Removal of indoor volatile organic compounds via photocatalytic oxidation: A short review and prospect

Molecules

Volumn 21, Issue 1, 2016, Pages

  Huang, Yu ^a   Ho, Steven Sai Hang ^a,b   Niu, Ruiyuan ^a   Xu, Lifeng ^a   Lu, Yanfeng ^a   Cao, Junji ^a   Lee, Shuncheng ^c  

^a Chinese Academy of Sciences   (China)

^b DESERT RESEARCH INSTITUTE   (United States)

^c HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

Author keywords

Formaldehyde; Influencing factors; Photocatalysis; Review; VOCs

Indexed keywords

FORMALDEHYDE; TITANIUM; TITANIUM DIOXIDE; VOLATILE ORGANIC COMPOUND;

ANALYSIS; CATALYSIS; CHEMISTRY; HUMAN; INDOOR AIR POLLUTION; LIGHT; OXIDATION REDUCTION REACTION; PHOTOLYSIS; TEMPERATURE; VOLATILIZATION;

AIR POLLUTION, INDOOR; CATALYSIS; FORMALDEHYDE; HUMANS; LIGHT; OXIDATION-REDUCTION; PHOTOLYSIS; TEMPERATURE; TITANIUM; VOLATILE ORGANIC COMPOUNDS; VOLATILIZATION;

EID: 85000577434     PISSN: None     EISSN: 14203049     Source Type: Journal    
DOI: 10.3390/molecules21010056     Document Type: Review

References (142)

