Research Topics
| Elena MarañónSummaryAffiliation: Universidad de Oviedo Country: Spain Publications
| Collaborators
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Detail Information
Publications
Co-digestion of cattle manure with food waste and sludge to increase biogas productionE Maranon
Department of Chemical Engineering and Environmental Technology, University Institute of Technology of Asturias, Campus of Gijón, University of Oviedo, 33203 Gijón, Spain
Waste Manag 32:1821-5. 2012..Lower methane yields were obtained when operating at 55°C. The increase in methane production when applying ultrasound to the feed mixtures does not compensate for the energy spent in this pretreatment...- Coagulation-flocculation as a pretreatment process at a landfill leachate nitrification-denitrification plantE Maranon
Chemical and Environmental Engineering Department, Higher Polytechnic School of Engineering, University of Oviedo, Campus of Viesques, Gijon, Spain
J Hazard Mater 156:538-44. 2008..The volume of the sludge generated represents around 4.5-5.0% when using ferric chloride or aluminium sulphate, and 15% when using aluminium polychloride... - Three-step biological process for the treatment of the liquid fraction of cattle manureE Maranon
Department of Chemical and Environmental Engineering, Higher Polytechnic School of Engineering, University of Oviedo 33203 Gijón, Asturias, Spain
Bioresour Technol 99:7750-7. 2008..To reduce the amount of nitrates, different recirculation rates were tested. The minimum nitrate concentration achieved was 127 mg/L using a recirculation ratio of 4... 
Removal of ammonium from aqueous solutions with volcanic tuffE Maranon
Department of Chemical Engineering and Environmental Technology, Higher Polytechnic School of Engineering, University of Oviedo, 33204 Gijón, Spain
J Hazard Mater 137:1402-9. 2006..The removal efficiciency of ammonium by volcanic tuff were similar to those of zeolites 5A and 13X at low initial ammonium concentration, and much higher than those of zeolite ZSM-5...- Ion exchange treatment of rinse water generated in the galvanizing processElena Marañón
Department of Chemical and Environmental Engineering, Higher Polytechnic School of Engineering, University of Oviedo, Gijon, Spain
Water Environ Res 77:3054-8. 2005..The influence of the flowrate used during the loading stage was also studied, with 0.5 bed volumes/min (3.2 cm/min) found to be the optimum flowrate... - Anaerobic treatment of sludge from a nitrification-denitrification landfill leachate plantE Maranon
Chemical and Environmental Engineering Department, Higher Polytechnic School of Engineering, University of Oviedo, Campus of Viesques, 33204 Gijón, Spain
Waste Manag 26:869-74. 2006..Purging of the digested sludge represented approximately 16% of the volume of the treated sludge... - Tertiary treatment of landfill leachates by adsorptionElena Marañón
Department of Chemical Engineering and Environmental Technology, Higher Polytehcnic School of Engineering University of Oviedo Campus of Viesques, Gijon Spain
Waste Manag Res 27:527-33. 2009..Removal efficiency increased with the dosage of activated carbon employed, obtaining maximum COD and colour removals of 63 and 45%, respectively, for a dosage of 20 mg L(-1) after 5 h contact time... - Colour, turbidity and COD removal from old landfill leachate by coagulation-flocculation treatmentE Maranon
Chemical Engineering and Environmental Technology Department, University Technology Institute of Asturias IUTA, University of Oviedo, Gijon, Spain
Waste Manag Res 28:731-7. 2010..When flocculants were also added, the results obtained were similar to those found when adding only coagulants, although a considerable increase in the settling rate was obtained... - Reducing the environmental impact of methane emissions from dairy farms by anaerobic digestion of cattle wasteE Maranon
Department of Chemical Engineering and Environmental Technology, University Institute of Technology of Asturias IUTA, University of Oviedo, 33203 Gijón, Spain
Waste Manag 31:1745-51. 2011..The methane produced would be sufficient to supply digester heating needs (35-55% of the total methane produced) and on-farm fuel energy requirements... - Treatment of coke wastewater in a sequential batch reactor (SBR) at pilot plant scaleE Maranon
Department of Chemical and Environmental Engineering, Higher Polytechnic School of Engineering, University of Oviedo, 33204 Gijón, Spain
Bioresour Technol 99:4192-8. 2008..Final concentrations in the effluent of 1.8 mg phenols/L, 5.4 mg SCN/L, 206 mg COD/L and 78 mg N-NH(4)(+)/L were obtained... - Denitrification of high nitrate concentration wastewater using alternative carbon sourcesY Fernández-Nava
Department of Chemical Engineering and Environmental Technology, University Institute of Industrial Technology of Asturias IUTA, Higher Polytechnic School of Engineering, University of Oviedo, 33203 Gijón, Spain
J Hazard Mater 173:682-8. 2010..93-1.75 g VSS(formed)/g NO(x)-N(reduced)). The lowest value was obtained using the lactic acid-rich residue. The optimum COD/N ratios varied between 4.6 for the lactic acid-rich carbon source and 5.5-6.5 for the sugar-rich carbon sources... - Anaerobic mesophilic treatment of cattle manure in an upflow anaerobic sludge blanket reactor with prior pasteurizationElena Marañón
Department of Chemical and Environmental Technology and Institute of Industrial Technology of Asturias, Higher Polytechnic School of Engineering, University of Oviedo, Gijon, Spain
J Air Waste Manag Assoc 56:137-43. 2006.... - Denitrification of wastewater containing high nitrate and calcium concentrationsY Fernández-Nava
Department of Chemical Engineering and Environmental Technology, University Institute of Industrial Technology of Asturias, Higher Polytechnic School of Engineering, University of Oviedo, 33203 Gijón, Spain
