Photocatalytic Degradation of Methylene Blue with Side-glowing Optical Fiber Deliverying Visible Light

Abstract

Abstract: The side-glowing optical fibers (SOFs) were chosen as the conducting medium of endogenous light; and 20 mg·L^-1 methylene blue was chosen as the target to be degraded. The SOF is made up of quartz core with a silicon cladding, which can emit light through side surface more uniformly and transmit light for longer distance to avoid attenuation of light by liquid medium. The filament lamp was chosen as visible light source. Different reaction conditions, such as the presence of optical fiber or not, the quantity of SOF, light irradiation intensity were tested by measuring the methylene blue degradation of methylene blue. The results show that suitable reaction conditions were 1.167 g·L^-1 Ag⁺/TiO₂ with 7% (by mass) of Ag⁺ doped in TiO₂, and 500 roots of SOF (30 cm length in solution). The photocatalytic degradation efficiency under 300W lamp irradiation for 8h was about 97%. And the photocatalytic degradation efficiency of methylene blue degradation was proportional to SOF quantity, light irradiation intensity and catalytic dosage within a certain range. Compared with general UV and visible light SOFs could save a huge amount of energy and cost, in the potential applications in dealing with organic pollutants on a large scale.

Key words: side-glowing optical fiber, visible light, photocatalysis, Ag⁺/TiO₂ catalyst, methylene blue

摘要： The side-glowing optical fibers (SOFs) were chosen as the conducting medium of endogenous light; and 20 mg·L^-1 methylene blue was chosen as the target to be degraded. The SOF is made up of quartz core with a silicon cladding, which can emit light through side surface more uniformly and transmit light for longer distance to avoid attenuation of light by liquid medium. The filament lamp was chosen as visible light source. Different reaction conditions, such as the presence of optical fiber or not, the quantity of SOF, light irradiation intensity were tested by measuring the methylene blue degradation of methylene blue. The results show that suitable reaction conditions were 1.167 g·L^-1 Ag⁺/TiO₂ with 7% (by mass) of Ag⁺ doped in TiO₂, and 500 roots of SOF (30 cm length in solution). The photocatalytic degradation efficiency under 300W lamp irradiation for 8h was about 97%. And the photocatalytic degradation efficiency of methylene blue degradation was proportional to SOF quantity, light irradiation intensity and catalytic dosage within a certain range. Compared with general UV and visible light SOFs could save a huge amount of energy and cost, in the potential applications in dealing with organic pollutants on a large scale.

关键词: side-glowing optical fiber, visible light, photocatalysis, Ag⁺/TiO₂ catalyst, methylene blue

CHU Jinyu, ZHONG Lei. Photocatalytic Degradation of Methylene Blue with Side-glowing Optical Fiber Deliverying Visible Light[J]. Chin.J.Chem.Eng., 2012, 20(5): 895-899.

储金宇, 仲蕾. Photocatalytic Degradation of Methylene Blue with Side-glowing Optical Fiber Deliverying Visible Light[J]. Chinese Journal of Chemical Engineering, 2012, 20(5): 895-899.

