Javier Guerrero

Javier Guerrero
Autonomous University of Barcelona | UAB · Department of Chemical Engineering

Chemical Engineer, PhD Student

About

16
Publications
2,132
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556
Citations

Publications

Publications (16)
Article
Bioelectrochemical hydrogen production has been successfully achieved in laboratory-scale conditions with different substrates. However, scaling up microbial electrolysis cells (MECs) is not straightforward, and reported attempts have not been completely successful. This work presents the design, building, start-up and operation of an MEC pilot pla...
Article
This work proposes a new SBR configuration to recover P from the water line: enhanced biological phosphorus removal and recovery (EBPR²). The main objective is evaluating its feasibility using modelling techniques in view of its optimization. The new EBPR² configuration adds an anaerobic settling phase to the classical anaerobic/aerobic sequence to...
Article
2-Bromoethanesulfonate (BES) is the most reported chemical inhibitor for methanogenesis in laboratory-scale bioelectrochemical systems. However, there is doubt about BES's long-term effectiveness in microbial fuel cells (MFCs). We observed BES degradation in MFCs, whereas not in microbial electrolysis cells (MECs). Our results suggest that BES degr...
Article
Enhanced Biological Phosphorus Removal (EBPR) failure due to nitrate/nitrite presence in the anaerobic reactor is a common problem in full-scale WWTPs aiming at simultaneous C/N/P removal. This work evaluates the performance of two common EBPR configurations (A2/O and JHB) under normal conditions and under two detrimental scenarios: i) increase of...
Article
This work shows the development and the in silico evaluation of a novel control strategy aiming at successful biological phosphorus removal in a wastewater treatment plant operating in an A(2)/O configuration with carbon-limited influent. The principle of this novel approach is that the phosphorus in the effluent can be controlled with the nitrate...
Article
This paper describes a modelling study where five new benchmark plant design configurations for biological nutrient removal (A(2)/O, UCT, JHB, MUCT and BDP-5 stage) are simulated and evaluated under different model assumptions. The ASM2d including electron dependent decay rates is used as the reference model (A1). The second case (A2) adds nitrite...
Article
The presence of suitable carbon sources for enhanced biological phosphorus removal (EBPR) plays a key role in phosphorus removal from wastewater in urban WWTP. For wastewaters with low volatile fatty acids (VFAs) content, an external carbon addition is necessary. As methanol is the most commonly external carbon source used for denitrification it co...
Article
This work aims at optimising the performance of WWTP with simultaneous biological C, N and P removal by improving its automatic control system. The success of control strategies is highly dependent on the selected operational setpoints of the controlled variables. These setpoints should be optimised to achieve the best effluent quality with the low...
Article
The interaction between enhanced biological phosphorus removal (EPBR) and biological nitrogen removal may result in EBPR failure in full-scale wastewater treatment plants (WWTPs). This work studies one of the common causes of this failure: the presence of nitrate in the anaerobic phase, which may act as an inhibitor for polyphosphate accumulating o...
Article
The presence of nitrate in the theoretical anaerobic reactor of a municipal WWTP aiming at simultaneous C, N and P removal usually leads to Enhanced Biological Phosphorus Removal (EBPR) failure due to the competition between PAO and denitrifiers for organic substrate. This problem was studied in a continuous anaerobic-anoxic-aerobic (A2/O) pilot pl...
Article
Consortium Glycerol Polyphosphate accumulating organisms (PAO) Volatile fatty acids (VFA) a b s t r a c t Wastewaters with low organic matter content are one of the major causes of EBPR failures in full-scale WWTP. This carbon source deficit can be solved by external carbon addition and glycerol is a perfect candidate since it is nowadays obtained...
Article
The aim of this work was the improvement of a WWTP control system using a model-based setpoint optimisation. For this purpose, an anaerobic/anoxic/aerobic (A2/O) pilot WWTP was simulated using the IWA ASM2d model under different influent conditions. Several control strategies for an efficient biological C/N/P removal were evaluated in this WWTP: i)...

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