Adsorption and photocatalyzed oxidation of methylated arsenic species in TiO2 suspensions

Environmental Science and Technology

Volumn 41, Issue 15, 2007, Pages 5471-5477

  Xu, Tielian ^a   Cai, Yong ^a   O'Shea, Kevin E ^a  

^a FLORIDA INTERNATIONAL UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ADSORPTION; ARSENIC; DEGRADATION; HERBICIDES; OXIDATION; PH EFFECTS; TITANIUM DIOXIDE; ALCOHOLS; PHOTOCATALYSIS; PHOTODEGRADATION; SCAVENGING;

ARSENIC SPECIES; DIMETHYLARSINIC ACID; MINERALIZATION; MONOMETHYLARSONIC ACID;

PHOTOCATALYSIS; ARSENIC;

ARSENIC ACID; ARSENIC DERIVATIVE; CACODYLIC ACID; HERBICIDE; METHANEARSONIC ACID; SCAVENGER; TERT BUTYL ALCOHOL; TITANIUM DIOXIDE;

ADSORPTION; ARSENIC; DEGRADATION; HERBICIDES; OXIDATION; PH EFFECTS; PHOTOCATALYSIS; TITANIUM DIOXIDE;

ADSORPTION; ARSENIC; HERBICIDE; MINERALIZATION; PH; PHOTODEGRADATION; PHOTOOXIDATION; REACTION KINETICS; SPECIATION (CHEMISTRY); TITANIUM;

ADSORPTION; ARTICLE; CHEMICAL REACTION; CHEMICAL REACTION KINETICS; DEGRADATION; MINERALIZATION; PH; PHOTOCATALYSIS; PHOTOOXIDATION;

ADSORPTION; ARSENICALS; CACODYLIC ACID; CATALYSIS; HYDROGEN-ION CONCENTRATION; KINETICS; LIGHT; OXIDATION-REDUCTION; SOLUTIONS; SUSPENSIONS; TERT-BUTYL ALCOHOL; TITANIUM;

ARSENIC CONCENTRATION; ARSENIC SPECIES; DILUTE SOLUTION; DIMETHYLARSINIC ACIDS; HYDROXYL RADICALS; INORGANIC ARSENATE; LANGMUIR-HINSHELWOOD KINETICS; METHYLATED ARSENIC; MONOMETHYLARSONIC ACIDS; MULTI-STEP; OXIDATION PRODUCTS; PHOTO CATALYTIC DEGRADATION; PHOTOCATALYZED; SIMILAR DEGREE; SOLUTION PH; TERT-BUTYL ALCOHOLS; TIO2 PHOTOCATALYSIS; TIO2 SURFACES; TREATMENT PROCESS;

EID: 34547689045     PISSN: 0013936X     EISSN: None     Source Type: Journal    
DOI: 10.1021/es0628349     Document Type: Article

References (38)

