PROFESORES

Valeria Ochoa-Herrera

Ph.D. in Environmental Engineering, University of Arizona, USA


Oficina: Edif. Casa Tomate, CT-110


Telf: (+593 2) 297-1700, ext. 1208


E-mail: vochoa@usfq.edu.ec


Mis Intereses

Agua dulce, tratamiento de efluentes domésticos e industriales, biorremediación, biocombustibles, química analítica ambiental y sustentabilidad.

Proyectos

  • SISTEMA INTEGRAL DE TRATAMIENTO DE DRENAJES ÁCIDOS DE ROCA PROVENIENTES DE LAS ACTIVIDADES DE MINERÍA METÁLICA EN ECUADOR: Este proyecto busca diseñar e implementar un sistema integral de tratamiento de los DARs provenientes de las actividades de minería metálica en el Ecuador, combinando procesos físico-químicos y tratamientos biológicos a escala piloto.
  • INICIATIVA ECUADOR SIN DESPERDICIOS DE ALIMENTOS: El objetivo de este proyecto es promover cambios de comportamiento desde la empresa.
  • ESTUDIO DE ANÁLISIS REGULATORIO Y FINANCIERO SOBRE PLÁSTICOS EN LA ALIANZA DEL PACIFICO – BID PLÁSTICOS
  • ANÁLISIS Y MONITOREO DE LA CALIDAD DE AGUA EN SAN CRISTÓBAL-GALÁPAGOS
  • EVALUACIÓN DE METALES PESADOS EN ECOSISTEMAS DE AGUA DULCE EN ECUADOR

