Vir: Water and Energy 2015 [Elektronski vir] : opportunities for energy and resource recovery in the changing world, June 7 - 10, 2015, Washington (Str. 1-6)
    Vrsta gradiva - prispevek na konferenci ; neleposlovje za odrasle
    Leto - 2015
    Jezik - angleški
    COBISS.SI-ID - 2148967

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