R Chamy

Summary

Country: Chile

Publications

  1. doi Anaerobic monodigestion of poultry manure: determination of operational parameters for CSTR
    R Chamy
    School of Biochemical Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 65:53-9. 2012
  2. ncbi Selected experiences in Chile for the application of UASB technology for vinasse treatment
    R Chamy
    School of Biochemical Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 56:39-48. 2007
  3. doi Factors in the determination of methanogenic potential of manure
    Rolando Chamy
    School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso General Cruz 34, Valparaiso, Chile
    Bioresour Technol 102:7673-7. 2011
  4. doi Influence of heavy metal supplementation on specific methanogenic activity and microbial communities detected in batch anaerobic digesters
    Z Milan
    Pontificia Universidad Catolica de Valparaiso, Chile
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:1307-14. 2010
  5. doi The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges
    Z Milan
    Laboratorio de Biotecnologia Ambiental, Pontificia Universidad Catolica de Valparaiso, Valaparaiso, Chile
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:883-9. 2010
  6. ncbi Nitrification-denitrification via nitrite accumulation for nitrogen removal from wastewaters
    G Ruiz
    School of Biochemical Engineering, Universidad Catolica de Valparaiso, General Cruz 34, 234 0950 Valparaiso, Chile
    Bioresour Technol 97:330-5. 2006
  7. doi Development and validation of a simplified model for the anaerobic degradation of phenol
    A Donoso-Bravo
    School of Biochemical Engineering, Faculty of Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 60:37-45. 2009
  8. doi Performance evaluation of a two-phase anaerobic digestion process of synthetic domestic wastewater at ambient temperature
    L Guerrero
    Department of Chemical, Biotechnological and Environmental Processes, Federico Santa Maria Technical University, Valparaiso, Chile
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:673-81. 2009
  9. doi Performance of an in-situ rotating biological contactor in a recirculating aquaculture system
    P Marin
    Escuela de Ingeniería Bioquímica, Pontificia Universidad Catolica de Valparaiso, Valparaiso, Chile
    Water Sci Technol 64:2217-22. 2011
  10. doi Influence of temperature on the hydrolysis, acidogenesis and methanogenesis in mesophilic anaerobic digestion: parameter identification and modeling application
    A Donoso-Bravo
    School of Biochemical Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 60:9-17. 2009