Publicaciones

AñoTítuloAutoresDocumento
2020Governance Mechanisms and Barriers for Achieving Water Quality Improvements in Galapagos. Cristina Mateus, Melanie Valencia, Kara DiFrancesco, Valeria Ochoa-Herrera, Todd Gartner and Diego QuirogaDescargar
2020New Ecuadorian records of the eyeless banjo catfish Micromyzon akamai
(Siluriformes: Aspredinidae) expand the species range and reveal intraspecific
morphological variation
Junior Chuctaya, Andrea C. Encalada, Karla S. Barragán, Maria L. Torres, Karla E. Rojas, Valeria Ochoa-Herrera, Tiago P. CarvalhoDescargar
2020Determination of the Microbial and Chemical Loads in Rivers from the Quito Capital Province of Ecuador (Pichincha)—A Preliminary Analysis of Microbial and Chemical Quality of the Main RiversPamela Borja-Serrano, Valeria Ochoa-Herrera, Laurence Maurice, Gabriela Morales, Cristian Quilumbaqui, Eduardo Tejera, António MachadoDescargar
2020Heavy metal assessment in drinking waters of Ecuador: Quito, Ibarra and GuayaquilIsabel Cipriani-Avila ; Jon Molinero ; Eliza Jara-Negrete ; Miren Barrado ; César Arcos ; Santiago Mafla ; Fernando Custode ; Gissela Vilaña ; Natalia Carpintero ; Valeria Ochoa-HerreraDescargar
2020The challenge of achieving safely managed drinking water supply on San Cristobal island, GalápagosAM Grube, JR Stewart, V Ochoa-HerreraDescargar
2019Copper effect in sulfate removal using a fixed bed reactorCynthia Denisse Loreto Munoz, Maria Teresa Certucha Barragan, Francisco Javier Almendariz Tapia, Valeria Ochoa-Herrera, Onofre Monge AmayaDescargar
2019Actualización de la huella de carbono de la Universidad San Francisco de Quito para el año 2015Salazar, F., Valencia, M., Velasco, A., & Ochoa-Herrera, V. de L.Descargar
2019An Integrated Approach for Evaluating Water Quality between 2007-2015 in Santa Cruz Island in the Galapagos Archipelago. Cristina Mateus, Christian A. Guerrero, Galo Quezada, Daniel Lara and Valeria Ochoa-HerreraDescargar
2019An integrative approach to identify the impacts of multiple metal contamination sources on the Eastern Andean foothills of the Ecuadorian AmazoniaMariana Vellosa Capparelli, Gabriel Massaine Moulatlet, Denis Moledo de Souza Abessa, Oscar Lucas-Solis, Bryan Rosero, Emily Galarza, Damian Tuba, Natalia Carpintero, Valeria Ochoa-Herrera, Isabel Cipriani-AvilaDescargar
2019Validating anthropogenic threat maps as a tool for assessing river ecological integrity in Andean-Amazon basins. PEERJ 7.Lessmann, J., M. J. Troya, A. S. Flecker, W. C. Funk, J. M. Guayasamin, V. Ochoa-Herrera, N. L. Poff, E. Suarez, and A. C. Encalada.Descargar
2019Drinking water quality in areas impacted by oil activities in Ecuador: Associated health risks and social perception of human exposureLaurence Maurice, Fausto López, Sylvia Becerra, Hala Jamhoury, Karyn Le Menach, Marie-Hélène Dévier, Hélène Budzinski, Jonathan Prunier, Guilhem Juteau-Martineau, Valeria Ochoa-Herrera, Diego Quiroga, Eva SchreckDescargar
2019Construcción y operación de una cámara anaeróbica de bajo costo para la siembra y el cultivo de bacterias sulfato reductorasAracely Zambrano-Romero, Nelson Herrera-Moreno, Gabriel Trueba, Reyes Sierra-Álvarez, Antonio León-Reyes, Valeria Ochoa-HerreraDescargar
2018Towards a Sustainable Energy-Efficient Future at
Universities, Universidad San Francisco de Quito
Case Study, Phase I
Melanie Valencia, Sofia Villacreses, Diego S Benítez, Alexandra Velasco, Valeria Ochoa-HerreraDescargar
2018Wastewater treatment for nutrient removal with Ecuadorian native microalgaeMB Benítez, P Champagne, A Ramos, AF Torres, V Ochoa-HerreraDescargar
2018Understanding the limits of assessing sustainability at Universidad San Francisco de Quito, Ecuador while reporting for a North American system Velasco, A., Valencia, M., Morrow, S. and Ochoa-Herrera, V.Descargar
2018Changes in microbial composition during the removal of copper and zinc in a bioreactor with a limestone pre-column systemMaría Aracely ZambranoDescargar
2018Calidad de los rios y salud de los ecosistemas acuaticos en la Amazonia= Qualité des rivières et et santé des écosystèmes aquatiques en AmazonieLaurence Maurice, J Mena, C Moreno, J Prunier, L Laffont, V Ochoa-Herrera, AC EncaladaDescargar
2018El agua superficial y el agua de consume: riesgos para salud= L'eau de surface et l'eau de consomation: quels risques pour la santé des populations riveraines?Laurence Maurice, Lopez F., Jamourhy H., Le Menach K., Devier M.H., Budzinski H., Ochoa-Herrera V., Schreck E.Descargar