1. World Health Organization (WHO). Air Quality Guidelines for Europe;World Health Organization: Geneva, Switzerland, 2000.
2. Weschler, C.J. Changes in indoor pollutants since the 1950s. Atmos. Environ. 2009, 43, 153-169. [Cross Ref].
3. Bolden, A.L.; Kwiatkowski, C.F.; Colborn, T. New look at BTEX: Are ambient levels a problem? Environ. Sci. Technol. 2015, 49, 5261-5276. [Cross Ref] [Pub Med].
4. Salthammer, T.; Mentese, S.; Marutzky, R. Formaldehyde in the indoor environment. Chem. Rev. 2010, 110, 2536-2572. [Cross Ref] [Pub Med].
5. Jedrychowski, W.; Perera, F.; Mrozek-Budzyn, D.; Mroz, E.; Flak, E.; Spengler, J.D.; Edwards, S.; Jacek, R.; Kaim, I.; Skolicki, Z. Gender differences in fetal growth of newborns exposed prenatally to airborne fine particulate matter. Environ. Res. 2009, 109, 447-456. [Cross Ref] [Pub Med].
6. U.S. Environmental Protection Agency. The Inside Story: A Guide to Air Quality; Office of Radiation and Indoor Air (6609J): Washington, DC, USA, 2009.
7. U.S. Environmental Protection Agency. Compendium Method TO-11A: Determination of Formaldehyde in Ambient Air Using Adsorbent cartridge Followed by High Performance Liquid Chromatography; Center for Environmental Research Information, Office of Research and Development, U.S. Environmental Protection Agency: Cincinnati, OH, USA, 1999.
8. Ho, S.S.H.; Yu, J.Z. Determination of airborne carbonyls: Comparison of a thermal desorption/GC method with the standard DNPH/HPLC method. Environ. Sci. Technol. 2004, 38, 862-870. [Cross Ref] [Pub Med].
9. Guo, H.; Murray, F.; Wilkinson, S. Evaluation of total volatile organic compound emissions from adhesives based on chamber tests. J. Air Waste Manag. Assoc. 2000, 50, 199-206. [Cross Ref] [Pub Med].
10. Guo, H.; Kwok, N.H.; Cheng, H.R.; Lee, S.C.; Hung, W.T.; Li, Y.S. Formaldehyde and volatile organic compounds in Hong Kong homes: Concentrations and impact factors. Indoor Air 2009, 19, 206-217. [Cross Ref] [Pub Med].
11. Wolkoff, P. Volatile organic compounds-Sources, measurements, emissions, and the impact on indoor air quality. Indoor Air 1995, 5, 1-73. [Cross Ref].
12. Hodgson, A.; Beal, D.; McIlvaine, J. Sources of formaldehyde, other aldehydes and terpenes in a new manufactured house. Indoor Air 2002, 12, 235-242. [Cross Ref] [Pub Med].
13. Brinke, J.T.; Selvin, S.; Hodgson, A.; Fisk, W.; Mendell, M.; Koshland, C.; Daisey, J. Development of new volatile organic compound (VOC) exposure metrics and their relationship to "sick building syndrome" symptoms. Indoor Air 1998, 8, 140-152. [Cross Ref].
14. Mishra, S.; Ajello, L.; Ahearn, D.; Burge, H.; Kurup, V.; Pierson, D.; Price, D.; Samson, R.; Sandhu, R.; Shelton, B. Environmental mycology and its importance to public health. J. Med. Vet. Mycol. 1992, 30, 287-305. [Cross Ref] [Pub Med].
15. Tang, X.; Bai, Y.; Duong, A.; Smith, M.T.; Li, L.; Zhang, L. Formaldehyde in China: Production, consumption, exposure levels, and health effects. Environ. Int. 2009, 35, 1210-1224. [Cross Ref] [Pub Med].
16. Ewlad-Ahmed, A.M.; Morris, M.A.; Patwardhan, S.V.; Gibson, L.T. Removal of formaldehyde from air using functionalized silica supports. Environ. Sci. Technol. 2012, 46, 13354-13360. [Cross Ref] [Pub Med].
17. Bakheet, A.A.; Mohd Zain, M.F.; Kadhum, A.A.; Abdalla, Z. Photocatalytic oxidation performance to removal of volatile organic compounds in indoor environment. Environ. Res. Eng. Manag. 2011, 58, 27-33. [Cross Ref].
18. Fujishima, A.; Honda, K. Photolysis-decomposition of water at the surface of an irradiated semiconductor. Nature 1972, 238, 37-38. [Cross Ref] [Pub Med].
19. Lim, M.; Zhou, Y.; Wang, L.; Rudolph, V.; Lu, G.Q. Development and potential of new generation photocatalytic systems for air pollution abatement: An overview. Asia Pac. J. Chem. Eng. 2009, 4, 387-402. [Cross Ref].
20. Mo, J.; Zhang, Y.; Xu, Q.; Lamson, J.J.; Zhao, R. Photo catalytic purification of volatile organic compounds in indoor air: A literature review. Atmos. Environ. 2009, 43, 2229-2246. [Cross Ref].
