Effect of hydrodynamics during sol-gel synthesis of TiO2 nanoparticles: From morphology to photocatalytic properties

Chemical Engineering Research and Design

Volumn 91, Issue 12, 2013, Pages 2389-2400

  Hatat Fraile, Mélisa ^a   Mendret, Julie ^a   Rivallin, Matthieu ^a   Brosillon, Stephan ^a  

^a UNIVERSITÉ DE MONTPELLIER   (France)

Author keywords

Mixing; Photocatalysis; Sol gel synthesis; Titanium dioxide; Water treatment

Indexed keywords

MIXING CHARACTERISTICS; PHOTOCATALYTIC ACTIVITIES; PHOTOCATALYTIC PROPERTY; PRIMARY PARTICLE SIZE; SOL-GEL SYNTHESIS; TITANIA NANO-PARTICLES; TITANIUM DIOXIDE NANOPARTICLES; TURBULENCE PROMOTERS;

ALUMINA; COMPUTATIONAL FLUID DYNAMICS; HYDRODYNAMICS; MIXERS (MACHINERY); MIXING; NANOPARTICLES; PHOTOCATALYSIS; SOL-GEL PROCESS; TITANIUM DIOXIDE; WATER TREATMENT;

SYNTHESIS (CHEMICAL);

EID: 84889102466     PISSN: 02638762     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cherd.2013.04.022     Document Type: Article

References (51)