Bioresour Technol 99:7976-81. 2008..The optimum COD/N ratio was found to be 3.4, achieving 98% nitrate removal in 7h at a maximum rate of 30.4mg NO3- -N/gVSSh and very low residual COD in the effluent... - Removal of non-biodegradable organic matter from landfill leachates by adsorptionJ Rodriguez
Department of Chemical Engineering and Environmental Technology, Higher Polytechnic School of Engineering, University of Oviedo, 33204 Gijón, Spain
Water Res 38:3297-303. 2004..Similar results were obtained when treating with activated carbon, the leachate from the biological treatment plant at the La Zoreda landfill; in this case without decreasing the pH... - Removal of residual phenols from coke wastewater by adsorptionI Vazquez
Department of Chemical and Environmental Engineering, Higher Polytechnic School of Engineering, University of Oviedo, Campus de Viesques, Edificio de Energía, 33204 Gijón, Spain
J Hazard Mater 147:395-400. 2007..These two resins presented similar saturation capacities of around 1.1 mg mL(-1)... - Study of the aerobic biodegradation of coke wastewater in a two and three-step activated sludge processI Vazquez
Department of Chemical and Environmental Engineering, Higher Polytechnic School of Engineering, University of Oviedo, 33204 Gijón, Spain
J Hazard Mater 137:1681-8. 2006..In order to remove nitrate, an additional reactor was also implemented to carry out the denitrification process, adding methanol as an external carbon source. Very high removal efficiencies (up to 99.2%) were achieved... - Simultaneous removal of phenol, ammonium and thiocyanate from coke wastewater by aerobic biodegradationI Vazquez
Department of Chemical Engineering and Environmental Technology, Higher Polytechnic School of Engineering, University of Oviedo, 33204 Gijón, Spain
J Hazard Mater 137:1773-80. 2006..Batch experiments were performed to study the influence of pH and alkalinity on the biodegradation of phenols and thiocyanate... - Anaerobic thermophilic treatment of cattle manure in UASB reactorsL Castrillon
Department of Chemical and Environmental Engineering, Higher School of Industrial Engineering, Gijon, University of Oviedo, Spain
Waste Manag Res 20:350-6. 2002..The reduction in COD was slightly greater under mesophilic conditions, though the main advantage of thermophilic anaerobic treatment is the faster inactivation of viruses and bacteria... - The influence of hydraulic residence time on the treatment of cattle manure in UASB reactorsE Maranon
Department of Chemical and Environmental Engineering, Higher School of Industrial Engineering, Gijon, University of Ovideo, Spain
Waste Manag Res 19:436-41. 2001..5% for a hydraulic residence time of 22.5 days. Gas production varied between values of 0.20-0.39 m3gas kg(-1) COD removed, with a methane content of up to 64%. There was a fraction refractory to biodegradation of 11%... - Extraction wells and biogas recovery modeling in sanitary landfillsJ Rodriguez-Iglesias
Department of Chemical and Environmental Engineering, Higher Technical School of Engineering, University of Oviedo, Spain
J Air Waste Manag Assoc 55:173-80. 2005.... - Life cycle analysis of Municipal Solid Waste management possibilities in Asturias, SpainJesús Rodríguez-Iglesias
Dept of Chemical Engineering and Environmental Technology, Higher Polytechnic School of Engineering, Campus of Viesques, 33204 Gijón, University of Oviedo, Spain
Waste Manag Res 21:535-48. 2003..What emerges from this study is the soundness of management strategies based on biological treatment technologies in comparison with thermal treatments, together with the need to increase the level of collection at source... - Physico-chemical and biological treatment of MSW landfill leachateL Castrillon
Chemical Engineering and Environmental Technology Department, University Technology Institute of Asturias IUTA, University of Oviedo, Campus of Gijón, 33203 Gijón, Spain
Waste Manag 30:228-35. 2010..As regards ammonium nitrogen, this can be reduced to final effluent values of 5 mg/L by means of nitrification/denitrification and to values of 126 mg/L by stripping at pH 12 and 48 h of stirring... - Anoxic-aerobic treatment of the liquid fraction of cattle manureL Castrillon
Department of Chemical Engineering and Environmental Technology, Asturias Institute of Industrial Technology, University of Oviedo, 33203 Gijón, Asturias, Spain
Waste Manag 29:761-6. 2009..With the subsequent anoxic-aerobic treatment, average removal efficiencies of 85% for COD, 90% for total phosphorus and 75% for total nitrogen were achieved... - Mathematical modelling of landfill gas migration in MSW sanitary landfillsS Martin
Dept of Chemical Engineering and Environmental Technology, University of Oviedo, ETSII e II, Gijon Asturias, Spain
Waste Manag Res 19:425-35. 2001..Finally, the results obtained employing data from the literature and experimental assays carried out at the La Zoreda sanitary landfill (Asturias, Spain) are discussed and future lines of research are proposed... - Physico-chemical analysis and calorific values of poultry manureG Quiroga
Chemical Engineering and Environmental Technology Department, University Technology Institute of Asturias IUTA, University of Oviedo, Campus of Gijón, 33203 Gijón, Spain
Waste Manag 30:880-4. 2010..Chlorine and sulphur contents in dry matter vary around mean values of 0.64% and 0.11%, respectively. The waste also presents high amounts of Ca (4.84%) and K (2.38%)... - Removal of Cd and Zn from inorganic industrial waste leachate by ion exchangeY Fernandez
Department of Chemical and Environmental Engineering, Higher Polytechnic School of Engineering, University of Oviedo, Campus of Viesques, 33203 Gijón, Spain
J Hazard Mater 126:169-75. 2005..1 and 1.0mg/dm3, respectively. Regeneration of the saturated bed was achieved with 11 BV of 2M HCl...