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Journal Articles

Validating the Colloid model to optimise the design and operation of both moving-bed biofilm reactor and integrated fixed-film activated sludge systems

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J. Albizuri, P. Grau, M. Christensson, L. Larrea
Water Sci Technol (2014) 69 (7): 1552–1557.
DOI: https://doi.org/10.2166/wst.2014.058
Date Online: 03 February 2014
View articletitled, Validating the Colloid model to optimise the design and operation of both moving-bed biofilm reactor and integrated fixed-film activated sludge systems View PDF for article titled, Validating the Colloid model to optimise the design and operation of both moving-bed biofilm reactor and integrated fixed-film activated sludge systems
Journal Articles

Extended mixed-culture biofilms (MCB) model to describe integrated fixed film/activated sludge (IFAS) process behaviour

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J. Albizuri, M. C. M. van Loosdrecht, L. Larrea
Water Sci Technol (2009) 60 (12): 3233–3241.
DOI: https://doi.org/10.2166/wst.2009.612
Date Online: 01 December 2009
View articletitled, Extended mixed-culture biofilms (MCB) model to describe integrated fixed film/activated sludge (IFAS) process behaviour View PDF for article titled, Extended mixed-culture biofilms (MCB) model to describe integrated fixed film/activated sludge (IFAS) process behaviour
Journal Articles

Standard signal processing using enriched sensor information for WWTP monitoring and control

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I. Irizar, J. Alferes, L. Larrea, E. Ayesa
Water Sci Technol (2008) 57 (7): 1053–1060.
DOI: https://doi.org/10.2166/wst.2008.139
Date Online: 01 April 2008
View articletitled, Standard signal processing using enriched sensor information for WWTP monitoring and control View PDF for article titled, Standard signal processing using enriched sensor information for WWTP monitoring and control
Journal Articles

Optimizing and modelling nitrogen removal in a new configuration of the moving-bed biofilm reactor process

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L. Larrea, J. Albizuri, A. Abad, A. Larrea, G. Zalakain
Water Sci Technol (2007) 55 (8-9): 317–327.
DOI: https://doi.org/10.2166/wst.2007.273
Date Online: 01 April 2007
View articletitled, Optimizing and modelling nitrogen removal in a new configuration of the moving-bed biofilm reactor process View PDF for article titled, Optimizing and modelling nitrogen removal in a new configuration of the moving-bed biofilm reactor process
Journal Articles

Design and operation of SBR processes for small plants based on simulations

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L. Larrea, J. Albizuri, I. Irizar, J.M. Hernández
Water Sci Technol (2007) 55 (7): 163–171.
DOI: https://doi.org/10.2166/wst.2007.141
Date Online: 01 April 2007
View articletitled, Design and operation of SBR processes for small plants based on simulations View PDF for article titled, Design and operation of SBR processes for small plants based on simulations
Journal Articles

Optimizing nitrogen removal in the BioDenitro process

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I. Irizar, J. Suescun, F. Plaza, L. Larrea
Water Sci Technol (2004) 48 (11-12): 429–436.
DOI: https://doi.org/10.2166/wst.2004.0891
Date Online: 01 December 2004
View articletitled, Optimizing nitrogen removal in the BioDenitro process View PDF for article titled, Optimizing nitrogen removal in the BioDenitro process
Journal Articles

Improving nitrogen removal in predenitrification-nitrification biofilters

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L. Larrea, A. Abad, J. Gayarre
Water Sci Technol (2004) 48 (11-12): 419–428.
DOI: https://doi.org/10.2166/wst.2004.0890
Date Online: 01 December 2004
View articletitled, Improving nitrogen removal in predenitrification-nitrification biofilters View PDF for article titled, Improving nitrogen removal in predenitrification-nitrification biofilters
Journal Articles

Improving the predictions of ASM2d through modelling in practice

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L. Larrea, I. Irizar, M.E. Hildago
Water Sci Technol (2002) 45 (6): 199–208.
DOI: https://doi.org/10.2166/wst.2002.0107
Date Online: 01 March 2002
View articletitled, Improving the predictions of ASM2d through modelling in practice View PDF for article titled, Improving the predictions of ASM2d through modelling in practice
Journal Articles

New simulators for the optimum management and operation of wastewater treatment plant

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E. Ayesa, G. Garralon, A. Rivas, J. Suescun, L. Larrea ...
Water Sci Technol (2001) 44 (2-3): 1–8.
DOI: https://doi.org/10.2166/wst.2001.0746
Date Online: 01 July 2001
View articletitled, New simulators for the optimum management and operation of wastewater treatment plant View PDF for article titled, New simulators for the optimum management and operation of wastewater treatment plant
Journal Articles