1. 2 Wackherr and Degussa P25 in the photocatalytic degradation of picloram. Appl. Catal. B 2011, 105:191-198.
2. 2 photocatalytic films on the detoxification of water contaminated with the cyanotoxin, microcystin-LR. Appl. Catal. B 2009, 91:165-173.
3. 2 nanoparticles in sol-gel reactor with turbulent micromixing: application to nanocoatings and photocatalysis. Chem. Eng. Res. Des. 2010, 88:1123-1130.
4. 2. J. Photochem. Photobiol. A 2001, 140:87-92.
5. Bothe D., Stemich C., Warnecke H.-J. Fluid mixing in a T-shaped micro-mixer. Chem. Eng. Sci. 2006, 61:2950-2958.
6. Brosillon S., Lhomme L., Vallet C., Bouzaza A., Wolbert D. Gas phase photocatalysis and liquid phase photocatalysis: interdependence and influence of substrate concentration and photon flow on degradation reaction kinetics. Appl. Catal. B 2008, 78:232-241.
7. Chebli D., Fourcade F., Brosillon S., Nacef S., Amrane A. Integration of photocatalysis and biological treatment for azo dye removal - application to AR183. Environ. Technol. 2011, 32:507-514.
8. Comninellis A., Kapalka A., Malato S., Parsons S.A., Poulios I., Mantzavinos D. Advanced oxidation processes for water treatment: advances and trends for R&D. J. Chem. Technol. Biotechnol. 2008, 83:769-776.
9. 2 thin films: a kinetic study on the influence of water vapor. Appl. Catal. B 2003, 43:329-344.
10. Faisal M., Tariq M.A., Khan A., Umar K., Muneer M. Photochemical reactions of 2,4-dichloroaniline and 4-nitroanisole in aqueous suspension of titanium dioxide. Sci. Adv. Mater. 2011, 3:269-275.
11. 2 Photocatalysis Fundaments and Applications 1999, BKC Inc., Tokyo.
12. Gradl J., Schwarzer H.S., Schwertfirm F., Manhart M., Peukert W. Precipitation of nanoparticles in a T-mixer: coupling the particle population dynamics with hydrodynamics. Chem. Eng. Process. 2006, 45:908-916.
13. 2 photocatalyst powder via sol-gel method: effect of hydrolysis degree on powder properties. Int. J. Photoenergy 2009, 10.1155/2009/962783.
14. Harris M.T., Byers H. Effect of solvent on the homogeneous precipitation of titania by titanium ethoxide hydrolysis. J. Non-Cryst. Solids 1988, 103:49-64.
15. Hatat Fraile Etude des méthodes d'élaboration et de la mise en œuvre de photocatalyseurs pour le traitement de la micro-pollution bio-réfractaire dans l'eau 2013, Université Montpellier 2, France, (PhD thesis).
16. 2 photocatalysis. Surf. Sci. Rep. 2011, 66:185-297.
17. 2-assisted photocatalytic degradation of azo dyes in aqueous solution: kinetic and mechanistic investigations. A review. Appl. Catal. B 2004, 49:1-14.
18. Lhomme L., Brosillon S., Wolbert D., Dussaud J. Photocatalytic degradation of phenylurea, chlortoluron, in water using an industrial titanium dioxide coated media. Appl. Catal. B 2005, 61:227-235.
19. Lhomme L., Brosillon S., Wolbert D. Photocatalytic degradation of a triazole pesticide, cyproconazole, in water. J. Photochem. Photobiol. A 2006, 188:34-42.
20. 2 on its optical property and photocatalytic reactivity exemplified by 2-chlorophenol. J. Phys. Chem. B 1998, 102:10871-10878.
21. 2. Appl. Catal. B 2011, 104:353-360.
22. Liu Y., Fox R.O. CFD predictions for chemical processing in a confined impinging-jets reactor. AIChE J. 2005, 52:731-744.
23. Marchisio D.L., Rivautella L., Barresi A. Design and scale-up of chemical reactors for nanoparticles precipitation. AIChE J. 2006, 52:1877-1887.
24. Marchisio D.L., Omegna F., Barresi A.A., Bowen P. Effect of mixing and other operating parameters in sol-gel processes. Ind. Eng. Chem. Res. 2008, 47:7202-7210.
25. 2 nanoparticles with controlled characteristics by means of a vortex reactor. Chem. Eng. J. 2009, 146:456-465.
26. 2. J. Hazard. Mater. 2012, 211/212:182-187.
27. Molinari R., Borgese M., Drioli E., Palmisano L., Schiavello M. Hybrid processes coupling photocatalysis and membranes for degradation of organic pollutants in water. Catal. Today 2002, 75:77-85.
28. Molinari R., Caruso A., Poerio T. Direct benzene conversion to phenol in a hybrid photocatalytic membrane reactor. Catal. Today 2009, 144:81-86.
29. Nagasawa H., Tsujiuchi T., Maki T., Mae K. Controlling fine particle formation processes using a concentric microreactor. AIChE J. 2007, 53:196-206.
30. 2 photocatalysis: new materials and recent applications. Electrochim. Acta 2012, 84:103-111.
31. Oturan M.A., Oturan N., Edelahi M.C. Oxidative degradation of herbicide diuron in aqueous medium by Fenton's reaction based advanced oxidation processes. Chem. Eng. J. 2011, 171:127-135.
32. 2-coated foams. Sol. Energy. Mater. Sol. Cells 2011, 95:2437-2442.
33. Poling J.P., Prausnitz J.M., O'Connell J. The Properties of Gazes and Liquids 2004, McGraw Hill, New-York.
34. 2 sols immobilized on porous silica as new efficient photocatalyst. Appl. Catal. A 2007, 332:297-303.
35. Rivallin M., Benmami M., Gaunand A., Kanaev A. Temperature dependence of the titanium oxide sols precipitation kinetics in the sol-gel process. Chem. Phys. Lett. 2004, 398:157-162.
36. Rivallin M., Benmami M., Kanaev A., Gaunand A. Sol-gel reactor with rapid micromixing: modelling and measurements of titanium oxide nano-particle growth. Chem. Eng. Res. Des. 2005, 83:67-74.
37. 2-modified nanofiltration membranes in continuous flow photocatalytic reactors for effective water purification. J. Hazard. Mater. 2012, 211-212:304-316.
38. 2 suspensions. Toxicity and biodegradability evaluation. Catal. Today 2011, 161:121-126.
39. Schwarzer H.C., Peukert W. Experimental investigation into the influence of mixing on nanoparticle precipitation. Chem. Eng. Technol. 2002, 25:657-661.
40. Scwarzer H.C., Peukert W. Combined experimental/numerical study on precipitation of nanoparticles. AIChE J. 2004, 50:3234-3247.
41. 2 thin films. Appl. Catal. B 2009, 89:288-294.
42. Soloviev A., Jensen H., Sogaard E.G., Kanaev A.V. Aggregation kinetics of sol-gel process based on titanium tetraisopropoxide. J. Mater. Sci. 2003, 38:3315-3318.
43. 2 suspensions. Appl. Catal. B 2003, 40:271-286.
44. 2/ZnO nano composite film: preparation, characterization, and photodegradation activity of methyl orange. Surf. Coat. Technol. 2009, 204:205-214.
45. Turova N.Y., Turevskaya E.P., Kessler V.G., Yanovskaya M.I. The Chemistry of Metal Alkoxydes 2002, Kluwer Academic Publishers, Dordrecht.
46. Velegraki T., Poulios I., Charalabaki M., Kalogerakis N., Samaras P., Mantzavinos D. Photocatalytic and sonolytic oxidation of acid orange 7 in aqueous solution. Appl. Catal. B 2006, 62:159-168.
47. 2 particles using visible light. Environ. Sci. Technol. 1996, 30:1660-1666.
48. Wang G., Garrick S.C. Modeling and simulation of titania formation and growth in temporal mixing layer. J. Aerosol Sci. 2006, 37:431-451.
49. 2 dispersions under visible light irradiation. Appl. Catal. B 1998, 15:147-156.
50. 2 photocatalyst reaction for water purification. Sep. Purif. Technol. 2003, 31:105-110.
51. 2 thin films of various porosity and titania loading. Catal. Today 2011, 161:29-34.