Recyclable magnetic photocatalysts of Fe 2+/TiO 2 hierarchical architecture with effective removal of Cr(VI) under UV light from water

Journal of Hazardous Materials

Volumn 196, Issue , 2011, Pages 29-35

  Xu, S C ^a   Zhang, Y X ^a   Pan, S S ^a   Ding, H L ^a   Li, G H ^a  

^a INSTITUTE OF SOLID STATE PHYSICS   (China)

Author keywords

Fe doped TiO 2 tubes; Hierarchical architecture; Magnetic; Photocatalyst; Removal of Cr(VI)

Indexed keywords

ACID TREATMENTS; CRIII IONS; FACILE SOLVOTHERMAL APPROACH; FE ATOMS; FE-DOPED TIO; FERROUS ION; HIERARCHICAL ARCHITECTURES; MAGNETIC; MAGNETIC PHOTOCATALYSTS; MICROTUBE; PHOTO-CATALYTIC REMOVAL; PHOTOCATALYTIC REACTIONS; THREE-LEVEL; TIO; TWO-STEP REDUCTION;

ADSORPTION; ARCHITECTURE; CHROMIUM COMPOUNDS; IONS; IRON; NANOSHEETS; PHOTOCATALYSTS; SYNTHESIS (CHEMICAL); TITANIUM DIOXIDE; WASTEWATER; WASTEWATER TREATMENT;

DEWATERING;

CHROMIUM; FERROUS ION; NANOCRYSTAL; TITANIUM DIOXIDE;

CATALYST; CHROMIUM; HIERARCHICAL SYSTEM; MAGNETIC FIELD; NANOTECHNOLOGY; PHOTOCHEMISTRY; POLLUTANT REMOVAL; TITANIUM; ULTRAVIOLET RADIATION; WASTEWATER;

ADSORPTION KINETICS; ARTICLE; ATOM; CATALYST; CHEMICAL STRUCTURE; ELECTRON; HEAVY METAL REMOVAL; MAGNETISM; MORPHOLOGY; PH; PHOTOCATALYSIS; REACTOR; RECYCLING; REDUCTION KINETICS; SURFACE PROPERTY; SYNTHESIS; THICKNESS; ULTRAVIOLET RADIATION; WASTE WATER;

ADSORPTION; CATALYSIS; CHROMIUM; FERROUS COMPOUNDS; MAGNETIC FIELDS; NANOTUBES; OXIDATION-REDUCTION; PHOTOCHEMICAL PROCESSES; RECYCLING; TITANIUM; ULTRAVIOLET RAYS; WATER POLLUTANTS, CHEMICAL; WATER PURIFICATION;

EID: 80455154988     PISSN: 03043894     EISSN: 18733336     Source Type: Journal    
DOI: 10.1016/j.jhazmat.2011.08.068     Document Type: Article

References (35)