21. Schneider, J.; Matsuoka, M.; Takeuchi, M.; Zhang, J.; Horiuchi, Y.; Anpo, M.; Bahnemann, D.W. Understanding TiO2 photocatalysis: Mechanisms and materials. Chem. Rev. 2014, 114, 9919-9986. [Cross Ref] [Pub Med].
22. Tian, F.; Wu, Z.; Yan, Y.; Ge, X.; Tong, Y. Photo degradation of formaldehyde by activated carbon loading TiO2 synthesized via microwave irradiation. Korean J. Chem. Eng. 2015, 32, 1333-1339. [Cross Ref].
23. Chan-Soo, K.; Jung-Woo, S.; Sang-Hun, A.; Hee-Dong, J.; Tae-Oh, K. Photodegradation of volatile organic compounds using Zirconium-doped TiO2/SiO2 visible light photo catalysts. Chem. Eng. J. 2012, 204-206, 40-47.
24. Khan, F.I.; Ghoshal, A.K. Removal of volatile organic compounds from polluted air. J. Loss Prev. Process Ind. 2000, 13, 527-545. [Cross Ref].
25. Ai, Z.H.; Huang, Y.; Lee, S.C.; Zhang, L.Z. Monoclinic α-Bi2O3 photocatalyst for efficient removal of gaseous NO and HCHO under visible light irradiation. J. Alloys Compd. 2011, 509, 2044-2049. [Cross Ref].
26. Arai, T.; Horiguchi, M.; Yanagida, M.; Gunji, T.; Sugihara, H.; Sayama, K. Complete oxidation of acetaldehyde and toluene over a Pd/WO3 photocatalyst under fluorescent- or visible-light irradiation. Chem. Commun. 2008, 43, 5565-5567. [Cross Ref] [Pub Med].
27. Dong, F.; Wang, Z.; Li, Y.; Ho, W.-K.; Lee, S.C. Immobilization of polymeric g-C3N4 on structured ceramic foam for efficient visible light photo catalytic air purification with real indoor illumination. Environ. Sci. Technol. 2014, 48, 10345-10353. [Cross Ref] [Pub Med].
28. Soreanu, G.; Dixon, M.; Darlington, A. Botanical bio filtration of indoor gaseous pollutants-A mini review. Chem. Eng. J. 2013, 229, 585-594. [Cross Ref].
29. Tokumura, M.; Wada, Y.; Usami, Y.; Yamaki, T.; Mizukoshi, A.; Noguchi, M.; Yanagisawa, Y. Method of removal of volatile organic compounds by using wet scrubber coupled with photo-fenton reaction-Preventing emission of by-products. Chemosphere 2012, 89, 1238-1242. [Cross Ref] [Pub Med].
30. Biard, P.F.; Couvert, A.; Renner, C.; Levasseur, J.P. Assessment and optimisation of VOC mass transfer enhancement by advanced oxidation process in a compact wet scrubber. Chemosphere 2009, 77, 182-187. [Cross Ref] [Pub Med].
31. Dewulf, J.; Langenhove, H.V.; Smedt, E.D.; Geuens, S. Combination of advanced oxidation processes and gas absorption for the treatment of chlorinated solvents in waste gases. Water Sci. Technol. 2001, 44, 173-180. [Pub Med].
32. Kabir, E.; Kim, K.H. A review of some representative techniques for controlling the indoor volatile organic compounds. Asian J. Atmos. Environ. 2012, 6, 137-146. [Cross Ref].
33. Peral, J.; Domenech, X.; Ollis, D.F. Heterogeneous photocatalysis for purification, decontamination and deodorization of air. J. Chem. Technol. Biotechnol. 1997, 70, 117-140. [Cross Ref].
34. Adriana, Z.; Andreas, H.; Michal, N. Photocatalytic air purification. Recent Pat. Eng. 2010, 4, 200-216.
35. Wang, S.; Ang, H.M.; Tade, M.O. Volatile organic compounds in indoor environment and photocatalytic oxidation: State of the art. Environ. Int. 2007, 33, 694-705. [Cross Ref] [Pub Med].
36. Zhong, L.; Haghighat, F. Photocatalytic air cleaners and materials technologies-Abilities and limitations. Build. Environ. 2015, 91, 191-203. [Cross Ref].
37. Hay, S.O.; Obee, T.; Luo, Z.; Jiang, T.; Meng, Y.; He, J.; Murphy, S.C.; Suib, S. The viability of photocatalysis for air purification. Molecules 2015, 20, 1319-1356. [Cross Ref] [Pub Med].
38. Li, W.; Wang, J.; Gong, H. Catalytic combustion of VOCs on non-noble metal catalysts. Catal. Today 2009, 148, 81-87. [Cross Ref].
39. Salthammer, T.; Fuhrmann, F.; Kaufhold, S.; Meyer, B.; Schwarz, A. Effects of climatic parameters on formaldehyde concentrations in indoor air. Indoor Air 1995, 5, 120-128. [Cross Ref].
40. Quiroz Torres, J.; Royer, S.; Bellat, J.P.; Giraudon, J.M.; Lamonier, J.F. Formaldehyde: Catalytic oxidation as a promising soft way of elimination. Chem Sus Chem 2013, 6, 578-592. [Cross Ref] [Pub Med].
41. Wieslander, G.; Norbäck, D.; Björnsson, E.; Janson, C.; Boman, G. Asthma and the indoor environment: The significance of emission of formaldehyde and volatile organic compounds from newly painted indoor surfaces. Int. Arch. Occup. Environ. Health 1996, 69, 115-124. [Cross Ref].