Collaborators

Detail Information

Publications18

  1. doi Anaerobic monodigestion of poultry manure: determination of operational parameters for CSTR
    R Chamy
    School of Biochemical Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 65:53-9. 2012
    ..Additionally, with this parameter a VS removal of 80% with a methane productivity of 0.50 m(3)(CH4)/m(3)(R)d is achieved...
  2. ncbi Selected experiences in Chile for the application of UASB technology for vinasse treatment
    R Chamy
    School of Biochemical Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 56:39-48. 2007
    ..From these results, it was possible to propose and to apply recovery techniques to the digesters when they are destabilized...
  3. doi Factors in the determination of methanogenic potential of manure
    Rolando Chamy
    School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso General Cruz 34, Valparaiso, Chile
    Bioresour Technol 102:7673-7. 2011
    ..The methanogenic potential of this type of waste is not determined by the amount of sludge and it does not need an external inoculum (external to the waste contents)...
  4. doi Influence of heavy metal supplementation on specific methanogenic activity and microbial communities detected in batch anaerobic digesters
    Z Milan
    Pontificia Universidad Catolica de Valparaiso, Chile
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:1307-14. 2010
    ..In digesters with modified zeolites and metal supplementations the values of SMA were higher than those obtained in the control and natural zeolite digesters...
  5. doi The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges
    Z Milan
    Laboratorio de Biotecnologia Ambiental, Pontificia Universidad Catolica de Valparaiso, Valaparaiso, Chile
    J Environ Sci Health A Tox Hazard Subst Environ Eng 45:883-9. 2010
    ..Finally, a study of the microbial population involved in this study for P.S. by using 16S rRNA based molecular techniques revealed a presence of microorganisms following the order: Methanococcaceae > Methanosarcina > Methanosaeta...
  6. ncbi Nitrification-denitrification via nitrite accumulation for nitrogen removal from wastewaters
    G Ruiz
    School of Biochemical Engineering, Universidad Catolica de Valparaiso, General Cruz 34, 234 0950 Valparaiso, Chile
    Bioresour Technol 97:330-5. 2006
    ..The process was stable and a steady state was maintained for 20 days, and 93.5% of overall nitrogen removal was achieved in the nitrification-denitrification via the nitrite process...
  7. doi Development and validation of a simplified model for the anaerobic degradation of phenol
    A Donoso-Bravo
    School of Biochemical Engineering, Faculty of Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 60:37-45. 2009
    ..Therefore, the theoretical basis of the model is, in general terms, valid, and its utilization to predict the reactors performance or in control purposes is feasible...
  8. doi Performance evaluation of a two-phase anaerobic digestion process of synthetic domestic wastewater at ambient temperature
    L Guerrero
    Department of Chemical, Biotechnological and Environmental Processes, Federico Santa Maria Technical University, Valparaiso, Chile
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:673-81. 2009
    ..Additionally, the kinetics involved in the hydrolytic stage was determined using the Contois kinetic model, which adequately predicted the experimental results...
  9. doi Performance of an in-situ rotating biological contactor in a recirculating aquaculture system
    P Marin
    Escuela de Ingeniería Bioquímica, Pontificia Universidad Catolica de Valparaiso, Valparaiso, Chile
    Water Sci Technol 64:2217-22. 2011
    ..Up to 70% of ammonia generated was removed and a removal rate of 1.41 g NH(4)(+)-N m(-2) d(-1) was reached...
  10. doi Influence of temperature on the hydrolysis, acidogenesis and methanogenesis in mesophilic anaerobic digestion: parameter identification and modeling application
    A Donoso-Bravo
    School of Biochemical Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 60:9-17. 2009
    ..However, when more complex substrates are used (e.g. sewage sludge), the hydrolysis might become more quickly into the limiting step...
  11. doi Analysis of the methodology to determine anaerobic toxicity: evaluation of main compounds present in wastewater treatment plants (WWTPs)
    J Urra
    Department of Biochemical Engineering, Pontificia Universidad Catolica de Valparaiso, General Cruz 34, Valparaiso, Chile
    Water Sci Technol 57:857-62. 2008
    ....
  12. ncbi Nitrification with high nitrite accumulation for the treatment of wastewater with high ammonia concentration
    G Ruiz
    Biochemical Engineering School, Universidad Católica de Valparai so, General Cruz 34, Valparaiso, Chile
    Water Res 37:1371-7. 2003
    ..7mg/L. This represents a reduction close to 20% in the oxygen necessary, and therefore a considerable saving in aeration...
  13. ncbi The influence of pH in the hydrolytic stage of anaerobic digestion of the organic fraction of urban solid waste
    S Dinamarca
    The Technical University Federico Santa Maria, Av España 1680, Valparaiso, Chile
    Water Sci Technol 48:249-54. 2003
    ....
  14. ncbi Dynamics of extracellular polymeric substances in UASB and EGSB reactors treating medium and low concentrated wastewaters
    A Puñal
    Escuela de Ingeniería Bioquímica, Universidad Catolica de Valparaiso, Avda Brasil 2950, Casilla 4059, Valparaiso, Chile
    Water Sci Technol 48:41-9. 2003
    ..These observations point to composition and distribution of EPS rather than their total concentration as key parameters for granule stability and settleability...
  15. ncbi Anaerobically treated wastewater in agricultural irrigation as an alternative for posttreatment in water-demanding zones
    D Jeison
    Department of Chemical Engineering, Universidad de La Frontera, Casilla 54D, Temuco, Chile
    Appl Biochem Biotechnol 109:197-206. 2003
    ....
  16. ncbi Effect of inoculum-substrate ratio on the start-up of solid waste anaerobic digesters
    B Fernandez
    Chemical Engineering Department, Santiago de Compostela University, Avda das Ciencias s n, 15706, Santiago de Compostela, Spain
    Water Sci Technol 44:103-8. 2001
    ..All this information is important during the conventional anaerobic reactors operation because these tests would show which ISRs avoid inhibition...
  17. ncbi Effect of addition of an exogenous exopolymeric substance in UASB and EGSB reactors
    E Vivanco
    Escuela de Ingeniería Bioquímica, Pontificia Universidad Catolica de Valparaiso, Casilla, Chile
    Water Sci Technol 54:25-31. 2006
    ....
  18. ncbi Winery solid residue revalorization into oil and antioxidant with nutraceutical properties by an enzyme assisted process
    P Tobar
    Escuela de Ingeniería Bioquímica, Facultad de Ingenieria, Pontificia Universidad Catolica de Valparaiso, Av Brasil 2157, Valparaiso, Chile
    Water Sci Technol 51:47-52. 2005
    ..The defatted meal by enzimatic assisted process improves its phenolic compounds between 2 and 4 times, depending on the conditions of phenolics extraction in comparison to the control samples...