The degradation of 4-fluorophenol wastewater by intimately coupling photocatalysis and biofilm syestem
ZHONG Lan-lan1, YUAN Ji-lin1, LUO Hong-yang1, XIANG Wen-hao1, LI Lin-yang1, XIAO Chuan-bao1, ZHONG Nian-bing1,2
1. Intelligent Fiber Sensing Technology of Chongqing Municipal Engineering Research Center of Institutions of Higher Education, Chongqing Key Laboratory of Modern Photoelectric Detection Technology and Instrument, Chongqing Key Laboratory of Fiber Optic Sensor and Photodetector, Chongqing University of Technology, Chongqing 400054, China; 2. Liangjiang International College, Chongqing University of Technology, Chongqing 401135, China
Abstract：In this study, a novel intimately coupling photocatalysis and biodegradation (ICPB) system composed of N-doped TiO2- coated photocatalytic optical fibers, biofilm, nuclear pore membrane and UV-Visible LED light source was successfully demonstrated for rapid and continuous degradation of 4-fluorophenol (4-FP). We investigated the performance of isolated photocatalysis, separated microalgae biofilm and ICPB systems for the degradation of 4-FP. The results highlighted that the isolated photocatalytic system exposed low degradation (94.3% removal of 4-FP) and defluorination (24.7% defluorinated) in 12h. The isolated microalgae system exhibited better degradation performance than those of the photocatalysis in the first cycle, the removal of 4-FP and defluorinated reached to 98.9% and 90.9% in 10h; however, they decreased to 75.5% and 69.5% after three cycles, respectively. In the ICPB system, the biofilm, which enriched Rhodococcus, Pseudomonasand Achromobacter, led to synergism among photocatalysis, biodegradation and photosynthesis. This synergism provided rapid and continuous degradation of 4-FP, exhibited 100% removal of 4-FP after cycle 12, in 5h, accompanied with 89.4% removal of dissolved organic carbon and 78.3% defluorination.
Berger R, Resnati G, Metrangolo P, et al. Organic fluorine compounds:a great opportunity for enhanced materials properties[J]. Cheminform, 2011,40(7):3496-3508.
[2]
Murphy C D. Microbial degradation of fluorinated drugs:biochemical pathways, impacts on the environment and potential applications[J]. Applied Microbiology & Biotechnology, 2016,100(6):2617-2627.
[3]
张超杰,周琪,陈玲,等.氟苯酚好氧生物降解邻位羟基化研究[J]. 中国环境科学, 2006,26(7):52-55. Zhang J C, Zhou Q, Chen L, et al. Studies on ortho-hydroxylation aerobic biodegradation of flurophenols[J]. China Environmental Science, 2006,26(7):52-55.
[4]
Ferreira M I, Iida T, Hasan S A, et al. Analysis of two gene clusters involved in the degradation of 4-fluorophenol by Arthrobacter sp. strain IF1[J]. Applied and Environmental Microbiology, 2009, 75(24):7767-7773.
[5]
Zeng Z X, Li K X, Wei K, et al. Fabrication of highly dispersed platinum-deposited porous g-C3N4 by a simple in situ photoreduction strategy and their excellent visible light photocatalytic activity toward aqueous 4-fluorophenol degradation[J]. Chinese Journal of Catalysis, 2017,38(1):29-38.
[6]
Zhong N B, Chen M, Luo Y H, et al. A novel photocatalytic optical hollow-fiber with high photocatalytic activity for enhancement of 4-chlorophenol degradation[J]. Chemical Engineering Journal, 2019, 355:731-739.
[7]
Wu Y W, Zhong L L, Yuan J L, et al. Photocatalytic optical fibers for degradation of organic pollutants in wastewater:a review[J]. Environmental Chemistry Letters, 2020,19(70):1-12.
[8]
Selvam K, Muruganandham M, Muthuvel I, et al. The influence of inorganic oxidants and metal ions on semiconductor sensitized photodegradation of 4-fluorophenol[J]. Chemical Engineering Journal, 2007,128(1):51-57.
[9]
Wang Y B, Zhao H Y, Zhao G H. Iron-copper bimetallic nanoparticles embedded within ordered mesoporous carbon as effective and stable heterogeneous Fenton catalyst for the degradation of organic contaminants[J]. Applied Catalysis B Environmental, 2015,164:396-406.
[10]
Wu Z C, Zhou M H. Partial degradation of phenol by advanced electrochemical oxidation process[J]. Environmental Science & Technology, 2001,35(13):2698.
[11]
Zhang Y M, Liu H, Shi W, et al. Photobiodegradation of phenol with ultraviolet irradiation of new ceramic biofilm carriers[J]. Biodegradation, 2010,21(6):881-887.