42. Hoffmann, K.; Krause, C.; Seifert, B.; Ullrich, D. The German environmental survey 1990/92 (GerES II): Sources of personal exposure to volatile organic compounds. J. Expo. Anal. Environ. Epidemiol. 1999, 10, 115-125. [Cross Ref].
43. Benner, C.L.; Bayona, J.M.; Caka, F.M.; Tang, H.; Lewis, L.; Crawford, J.; Lamb, J.D.; Lee, M.L.; Lewis, E.A. Chemical composition of environmental tobacco smoke. 2. Particulate-phase compounds. Environ. Sci. Technol. 1989, 23, 688-699. [Cross Ref].
44. Fenske, J.D.; Paulson, S.E. Human breath emissions of vocs. J. Air Waste Manag. 1999, 49, 594-598. [Cross Ref].
45. Gupta, K.; Ulsamer, A.; Preuss, P. Formaldehyde in indoor air: Sources and toxicity. Environ. Int. 1982, 8, 349-358. [Cross Ref].
46. Zinn, T.W.; Cline, D.; Lehmann, W.F. Long-term study of formaldehyde emission decay from particleboard. For. Prod. J. 1990, 40, 15-18.
47. Balakrishnan, K.; Ramaswamy, P.; Sankar, S. Biomass smoke and health risks-The situation in developing countries. In Air Pollution; Springer: Berlin, Germany, 2004; pp. 219-239.
48. Bruce, N.; Perez-Padilla, R.; Albalak, R. Indoor air pollution in developing countries: A major environmental and public health challenge. Bull. World Health Organ. 2000, 78, 1078-1092. [Pub Med].
49. Raiyani, C.; Shah, S.; Desai, N.; Venkaiah, K.; Patel, J.; Parikh, D.; Kashyap, S. Characterization and problems of indoor pollution due to cooking stove smoke. Atmos. Environ. A Gen. Top. 1993, 27, 1643-1655. [Cross Ref].
50. Li, S.; Banyasz, J.; Parrish, M.; Lyons-Hart, J.; Shafer, K. Formaldehyde in the gas phase of mainstream cigarette smoke. J. Anal. Appl. Pyrolysis 2002, 65, 137-145. [Cross Ref].
51. Sherman, M.H.; Hodgson, A. Formaldehyde as a basis for residential ventilation rates. Indoor Air 2004, 14, 2-8. [Cross Ref] [Pub Med].
52. Andreae, M.O.; Crutzen, P.J. Atmospheric aerosols: Biogeochemical sources and role in atmospheric chemistry. Science 1997, 276, 1052-1058. [Cross Ref].
53. Di Carlo, P.; Brune, W.H.; Martinez, M.; Harder, H.; Lesher, R.; Ren, X.; Thornberry, T.; Carroll, M.A.; Young, V.; Shepson, P.B. Missing OH reactivity in a forest: Evidence for unknown reactive biogenic VOCs. Science 2004, 304, 722-725. [Cross Ref] [Pub Med].
54. Karl, T.; Guenther, A.; Yokelson, R.J.; Greenberg, J.; Potosnak, M.; Blake, D.R.; Artaxo, P. The tropical forest and fire emissions experiment: Emission, chemistry, and transport of biogenic volatile organic compounds in the lower atmosphere over amazonia. J. Geophys. Res. Atmos. 2007, 112. [Cross Ref].
55. Williams, J.; Yassaa, N.; Bartenbach, S.; Lelieveld, J. Mirror image hydrocarbons from tropical and boreal forests. Atmos. Chem. Phys. 2007, 7, 973-980. [Cross Ref].
56. Kuhn, U.; Andreae, M.; Ammann, C.; Araújo, A.; Brancaleoni, E.; Ciccioli, P.; Dindorf, T.; Frattoni, M.; Gatti, L.; Ganzeveld, L. Isoprene and monoterpene fluxes from central amazonian rainforest inferred from tower-based and airborne measurements, and implications on the atmospheric chemistry and the local carbon budget. Atmos. Chem. Phys. 2007, 7, 2855-2879. [Cross Ref].
57. Fehsenfeld, F.; Calvert, J.; Fall, R.; Goldan, P.; Guenther, A.B.; Hewitt, C.N.; Lamb, B.; Liu, S.; Trainer, M.; Westberg, H. Emissions of volatile organic compounds from vegetation and the implications for atmospheric chemistry. Glob. Bio geo chem. Cycles 1992, 6, 389-430. [Cross Ref].
58. Atkinson, R.; Arey, J. Gas-phase tropospheric chemistry of biogenic volatile organic compounds: A review. Atmos. Environ. 2003, 37, 197-219. [Cross Ref].
59. Carlier, P.; Hannachi, H.; Mouvier, G. The chemistry of carbonyl compounds in the atmosphere-A review. Atmos. Environ. 1986, 20, 2079-2099. [Cross Ref].
60. Possanzini, M.; di Palo, V.; Cecinato, A. Sources and photodecomposition of formaldehyde and acetaldehyde in rome ambient air. Atmos. Environ. 2002, 36, 3195-3201. [Cross Ref].