References

1 Li,J.,Cheng,C.,Zhao,J.,Zhu,H.,Orthman,J.,"Photodegradation of dye pollutants on TiO₂ nanoparticles dispersed in silicate under UV-Vis irradiation",Appl.Catal.B Envir.,37,331-338 (2002).
2 Hager,S.,Bauer,R.,Udilka,G.K.,"Photocatalytic oxidation of gaseous chlorinated organic over titanium dioxide",Chemosphere,41,1219-1219 (2000).
3 Xie,Y.B.,Shen,X.W.,Yuan,C.W.,"A novel multi-tube photo reactor with UV light and immobilized TiO₂ thin film for water treatment",Chin.J.Chem.Eng.,11,27-32 (2003).
4 Zhu,X.D.,Castleberry,S.R.,Nanny,M.A.,Butler,E.C.,"Effects of pH and catalyst concentration on photocatalytic oxidation of aqueous ammonia and nitrite in titanium dioxide suspensions",Envir.Sci.Technol.,39,3784-3791 (2005).
5 Lin,Y.M.,Tseng,Y.H.,Huang,J.H.,Chao,C.C.,Chen,C.,Wang,I.,"Photocatalytic activity for degradation of nitrogen oxides over visible light responsive titania-based photocatalysts",Envir.Sci.Technol.,40,1616-1621 (2000).
6 Zhou,Y.S.,Jiang,G.W.,"Study on properties of composite oxides TiO₂/SiO₂ ",Chin.J.Chem.Eng.,10,349-353 (2002).
7 Dai,Z.M.,Burgeth,G.,Parrino,F.,Kisch,H.,"Visible light photocatalysis by a titania-rhodium (Ⅲ) complex",J.Organomet.Chem.,694,1049-1054 (2009).
8 Sobana,N.,Muruganadham,M.,Swaminathan,M.,"Nano-Ag particles doped TiO₂ for efficient photodegradation of direct azo dyes",J.Molecular Catal.A Chem.,258,124-132 (2006).
9 Rupa Valentine,A.,Maniandan,D.,Divakar,D.,Sivakumar,T.,"Effect of deposition of Ag on TiO₂ nanoparticles on the photodegradation of reactive Yellow-17",J.Hazard.Mater.,147,906-913 (2007).
10 Tayade,R.J.,Kulkarni,R.G.,Jasra,R.V.,"Enhanced photocatalytic avtivity of TiO₂-coated NaY and HY zeolites for the degradation of methylene blue in water ",Ind.Eng.Chem.Res.,46,369-376 (2007).
11 Tsoukleris,D.S.,Maggos,T.,Vassilakos,C.,Falaras,P.,"Photocatalytic degradation of volatile organics on TiO₂ embedded glass spherules",Catal.Today,129,96-101 (2007).
12 Liang,M.,Sun,S.Q.,Peng,S.C.,Chen,T.H.,Gan,H.,"Study on preparation and improvement of palygorskite-TiO₂ as a photocatalyst",J.Hefei University of Technology (Natural Science),32,145-149 (2009).(in Chinese)
13 Huang,H.,Du,Y.K.,Dai,J.T.,Yang,P.,"Prepared of TiO₂/ACF catalysts and their photo degradation on tetrachlorethylene",Photograph.Sci.Photochem.,25,123-129 (2007).
14 Danion,A.,Disdier,J.,Guillard,C.,Pa ssé,O.,Jaffrezic-Renault,N.,"Photocatalytic degradation of imidazolinone fungicide in TiO₂-coated optical fiber reactor",Appl.Catal.B Envir.,62,274-281 (2006).
15 Xu,J.J.,Ao,Y.H.,Fu,D.G.,Lin,J.,Lin,Y.H.,Shen,X.W.,Yuan,C.W.,Yin,Z.D.,"Photocatalytic activity on TiO₂-coated side-glowing optical fiber reactor under solar light",Photochem.Photobiol.A: Chem.,199,165-169 (2008)
16 Marinangeli,R.E.,Ollis,D.E.,"Photoassisted heterogenous catalysis with optical fibers (Ⅰ) Isolated single fiber",AIChE J.,23,415-426 (1977).
17 Marinangeli,R.E.,Ollis,D.E.,"Photoassisted heterogenous catalysis with optical fibers (Ⅱ) Nonisothermal single fiber and fiber bundle",AIChE J.,26,1000-1008 (1980).
18 Marinangeli,R.E.,Ollis,D.E.,"Photoassisted heterogenous catalysis with optical fibers (Ⅲ) Photoelectrodes",AIChE J.,28,945-955 (1982).
19 Choi,W.Y.,Ko,J.Y.,Park,H.,Chung,J.S.,"Investigation on TiO₂-coated optical fibers for gas-phase photocatalytic oxidation of acetone",Appl.Catal.B Envir.,31,209-220 (2001).
20 Hyunku,J.,Jeong,H.,Jeon,M.,Moon,I.,"The use of plastic optical fiber in photocatalysis of trichloroethylene",Solar Energy Mater.Solar Cells,79,93-101 (2003).
21 Cheng,Y.Q.,Li,L.L.,Yin,X.M.,Xu,J.,"Study on phase transformation and bactericidal activity of sol-gel Ag doped titania powders",Precious Metals,28,37-42(2007).(in Chinese)
22 Zhang,F.X.,Zhang,X.,Chen,J.X.,Liu,Z.G.,Gao,W.L.,Jin,R.C.,Guan,N.J.,"Preparation and characterization of Ag/TiO₂ nanoparticle catalyst and its photocatalytic activity",Chin.J.Catal.,11,877-880 (2003).(in Chinese)
23 Vinodgopal,K.,Kamat,P.V.,"Enhanced rates of photocatalytic degradation of an azo dye using SnO₂/TiO₂ coupled semiconductor thin films",Envir.Sci.Technol.,29,841-845 (1995).

