Benjamin Espinasse, PhD Research Scientist Center for the Environmental Implications of NanoTechnology (CEINT) Duke University benj@duke.edu Department of civil and environmental engineering Box 90287 Durham, North Carolina 27708, USA Tel : +1 (919) 660 5462 Fax : +1 (919) 660 5219  Researcher ID:  C-4847-2008

Membrane Filtration UF, NF, Side stream membrane bioreactor

Physico chemistry / process engineering

Education

2000-2003 - Ph.D. Process engineering, Laboratoire de Génie Chimique, Paul Sabatier University, Toulouse, France.

1999-2000 - M.S. Process engineering specialised in specific reactors and new separation processes, Université Paul Sabatier, Toulouse, France.

1998-1999 - M.S. Chemical Engineering / Physical Chemistry, McGill University, Montréal, Canada.

Professional Experience

Duke University, Research Scientist, Durham, North carolina, USA, 2006-present
Ecole des mines de Nantes Lecturer: Water and strategy 2006- present.
Houston, Texas, USA,  2005 –  2006
National Institute of Applied Sciences (INSA), Toulouse, France, 2005;Postdoctoral fellow under Pr. Corinne Cabassud:
Paul Sabatier University, France Toulouse,
Research Scientist / Lecturer 2003 – 2004
Research Assistant / Lecturer, Chemical Engineering Unit, under Pr. Pierre Aimar, 2000 – 2003
Lecturing Chemical Engineering (Masters students and undergraduates)

Research Assistant, under Pr. Helene Roux De Balmann, 2000

Mc Gill University, Montreal Canada
Internship, under Pr. M.A. Whitehead, 1998 – 1999

Publications in peer-reviewed journals

10 - Chudasama SL, Espinasse B, Hwang F, Qi R, Joglekar M, Afonina G, Wiesner MR, Welsby IJ, Ortel T, Arepally GM., Heparin modifies the immunogenicity of positively-charged proteins, 2010,  Blood. 2010 Sep 17. 

9 -  Kovochich, M; Espinasse, B; Auffan, M; et al., Comparative Toxicity of C-60 Aggregates toward Mammalian Cells: Role of Tetrahydrofuran (THF) Decomposition, 2009, ENVIRONMENTAL SCIENCE & TECHNOLOGY Volume: 43 Issue: 16 Pages: 6378-6384.

8 - M. R. Wiesner, E. M. Hotze, J. A. Brant and B. Espinasse; Nanomaterials as possible contaminants: the fullerene example; Water science and technology; 58, 3 (2008) 305-310.

7 - B. Espinasse, P. Bacchin, P. Aimar; Filtration method characterizing the reversibility of colloidal fouling layers at membrane surface: Analysis through critical flux and osmotic pressure; Journal of Colloid and Interface Science 320 (2008) 483–490.

6 - S. Suvarna, B. Espinasse, R. Qi, R. Lubica, M. Poncz, D. B. Cines, M. R. Wiesner, G. Arepally; 2007 Determinants of PF4/heparin Immunogenicity, Blood, 207-08-105098v1.

5 - B. Espinasse, E. M. Hotze, M. R. Wiesner, 2007, Transport of colloidal aggregates of C60 in porous media: effects of organic macromolecules, ionic composition and preparation method, ENVIRONMENTAL SCIENCE & TECHNOLOGY Volume: 41 Issue: 21 Pages: 7396-7402 Published: NOV 1 2007

4 - M. Espinosa Bouchot, B. Espinasse, C. Cabassud, 2006, Fouling effects and critical flux in relation with module design and aeration conditions for a side stream outside/in filtration system, Desalination, Volume 199, Issues 1-3

3 - Bacchin P., Espinasse, B., Bessiere, Y., Fletcher, D.F., Aimar, P. 2006. Numerical simulation of colloidal dispersion filtration: description of critical flux and comparison with experimental results. Desalination, 192, 74-81.

2 - Bacchin, P., Espinasse, B., Aimar, P., 2005. Distributions of critical flux: modeling, experimental analysis and consequences for cross-flow membrane filtration, Journal of Membrane Science, 250, 223-234.

1 - Espinasse, B., Bacchin, P., Aimar, P., 2002: On an experimental method to measure critical flux in ultrafiltration; Desalination, 146, 91-96.

Conference Proceeding Papers
Espinasse, B.; Brant, J.; Robichaud, C. ; Wiesner, M.R. ; Mobility of colloidal C60 aggregates in porous media: specific effect of ions, ionic strength and organic matter Particle Separation, 2007, Toulouse, France

Hotze, E.; Espinasse, B.; Brant, J. ; Robichaud, C. ; Wiesner, M.R. Factors influencing fullerenol characteristics and stability in water ; Particle Separation , 2007, Toulouse, France

Espinasse, B., Bacchin, P, Aimar, P., 2003. Détermination du flux critique: un outil pour la maîtrise du colmatage? Colloque intégration des membranes dans les procédés (MEMPRO), Proceedings Récent. prog. en génie procédés, 2, 483-491.

Espinasse, B., Bacchin, P., Aimar, P., 2002. Critical flux and membrane fouling during cross flow filtration of latex suspension; Proceedings ICOM (international Conference on Membrane & Membrane Technologies).

Apparition of work in the News

Finding secrets of small worlds

Alternative site 

Download PhD thesis (french version)

Téléchargement de le thèse de doctorat en version Française

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