1. Guo X., Fei G.T., Su H., Zhang L.D. High-performance and reproducible polyaniline nanowire/tubes for removal of Cr(VI) in aqueous solution. J. Phys. Chem. C 2011, 115:1608-1613.
2. 2+) adsorption on clinoptilolite. J. Colloids Interface Sci. 2006, 304:21-28.
3. Sar A., Tuzen M., Ci{dotless}tak D., Soylak M. Adsorption characteristics of Cu(II) and Pb(II) onto expanded perlite from aqueous solution. J. Hazard. Mater. 2007, 148:387-394.
4. Adebowale K.O., Unuabonah I.E., Olu-Owolabi B.I. The effect of some operating variables on the adsorption of lead and cadmium ions on kaolinite clay. J. Hazard. Mater. B 2006, 134:130-139.
5. 2 photocatalyst for the reduction of Cr(VI) under UV light illumination. Appl. Catal. B 2007, 77:157-165.
6. Deng S., Bai R. Removal of trivalent and hexavalent chromium with aminated polyacrylonitrile fibers: performance and mechanisms. Water Res. 2004, 38:2424-2432.
7. Heidmann I., Calmano W. Removal of Zn(II), Cu(II), Ni(II), Ag(I) and Cr(VI) present in aqueous solutions by aluminium electrocoagulation. J. Hazard. Mater. 2008, 152:934-941.
8. Gao P., Chen1 X., Shen F., Chen G. Removal of chromium (VI) from wastewater by combined electrocoagulation-electroflotation without a filter. Sep. Purif. Technol. 2005, 43:117-123.
9. Mor S., Ravindra K., Bishnoi N.R. Adsorption of chromium from aqueous solution by activated alumina and activated charcoal. Bioresour. Technol. 2007, 98:954-957.
10. Carmona M.E.R., da Silva M.A.P., Leite S.G.F. Biosorption of chromium using factorial experimental design. Process. Biochem. 2005, 40:779-788.
11. Kobya M. Removal of Cr(VI) from aqueous solutions by adsorption onto hazelnut shell activated carbon: kinetic and equilibrium studies. Bioresour. Technol. 2004, 91:317-321.
12. Xing Y., Chen X., Wang D. Electrically regenerated ion exchange for removal and recovery of Cr(VI) from wastewater. Environ. Sci. Technol. 2007, 41:1439-1443.
13. Guell R., Antico E., Salvado V., Fontas C. Efficient hollow fiber supported liquid membrane system for the removal and preconcentration of Cr(VI) at trace levels. Sep. Purif. Technol. 2008, 62:389-393.
14. 2 photocatalysts and the effects of dissolved organic species. J. Hazard. Mater. 2008, 152:93-99.
15. Wang X., Pehkonen S.O., Ray A.K. Removal of aqueous Cr(VI) by a combination of photocatalytic reduction and coprecipitation. Ind. Eng. Chem. Res. 2004, 43:1665-1672.
16. Li H., Bian Z., Zhu J., Zhang D., Li G., Huo Y., Li H., Lu Y. Mesoporous titania spheres with tunable chamber structure and enhanced photocatalytic activity. J. Am. Chem. Soc. 2007, 129:8406-8407.
17. 2 nanowires. Chem. Phys. Lett. 2002, 365:300-304.
18. 2 photocatalytic membranes with a hierarchical mesoporous multilayer structure: synthesis, characterization, and multifunction. Adv. Funct. Mater. 2006, 16:1067-1074.
19. 2 spheres via a facile chemical process. J. Phys. Chem. B 2005, 109:5478-5481.
20. Lu F., Cai W., Zhang Y. ZnO hierarchical micro/nanoarchitectures: solvothermal synthesis and structurally enhanced photocatalytic performance. Adv. Funct. Mater. 2008, 18:1047-1056.
21. 2 nanocolumn arrays: transferability, enhanced photocatalytic activity, and superamphiphilicity without UV irradiation. J. Chem. Soc. 2008, 130:14755-14762.
22. Liu Z., Ci L., Jin-Phillippa N.Y., Ruhle M. Graphite-like carbon-encapsulated iron nanoparticle self-assembly into macroscopic microtube structures. J. Mater. Chem. 2007, 17:4619-4625.
23. Gong X., Wang L., Wen W. Design and fabrication of monodisperse hollow titania microspheres from a microfluidic droplet-template. Chem. Commun. 2009, 4690-4692.
24. Wang J., Zhu W., Zhang Y., Liu S. An efficient two-Step technique for nitrogen-doped titanium dioxide synthesizing: visible-light-induced photodecomposition of methylene blue. J. Phys. Chem. C 2007, 111:1010-1014.
25. 2 under visible light from first-principles. J. Phys. Chem. C 2007, 111:18985-18994.
26. 2 powders with high visible-light-driven catalytic activity and adsorption capacity. J. Solid State Chem. 2008, 181:1936-1942.
27. 2. Appl. Catal. B 2007, 69:138-144.
28. 2 hybrid microspheres. Appl. Catal. B 2011, 103:181-189.
29. + ions on the photocatalytic degradation of sucrose in water. Catal. Today 2001, 68:201-208.
30. 2-Pt and their application in the removal of Cr (VI). Environ. Technol. 2011, 32:427-437.
31. Kumara P.A., Chakraborty S., Ray M. Removal and recovery of chromium from wastewater using short chain polyaniline synthesized on jute fiber. Chem. Eng. J. 2008, 141:130-140.
32. Kumara P.A., Rayb M., Chakraborty S. Adsorption behaviour of trivalent chromium on amine-based polymer aniline formaldehyde condensate. Chem. Eng. J. 2009, 149:340-347.
33. Brunauer S., Emmett P.H., Teller E. Adsorption of gases in multimolecular layers. J. Am. Chem. Soc. 1938, 60:309-319.
34. Barrettl E.P., Joyner L.E., Halenda P.P. The determination of pore volume and area distributions in porous substances. I. computations from nitrogen isotherms. J. Am. Chem. Soc. 1951, 73:373-380.
35. 2. J. Hazard. Mater. B 2006, 134:94-103.