1. Mandal, B. K.; Suzuki, K. T. Arsenic around the world: a review. Talanta 2002, 58, 201-235.
2. Nordstrom, D. K. Worldwide occurrences of arsenic in ground water. Science 2002, 296, 2143-2145.
3. Bednar, A. J.; Garbarino, J. R.; Ranville, J. F.; Wildeman, T. R. Presence of organoarsenicals used in cotton production in agricultural water and soil of the southern United States. J. Agric. Food Chem. 2002, 50, 7340-7344.
4. Arnold, L.; Eldan, M.; Nyska, A.; van Gemert, M.; Cohen, S. M. Dimethylarsinic acid: results of chronic toxicity/oncogenicity studies in F344 rats and in B6C3F1 mice. Toxicology 2006, 223, 82-100.
5. Kenyon, E. M.; Hughes, M. F. A concise review of the toxicity and carcinogenicity of dimethylarsinic acid. Toxicology 2001, 160, 227-236.
6. Bissen, M.; Frimmel, F. H. Arsenic - a review.part II: oxidation of arsenic and its removal in water treatment. Acta Hydrochim. Hydrobiol. 2003, 31, 97-107.
7. Cheng, A.; Green, A. V.; Louis, R.; Nikolaidis, N.; Bailey, R. Removal of methylated arsenic in groundwater with iron filings. Environ. Sci. Technol. 2005, 39, 7662-7666.
8. Cox, C. D.; Ghosh, M. M. Surface complexation of methylated arsenates by hydrous oxides. Water Res. 1994, 28, 1181-1188.
9. Kuhlmeier, P. D.; Sherwood, S. P. Treatability of inorganic arsenic and organorsenicals in groundwater. Water Environ. Res. 1996, 68, 946-951.
10. Lafferty, B. J.; Loeppert, R. H. Methyl arsenic adsorption and desorption behavior on iron oxides. Environ. Sci. Technol. 2005, 39, 2120-2127.
11. Ollis, D. F.; Pelizzetti, E.; Serpone, N. Photocatalyzed destruction of water contaminants. Environ. Sci. Technol. 1991, 25, 1522-1529.
12. Kamat, P. V. Photochemistry on nonreactive and reactive (semiconductor) surfaces. Chem. Rev. 1993, 93, 267-300.
13. Hoffmann, M. R.; Martin, S. T.; Choi, W.; Bahnemann, D. W. Environmental applications of semiconductor photocatalysis. Chem. Rev. 1995, 95, 69-96.
14. 2-photocatalyzed As(III) oxidation in a fixed-bed, flow-through reactor. Environ. Sci. Technol. 2006, 40, 4261-4267.
15. Yang, H.; Lin, W. Y.; Rajeshwar, K. Homogenous and heterogenous photocatalytic reactions involving As(III) and As(V) species in aqueous media. J. Photochem. Photobiol. A. 1999, 123, 137-143.
16. 2 system: evidence for a direct hole oxidation mechanism. Environ. Sci. Technol. 2005, 39, 9695-9701.
17. 2 assisted photocatalysis. J. Phys. Chem. A. 2005, 109, 9070-9075.
18. 2 suspension: kinetics and mechanisms. Environ. Sci. Technol. 2002, 36, 3872-3878.
19. Dutta, P. K.; Pehkonen, S. O.; Sharma, V. K.; Ray, A. K. Photocatalytic oxidation of arsenic(III): evidence of hydroxyl radicals. Environ. Sci. Technol. 2005, 39, 1827-1834.
20. 2- photocatalyzed As(III) oxidation in aqueous suspensions:reaction kinetics and effects of adsorption. Environ. Sci. Technol. 2005, 39, 1880-1886.
21. 2: understanding the controversial oxidation mechanism involving superoxides and the effect of alternative electron acceptors. Environ. Sci. Technol. 2006, 40, 7034-7039.
22. Nakajima, T.; Xu, Y. H.; Mori, Y.; Kishita, M.; Takanashi, H.; Maeda, S.; Ohki, A. Combined use of photocatalyst and adsorbent for the removal of inorganic arsenic(III) and organoarsenic compounds from aqueous media. J. Hazard. Mater. 2005, B120, 75-80.
23. Nakajima, T.; Kawabata, T.; Kawabata, H.; Takanashi, H.; Ohki, A.; Maeda, S. Degradation of phenylarsonic acid and its derivatives into arsenate by hydrothermal treatment and photocatalytic reaction. Appl. Organomet. Chem. 1999, 19, 254-259.
24. Feng, M.; Schrlau, J. E.; Snyder, R.; Snyder, G. H.; Chen, M.; Cisar, J. L.; Cai, Y. Arsenic transport and transformation associated with MSMA application on a golf course green. J. Agric. Food. Chem. 2005, 53, 3556-3562.
25. Katsoyiannis, I. A.; Zouboulis, A. I. Comparative evaluation of conventional and alternative methods for the removal of arsenic from contaminated groundwaters. Rev. Environ. Health 2006, 21, 25-41.
26. Pena, M.; Meng, X.; Korfiatis, G. P.; Jing, C. Adsorption mechanism of arsenic on nanocrystalline titanium dioxide. Environ. Sci. Technol. 2006, 40, 1257-1262.
27. Jing, C.; Meng, X.; Liu, S.; Baidas, S.; Patraju, R.; Christodoulatos, C.; Korfiatis, G. P. Surface complexation of organic arsenic on naflocrystalline titanium oxide. J. Colloid Interface Sci. 2005, 290, 14-21.
28. Dutta, P. K.; Ray, A. K.; Sharma, V. K.; Millero, F. J. Adsorption of arsenate and arsenite on titanium dioxide suspensions. J. Colloid Interface Sci. 2004, 278, 270-275.
29. 2 by thermogravimetric analysis. Langmuir 2003, 19, 160-165.
30. 2 particles used in polymer encapsulation. Langmuir 2001, 17, 2664-2669.
31. Carriera, M.; Perola, P.; Herrmanna, J.; Bordesb, C.; Horikoshic, S.; Paissed, J. O.; Baudotd, R.; Guillard, C. Kinetics and reactional pathway of Imazapyr photocatalytic degradation Influence of pH and metallic ions. Appl. Catal., B 2006, 65, 11-20.
32. 2 suspension. Appl. Catal. B 2002, 36, 75-85.
33. 2 Particles in Relation to Photoremediation of Contaminated Water. In Aquatic and Surface Photochemistry; Helz, G. R.; Zepp, R. G., Crosby, D. G., Eds.; Lewis Publishiers: Boca Raton, 1994; p 317.
34. Mills, A.; Morris, S. Photomineralization of 4-chlorophenol sensitized by titanium dioxide: a study of the initial kinetics of carbon dioxide photogeneration. J. Photochem. Photobiol., A 1993, 71, 71-83.
35. 2-photocatalyzed degradation of acetophenone under different light intensity. J. Photochem. Photobiol. A 2000, 133, 67-71.
36. -) in aqueous solution. J. Phys. Chem. Ref. Data 1988, 17, 513-886.
37. 2 suspensions. J. Photochem. Photobiol., A 1997, 107, 221-226.
38. 2-mediated degradation of dimethyl phenylphosphonate. J. Photochem. Photobiol., A 2003, 161, 69-77.