[1]	Yaqiao Liu, Shuozhen Hu, Xinsheng Zhang, Shigang Sun. Investigation of photoelectrocatalytic degradation mechanism of methylene blue by α-Fe₂O₃ nanorods array [J]. Chinese Journal of Chemical Engineering, 2023, 57(5): 162-172.
[2]	Qian Zhu, Yan Zhuang, Hongqing Zhao, Peng Zhan, Cong Ren, Changsheng Su, Wenqiang Ren, Jiawen Zhang, Di Cai, Peiyong Qin. 2,5-Diformylfuran production by photocatalytic selective oxidation of 5-hydroxymethylfurfural in water using MoS₂/CdIn₂S₄ flower-like heterojunctions [J]. Chinese Journal of Chemical Engineering, 2023, 54(2): 180-191.
[3]	Duanlian Tang, Xiaoyan Chen, Jiayan Yan, Zhuo Xiong, Xiaoyu Lou, Changshen Ye, Jie Chen, Ting Qiu. Facile one-pot synthesis of a BiOBr/Bi₂WO₆ heterojunction with enhanced visible-light photocatalytic activity for tetracycline degradation [J]. Chinese Journal of Chemical Engineering, 2023, 53(1): 222-231.
[4]	Hongwei Guo, Linyuan Chen, Xueying Zhang, Huanhao Chen, Yan Shao. Silicalite-1 zeolite encapsulated Fe nanocatalyst for Fenton-like degradation of methylene blue [J]. Chinese Journal of Chemical Engineering, 2023, 53(1): 251-259.
[5]	Hao Zhou, Qi Yin. Hydrothermal preparation of Nb-doped NaTaO₃ with enhanced photocatalytic activity for removal of organic dye [J]. Chinese Journal of Chemical Engineering, 2022, 46(6): 142-149.
[6]	Feng Guo, Zhihao Chen, Xiliu Huang, Longwen Cao, Xiaofang Cheng, Weilong Shi, Lizhuang Chen. Ternary Ni₂P/Bi₂MoO₆/g-C₃N₄ composite with Z-scheme electron transfer path for enhanced removal broad-spectrum antibiotics by the synergistic effect of adsorption and photocatalysis [J]. Chinese Journal of Chemical Engineering, 2022, 44(4): 157-168.
[7]	Feng Guo, Haoran Sun, Yuxing Shi, Fengyu Zhou, Weilong Shi. CdS nanoparticles decorated hexagonal Fe₂O₃ nanosheets with a Z-scheme photogenerated electron transfer path for improved visible-light photocatalytic hydrogen production [J]. Chinese Journal of Chemical Engineering, 2022, 43(3): 266-274.
[8]	Zeng Wei Heng, Woon Chan Chong, Yean Ling Pang, Lan Ching Sim, Chai Hoon Koo. Photocatalytic degradation of organic pollutants using green oil palm frond-derived carbon quantum dots/titanium dioxide as multifunctional photocatalysts under visible light radiation [J]. Chinese Journal of Chemical Engineering, 2022, 51(11): 21-34.
[9]	Fenghongkang Pan, Yimeng Wang, Kaiqing Zhao, Jun Hu, Honglai Liu, Ying Hu. Photocatalytic degradation of tetracycline hydrochloride with visible light-responsive bismuth tungstate/conjugated microporous polymer [J]. Chinese Journal of Chemical Engineering, 2022, 41(1): 488-496.
[10]	Ali H. Jawad, Ahmed Saud Abdulhameed, Lee D. Wilson, Syed Shatir A. Syed-Hassan, Zeid A. ALOthman, Mohammad Rizwan Khan. High surface area and mesoporous activated carbon from KOH-activated dragon fruit peels for methylene blue dye adsorption: Optimization and mechanism study [J]. Chinese Journal of Chemical Engineering, 2021, 32(4): 281-290.
[11]	Rui Zheng, Chunhu Li, Chengzhen Zhang, Wentai Wang, Liang Wang, Lijuan Feng, Junjie Bian. Photo-reduction of NO by g-C₃N₄@foamed ceramic [J]. Chinese Journal of Chemical Engineering, 2020, 28(7): 1840-1846.
[12]	Dai Shi, He Yang, Xiangxin Xue. Preparation, characterization and antibacterial properties of cobalt doped titania nanomaterials [J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1474-1482.
[13]	Jinghang Li, Huimin Zang, Shun Yao, Zicheng Li, Hang Song. Photodegradation of benzothiazole ionic liquids catalyzed by titanium dioxide and silver-loaded titanium dioxide [J]. Chinese Journal of Chemical Engineering, 2020, 28(5): 1397-1404.
[14]	Jue Li, Li Wang, Chunqiu Han, Fengyun Su, Yumin Leng, Liqun Ye. Industrial TiO₂ based nacreous pigments as functional building materials: Photocatalytic removal of NO [J]. Chinese Journal of Chemical Engineering, 2020, 28(10): 2587-2591.
[15]	Ali H. Jawad, Khudzir Ismail, Mohd Azlan Mohd Ishak, Lee D. Wilson. Conversion of Malaysian low-rank coal to mesoporous activated carbon: Structure characterization and adsorption properties [J]. Chinese Journal of Chemical Engineering, 2019, 27(7): 1716-1727.