Browsing by Author "Cerrillo Moreno, Míriam"
Now showing items 1-18 of 18
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Ammonium and phosphate recovery in a three chambered microbial electrolysis cell: towards obtaining struvite from livestock manure
(2021-10-27)
Article
Open AccessAmmonia and phosphate, which are present in large quantities in waste streams such as livestock manure, are key compounds in fertilization activities. Their recovery will help close natural cycles and take a step forward ... -
Anaerobic digestion and bioeletrochemical systems combination for energy and nitrogen recovery optimisation
(Universitat Politècnica de Catalunya, 2016-10-27)
Doctoral thesis
Open AccessAnaerobic digestion (AD) is a widespread technology for treating high strength waste streams, such as livestock manure. AD has some limitations: i) high nutrient concentrations in effluents (especially nitrogen and ... -
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 ... -
Biogas upgrading and ammonia recovery from livestock manure digestates in a combined electromethanogenic biocathode—hydrophobic membrane system
(2021-01-02)
Article
Open AccessAnaerobic digestion process can be improved in combination with bioelectrochemical systems in order to recover energy and resources from digestates. An electromethanogenic microbial electrolysis cell (MEC) coupled to an ... -
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 ... -
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. -
Hydrophobic membranes for ammonia recovery from digestates in microbial electrolysis cells: Assessment of different configurations
(Elsevier, 2021-08)
Article
Open AccessThe combination of hydrophobic membranes and microbial electrolysis cells (MEC) was assessed in two different configurations in order to recover ammonia from anaerobically digested pig slurry. Politetrafluorethilene ... -
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 ... -
In-situ methane enrichment in continuous anaerobic digestion of pig slurry by zero-valent iron nanoparticles addition under mesophilic and thermophilic conditions
(2021-12)
Article
Open AccessThe effect of zero-valent iron nanoparticles (nZVI) addition on methane production during anaerobic digestion of pig slurry was assessed. Experiments were conducted using two experimental set-ups: batch and long-term ... -
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 ... -
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 ... -
Sedimentation monitoring of the active biomass in bioreactors by electrical impedance spectroscopy
(2020)
Conference report
Open AccessSequencing batch reactors are used in wastewater treatment to produce biogas (methane). Currently, when biogas production ceases the active sludge sedimentation process is not monitored but operated on a fixed time basis. ... -
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 ... -
Struvite precipitation as a technology to be integrated in a manure anaerobic digestion treatment plant - removal efficiency, crystal characterization and agricultural assessment
(2015-06-01)
Article
Restricted access - publisher's policyBACKGROUNDThe formation of struvite (MgNH4PO4 6H(2)O) from digested slurry is an opportunity to recover nutrients as a slow-release fertilizer. A series of batch and continuous experiments were conducted to assay the ... -
Unravelling the active microbial community in a thermophilic anaerobic digester-microbial electrolysis cell coupled system under different conditions
(2017-03)
Article
Open AccessThermophilic anaerobic digestion (AD) of pig slurry coupled to a microbial electrolysis cell (MEC) with a recirculation loop was studied at lab-scale as a strategy to increase AD stability when submitted to organic and ...