61. Hoekman, S.K. Speciated measurements and calculated reactivities of vehicle exhaust emissions from conventional and reformulated gasolines. Environ. Sci. Technol. 1992, 26, 1206-1216. [Cross Ref].
62. Kim, K.J.; Kil, M.J.; Song, J.S.; Yoo, E.H.; Son, K.C.; Kays, S.J. Efficiency of volatile formaldehyde removal by indoor plants: Contribution of aerial plant parts versus the root zone. J. Am. Soc. Hortic. Sci. 2008, 133, 521-526.
63. Sahle-Demessie, E.; Devulapelli, V.G. Oxidation of methanol and total reduced sulfur compounds with ozone over V2O5/TiO2 catalyst: Effect of humidity. Appl. Catal. A Gen. 2009, 361, 72-80. [Cross Ref].
64. Kilham, L.B.; Dodd, R.M. The Application of Ozone for Air Treatment: Case Study of a Bingo Hall HAVC System; International Ozone Association World Congress: Dearborn, MI, USA, 1999.
65. Lau, S.; Groody, K.; Chan, A.; Ragib, G. Control of reduced sulphur and VOC emissions via biofiltration. Pulp Pap. Can. 2006, 107, 57-63.
66. Kumar, T.P.; Rahul, M.; Chandrajit, B. Biofiltration of volatile organic compounds (VOCs)-An overview. Res. J. Chem. Sci. 2011, 1, 83-92.
67. Wong, C.T. Removal of Volatile Organic Compound (VOC) from Air Using Zeolite Based Adsorption-Catalytic Combustion System. Master's Thesis, Universiti Sains Malaysia, Penang, Malaysia, 2007.
68. Mofidi, A.; Asilian, H.; Jafari, A.J. Adsorption of volatile organic compounds on fluidized activated carbon bed. Health Scope 2013, 2, 84-89. [Cross Ref].
69. Liu, Y.; Feng, X.; Lawless, D. Separation of gasoline vapor from nitrogen by hollow fiber composite membranes for VOC emission control. J. Membr. Sci. 2006, 271, 114-124. [Cross Ref].
70. Raso, R.A.; Zeltner, M.; Stark, W.J. Indoor air purification using activated carbon adsorbers: Regeneration using catalytic combustion of intermediately stored VOC. Ind. Eng. Chem. Res. 2014, 53, 19304-19312. [Cross Ref].
71. Jiao, Z.; Luo, P.; Wu, Y.; Ding, S.; Zhang, Z. Absorption of lean formaldehyde from air with Na2SO3 solution. J. Hazard. Mater. 2006, 134, 176-182. [Cross Ref] [Pub Med].
72. Kim, D.I.; Park, J.H.; Do Kim, S.; Lee, J.Y.; Yim, J.H.; Jeon, J.K.; Park, S.H.; Park, Y.K. Comparison of removal ability of indoor formaldehyde over different materials functionalized with various amine groups. J. Ind. Eng. Chem. 2011, 17, 1-5. [Cross Ref].
73. Nuasaen, S.; Opaprakasit, P.; Tangboriboonrat, P. Hollow latex particles functionalized with chitosan for the removal of formaldehyde from indoor air. Carbohydr. Polym. 2014, 101, 179-187. [Cross Ref] [Pub Med].
74. Shimizu, T.; Matsui, K.; Kitayama, I.; Nishijima, T. Development of aldehyde capture material to cabin air filter. Mazda Tech. Rev. 2000, 18, 104-111.
75. Chang, M.B.; Lee, C.C. Destruction of formaldehyde with dielectric barrier discharge plasmas. Environ. Sci. Technol. 1995, 29, 181-186. [Cross Ref] [Pub Med].
76. Zuo, H.; Zhang, H.; Zhang, X.; Han, N. Removal of formaldehyde from over activated-carbon-fiber-loaded biological enzyme. J. Appl. Polym. Sci. 2013, 130, 2619-2623. [Cross Ref].
77. Ohko, Y.; Hashimoto, K.; Fujishima, A. Kinetics of photocatalytic reactions under extremely low-intensity UV illumination on titanium dioxide thin films. J. Phys. Chem. A 1997, 101, 8057-8062. [Cross Ref].
78. Zhang, T.; Zhu, D.B.; Wang, C.G.; He, X. Antibacterial behavior of Ag-Ce-TiO2 composite films in the different irradiations. Mater. Sci. Forum 2009, 610-613, 463-466. [Cross Ref].
79. Zaleska, A. Doped-TiO2: A review. Recent Pat. Eng. 2008, 2, 157-164. [Cross Ref].
80. Sun, Y.; Fang, L.; Wyon, D.P.; Wisthaler, A.; Lagercrantz, L.; Strøm-Tejsen, P. Experimental research on photo catalytic oxidation air purification technology applied to aircraft cabins. Build. Environ. 2008, 43, 258-268. [Cross Ref].
81. Maira, A.; Coronado, J.; Augugliaro, V.; Yeung, K.L.; Conesa, J.; Soria, J. Fourier transform infrared study of the performance of nanostructured TiO2 particles for the photocatalytic oxidation of gaseous toluene. J. Catal. 2001, 202, 413-420. [Cross Ref].
82. Irokawa, Y.; Morikawa, T.; Aoki, K.; Kosaka, S.; Ohwaki, T.; Taga, Y. Photodegradation of toluene over TiO2-xNx under visible light irradiation. Phys. Chem. Chem. Phys. 2006, 8, 1116-1121. [Cross Ref] [Pub Med].
