Browsing by Author "Viñas Canals, Marc"
Now showing items 1-20 of 22
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Anaerobic digestion and electromethanogenic microbial electrolysis cell integrated system: Increased stability and recovery of ammonia and methane
(Elsevier Ltd, 2018-05-01)
Article
Open Access© 2017 Elsevier Ltd The integration of anaerobic digestion (AD) and a microbial electrolysis cell (MEC) with an electromethanogenic biocathode is proposed to increase the stability and robustness of the AD process against ... -
Assessment of active methanogenic archaea in a methanol-fed upflow anaerobic sludge blanket reactor
(2016-12-01)
Article
Open AccessMethanogenic archaea enrichment of a granular sludge was undertaken in an upflow anaerobic sludge blanket (UASB) reactor fed with methanol in order to enrich methylotrophic and hydrogenotrophic methanogenic populations. A ... -
Characterization of methanogenic biomass from a full-scale digester that might harbour SAO activity
(2015)
Conference lecture
Open AccessBiomass from a full-scale anaerobic digester treating nitrogen-rich wastes was characterized by methanogenic batch activity assays at different ammonia concentrations. SAO was demonstrated by isotopic 13C fractionation of ... -
Comparative assessment of raw and digested pig slurry treatment in bioelectrochemical systems
(2016-08)
Article
Open AccessBoth raw and anaerobically digested pig slurries were investigated in batch assays in two chambered bioelectrochemical systems (BES) run in Microbial Fuel Cell (MFC) and Microbial Electrolysis Cell (MEC) mode. Chemical ... -
Effects of enhanced denitrification on hydrodynamics and microbial community structure in a soil column system
(2014-03-01)
Article
Restricted access - publisher's policyEnhanced heterotrophic denitrification by adding glucose was investigated by means of a soil column experiment which simulated the groundwater flow. The carbon-to-nitrogen ratio was the main factor determining denitrification ... -
Electroactive biofilm adapted to a high nitrogen loads and electricity generation in a microbial fuel cell fed with pig slurries
(2012)
Conference lecture
Restricted access - author's decisionIn the present study, the anodic biofilm of two MFC reactors (MFC-1 and MFC-2) working at high ammonium loading rates were characterized in electrochemical and microbial terms. -
Feasibility of enriching anammox bacteria using sludge from two wastewater treatment plants
(2013)
Conference report
Open AccessAnaerobic ammonium oxidation (anammox) is a promising biotechnology suitable for the removal of nitrogen from wastewaters. A proper choice of the seeding sludge and operational conditions is critical when dealing with the ... -
How much of microbial genetic expression profile, depending on ammonia stress, the anaerobic digesters change?.
(2016)
Conference lecture
Open AccessBiomass from two full-scale anaerobic digester treating different wastes regarding to nitrogen concentrations and operating under different hydraulic retention time was characterized by methanogenic batch activity assays ... -
Improving anaerobic digestion stability, effluent quality and ammonia recovering with a microbial electrolysis cell integrated system
(2015)
Conference lecture
Open AccessAnaerobic digestion (AD) is nowadays widely used for processing various kinds of wastes, as livestock manure. Despite it is considered as a robust process, when it is performed at thermophilic range, beside a number of ... -
Influence of support materials on methanogenic biofilm formation in ammonia rich environments
(Internatinal Water Association (IWA), 2016)
Conference lecture
Restricted access - publisher's policyAmmonia is the main inhibitor of methanogenesis during the anaerobic digestion (AD) of protein-rich materials. Promoting biomass development as biofilm is a well-known strategy to overcome inhibition by toxic compounds in ... -
Las emisiones gaseosas en la explotación porcina: impactos ambientales y tecnologías de tratamiento
(2008)
Conference lecture
Restricted access - author's decisionLas emisiones gaseosas procedentes de las explotaciones ganaderas causan una importante afectación sobre la calidad del aire interior de las granjas y en el entorno de las mismas. En el caso de las explotaciones porcinas, ... -
Líneas de investigación del GIRO Centro Tecnológico
(2008)
Conference report
Restricted access - author's decisionEl GIRO Centro Tecnológico (acrónimo de Gestión Integral de Residuos Orgánicos) nació de la necesidad de integrar diversos campos del conocimiento, de actualización continuada de conocimiento científico y tecnológico, de ... -
Microbial community dynamics in two-chambered microbial fuel cells : effect of different ion exchange membranes
(2015-08-01)
Article
Open AccessBACKGROUND: The utilization of different kinds of ion exchange membrane is a common practice in bioelectrochemical systems such as two-chambered microbial fuel cells (MFCs). However, little is known about the effect of ... -
Microbial fuel cells for polishing effluents of anaerobic digesters under inhibition, due to organic and nitrogen overloads
(2017-12)
Article
Open AccessThe combination of the anaerobic digestion (AD) process with a microbial electrolysis cell (MEC) coupled to an ammonia stripping unit as a post-treatment was assessed both in series operation, to improve the quality of the ... -
Nitrogen removal in a two-chambered microbial fuel cell: Establishment of a nitrifying-denitrifying microbial community on an intermittent aerated cathode
(2016-01)
Article
Open AccessA microbial fuel cell (MFC) was used to study nitrogen dynamics and its feasibility for high strength wastewater treatment. Intermittent aeration was applied on the cathode chamber accomplishing the establishment of a ... -
Occurrence of perchlorate in groundwater samples from Catalonia
(2009)
Conference lecture
Restricted access - author's decisionThe perchlorate ion competitively blocks iodine from entering the thyroid gland, which may lead to a decrease in production of thyroid hormones (T3 and T4) that are essential for neurodevelopment (Wolff, J., 1998). ... -
Operational, design and microbial aspects related to power production with microbial fuel cells implemented in constructed wetlands
(2015-11-01)
Article
Open AccessThis work aimed at determining the amount of energy that can be harvested by implementing microbial fuel cells (MFC) in horizontal subsurface constructed wetlands (HSSF CWs) during the treatment of real domestic wastewater. ... -
Overcoming organic and nitrogen overload in thermophilic anaerobic digestion of pig slurry by coupling a microbial electrolysis cell
(2016-09)
Article
Open AccessThe combination of the anaerobic digestion (AD) process with a microbial electrolysis cell (MEC) coupled to an ammonia stripping unit as a post-treatment was assessed both in series operation, to improve the quality of the ... -
Removal of volatile fatty acids and ammonia recovery from unstable anaerobic digesters with a microbial electrolysis cell
(2016-11-01)
Article
Open AccessContinuous assays with a microbial electrolysis cell (MEC) fed with digested pig slurry were performed to evaluate its stability and robustness to malfunction periods of an anaerobic digestion (AD) reactor and its feasibility ... -
Startup of electromethanogenic microbial electrolysis cells with two different biomass inocula for biogas upgrading
(American Chemical Society (ACS), 2017-09-07)
Article
Open AccessThe performance and biomass enrichment of the biocathode of a pair of lab-scale two-chambered microbial electrolysis cells (MEC) were assessed for 95 days as a technology for upgrading the biogas produced in anaerobic ...
