第六章 結論與建議
6.2 建議
至目前為止結合光觸媒與活性碳的研究中，大多以 TiO2觸媒為主，仍少有 以複合行是的光觸媒與活性碳結合進行研究，且結合光觸媒與活性碳處理水中有 機物時，吸附與光催化分解間的反應機制至目前尚未有一明確的研究說明，大部 分的研究文獻中多是由反應結果，推論被活性碳吸附的化合物是經由擴散移動至 光觸媒附近在進而光催化分解。因此本研究建議有下列幾點：
可繼續設計一實驗流程，瞭解光觸媒結合活性碳的反應機制
嘗試於活性碳上合成奈米級光觸媒研究其可行性
應用於其他難分解之水中有機物之研究
設計一連續式反應槽，評估光觸媒/活性碳的應用性
利用可見光或是太陽光進行水處理的研究
參考文獻
Alivisatos A.P. (1996) Perspectives on the physical chemistry of semiconductor nanocrystals. J.Phys.Chem. 100, 13226-13239.
Arabatzis, M.I.; Antonaraki, S.; Stergiopoulos, T.; Hiskia, A.; Papaconstantinou, E.;
Bernard, M.C.; Falaras, P. (2002) Preparation, characterization and photocatalytic activity of nanocrystalline thin film TiO2catalysts towards 3,5-dichlorophenol degradation, J. Photoch. Photobio. A. 149, 237-245.
Bacsa R.R., Kiwi J. (1998) Effect of rutile phase on the photocatalytic properties of nanocrystalline titania during the degradation of p-coumaric acid. Appl. Catal.B 16,19-29
Cachet H., Essaaidi H., Froment M. and Maurin G. (1995) Chemical bath deposition of CdSe layers from Cd(Ⅱ)-selenosulfite solutions. J. Electro. Chem. 396, 175-182.
Chang H.T., Wu N.M. and Zhu F. (2000) A kinetic model for photocatalytic degradation of organic contaminants in a thin-film TiO2 catalyst. Wat.Res. Vol.34, No.2, 407-416.
Chen J.N., Chan Y.C., Lu M.C. (1999) Photocatalytic oxidation of chlorophenols in the presence of manganese ions. Wat. Sci. Tech. 39,225-230.
Cheng S.F., Tsai S.J. and Lee Y.F. (1995) Photocatalytic decomposition of phenol over titanium oxide of various structures. Catal. Today. 26, 87-96.
Cho Y.M., Choi W.Y, Lee C.H., Hyeon T.H, Lee H.I. (2001) Visible light-induced degradation of carbon tetrachloride on dye-sensitized TiO2. Environ. Sci. Technol.
35,966-970
Doong R.A., Chen C.H., Maithreepala R.A. and Chang S.M. (2001) The influence of pH and cadmiun sulfide on the photocatalytic degradation of 2-chlorophenol in titanium dioxide suspensions. Wat. Res. Vol.35, No.12, 2873-2880.
Doong R.A. and Chang W.H. (1998) Photodegradation of parathion in aqueous titanium dioxide and zero valent iron solutions in the presence of hydrogen peroxide.
J. Photochem. Photobiol. A. 116,221-228.
Doong R.A. and Chang W.H. (1997) Photoassisted titanium dioxide mediated degradation of organophosphorus pesticides by hydrogen peroxide. J. Photochem.
Photobiol. A. 107,239-244.
El-Sheikh A.H., Newman A.P., Al-Daffaee H., Phull S., Cresswell N., York S. (2004) Deposition of anatase on the surface of activated carbon. Surf. Coat. Tech. 187, 284-292.
Fox M.A. and Dulay M.T. (1993) Heterogenous photocatalysis. Chem.Rev. 93, 341-357.
Fujii H., Ohtaki M., Eguchi K. and Arai H. (1998) Preparation and photocatalytic activities of a semiconductor composite of CdS embedded in a TiO2 gel as a stable oxide semiconducting matrix. J. Molecular Catalysis A 129,61-68.
