Eva Fernandez-Palacios

Eva Fernandez-Palacios
Autonomous University of Barcelona | UAB

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8
Publications
4,367
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23
Citations

Publications

Publications (8)
Article
Full-text available
Sulfate-reducing bioreactors for sulfide production are the initial stage of processes targeting elemental sulfur recovery from sulfate-rich effluents. In this work, the principal reactions involved in glycerol fermentation and sulfate reduction using glycerol and its fermentation products as electron donors were assessed together with their specif...
Article
Full-text available
In this study, the long-term performance and microbial dynamics of an Upflow Anaerobic Sludge Blanket (UASB) reactor targeting sulfate reduction in a SOx emissions treatment system were assessed using crude glycerol as organic carbon source and electron donor under constant S and C loading rates. The reactor was inoculated with granular sludge obta...
Article
A bioscrubbing process named SONOVA has been developed, tested and assessed herein to valorize flue gases containing SOx. The process consists in a first scrubbing stage, to absorb and oxidize SO2 to sulfate, followed by a two-step biological stage. It consists of (1) an up-flow anaerobic sludge (UASB) reactor to reduce sulfate to sulfide with crud...
Article
SOx contained in flue gases and S-rich liquid effluents can be valorized to recover elemental sulfur in a two-stage bioscrubbing process. The reduction of sulfate to sulfide is the most crucial stage to be optimized. In this study, the long-term performance of an up-flow anaerobic sludge blanket (UASB) reactor using crude glycerol as electron donor...
Conference Paper
Full-text available
The main impact of olive mill wastes stored in open reservoirs is the emanation of unpleasant odorous substances. This manuscript focuses on the study of Alperujo and Orujo, two wastes that behave as sediments when stored in open pools. The aim was to monitor the changes in then physical-chemical parameters (ash. humidity, phenols. pH, proteins, fi...
Poster
The treatment of SOx contained in flue gases generates S-rich liquid effluents that can be valorized through a two-stage biological process. The first stage consists of reducing sulfate to sulfide to be partially oxidized to sulfur in a second stage. The first biological stage is catalyzed by sulfate-reducing bacteria (SRB) and can be performed und...
Conference Paper
Biological treatment of sulfate-laden wastewater consists of two separate reactors to reduce sulfate to sulphide and to oxidize sulphide to sulfur. The first biological step catalyzed by sulfate-reducing bacteria (SRB) was performed in a UASB in which sulfate was reduced with crude glicerol. The process was studied during 250 days with different su...
Poster
Two upflow anaerobic sludge blanket reactors were used to treat sulfate with crude glycerol as carbon source. UASB-1 was operated for 260 days with a SLR of 135±16 mg S L-1 h-1 an a TOC/S ratio ranging from 0.8 to 2.8. A sharp diminishment of the OLR followed by a pH shock caused a complete degranulation of the biomass which was not recovered in 4...

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