83. Blanco, J.; Avila, P.; Bahamonde, A.; Alvarez, E.; Sanchez, B.; Romero, M. Photocatalytic destruction of toluene and xylene at gas phase on a titania based monolithic catalyst. Catal. Today 1996, 29, 437-442. [Cross Ref].
84. Chen, L.C.; Pan, G.T.; Yang, T.C.K.; Chung, T.W.; Huang, C.M. In situ drift and kinetic studies of photo catalytic degradation on benzene vapor with visible-light-driven silver vanadates. J. Hazard. Mater. 2010, 178, 644-651. [Cross Ref] [Pub Med].
85. Zhong, J.;Wang, J.; Tao, L.; Gong, M.; Zhimin, L.; Chen, Y. Photo catalytic degradation of gaseous benzene over TiO2/Sr2CeO4: Kinetic model and degradation mechanisms. J. Hazard. Mater. 2007, 139, 323-331. [Cross Ref] [Pub Med].
86. Cao, L.; Gao, Z.; Suib, S.L.; Obee, T.N.; Hay, S.O.; Freihaut, J.D. Photo catalytic oxidation of toluene on nanoscale TiO2 catalysts: Studies of deactivation and regeneration. J. Catal. 2000, 196, 253-261. [Cross Ref].
87. Debono, O.; Thevenet, F.; Gravejat, P.; Hequet, V.; Raillard, C.; Lecoq, L.; Locoge, N. Toluene photocatalytic oxidation at ppbv levels: Kinetic investigation and carbon balance determination. Appl. Catal. B Environ. 2011, 106, 600-608. [Cross Ref].
88. Sun, S.; Ding, J.; Bao, J.; Gao, C.; Qi, Z.; Yang, X.; He, B.; Li, C. Photo catalytic degradation of gaseous toluene on Fe-TiO2 under visible light irradiation: A study on the structure, activity and deactivation mechanism. Appl. Surf. Sci. 2012, 258, 5031-5037. [Cross Ref].
89. Ameen, M.M.; Raupp, G.B. Reversible catalyst deactivation in the photocatalytic oxidation of diluteo-xylene in air. J. Catal. 1999, 184, 112-122. [Cross Ref].
90. Einaga, H.; Mochiduki, K.; Teraoka, Y. Photo catalytic oxidation processes for toluene oxidation over TiO2 catalysts. Catalysts 2013, 3, 219-231. [Cross Ref].
91. Nakajima, A.; Obata, H.; Kameshima, Y.; Okada, K. Photocatalytic destruction of gaseous toluene by sulfated TiO2 powder. Catal. Commun. 2005, 6, 716-720. [Cross Ref].
92. Daghrir, R.; Drogui, P.; Robert, D. Modified TiO2 for environmental photocatalytic applications: A review. Ind. Eng. Chem. Res. 2013, 52, 3581-3599.
93. Liu, Z.; Zhang, X.; Nishimoto, S.; Murakami, T.; Fujishima, A. Efficient photocatalytic degradation of gaseous acetaldehyde by highly ordered TiO2 nanotube arrays. Environ. Sci. Technol. 2008, 42, 8547-8551. [Cross Ref] [Pub Med].
94. Sumitsawan, S.; Cho, J.; Sattler, M.L.; Timmons, R.B. Plasma surface modified TiO2 nanoparticles: Improved photocatalytic oxidation of gaseous m-xylene. Environ. Sci. Technol. 2011, 45, 6970-6977. [Cross Ref] [Pub Med].
95. Liang, W.J.; Li, J.; Jin, Y.Q. Photocatalytic degradation of gaseous acetone, toluene, and p-xylene using a TiO2 thin film. J. Environ. Sci. Health A 2010, 45, 1384-1390. [Cross Ref] [Pub Med].
96. Yu, J.C.; Ho, W.K.; Yu, J.G.; Yip, H.; Wong, P.K.; Zhao, J.C. Efficient visible-light-induced photocatalytic disinfection on sulfur-doped nanocrystalline titania. Environ. Sci. Technol. 2005, 39, 1175-1179. [Cross Ref] [Pub Med].
97. Tan, T.T.Y.; Yip, C.K.; Beydoun, D.; Amal, R. Effects of nano-Ag particles loading on TiO2 photocatalytic reduction of selenate ions. Chem. Eng. J. 2003, 95, 179-186. [Cross Ref].
98. Li, H.; Yin, S.; Wang, Y.; Sato, T. Persistent fluorescence-assisted TiO2-xNy-based photocatalyst for gaseous acetaldehyde degradation. Environ. Sci. Technol. 2012, 46, 7741-7745. [Cross Ref] [Pub Med].
99. Einaga, H.; Futamura, S.; Ibusuki, T. Complete oxidation of benzene in gas phase by platinized titania photocatalysts. Environ. Sci. Technol. 2001, 35, 1880-1884. [Cross Ref] [Pub Med].
100. Reddy, B.M.; Sreekanth, P.M.; Reddy, E.P.; Yamada, Y.; Xu, Q.A.; Sakurai, H.; Kobayashi, T. Surface characterization of La2O3-TiO2 and V2O5/La2O3-TiO2 catalysts. J. Phys. Chem. B 2002, 106, 5695-5700. [Cross Ref].
101. Cappelletti, G.; Pifferi, V.; Mostoni, S.; Falciola, L.; di Bari, C.; Spadavecchia, F.; Meroni, D.; Davoli, E.; Ardizzone, S. Hazardous o-toluidine mineralization by photo catalytic bismuth doped ZnO slurries. Chem. Commun. 2015, 51, 10459-10462. [Cross Ref] [Pub Med].