Fujishima A., Rao T.N. and Tryk D.A. (2000) Titanium dioxide photocatalysis. J.
Photochem. Photobiol. C: Photochem. Reviews. 1 ,1-21.
Fu X., Clark L.A., Yang Q., Anderson M.A. (1996) Enhanced photocatalytic performance of titania-based binary metal oxides: TiO2/SiO2 and TiO2/ZrO2.
Environ. Sci. Tech. 30,647-653
Fukahori S., Ichiura H., Kitaoka T., Tanaka H. (2003) Photocatalytic decomposition of bisphenol A in water using composite TiO2-zeolite sheets prepared by a
papermaking technique. Environ. Sci. Technol. 37, 1048-1051.
Gorer S. and Hodes G. (1994) Quantum size effects in the study of chemical solution deposition mechanisms of semiconductor films. J. Phys. Chem. 98, 5338-5346.
Gorer S., Hodes G., Sorek Y. and Reisfeld R. (1997) Crystal phase transformation in sol-gel films of nanocrystalline CdSe and CdS. Meter. Lett. 31, 209-214.
Herrmann J.M. (1995) Heterogeneous photocatalysis: an emerging discipline involving multiphase systems. Catalsis Today 24,157-164
Herrmann J.M. (1999) Hetergeneous photocatalysis: fundamentals and applications to the removal of various types of aqueous pollutants. Catalysis Today 53, 115-129.
Hirano K., Asayama H., Hoshino A. Wakatsuki H. (1997) Metal powder addition effect on the photocatalytic reactions and the photo-generated electric charge
collected at an inert electrode in aqueous TiO2 suspensions. J. Photochem. Photobiol.
A. 110, 307-311.
Hoffmann M.R., Martin S.T., Choi W. and Bahnemann D.W. (1995) Environmental application of semiconductor photocatalysis. Chem. Rev. 95, 69-96.
Houas A., Lachheb H., Ksibi M., Elaloui E., Guillard C. and Herrmann J.M. (2001) Photocatalytic degradation pathway of methylene blue in water. Appl.Catal.B 31, 145-157.
Hsien Y.H., Chang C.F., Chen Y.H. and Cheng S. (2001) Photodegradation of aromatic pollutants in water over TiO2 supported on molecular sieves. Appl.Catal.B 31, 241-249.
Jardim W.F., Moraes S.G. and Takiyama M.K. (1997) Photocatalytic degradation of aromatic chlorinated compounds using TiO2 : toxicity of intermediates. Wat.Res.
Vol.31, No.7, 1728-1732.
Kang M.G.,Han H.E. and Kim K.J. (1999) Enchanced photodecomposition of 4-chlorophenol in aqueous solution by deposition of CdS on TiO2. J. Photochem.
Photobiol. A. 125, 119-125.
Kingery W.D., Bowen H.K. and Uhlmann D.R. (1976) Introduction to Ceramics, 2nd ed., John Wiley＆Sons, New York, pp.187,476.
Kishimoto H., Takahama K., Hashimoto N., Aoi Y., Deki S. (1998) Photocatalytic activity of titanium oxide prepared by liquid phase deposition (LPD). J. Mater. Chem.
8(9),2019-2024.
Koh I.O. and Thiemann W. (2001) Study of photochemical oxidation of standard
chlorinated paraffins and identification of degradation products. J. Photochem.
Photobiol. A. 139, 205-215.
Kormann C., Bahnemann D.W., Hoffmann M.R. (1991) Photolysis of chloroform and other organic molecules in aqueous TiO2 suspansions. Environ. Sci. Tech.
25,494-500
Ku Y., Leu R.M., Lee K.C. (1996) Decomposition of 2-chlorophenol in aqueous solution by UV irradiation with the presence of titanium dioxide. Wat. Res.
30,2569-2578
Kumar A. and Jain A.K. (2001) Photophysics and photochemistry of colloidal
CdS-TiO2 coupled semiconductors—photocatalytic oxidation of indole. J. Molecular Catalysis A 165, 265-273.