[12]
Zhou D D, Xu Z X, Dong S S, et al. Intimate coupling of photocatalysis and biodegradation for degrading phenol using different light types:Visible light vs UV light[J]. Environmental Science & Technology, 2015,49(21):13075-6.
[13]
Xiong H F, Dong S S, Zhang J, et al. Roles of an easily biodegradable co-substrate in enhancing tetracycline treatment in an intimately coupled photocatalytic-biological reactor[J]. Water Research, 2018, 136(JUN.1):75.
[14]
Zhang Y M, Pu X J, Fang M M, et al. 2,4,6-trichlorophenol (TCP) photobiodegradation and its effect on community structure[J]. Biodegradation, 2012,23(4):575-583.
[15]
Li F, Lan X, Wang L, et al. An efficient photocatalyst coating strategy for intimately coupled photocatalysis and biodegradation (ICPB):Powder spraying method[J]. Chemical Engineering Journal, 2020, (383):123092.
[16]
Rittmann B E. Biofilms, active substrata, and me[J]. Water Research, 2018,132(APR.1):135-145.
[17]
Asahi R, Morikawa T, Ohwaki T, et al. Visible-light photocatalysis in nitrogen-doped titanium oxides[J]. Science, 2001,293(5528):269-271.
[18]
Wang Z K, Zhong N B, Chen M, et al. Photochemical reflective optical fiber sensor for selective detection of phenol in aqueous solutions[J]. Applied Optics, 2019,58(8):2091-2099.
[19]
Du Z Y, Hu B, Shi A M, et al. Cultivation of a microalga Chlorella vulgaris using recycled aqueous phase nutrients from hydrothermal carbonization process[J]. Bioresource technology, 2012,126:354-357.
[20]
HJ 503-2009水质挥发酚的测定4-氨基安替比林分光光度法[S]. HJ 503-2009 Water quality-Determination of volatile phenolic compounds-4-AAP spectrophotometric method[S].
[21]
郭梅,任学昌,王建钊,等.TiO2/pg-C3N4复合催化剂的制备及光催化性能[J]. 中国环境科学, 2019,39(12):5119-5125. Guo M, Ren X C, Wang J Z, et al. preparation and photocataylitic properties of TiO2/pg-C3N4 composite photocatalyst[J]. China Environmental Science, 2019,39(12):5119-5125.
[22]
李鑫,胡洪营,杨佳.LED红光/蓝光对栅藻LX1生长及产油特性的影响[J]. 环境科学, 2010,31(2). Li X, Hu H Y, Yang J. Effect of LED's red/blue Light on the growth characteristic and lipid production of scenedesmus sp. LX1[J]. Environmental Science, 2010,31(2).
[23]
尹军,谭学军,王雪峰,等.有机物降解和硝化过程中污泥摄氧速率的变化[J]. 中国环境科学, 2007,27(4):524-528. Yin J, Tan X J, Wang X F, et al. Variation of oxygen uptake rate in organic matter biodegradation and nitrification[J]. China Environmental Science, 2007,27(4):524-528.
[24]
Larkin M J, Kulakov L A, Allen C C. Biodegradation and Rhodococcus-masters of catabolic versatility[J]. Current Opinion in Biotechnology, 2005,16(3):282-290.
[25]
Martínková L, Uhnáková B, Pátek M, et al. Biodegradation potential of the genus Rhodococcus[J]. Environment International, 2009,35(1):162-177.
[26]
Cappelletti M, Presentato A, Piacenza E, et al. Biotechnology of Rhodococcus for the production of valuable compounds[J]. Applied Microbiology and Biotechnology, 2020,104(20):1-28.
[27]
Ferreira M I M, Iida T, Hasan S A, et al. Analysis of two gene clusters involved in the degradation of 4-fluorophenol by Arthrobacter sp. strain IF1[J]. Applied & Environmental Microbiology, 2009,75(24):7767-7773.
[28]
Shingler P V. Genetics and biochemistry of phenol degradation by Pseudomonas sp. CF600[J]. Biodegradation, 1994,5(3/4):219-236.
[29]
Hill G A, Robinson C W. Substrate inhibition kinetics:Phenol degradation by Pseudomonas putida[J]. Biotechnology & Bioengineering, 1975,17(11):1599-1615.
[30]
Gracioso L H, Vieira P B, Baltazar M P G, et al. Removal of phenolic compounds from raw industrial wastewater by Achromobacter sp. isolated from a hydrocarbon-contaminated area[J]. Water and Environment Journal, 2019,33(1):40-50.
