Felipe Varela Ojeda

Emerging pollutants in the Esmeraldas watershed in Ecuador: discharge and attenuation of emerging organic pollutants along the San Pedro–Guayllabamba–Esmeraldas rivers

A. Voloshenko-Rossin, Guy Gasser, K. Cohen et al. · Environmental Science Processes & Impacts · 2014 · 80 citations

Ecotoxicity, Environmental Monitoring, Engineering +20

Microaerobic pretreatment of sewage sludge: Effect of air flow rate, pretreatment time and temperature on the aerobic process and methane generation

Silvio Montalvo, César Huiliñir, Felipe Varela Ojeda et al. · International Biodeterioration & Biodegradation · 2016 · 50 citations

Sewage Sludge Treatment, Engineering, Biogas +11

Biogas Production from a Highly Organic Loaded Winery Effluent Through a Two-Stage Process

Germán Buitrón, Francisco Javier Martínez-Valdez, Felipe Varela Ojeda · BioEnergy Research · 2019 · 29 citations

Biomass Conversion, Engineering, Bioenergy +11

Improvement of methane content in a hydrogenotrophic anaerobic digester via the proper operation of membrane module integrated into an external-loop

Felipe Varela Ojeda, Péter Bakonyi, Germán Buitrón · Bioresource Technology · 2017 · 20 citations

Catalytic Membrane, Methane Content, Hydrogen Production +10

Performance evaluation of micro-aerobic hydrolysis of mixed sludge: Optimum aeration and effect on its biochemical methane potential

Silvio Montalvo, Felipe Varela Ojeda, César Huiliñir et al. · Journal of Environmental Science and Health Part A · 2016 · 13 citations · Full text