Elena Marañón

Summary

Affiliation: Universidad de Oviedo
Country: Spain

Publications

  1. doi request reprint Co-digestion of cattle manure with food waste and sludge to increase biogas production
    E 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
  2. doi request reprint Tertiary treatment of landfill leachates by adsorption
    Elena 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
  3. ncbi request reprint Ion exchange treatment of rinse water generated in the galvanizing process
    Elena Marañón
    Department of Chemical and Environmental Engineering, Higher Polytechnic School of Engineering, University of Oviedo, Gijon, Spain
    Water Environ Res 77:3054-8. 2005
  4. ncbi request reprint Anaerobic treatment of sludge from a nitrification-denitrification landfill leachate plant
    E 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
  5. ncbi request reprint Removal of ammonium from aqueous solutions with volcanic tuff
    E 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
  6. doi request reprint Colour, turbidity and COD removal from old landfill leachate by coagulation-flocculation treatment
    E 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
  7. doi request reprint Coagulation-flocculation as a pretreatment process at a landfill leachate nitrification-denitrification plant
    E 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
  8. doi request reprint Reducing the environmental impact of methane emissions from dairy farms by anaerobic digestion of cattle waste
    E 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
  9. doi request reprint Three-step biological process for the treatment of the liquid fraction of cattle manure
    E 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
  10. ncbi request reprint Treatment of coke wastewater in a sequential batch reactor (SBR) at pilot plant scale
    E Maranon
    Department of Chemical and Environmental Engineering, Higher Polytechnic School of Engineering, University of Oviedo, 33204 Gijón, Spain
    Bioresour Technol 99:4192-8. 2008

Collaborators

Detail Information

Publications27

  1. doi request reprint Co-digestion of cattle manure with food waste and sludge to increase biogas production
    E 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...
  2. doi request reprint Tertiary treatment of landfill leachates by adsorption
    Elena 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...
  3. ncbi request reprint Ion exchange treatment of rinse water generated in the galvanizing process
    Elena 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...
  4. ncbi request reprint Anaerobic treatment of sludge from a nitrification-denitrification landfill leachate plant
    E 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...
  5. ncbi request reprint Removal of ammonium from aqueous solutions with volcanic tuff
    E 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...
  6. doi request reprint Colour, turbidity and COD removal from old landfill leachate by coagulation-flocculation treatment
    E 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...
  7. doi request reprint Coagulation-flocculation as a pretreatment process at a landfill leachate nitrification-denitrification plant
    E 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...
  8. doi request reprint Reducing the environmental impact of methane emissions from dairy farms by anaerobic digestion of cattle waste
    E 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...
  9. doi request reprint Three-step biological process for the treatment of the liquid fraction of cattle manure
    E 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...
  10. ncbi request reprint Treatment of coke wastewater in a sequential batch reactor (SBR) at pilot plant scale
    E 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...
  11. doi request reprint Denitrification of high nitrate concentration wastewater using alternative carbon sources
    Y 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...
  12. ncbi request reprint Anaerobic mesophilic treatment of cattle manure in an upflow anaerobic sludge blanket reactor with prior pasteurization
    Elena 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
    ....
  13. doi request reprint Denitrification of wastewater containing high nitrate and calcium concentrations
    Y 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...
  14. ncbi request reprint Removal of non-biodegradable organic matter from landfill leachates by adsorption
    J 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...
  15. ncbi request reprint Removal of residual phenols from coke wastewater by adsorption
    I 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)...
  16. ncbi request reprint Study of the aerobic biodegradation of coke wastewater in a two and three-step activated sludge process
    I 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...
  17. ncbi request reprint Simultaneous removal of phenol, ammonium and thiocyanate from coke wastewater by aerobic biodegradation
    I 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...
  18. ncbi request reprint Anaerobic thermophilic treatment of cattle manure in UASB reactors
    L 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...
  19. doi request reprint Influence of conditioning agents and enzymic hydrolysis on the biochemical methane potential of sewage sludge
    Elena Marañón
    University Institute of Industrial Technology of Asturias, University of Oviedo, 33203 Gijón, Spain E mail
    Water Sci Technol 68:1622-32. 2013
    ..Cationic polyelectrolytes inhibited solid-liquid separation during enzymic hydrolysis and, although the presence of only FeCl(3) did not affect this separation, a significant decrease (32%) in LCH(4)/kgVSrem was observed...
  20. ncbi request reprint Extraction wells and biogas recovery modeling in sanitary landfills
    J 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
    ....
  21. ncbi request reprint The influence of hydraulic residence time on the treatment of cattle manure in UASB reactors
    E 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%...
  22. ncbi request reprint Life cycle analysis of Municipal Solid Waste management possibilities in Asturias, Spain
    Jesús 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...
  23. doi request reprint Anoxic-aerobic treatment of the liquid fraction of cattle manure
    L 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...
  24. doi request reprint Physico-chemical and biological treatment of MSW landfill leachate
    L 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...
  25. ncbi request reprint Mathematical modelling of landfill gas migration in MSW sanitary landfills
    S 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...
  26. doi request reprint Physico-chemical analysis and calorific values of poultry manure
    G 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%)...
  27. ncbi request reprint Removal of Cd and Zn from inorganic industrial waste leachate by ion exchange
    Y 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...