102. Hu, J.S.; Ren, L.L.; Guo, Y.G.; Liang, H.P.; Cao, A.M.; Wan, L.J.; Bai, C.L. Mass production and high photocatalytic activity of ZnS nanoporous nanoparticles. Angew. Chem. Int. Ed. 2005, 44, 1269-1273. [Cross Ref] [Pub Med].
103. 2 photocatalysts in a baffled bed reactor. Res. Chem. Intermed. 2009, 35, 827-838. [Cross Ref].
104. Yan, T.; Long, J.; Shi, X.;Wang, D.; Li, Z.;Wang, X. Efficient photo catalytic degradation of volatile organic compounds by porous indium hydroxide nanocrystals. Environ. Sci. Technol. 2010, 44, 1380-1385. [Cross Ref] [Pub Med].
105. 3 photocatalyst under ambient conditions. Environ. Sci. Technol. 2006, 40, 5799-5803. [Cross Ref] [Pub Med].
106. Dong, F.; Guo, S.;Wang, H.; Li, X.;Wu, Z. Enhancement of the visible light photocatalytic activity of C-doped TiO2 nanomaterials prepared by a green synthetic approach. J. Phys. Chem. C 2011, 115, 13285-13292. [Cros Ref].
107. Dong, F.; Wang, H.; Wu, Z. One-step "green" synthetic approach for mesoporous C-doped titanium dioxide with efficient visible light photocatalytic activity. J. Phys. Chem. C 2009, 113, 16717-16723. [Cross Ref].
108. An, T.; Chen, J.; Nie, X.; Li, G.; Zhang, H.; Liu, X.; Zhao, H. Synthesis of carbon nanotube-anatase TiO2 sub-micrometer-sized sphere composite photo catalyst for synergistic degradation of gaseous styrene. ACS Appl. Mater. Interfaces 2012, 4, 5988-5996. [Cross Ref] [Pub Med].
109. 3+-TiO2 catalysts for indoor air purification. Chemosphere 2005, 59, 787-800. [Cross Ref] [Pub Med].
110. Sidheswaran, M.; Tavlarides, L.L. Visible light photo catalytic oxidation of toluene using a Cerium-doped titania catalyst. Ind. Eng. Chem. Res. 2008, 47, 3346-3357. [Cross Ref].
111. Luu, C.L.; Nguyen, Q.T.; Ho, S.T. Synthesis and characterization of Fe-doped TiO2 photocatalyst by the sol-gel method. Adv. Nat. Sci. Nanosci. Nanotechnol. 2010, 1, 015008. [Cros sRef].
112. 3 as an environmental photocatalyst that generates oh radicals under visible light. Environ. Sci. Technol. 2010, 44, 6849-6854. [Cross Ref] [Pub Med].
113. Zhang, Y.; Chen, Q.; Zhang, Y. Study of ESR on the photocatalytic oxidation of methanal. Chin. J. Chem. Phys. 1998, 11, 05.
114. Li, C.Y.; Jia, Y.R.; Zhang, X.C.; Zhang, S.Y.; Tang, A.D. Photo catalytic degradation of formaldehyde using mesoporous TiO2 prepared by evaporation-induced self-assembly. J. Cent. South Univ. 2014, 21, 4066-4070. [Cross Ref].
115. Sun, Z.G.; Li, X.S.; Zhu, X.; Deng, X.Q.; Chang, D.L.; Zhu, A.M. Facile and fast deposition of amorphous TiO2 film under atmospheric pressure and at room temperature, and its high photocatalytic activity under UVC light. Chem. Vap. Depos. 2014, 20, 8-13. [Cross Ref].
116. Wang, X.; Han, F.; Wang, X.; Li, Y. Effect of aluminum foam support and polyethylene glycol on surface morphology and photocatalytic behavior of TiO2 films. Mater.Chem. Phys. 2014, 145, 68-74. [Cross Ref].
117. Han, Z.; Chang, V.W.; Zhang, L.; Tse, M.S.; Tan, O.K.; Hildemann, L.M. Preparation of TiO2-coated polyester fiber filter by spray-coating and its photo catalytic degradation of gaseous formaldehyde. Aerosol Air Qual. Res. 2012, 12, 1327-1335. [Cross Ref].
118. Hong, Q.; SUN, D.Z.; CHI, G.Q. Formaldehyde degradation by UV/TiO2/O3 process using continuous flow mode. J. Environ. Sci. 2007, 19, 1136-1140.
119. Shie, J.L.; Lee, C.H.; Chiou, C.S.; Chang, C.T.; Chang, C.C.; Chang, C.Y. Photo degradation kinetics of formaldehyde using light sources of UVA, UVC and UV-LED in the presence of composed silver titanium oxide photocatalyst. J. Hazard. Mater. 2008, 155, 164-172. [Cross Ref] [Pub Med].
120. Zhu, Z.; Wu, R.J. The degradation of formaldehyde using a Pt@TiO2 nanoparticles in presence of visible light irradiation at room temperature. J. Taiwan Inst. Chem. Eng. 2015, 50, 276-281. [Cross Ref].
121. Liang, W.; Li, J.; Jin, Y. Photo-catalytic degradation of gaseous formaldehyde by TiO2/UV, Ag/TiO2/UV and Ce/TiO2/UV. Build. Environ. 2012, 51, 345-350. [Cross Ref].
