Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | Removal of iron and manganese from hydrocarbon-contaminated groundwaters |
| Abstract | High iron and manganese concentrations were detected in oil-contaminated groundwater pumped from a hydraulic barrier at an abandoned refinery site. The biological treatment for hydrocarbon removal occasionally showed high iron and manganese removal efficiencies, therefore a tighter control was put on the process in order to favour the precipitation of metals. The full-scale treatment plant was monitored over a period of more than two years, and different corrective management strategies were adopted by improving the conditions for (iron and) manganese oxidation. Manganese oxidation and consequent precipitation was found to be strongly dependent on parameters such as redox potential, temperature and sludge age. The process was favoured by biological activity (nitrification), and laboratory tests showed that the latter may be critical for the start up of manganese oxidation, which then proceeds mainly by autocatalytic reaction. Copyright (C) 2000 Elsevier Science Ltd. |
| Source | Bioresource technology 74 (2), pp. 109–114 |
| Keywords | BiocatalystsGroundwaterIronManganeseOxidationPrecipitationRedox |
| Journal | Bioresource technology |
| Editor | Elsevier Applied Science,, Barking, Regno Unito |
| Year | 2000 |
| Type | Articolo in rivista |
| DOI | 10.1016/S0960-8524(00)00003-1 |
| Authors | Berbenni P.; Pollice A.; Canziani R.; Stabile L.; Nobili F. |
| Text | 347266 2000 10.1016/S0960 8524 00 00003 1 Scopus 2 s2.0 0034082657 Biocatalysts Groundwater Iron Manganese Oxidation Precipitation Redox Removal of iron and manganese from hydrocarbon contaminated groundwaters Berbenni P.; Pollice A.; Canziani R.; Stabile L.; Nobili F. Politecnico di Milano, DIIAR Sez. Ambientale, Pzza L., Milano; Geochem S.r.l., Viale Montello, 4 20154, Milano High iron and manganese concentrations were detected in oil contaminated groundwater pumped from a hydraulic barrier at an abandoned refinery site. The biological treatment for hydrocarbon removal occasionally showed high iron and manganese removal efficiencies, therefore a tighter control was put on the process in order to favour the precipitation of metals. The full scale treatment plant was monitored over a period of more than two years, and different corrective management strategies were adopted by improving the conditions for iron and manganese oxidation. Manganese oxidation and consequent precipitation was found to be strongly dependent on parameters such as redox potential, temperature and sludge age. The process was favoured by biological activity nitrification , and laboratory tests showed that the latter may be critical for the start up of manganese oxidation, which then proceeds mainly by autocatalytic reaction. Copyright C 2000 Elsevier Science Ltd. 74 Published version http //www.scopus.com/inward/record.url eid=2 s2.0 0034082657 partnerID=q2rCbXpz Articolo in rivista Elsevier Applied Science, 0960 8524 Bioresource technology Bioresource technology Bioresour. technol. Bioresource technology. alfieri.pollice POLLICE ALFIERI |