Development and verification of design and operation criteria for the step feed process with nitrogen removal

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L. Larrea, A. Larrea, E. Ayesa, J. C. Rodrigo, M. D. Lopez-Carrasco ...
Water Sci Technol (2001) 43 (1): 261–268.
DOI: https://doi.org/10.2166/wst.2001.0056
Date Online: 01 January 2001
View articletitled, Development and verification of design and operation criteria for the step feed process with nitrogen removal View PDF for article titled, Development and verification of design and operation criteria for the step feed process with nitrogen removal
Journal Articles

Selection of operational strategies in activated sludge processes based on optimization algorithms

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E. Ayesa, B. Goya, A. Larrea, L. Larrea, A. Rivas
Water Sci Technol (1998) 37 (12): 327–334.
DOI: https://doi.org/10.2166/wst.1998.0558
Date Online: 01 June 1998
View articletitled, Selection of operational strategies in activated sludge processes based on optimization algorithms View PDF for article titled, Selection of operational strategies in activated sludge processes based on optimization algorithms
Journal Articles

Observability of reduced order models - application to a model for control of alpha process

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E. Ayesa, G. Oyarbide, L. Larrea, J. L. Garciía-Heras
Water Sci Technol (1995) 31 (2): 161–170.
DOI: https://doi.org/10.2166/wst.1995.0094
Date Online: 01 January 1995
View articletitled, Observability of reduced order models - application to a model for control of alpha process View PDF for article titled, Observability of reduced order models - application to a model for control of alpha process
Journal Articles

Performance and model calibration of R-D-N processes in pilot plant

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A. de la Sota, L. Larrea, L. Novak, P. Grau, M. Henze
Water Sci Technol (1994) 30 (6): 355–364.
DOI: https://doi.org/10.2166/wst.1994.0286
Date Online: 01 September 1994
View articletitled, Performance and model calibration of R-D-N processes in pilot plant View PDF for article titled, Performance and model calibration of R-D-N processes in pilot plant
Journal Articles

Non-Filamentous Activated Sludge Bulking Caused by Zoogloea

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L. Novák, L. Larrea, J. Wanner, J. L. García-Heras
Water Sci Technol (1994) 29 (7): 301–304.
DOI: https://doi.org/10.2166/wst.1994.0355
Date Online: 01 April 1994
View articletitled, Non-Filamentous Activated Sludge Bulking Caused by Zoogloea View PDF for article titled, Non-Filamentous Activated Sludge Bulking Caused by Zoogloea
Journal Articles

Evaluation of Sensitivity and Observability of the State Vector for System Identification and Experimental Design

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E. Ayesa, J. Flórez, L. Larrea, J. L. García-Heras
Water Sci Technol (1993) 28 (11-12): 209–218.
DOI: https://doi.org/10.2166/wst.1993.0660
Date Online: 01 December 1993
View articletitled, Evaluation of Sensitivity and Observability of the State Vector for System Identification and Experimental Design View PDF for article titled, Evaluation of Sensitivity and Observability of the State Vector for System Identification and Experimental Design
Journal Articles

Designing Experiments to Determine the Coefficients of Activated Sludge Models by Identification Algorithms

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L. Larrea, J. L. García-Heras, E. Ayesa, J. Florez
Water Sci Technol (1992) 25 (6): 149–165.
DOI: https://doi.org/10.2166/wst.1992.0120
Date Online: 01 March 1992
View articletitled, Designing Experiments to Determine the Coefficients of Activated Sludge Models by Identification Algorithms View PDF for article titled, Designing Experiments to Determine the Coefficients of Activated Sludge Models by Identification Algorithms
Journal Articles

State and Coefficients Estimation for the Activated Sludge Process Using a Modified Kalman Filter Algorithm

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E. Ayesa, J. Florez, J. L. García-Heras, L. Larrea
Water Sci Technol (1991) 24 (6): 235–247.
DOI: https://doi.org/10.2166/wst.1991.0162
Date Online: 01 September 1991
View articletitled, State and Coefficients Estimation for the Activated Sludge Process Using a Modified Kalman Filter Algorithm View PDF for article titled, State and Coefficients Estimation for the Activated Sludge Process Using a Modified Kalman Filter Algorithm
Journal Articles

Kraft Lignin Behaviour in Diffused Aeration of Kraft Effluents

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L. Larrea, C. F. Forster, D. Melé
Water Sci Technol (1989) 21 (4-5): 241–253.
DOI: https://doi.org/10.2166/wst.1989.0227
Date Online: 01 April 1989
View articletitled, Kraft Lignin Behaviour in Diffused Aeration of Kraft Effluents View PDF for article titled, Kraft Lignin Behaviour in Diffused Aeration of Kraft Effluents