122. Fu, P.; Zhang, P.; Li, J. Photo catalytic degradation of low concentration formaldehyde and simultaneous elimination of ozone by-product using palladium modified TiO2 films under UV irradiation. Appl. Catal. B Environ. 2011, 105, 220-228. [Cross Ref].
123. Xiao, G.; Huang, A.; Su, H.; Tan, T. The activity of acrylic-silicon/nano-TiO2 films for the visible-light degradation of formaldehyde and NO2. Build. Environ. 2013, 65, 215-221. [Cross Ref].
124. Liu, W.X.; Jiang, P.; Shao, W.N.; Zhang, J.; Cao, W.B. A novel approach for the synthesis of visible-light-active nanocrystalline N-doped TiO2 photocatalytic hydrosol. Solid State Sci. 2014, 33, 45-48. [Cross Ref].
125. 2 Core-Shell nanoparticles for photocatalytic degradation of formaldehyde. J. Chin. Chem. Soc. 2014, 61, 345-349. [Cross Ref].
126. Rezaee, A.; Rangkooy, H.; Khavanin, A.; Jafari, A.J. High photocatalytic decomposition of the air pollutant formaldehyde using nano-ZnO on bone char. Environ. Chem. Lett. 2014, 12, 353-357. [Cross Ref].
127. Huang, Q.; Ma, W.; Yan, X.; Chen, Y.; Zhu, S.; Shen, S. Photo catalytic decomposition of gaseous hcho by ZrxTi1-xO2 catalysts under UV-vis light irradiation with an energy-saving lamp. J. Mol. Catal. A Chem. 2013, 366, 261-265. [Cross Ref].
128. 4 microcubes for indoor air purification. J. Hazard. Mater. 2010, 179, 141-150. [Cross Ref] [Pub Med].
129. Egerton, T.; King, C. The influence of light intensity on photo activity in TiO2 pigmented systems. J. Oil Colour Chem. Assoc. 1979, 62, 386-391.
130. Obee, T.N. Photo oxidation of sub-parts-per-million toluene and formaldehyde levels on titania using a glass-plate reactor. Environ. Sci. Technol. 1996, 30, 3578-3584. [Cross Ref].
131. Okamoto, K.I.; Yamamoto, Y.; Tanaka, H.; Itaya, A. Kinetics of heterogeneous photocatalytic decomposition of phenol over anatase TiO2 powder. Bull. Chem. Soc. Jpn. 1985, 58, 2023-2028. [Cross Ref].
132. Qu, X.G.; Liu, W.X.; Ma, J.; Cao, W. Research on photo degradation of formaldehyde by nanocrystalline N-TiO2 powders under visible light irradiation. Res. Chem. Intermed. 2009, 35, 313-320. [Cross Ref].
133. Le Bechec, M.; Kinadjan, N.; Ollis, D.; Backov, R.; Lacombe, S. Comparison of kinetics of acetone, heptane and toluene photocatalytic mineralization over TiO2 microfibers and Quartzel® mats. Appl. Catal. B Environ. 2015, 179, 78-87. [Cross Ref].
134. Yang, R.; Zhang, Y.; Xu, Q.; Mo, J. A mass transfer based method for measuring the reaction coefficients of a photo catalyst. Atmos. Environ. 2007, 41, 1221-1229. [Cross Ref].
135. Obee, T.N.; Hay, S.O. Effects of moisture and temperature on the photo oxidation of ethylene on titania. Environ. Sci. Tchnol. 1997, 31, 2034-2038. [Cross Ref].
136. Liotta, L. Catalytic oxidation of volatile organic compounds on supported noble metals. Appl. Catal. B Environ. 2010, 100, 403-412. [Cross Ref].
137. Ordóñez, S.; Bello, L.; Sastre, H.; Rosal, R.; Diez, F.V. Kinetics of the deep oxidation of benzene, toluene, n-hexane and their binary mixtures over a platinum on -alumina catalyst. Appl. Catal. B Environ. 2002, 38, 139-149. [Cross Ref].
138. Sarigiannis, D.A.; Karakitsios, S.P.; Gotti, A.; Liakos, I.L.; Katsoyiannis, A. Exposure to major volatile organic compounds and carbonyls in European indoor environments and associated health risk. Environ. Int. 2011, 37, 743-765. [Cross Ref] [Pub Med].
139. Wu, M.S.; Xu, X.Y.; Xu, X.; Wang, X.T.; Zhao, X.T.; Pei, M.; Ma, X.H.; Wang, M.Z.; Wang, F.; Li, J.X. Comparison of removal efficiency of formaldehyde by chlorine dioxide, photo catalyst and active carbon. Appl. Mech. Mater. 2015, 723, 648-651. [Cross Ref].
140. 2O. J. Catal. 1999, 185, 114-119. [CrossRef].
141. Han, Z.; Chang, V.W.; Wang, X.; Lim, T.T.; Hildemann, L. Experimental study on visible-light induced photocatalytic oxidation of gaseous formaldehyde by polyester fiber supported photo catalysts. Chem. Eng. J. 2013, 218, 9-18. [Cross Ref].
142. Méndez-Román, R.; Cardona-Martinez, N. Relationship between the formation of surface species and catalyst deactivation during the gas-phase photo catalytic oxidation of toluene. Catal. Today 1998, 40, 353-365. [Cross Ref].