2018Estimation of Landfill Methane Generation from Solid Waste Management Options in the Galapagos IslandsRodny Peñafiel, Lucila Pesántez, Valeria Ochoa-HerreraDescargar
2017Distribution, contents and health risk assessment of metal(loid)s in small-scale farms in the Ecuadorian Amazon: an insight into oil activities impacts Barraza, F., Maurice, L., Uzu, G., Becerra, S., Lopez, F., Ochoa-Herrera, V., Ruales, J. and Schreck, E.Descargar
2016Microbial toxicity and biodegradability of perfluorooctane sulfonate (PFOS) and shorter chain perfluoroalkyl and polyfluoroalkyl substances (PFASs)Ochoa-Herrera, V.,Field, J.A., Luna-Velasco, A. and Sierra-Alvarez, R.Descargar
2015Analysis of major cations in bottom sediments from oil impacted rivers in the Ecuadorian AmazonPérez, C. G., Maurice, L., Ochoa-Herrera, V., López, F., Egas, D. A., Lagane, C. and Besson, P.Descargar
2015Electronic waste recycling campaign at Universidad San Francisco de Quito, EcuadorDalgo, D. Ochoa-Herrera, V., Pérez, G., Parra, R., Peñafiel, R., Sáenz, M. and Velasco, A.Descargar
2015Methane gas generation from palm oil mill effluent in experimental biodigestersGarzon, P. Ochoa-Herrera, V. and Peñafiel, R.Descargar
2014Anaerobic digestion of fruit and vegetable wastes from Tumbaco's central market in Ecuador in semi-batch bioreactors – laboratory scaleCastelo, P., Peñafiel, R. and Ochoa-Herrera, V.Descargar
2014Sustainable algal growth in bench-scale reactors for biodiesel production in EcuadorOchoa-Herrera, V.,Ruiz, G., Dávila, A. G., Dischinger, S. and Peñafiel, R.Descargar
2014Contaminants as habitat disturbers: PAH-driven drift by andean paramo stream insectsAraujo, C.V.M., Moreira-Santos, M., Sousa, J. P., Ochoa-Herrera, V., Encalada, A. C., Ribeiro, R.Descargar
2014Active avoidance from a crude oil soluble fraction by an Andean paramo copepodAraujo, C.V.M., Moreira-Santos, M., Sousa, J. P., Ochoa-Herrera, V., Encalada, A. C., Ribeiro, R.Descargar
2014A baseline analysis of the quality of water resources on San Cristóbal Island, GalápagosOchoa-Herrera, V., Eskew, O., Overbey, K., Palermo, F. and Peñafiel, R.Descargar
2013Effect of the substrate as electron donor during the microbial sulfate reduction and its posible applications in the biological treatment of acid mine drainageAndrade, V. and Ochoa-Herrera, V.Descargar
2013On the role of vitamin B-12 in the reductive dehalogenation of perfluorinated persistent organic pollutants: A DFT studyDuenas-Fadic, M. E., Ochoa-Herrera, V., Mendez, M. A., Zambrano, C. H., Torres, F. J.Descargar
2013Tratamiento físico-químico de los drenajes ácidos de mina con piedra calizaOchoa-Herrera, V., Riofrío, L. and Peñafiel, R.Descargar
2013Remoción de contaminantes de aguas residuales del procesamiento de pieles mediante un reactor de mezcla controladaPeñafiel, R., Cerón P., Ochoa-Herrera, V.Descargar
2011Toxicity of copper(II) ions to microorganisms in biological wastewater treatment systemsOchoa-Herrera, V.,Leon, G., Banihani, Q., Field, J. A. and Sierra-Alvarez, R.Descargar
2011Developmentof Analytical Methods to Quantify Perfluorooctane Sulfonate and Related Compounds in the EnvironmentValeria Ochoa-Herrera, Jim A Field, Reyes Sierra-AlvarezDescargar
2010Determinación de la Persistencia de Compuestos Perfluorinados en Plantas de Tratamiento de Aguas Residuales Municipales mediante LC-MS/MSOchoa-Herrera, V. Field, J.A., y Sierra-Alvarez, R.Descargar
2009Response to Comment by Sierra Rayne and Kaya Forest on "Ab Initio Study of the Structural, Electronic, and Thermodynamic Properties of Linear Perfluorooctane Sulfonate (PFOS) and its Branched Isomers"Torres, F.J., Ochoa-Herrera, V., Blowers, P. and Sierra-Alvarez, R.Descargar
2009Ab initio study of the structural, electronic, vibrational and thermodynamic properties of linear perfluorooctane sulfonate (PFOS) and its branched isomersTorres, F.J., Ochoa-Herrera, V., Blowers, P. and Sierra-Alvarez, R.Descargar
2009Toxicity of fluoride to microorganisms in biological wastewater treatment systemsOchoa-Herrera, V.,Banihani, Q., León , G., Khatri, C., Field, J.A. and Sierra-Alvarez, R.Descargar
2008Removal of perfluorinated surfactants by sorption onto granular activated carbon, zeolite and sludgeOchoa-Herrera, V.and Sierra-Alvarez, R.Descargar
2008Reductive Defluorination of Perfluorooctanesulfonate (PFOS)Ochoa-Herrera, V., Sierra-Alvarez, R., Somogyi, A., Jacobsen, N., Wysocki, V., Field, J.Descargar