Search Results - "Aspe, E."

Shelf-life extension on fillets of Atlantic Salmon ( Salmo salar) using natural additives, superchilling and modified atmosphere packaging by Fernández, K., Aspe, E., Roeckel, M.

“…The effect of natural additives, superchilling, and modified atmosphere packaging (MAP) on the shelf-life of Atlantic Salmon ( Salmo salar) fillets was…”
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Simultaneous nitrate and organic matter removal from salmon industry wastewater: The effect of C/N ratio, nitrate concentration and organic load rate on batch and continuous process by Huiliñir, C., Hernández, S., Aspé, E., Roeckel, M.

“…Although simultaneous denitrification-anaerobic digestion has been studied extensively, the use of salmon effluents as organic matter source has received…”
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Molecular analysis of the community structure of nitrifying bacteria in a continuous-flow bioreactor by Levipan, H. A., Aspé, E., Urrutia, H.

“…We herein report the diversity and relative abundance of chemolithotrophic nitrifying bacteria in a continuous-flow bioreactor using 16S-ribosomal RNA…”
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Ammonia Inhibition in the Anaerobic Treatment of Fishery Effluents by Aspé, E., Martí, M. C., Jara, A., Roeckel, M.

“…Inhibition of the organic matter consumption rate of a saline and rich proteic effluent by free ammonia was assessed in anaerobic filters at 37 °C. Inhibition…”
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Use of biomass for the removal of heavy metals at low concentrations from freshwater for Chilean Atlantic salmon farms by Aspé, E., Roeckel, M., Fernández, K.

“…► The limit value for salmon culture for Al and Fe is 0.01 and 0.1mg/L, respectively. ► Removal of Al, Fe and Mn is possible by precipitation and solid and…”
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Protein hydrolysis under anaerobic, saline conditions in presence of acetic acid by Gonzalez, G, Urrutia, H, Roeckel, M, Aspe, E

“…The hydrolysis of soluble proteins in an anaerobic, saline (24 g dm−3 NaCl) and mesophilic (37 °C) environment was studied. The inhibitory effect of a volatile…”
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THE EFFECT OF SODIUM CHLORIDE ON THE DENITRIFICATION OF SALINE FISHERY WASTEWATERS by Mariángel, L., Aspé, E., Cristina Martí, M., Roeckel, M.

“…The effect of sodium chloride concentration (0.47-100 g l −1 ) on the rates of nitrate and nitrite reduction was studied at 37°C and pH 7.5 in a batch reactor…”
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Effect of Fishing Industries Effluents pH and Organic Load on the Methanogenic Bacteria Biofilm Developed over Support in Fixed Biomass Reactor by Urrutia, H., Vidal, R., Baeza, M., Aspé, E.

“…The effect of pH and organic matter (total organic carbon, TOC) of effluents originating from fishing industries located in Talcahuano, Chile, on the ability…”
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Optimization of a Sequential Anaerobic-Aerobic Treatment of a Saline Fishing Effluent by Vera, M., Aspé, E., Martí, M.C., Roeckel, M.

“…Optimization of a sequential anaerobic-aerobic treatment system to determine ideal reactor sizes for reduction of organic matter (COD) in fishing effluents to…”
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ORGANIC AND NITROGENOUS MATTER EFFECTS ON THE DENITRIFICATION OF SALINE AND PROTEIN-RICH EFFLUENTS by Huiliñir, C., Cristina Martí, M., Aspé, E., Roeckel, M.

“…The separate effect of protein concentration, nitrate concentration and carbon/nitrogen (C/N) ratio on the rate and efficiency of nitrate reduction was studied…”
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Denitrification kinetics of simulated fish processing wastewater at different ratios of nitrate to biomass by SOTO, O, SANCHEZ, O, ASPE, E, ROECKEL, M

“…Denitrification was studied in anoxic batch cultures of a simulated fish processing wastewater at 37 r C and pH 7.5, using a denitrifying enrichment culture…”
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The Effect of Volatile Fatty Acids on the Nitrification of a Saline Effluent by Delgado, A., Aspé, E., Martí, M.C., Roeckel, M.

“…Anaerobically produced volatile fatty acids (VFA) may affect the nitrification yield. The effect of the type of VFA (acetic, propionic and butyric acid) on…”
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Fat removal from process waters of the fish meal industry. A study of three flotation methods by Marti, M. Cristina, Roeckel, Marlene, Aspe, Estrella, Novoa, Manuel

“…Dissolved air flotation (DAF), column flotation and electroflotation were assayed as methods for fat removal from process waters (condensates) produced during…”
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Effect of ammonia on the methanogenic activity of methylaminotrophic methane producing Archaea enriched biofilm by Sossa, Katherine, Alarcón, Manuel, Aspé, Estrella, Urrutia, Homero

“…Ammonia is a metabolic product in the decomposition of protein wastes, and has a recognized inhibitory effect on methanogenesis; this effect has been slightly…”
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Nitrification rates in a saline medium at different dissolved oxygen concentrations by SANCHEZ, Omar, MARTI, Maria C, ASPC, Estrella, ROECKEL, Marlene

“…A kinetic study was carried out in a saline medium to assess the effect of O^sub 2^ on the two-step nitrification process: for the first nitritation step, 2-26…”
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Rate of ammonia oxidation in a synthetic saline wastewater by a nitrifying mixed-culture by Sánchez, Omar, Aspé, Estrella, Martí, María C, Roeckel, Marlene

“…Most of the kinetic studies on nitrification have been performed in diluted salts medium. In this work, the ammonia oxidation rate (AOR) was determined by…”
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Anaerobic treatment of fishery wastewater using a marine sediment inoculum by Aspé, Estrella, Marti, M.Cristina, Roeckel, Marlene

“…The effluent generated by the Chilean fishmeal industry during hydraulic unloading of fish from ships is high in organic load. After recycling and primary…”
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Growth of methylaminotrophic, acetotrophic and hydrogenotrophic methanogenic bacteria on artificial supports by Urrutia, H, Vidal, R, Baeza, M, Reyes, J E, Aspe, E

“…The efficiency of organic matter degradation in attached biomass reactors depends on the suitable selection of artificial support for the retention of…”
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The Effect of Sodium Chloride on the Two-Step Kinetics of the Nitrifying Process by Sánchez, Omar, Aspé, Estrella, Martí, María C., Roeckel, Marlene

“…Sodium chloride affects the transformation rate of several compounds in bioreactors. Most authors report a decrease in microorganism activity at increasing…”
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Nitrifying Biomass Acclimation to High Ammonia Concentration by Antileo, Christian, Aspé, Estrella, Urrutia, Homero, Zaror, Claudio, Roeckel, Marlene

“…Selection, acclimation, and kinetic characterization of a nitrifying microflora chosen from natural sources and capable of degrading total ammonia nitrogen…”
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