1,720,984 research outputs found
Trattamento di terreni contaminati da idrocarburi mediante biopile. Monitoraggio di un impianto alla scala reale: una ricerca sulla piattaforma che tratta terreni contaminati da idrocarburi petroliferi
No full textRanking sewage sludge management strategies by means of Decision Support Systems: A case study
No full textEffectiveness in chlorite removal by two activated carbons under different working conditions: a laboratory study
No full textActivated carbon is used in many drinking water facilities because it can remove a broad spectrum of
contaminants (e.g., herbicides, pesticides, heavy metals, etc.) or to replace anthracite coal in dual
media filters. In recent years, liquid chlorine has been substituted by chlorine dioxide (ClO2) because,
for instance, it can remove natural organic matter in raw water without formation of harmful
disinfection by-products. Interest in chlorine dioxide is due to formation of chlorite (ClO
2 ), which can
be potentially toxic for humans. In this study, the authors investigated the applicability of two
activated carbons coming from different matrices (coconuts and bituminous) as technology for
chlorite removal. The activated carbons were tested at different conditions (virgin and pre-loaded
with some substances) in order to simulate full-scale working situations, and their Freundlich
isotherms were determined. The results show a good affinity of virgin carbons in chlorite removal
(about 80%), but the pre-loading significantly affected the efficiency of the chlorite removal process,
reducing it to only 19%. An investigation into the main removal mechanism used by the carbons for
chlorite removal was also done. Results show that activated carbons used both reduction and
adsorption processes
Trattamento di terreni contaminati da idrocarburi mediante biopile: monitoraggio di un impianto alla scala reale
No full textApplicabilità dell’ossidazione a umido quale post-trattamento per la decontaminazione della frazione limo-argillosa derivante da soil washing
No full textConfronto tra due impianti di depurazione CAS e MBR: aspetti tecnici, economici e ambientali
No full textMethodology for technical and economic assessment of advanced routes for sludge processing and disposal
No full textIn order to meet the environmental legislative framework in force in Europe and reduce sludge processing and disposal costs, several sludge treatment technologies and management strategies have been proposed in the last two decades. The evaluation of their technical and economic suitability, case by case, may be a challenge, since many aspects are involved, so that a robust decision support system should be used. Within the ROUTES project (founded within the EU Seventh Framework Programme), the authors have developed an assessment procedure which allows rating several technical factors (such as system reliability, complexity, safety aspects, modularity, etc.) and estimating capital and operating costs, in case a plant is being upgraded. The comparison between the original (reference) plant and the modified configuration informs about technical hot spots (which are expressed by a traffic light-type colour code) and cost gaps resulting from the implementation of the new solution
Applicabilità dell'ossidazione ad umido quale post-trattamento per la decontaminazione della frazione limo-argillosa derivante da soil washing
No full text
Rimozione di idrocarburi in biopila: analisi dei tracciati cromatografici di un impianto a scala reale
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