Preparation of oxygen-vacant TiO2-x and activated carbon fiber composite using a single-step thermal plasma method for low-concentration elemental mercury removal

Chemical Engineering Journal

Volumn 200-202, Issue , 2012, Pages 18-24

  Hsi, Hsing Cheng ^a   Tsai, Cheng Yen ^b  

^a NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY   (Taiwan)

^b NATIONAL KAOHSIUNG UNIVERSITY OF APPLIED SCIENCES   (Taiwan)

Author keywords

Carbon fiber; Mercury; Oxygen vacancy; Photocatalyst; Thermal plasma

Indexed keywords

COMPETITIVE ADSORPTION; CONCENTRATION LEVELS; DARK CONDITIONS; ELEMENTAL MERCURY; LOW CONCENTRATIONS; MICROPORES; RED SHIFT; RUTILE PHASIS; SINGLE-STEP; SURFACE AREA; THERMAL PLASMA; THERMAL PLASMA METHOD; TIO; VISIBLE-LIGHT IRRADIATION; XRD;

CARBON FIBERS; CATALYTIC OXIDATION; IRRADIATION; MERCURY (METAL); NANOPARTICLES; OXIDE MINERALS; OXYGEN; OXYGEN VACANCIES; PHOTOCATALYSTS; PHYSISORPTION; TITANIUM DIOXIDE;

SYNTHESIS (CHEMICAL);

EID: 84865543399     PISSN: 13858947     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cej.2012.06.021     Document Type: Article

References (30)

1. Wu C.Y., Lee T.G., Tyree G., Arar E., Biswas P. Capture of mercury in combustion systems by in situ-generated titania particles with UV irradiation. Environ. Eng. Sci. 1998, 15:137-148.
2. 2 for Hg vapor control. J. Nanopart. Res. 2003, 5:281-292.
3. Pitoniak E., Wu C.Y., Mazyck D.W., Powers K.W., Sigmund W. Adsorption enhancement mechanisms of silica-titania nanocomposites for elemental mercury vapor removal. Environ. Sci. Technol. 2005, 39:1269-1274.
4. 2 sorbent particles with UV irradiation. Ind. Eng. Chem. Res. 2004, 43:1411-1417.
5. 2 photocatalyst with visible light activity for NO removal. J. Mol. Catal. A: Chem. 2000, 161:205-212.
6. 2 photocatalyst by RF plasma treatment. J. Mater. Sci. 2001, 36:4201-4207.
7. 2 sols immobilized on porous silica as new efficient photocatalyst. Appl. Catal. A 2007, 332:297-303.
8. 2 loaded on natural zeolite. Dyes Pigm. 2008, 77:327-334.
9. Petkowicz D.I., Brambilla R., Radtke C., Silva C.D.S., Rocha Z.N., Pergher S.B.C., Santos J.H.Z. Photodegradation of methylene blue by in situ generated titania supported on a NaA zeolite. Appl. Catal. A 2009, 357:125-134.
10. 2 nanoparticles from alkoxide precursor and using active carbon as additive. Catal. Today 2002, 76:91-101.
11. 2-coated active carbon composites with increased photocatalytic activity prepared by a properly controlled sol-gel method. Mater. Lett. 2005, 59:2659-2663.
12. 2 coatings of nanosized particles on activated carbon by AP-MOCVD. Carbon 2005, 43:1700-1708.
13. 2 and carbon blacks composites by dye adsorption and photoelectrochemical studies. Appl. Catal. B 2006, 69:65-74.
14. 2 photocatalysts deposited on fiber substrates by liquid phase deposition. J. Photochem. Photobiol. A 2004, 163:359-365.
15. 2/ACFs photocatalyst. J. Environ. Sci.-China 2006, 18:979-982.
16. 2 coatings in one step by metal organic chemical vapor deposition. Appl. Surf. Sci. 2008, 254:2406-2412.
17. 2 films loaded on activated carbon fibers and their photocatalytic activities. Chem. Eng. J. 2009, 151:241-246.
18. Dwivedi P., Gaur V., Sharma A., Verma N. Comparative study of removal of volatile organic compounds by cryogenic condensation and adsorption by activated carbon fiber. Sep. Purif. Technol. 2004, 39:23-37.
19. 2-x nanoparticles synthesized using He/Ar thermal plasma and their effectiveness on low-concentration mercury vapor removal. J. Nanopart. Res. 2011, 13:4739-4748.
20. Shannon R.D., Pask J.A. Kinetics of the anatase-rutile transformation. J. Am. Ceram. Soc. 1965, 48:391-398.
21. Kofstad P. Nonstoichiometry, Diffusion, and Electrical Conductivity in Binary Metal Oxides 1972, Wiley, New York.
22. Mackenzie K.J.D. The calcination of titania: IV. The effect of additives on the anatase-rutile transformation. Trans. J. Br. Ceram. Soc. 1975, 74:29-34.
23. Bak T., Nowotny J., Nowotny M.K. Defect disorder of titanium dioxide. J. Phys. Chem. B 2006, 110:21560-21567.
24. 2/Ar/He thermal plasma for low-concentration elemental mercury removal. Chem. Eng. J. 2012, 191:378-385.
25. Fudolig A.M., Nogami H., Yagi J.I., Mimura K., Isshiki M. Prediction of surface temperature on metal beads subjected to argon-hydrogen transferred arc plasma impingement. ISIJ Int. 1997, 37:623-629.
26. Ramasamy R., Selvarajan V. Heat transfer to a single particle injected into a thermal plasma. Comp. Mater. Sci. 1999, 15:265-274.
27. 2 nanocomposite. Environ. Sci. Technol. 2006, 40:6444-6448.
28. 2 nanocomposite. Environ. Eng. Sci. 2007, 24:3-12.
29. 2 nanocomposite. Fuel Process. Technol. 2008, 89:567-573.
30. Fujishima A., Rao T.N., Tryk D.A. Titanium dioxide photocatalysis. J. Photochem. Photobiol. C 2000, 1:1-21.