Lee G.D., Tuan V.A. and Falconer J.L. (2001) Photocatalytic oxidation and decomposition of acetic acid on titantium silicalite. Environ. Sci. Technol.35, 1252-1258.
Li X.Z., Li F.B., Yang C.L., Ge W.K. (2001) Photocatalytic activity of WOx-TiO2 under visible light irradiation. J. Photoch. Photobio. A. 141, 209-217.
Li Y. (1997) Organic Photochemistry-Photochemical reactions on semiconductor particles for organic synthesis. pp 295-303.
Linsebigler A.L., Lu G. and Yates Jr.J.T. (1995) Photocatalysis on TiO2 surface:
principles, mechanisms, and selected results. Chem.Rev. 95, 735-758.
Litter M.I. (1999) Heterogeneous photocatalysis transistion metal ions in photocatalytic systems. Appl.Catal.B 23, 89-114.
Lu M.C., Chen J.N, Chang K.T. (1999) Effect of Adsorbents coated with titanium dioxide on the photocatalytic degradation of propoxur. Chemosphere. 38. 617-627.
Mandal K. C. and Savadogo O. (1991) High-efficiency chemically deposited CdSe photoelectrochemical solar cells: effect of WiW12O404- incorporation. J. Mater. Sci.
Lett. 10, 1446-1448.
Martin C., Solana G., Rives V., Marci G., Palmisano L., Sclafani A. (1997) Physico-chemical properties of WO3/TiO2 systems employed for 4-nitrophenol photodegradation in aqueous medium. Catal. Lett. 49, 235-243.
Matos J., Laine J. and Herrmann J.M. (2001) Effect of the type of activated carbons on the photocatalytic degradation of aqueous organic pollutants by UV-irradiated titania. J. Catal. 200, 10-20.
Milla A., Davies R.H. and Worsley D. (1993a) Water purification by semiconductor photocatalysis. Chem.Soc.Rev. 22, 417-425.
Mills A., Belghazi A., Rodman D. (1996) Bromate removal from drinking water by semiconductor photocatalysis. Wat. Res. 30,1973-1978
Mills A. and Le Hunte S. (1997) An overview of semiconductor photocatalysis. J.
Photochem. Photobiol. A. 108, 1-35.
Nasr C., Kamat P.V. and Hotchandani S. (1997) Photoelectrochemical behavior of
coupled SnO2/CdSe nanocrystalline semiconductor films. J. Electroanalytical Chem.
420, 201-207.
Nazir M., Takasaki J. and Kumazawa H. (2003) Photocatalytic degradation of gaseous ammonia and trichloroethylene over TiO2ultrafine powers deposited on activated carbon particles. Chem. Eng. Comm. 190, 322-333.
Nemec P., Mikes D., Rohovec J., Uhlirova E., Trojanek F. and Maly P. (2000) Light-controlled growth of CdSe nanocrystalline films prepared by chemical deposition. Meter. Sci. Eng. B69-70, 500-504.
Nozik A.J. and Memming R. (1996) Physical chemistry of semiconductor -Liquid interfaces. J. Phys. Chem. 100, 13061-13078.
O’Regan B.,MoserJ.,Anderson M.and GrätzelM.(1990)Vectorialelectron injection into transparent semiconductor membranes and electric field effects on the dynamics of light-induced charge separation. J.Phys.Chem. 94, 8720-8726.
Ormad M.P., Ovelleiro J.L. and Kiwi J. (2001) Photocatalytic degradation of
concentrated solutions of 2,4-dichlorophenol using low energy light identification of intermediates. Appl.Catal.B 32,157-166.
Patil A.J., Shinde M.H., Potdar H.S., Deshpande S.B., Sainkar S.R., Mayadevi S. and Date S.K. (2001) Chemical synthesis of titania (TiO2) power via mixed precursor route for membrane applications. Materl.Chem.Phys. 68,7-16.
Peiró A.M., Ayllón J.A., Peral J. and Doménech (2001) TiO2-Photocatalyzed degradation of phenol and ortho-substituted phenolic compounds. Appl.Catal.B 30,359-373.
