Encontrados 17 documentos, a visualizar página 1 de 2
Submersible microbial fuel cell-based biosensor for in situ BOD monitoring
Peixoto, L.; Min, B.; Brito, A. G.; Kroff, P.; Parpot, Pier; Angelidaki, I.; Nogueira, R.
Bio4gas : evaluation and analysis of wastewater treatment facilities in the sco...
Dias, S. (Simão); Teixeira, E. (Eliana); Laia, C.; Kroff, P.; Nogueira, R.; Brito, A. G.The present work presents some of the results of five reports developed in the scope of optimization feasibility studies carried out at 6 small- and medium-sized wastewater treatment plants (WWTP) in Portugal. These 6 WWTP are operated by five companies that belong to the Águas de Portugal holding. The objective of the studies was twofold: to assess to which extent the production of biogas could be increased by...
Comparative study of the performance of different anodic materials in a microbi...
Peixoto, L.; Nogueira, R.; Brito, A. G.; Kroff, P.; Parpot, Pier
Geobacter sulfurreducens as mediator for redox reactions : cyclic voltammetric ...
Peixoto, L.; Nogueira, R.; Brito, A. G.; Kroff, P.; Parpot, Pier
Electronic transference assessment in a geobacter sulfurreducens fuel cell
Peixoto, L.; Machado, A. Patrícia; Nogueira, R.; Brito, A. G.; Kroff, P.; Parpot, Pier
Bio4gas : evaluation and analysis of wastewater treatment facilities in the sco...
Kroff, P.; Dias, S. (Simão); Teixeira, E. (Eliana); Laia, C.; Nogueira, R.; Brito, A. G.The present work presents some of the results of five reports developed in the scope of optimization feasibility studies carried out at 6 small- and medium-sized wastewater treatment plants (WWTP) in Portugal. These 6 WWTP are operated by five companies that belong to the Águas de Portugal holding. The objective of the studies was twofold: to assess to which extent the production of biogas could be increased by...
Quantitative image analysis as a diagnostic tool for identifying structural cha...
Araya-Kroff, P.Tese de Doutoramento em Engenharia Química e Biológica ; In this thesis quantitative image analysis techniques were applied to monitor structural changes of anaerobic sludge under different operating conditions. In a first experiment that lasted 177 days, the phenomenon of aggregation of dispersed sludge was quantitatively monitored through the recognition and quantification of aggregates and free filaments. F...
Quantitative image analysis as a diagnostic tool for identifying structural cha...
Abreu, A. A.; Costa, J. C.; Araya-Kroff, P.; Ferreira, E. C.; Alves, M. M.Due to unspecified operational problems, the specific acetoclastic activity (SAA) of the anaerobic granular sludge present in an industrial UASB reactor was considerably damaged (from 250 to less than 10mL CH4@STP/gVSS.d), significantly reducing the biogas production of that industrial unit. The hydrogenotrophic methanogenic activity exhibited a value of 600mL CH4@STP/gVSS.d, the settling velocity was 31.479.8 ...
Electroactivity of Geobacter sulfurreducens evaluated by cyclic voltammetry
Peixoto, L.; Nogueira, R.; Brito, A. G.; Póvoa, C.; Kroff, P.; Parpot, Pier
Análisis de imagen para la cuantificación de cambios morfológicos en biomasa gr...
Araya-Kroff, P.; Amaral, A. L.; Mota, M.; Ferreira, E. C.; Alves, M. M.Cuatro reactores EGSB (R1-R4) fueron operados a velocidades de carga orgánica de 10 kgCOD/(m³.d), tiempos de retención hidráulicos de 3.6 h, velocidades superficiales de 10 m/h y diferentes concentraciones de nitrato a la entrada, 0, 20, 60 y 100 mgN-NO3-/L en R1, R2, R3 and R4, respectivamente. Después de 20 días de operación continua, la biomasa granular fue caracterizada en términos de: (i) morfología por an...
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