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Maître de conférences
EAD9 : Symbiose
+33 (0) 561559763
INSA de Toulouse
135 avenue de Rangueil
31077 Toulouse cedex 4 - FRANCE
yolaine.bessiere @ insa-toulouse.fr



Academic Qualification

2000: Master in physico-chemical processes from Université Paul Sabatier, Toulouse, France

2002: Graduated in chemical engineering from ENSIACET, Toulouse, France

2005: PhD in Chemical engineering and environment from the University Paul Sabatier, Toulouse, France. “Filtration frontale sur membrane: mise en évidence du volume filtré critique pour l’anticipation et la maîtrise du colmatage » 

Professional Experiences

Since oct. 2007: Assistant professor at the National Institute of Applied Sciences in the Department of Chemical and Environmental Engineering.



Research Topics

Field of research: biological treatment and valorization of wastewaters

  • Physical characterization of aggregates (flocs, granular sludge, biofilm)
  • Modeling biological processes in densified aggregates (microbial population distribution in regards with transport limitation phenomena)

Funding programmes

ANR PRECODD : BIOFiME (2009-2011) Maîtrise Intégrée des BIOfilms Papetiers par Actions Combinées à Faible IMpact Environnemental

Industrial contract : Total (2010-2013)

Industrial contract : SUEZ (2014-2018)

ANR ECO-TS : CHWWEPS (2013-2018) CarboHydrate from WasteWater to ExoPolySaccharide : Waste and effluent Carbohydrate Valorization for the Production of ExoPolysaccharides of commercial interest




Assistant professor at INSA Toulouse:

-      Chemical engineering

-      Thermodynamics

-      Mass transfer

-      Biological processes




"Enrichment and adaptation yield high anammox conversion rates under low temperatures". Bioresource Technology 250 (2018): 505–512.

De Cocker P, Bessiere Y, Hernandez-Raquet G, Dubos S, Mozo I, Gaval G, Caligaris M, Barillon B, Vlaeminck SE, Sperandio M.


"Hydrolysis of particulate settleable solids (PSS) in activated sludge is determined by the bacteria initially adsorbed in the sewage”Water Research, 125(2017) 400-409

M. Benneouala, Y. Bareha, E.  Mengelle, M. Bounouba, M. Sperandio, Y. Bessiere, E.  Paul,


"Impact of sonication on activated sludge properties and consequences on PAH partitioning" Canadian Journal of Chemical Engineering, 94(2016) 244-252

I. Mozo, N. Lesage, M. Sperandio, Y. Bessiere


"Dynamic modelling of biodegradation and volatilization of hazardous aromatic substances in aerobic bioreactor" Water Research, 46 (2012) 5327-5342

I. Mozo, G. Lesage, J. Yin, Y. Bessiere, L. Barna, M. Sperandio


"Combining hydrodynamic and enzymatic treatments to improve multi-species thick biofilm removal" Chemical Engineering Science, 80 (2012), 109–118.

            Y. Pechaud, C.E.  Marcato-Romain, E.  Girbal-Neuhauser, I. Queinnec, Y. Bessiere, and E. Paul.


"Stability and performance of two GSBR operated in alternating anoxic/aerobic or anaerobic/aerobic conditions for nutrient removal" Biochemical Engineering Journal, 67(2012), 10–19.

A. Filali, A. Mañas, M. Mercade, Y. Bessière, B. Biscans, and M. Spérandio.


"Effects of oxygen concentration on the nitrifying activity of an aerobic hybrid granular sludge reactor” Water Science and Technology 65 (2012) 289-295

A. Filali, Y. Bessiere, M. Spérandio


"Evolution of bioaggregate strength during aerobic granular sludge formation” Biochemical Engineering Journal 58-59 (2011) 69-78

J-F. Wan, I. Mozo, A. Filali, A. Liné, Y. Bessiere, M. Spérandio


"Alternating anoxic feast/aerobic famine condition for improving granular sludge formation in sequencing batch airlift reactor at reduced aeration rate” Water Research 43 (2009) 5097-5108

J-F. Wan, Y. Bessiere, M. Spérandio


"Effect of hydrophilic/hydrophobic fractions of natural organic matter on irreversible fouling of membranes” Desalination 249 (2009) 182-187

Y. Bessiere, E. Ghoslan, B. Jefferson, P. Bacchin


"Coupling air-assisted backwash and rinsing steps: a new way to improve ultrafiltration process operation for inside-out hollow fibre modules” Desalination 240 (2009) 71-77

Y. Bessiere, C. Guigui, P-J. Remizes, C. Cabassud


"Numerical simulation of colloid dead-end filtration: Effect of membrane characteristics and operating conditions on matter accumulation” Journal of Membrane Science 313 (2008) 52-59

Y. Bessiere, D.F. Fletcher, P. Bacchin


"Numerical simulation of colloidal dispersion filtration. Description of critical flux and comparison with experimental results” Desalination 192 (2006) 74-81

P. Bacchin, B. Espinasse, Y. Bessiere, D.F. Fletcher, P. Aimar


"Dead-end filtration of natural organic matter: experimental evidence for critical conditions" Desalination 175 (2005) 29-36

Y. Bessiere, P. Bacchin, B. Jefferson


"Low fouling conditions in dead-end filtration: evidence for a critical filtered volume and interpretation using critical osmotic pressure" Journal of Membrane Science 264 (2005) 37-47

Y. Bessiere, N. Abidine, P. Bacchin


“Filtration of biological sludge by immersed hollow-fiber membranes: influence of initial permeability – choice of operating conditions"Desalination 146 (2002) 427-431

C. Albasi, Y. Bessiere, S. Desclaux, J.C. Remigy