Piscopo A., Robert D. and Weber J.V. (2001) Comparison between the reactivity of commercial and synthetic TiO2 photocatalysts. J. Photochem. Photobiol. A.
139,253-256.
Ranjit K.T., Willner I., Bossmann S.H. and Braun A.M.(2001) Lanthanide
oxide-doped titanium dioxide photocatalysts: Novel photocatalysts for the enhanced degradation of p-Chlorophenoxyacetic Acid. Environ. Sci. Techol. 35 , 1544-1549.
Reddy E.P., Davydov L. and Smirniotis P. (2003) TiO2-loaded zeolites and
mesoporous materials in the sonophotocatalytic decomposition of aqueous organic pollutants: the role of the support. Appl. Catal. B-Environ. 42, 1-11.
Robertson P.K.J. (1996) Semiconductor photocatalysis: an environmentally
acceptable alternative production technique and effluent treatment process. J.Cleaner Prod. Vol.4, No.3-4, 203-212.
Ruan S., Wu F., Zhang T., Gao W., Xu B. and Zhao M. (2001) Surface state studies of TiO2 nanoparticles and photocatalytic degradation of methyl orange in aqueous TiO2 dispersions. Materl.Chem.Phys. 69, 7-9.
San N.,Hatipoğlu A.,Koçtürk G.and ÇinarZ.(2001)Prediction ofprimary intermediates and photodegradation kinetics of 3-aminophenol in aqueous TiO2 suspensions. J. Photochem. Photobiol. A. 139,225-232.
Sanchez E., Lopez T. (1995) Effect of the preparation method on the band gap of
titanian and platinum-titania sol-gel materials. Mater. Lett. 25,271-275
Schiavello M. (1993) Some working principles of heterogeneous photocatalysis by semiconductors. Electrochimica Acta 38, No.1,11-14.
Sclafani A., Herrmann J.M. (1998) Influence of metallic silver and platinum-silver bimetallic deposits on the photocatalytic activity of titania (anatase and rutile) in organic and aqueous media. J. Photochem. Photobiol. A 113,181-188
Senogles P.J., Scott J.A., Shaw G. and Stratton H. (2001) Photocatalytic degradation of the cyanotoxin cylindrospermopsin, using titanium dioxide and UV irradiation.
Wat.Res. Vol.35, No.5, 1245-1255.
Serpone N., Pichat P., Herrmann J.M. and Perlizzetti E. (1987) Inter-particle electron transfer in semiconductor dispersions : A new strategy in photocatalysis.
V.Balzani(ed.), Supramolecular Photochemistry, 415-434.
Serpone N. and Perlizzetti E. (1989) Photocatalysis－Fundamentals and applications., John Wiley & Sons : New York.
Serpone N., Maruthamuthu P., Pichat P., Perlizzetti E. and Hidaka H. (1995)
Exploiting the interparticle electron transfer process in the photocatalysed oxidation of phenol, 2-chlorophenol and pentachlorophenol: chemical evidence for electron and hole transfer between coupled semiconductors. J. Photochem. Photobiol. A. 85,24 7-255.
Shi L., Li C., Gu H. and Fang D. (2000) Morphology and properties of ultrafine SnO2-TiO2 coupled semiconductor particles. Materl.Chem.Phys. 62,62-67.
Sokmen M., Allen D.W., Hewson A.T. and Clench M.R. (2001) Photocatalytic oxidation degradation of 2-methylthiophene in suspensions of TiO2: identification of intermediates and degradation pathways. J. Photochem. Photobiol. A. 141,63-67.
Stafford U., Gray K.A. and Kamat P.V. (1994) Radiolytic and TiO2-assisted
photocatalytic degradation of 4-chlorophenol. A comparative study. J.Phys.Chem. 98, 6343-6351.
Sun L. and Bolton J.R. (1996) Determination of the quantum yield for the
photochemical generation of hydroxyl radicals in TiO2 suspensions. J.Phys.Chem.
100, 4127-4134.
Takeda N.,Iwata N., Torimoto T. and Yoneyama H. (1998) Influence of carbon black as an adsorbent used in TiO2 photocatalyst films on photodegradation behaviors of Propyamide. J.Catalysis 177 , 240-246.
Tennakone K., Tilakaratne C.T.K., Kottegoda I.R.M. (1997) Photomineralization of carbofuran by TiO2-supported catalyst. Wat. Res. 31,1909-1912
Topalov A., Molnár-gáborD.,KosanićM.and AbramovićB.(2000)
Photomineralization of the herbicide mecoprop dissolved in water sensitized by TiO2.
Wat.Res. Vol.34, No.5, 1473-1478.
Torimoto T., Ito S., Kuwabata S. and Yoneyama H. (1996) Effects of adsorbents used as supports for Titanium Dioxide loading on photocatalytic degradation of
Propyzamide. Environ. Sci. Techol. 30 , 1275-1281.
Vinodgopal K., Hotchandani S. and Kamat P.V. (1993) Electrochemically assisted photocatalysis. TiO2 particulate film electrodes for photocatalytic degradation of 4-Chlorophenol. J.Phys.Chem. 97, 9040-9044.
Vinodgopal K., Stafford U., Gray K.A. and Kamat P.V. (1994) Electro- chemically assisted photocatalysis. 2.The role of oxygen and reaction intermediates in the degradation of 4-Chlorphenol on immobilized TiO2 particulate films. J.Phys.Chem.
98, 6797-6803.
Vinodgopal K. and Kamat P.V. (1995) Electrochemically assisted photocatalysis using nanocrytalline semiconductor thin films. Solar Energy Materials and Solar Cells 38, 401-410.
Xi W. and Geissen S.U. (2001) Separation titanium dioxide from photocatalytically treated water by cross-flow microfiltration. Wat.Res. Vol.35, No.5, 1256-1262.
Yamazaki S., Matsunaga S. and Hori K. (2001) Photocatalytic degradation of trichloroethylene in water using TiO2 pellets. Wat.Res. Vol.35, No.4, 1022-1028.
Yang J., Li D., Zhang Z., Li Q. and Wang H. (2000) A study of the photocatalytic oxidation of formaldehyde on Pt/Fe2O3/TiO2 J. Photochem. Photobiol. A.
137,197-202.
Yin H., Wada Y., Kitamura T., Yanagida S. (2001) Photoreductive dehalogenation of halogenated benzene derivatives using ZnS or CdS nanocrystallites as photocatalysts.
Environ. Sci. Tech. 35,227-231
Yoneyama H. and Torimoto T. (2000) Titanium dioxide/adsorbent hybrid
photocatalysts for photodestruction of organic substances of dilute concentrations.
Catalysis Today 58 ,133-140.
Yu J., Zhao X. and Zhao Q. (2001) Photocatalytic activity of nanometer TiO2 thin films prepared by the sol-gel method. Materl.Chem.Phys. 69, 25-29.
Zhang Z., Wang C.C., Zakaria R. and Ying J.Y. (1998) Rule of particle size in nanocrystalline TiO2-based photocatalysis. J.Phys.Chem. B 102, 10871- 10878.
Zhang Q., Gao L., Guo J. (2000) Effects of calcinations on the photocatalytic properties of nanosized TiO2 powders prepared by TiCl4 hydrolysis. Appl. Catal. B 26,207-215
Zorn M.E., Tompkins D.T., Zeltner W.A. and Anderson M.A. (1999) Photocatalytic oxidation of acetone vapor on TiO2/ZrO2 thin films. Appl.Catal.B 23,1-8.
Zorn M.E., Tompkins D.T., Zeltner W.A. and Anderson M.A. (2000) Catalytic and photocatalytic oxidation of ethylene on titania-based thin-films. Environ.Sci.Technol.
34,5206-5210.
張明毅、謝永旭、王國華，以 UV/TiO2 程序處理染整廢水可行性之研究，第二 十四屆廢水處理技術研討會論文集，pp.327-333(1999)