Treatment of Dimethoate Aqueous Solution by Using Ultrasonic Airlift Loop Reactor

摘要/Abstract

摘要： Ultrasonic airlift loop reactor (UALR) shows potential and wide application for wastewater treatment. In this paper the performance and efficiency of UALR in dimethoate degradation were presented. The effects of O₃ flow rate, ultrasonic intensity and initial concentration of dimethoate on degradation rate were investigated. UALR imposed a synergistic effect combining sonochemical merit with high O₃ transfer rate. The results showed that UALR not only increased degradation rate, but also was better than the simple sum of degradation by O₃ and ultrasound separately. Under the operation conditions of O₃ flow of 0.34 m³·h^-1, ultrasonic intensity 3.71 W·cm^-2, and initial concentration of dimethoate at 20 mg·L^-1, the degradation rate of dimethoate increased to 80%. UALR seems an advisable choice for treating organic wastewater and this process may have wide application prospect in industry.

关键词: dimethoate, ultrasound, airlift loop reactor, O₃, synergistic effect, degradation

Abstract: Ultrasonic airlift loop reactor (UALR) shows potential and wide application for wastewater treatment. In this paper the performance and efficiency of UALR in dimethoate degradation were presented. The effects of O₃ flow rate, ultrasonic intensity and initial concentration of dimethoate on degradation rate were investigated. UALR imposed a synergistic effect combining sonochemical merit with high O₃ transfer rate. The results showed that UALR not only increased degradation rate, but also was better than the simple sum of degradation by O₃ and ultrasound separately. Under the operation conditions of O₃ flow of 0.34 m³·h^-1, ultrasonic intensity 3.71 W·cm^-2, and initial concentration of dimethoate at 20 mg·L^-1, the degradation rate of dimethoate increased to 80%. UALR seems an advisable choice for treating organic wastewater and this process may have wide application prospect in industry.

Key words: dimethoate, ultrasound, airlift loop reactor, O₃, synergistic effect, degradation

刘越男, 金栋, 吕效平, 韩萍芳. Treatment of Dimethoate Aqueous Solution by Using Ultrasonic Airlift Loop Reactor[J]. , 2008, 16(3): 361-364.

LIU Yuenan, JIN Dong, LÜXiaoping, HAN Pingfang. Treatment of Dimethoate Aqueous Solution by Using Ultrasonic Airlift Loop Reactor[J]. , 2008, 16(3): 361-364.

参考文献

1 Li,B.X.,He,Y.Z.,Xu,C.L.,"Simultaneous determination of three organophosphorus pesticides residues in vegetables using continuous-flow chemiluminescence with artificial neural network calibration",Talanta,72,223-230(2007).
2 Sana,B.,Yaghoub,A.,Mansoor,A.,"Dispersive liquid-liquid microextraction combined with gas chromatography-flame photometric detection very simple,rapid and sensitive method for the determination of organophosphorus pesticides in water",J.Chromat.A,1123,1-9(2006).
3 Mohammed,A.M.,Zaid,A.A.,"The application of high frequency ultrasound waves to remove ammonia from simulated industrial wastewater",Ultrasonics Sonochem.,14,393-397(2007).
4 Liu,X.L.,Wen,J.E,Yuan,Q.,"The pilot study for oil refinery wastewater treatment using a gas-liquid-solid three-phase flow airlift loop bioreactor",Biochem.Eng.J.,27(1),40-44(2005).(in Chinese)
5 Wen,J.E,Jia,X.Q.,Pan,L.,"Nitrifying treatment of wastewater from fertilizer production in a multiple airlift loop bioreactor",Biochem.Eng.J.,25(1),33-37(2005).(in Chinese)
6 Zheng,Y.G.,Chen,X.L.,Wang,Z.,"Production of single-cell protein from hydrolysate of rice hull in external-loop airlift bioreactors",Environ.Sci.,21(3),85-88(2000).(in Chinese)
7 Wen,J.P.,Wang,C.L.,Qiao,P.,"The preparation of 2-chloro-5-methyl-pyridine in airlift loop reactor",Chem.Eng.J.,95,33-36(2003).
8 Zhang,P.,Yang,M.,Lu,X.P.,Han,P.F.,"The preparation of ε-caprolactone in airlift loop sonochemical reactor",Chem.Eng.J.,121,59-63(2006).
9 Tang,L.X.,Han,P.F.,Lu,X.P.,"Study on hydrodynamics in ultrasonic airlift reactor",J.Nanjing Univ.Technol.,25(1),41-45(2003).(in Chinese)
10 Tang,L.X.,Han,P.F.,Lu,X.P.,"Experimental study of mass transfer characteristics in ultrasonic airlift reactor",J.Chem.Eng.Chin.Univ.,17(3),243-247(2003).(in Chinese)
11 Huang,Y.Q.,Lu X.P.,Wei,R.F.,"Mass transfer characteristics in ultrasonic internal airlift loop reactor",J.Chem.Eng.Chin.Univ.,20(5),707-711(2006).(in Chinese)
12 Xu,N.,Lu,X.P,Wang,Y.R.,"Study on pentaclorophenol ion solution degradation in airlift sonochemical reactor",J.Nanjing Univ.Technol.,27(3),26-29(2005).(in Chinese)
13 Kong,L.M.,Gu,H.P.,Lu,X.P.,"Application of ultrasonic internal loop airlift reactor in removal of phenol from water",Environ.Protect.Chem.Ind.,24(6),462-466(2004).(in Chinese)
14 Zhang,P.,Yang,M.,Lu,X.P.,Han,P.F.,"Baeyer-villiger oxidation of cyclohexanone to ε-caprolactone in airlift sonochemical reactor",Ultrasonics,44,e393-e395(2006).
15 Zhang,P.,Yang,M.,Lu,X.P.,Han,P.F.,"Epoxidation of cyclohexene with oxygen in ultrasound airlift loop reactor",Chin.J.Chem.Eng.,15(2),196-199(2007).
16 Ajay,K.,Parag,R.G.,Aniruddha,B.P.,"Investigation of induction of air due to ultrasound source in the sonochemical reactors",Ultrason.Sonochem.,12(6),453-460(2005).
17 Weavers,L.K.,Hoffmann,M.R.,"Sonolytic decomposition of ozone in aqueous solution:mass transfer effects",Environ.Sci.Technol.,32,3941-3947(1998).
18 Ince,N.H.,Tezcanl,G,"Reactive dyestuff degradation by combined sonolysis and ozonation",Dyes Pigments,49,145-153(2001).

[1]	Bo Yu, Guang Fu, Xinpei Li, Libo Zhang, Jing Li, Hongtao Qu, Dongbin Wang, Qingfeng Dong, Mengmeng Zhang. Arsenic removal from acidic industrial wastewater by ultrasonic activated phosphorus pentasulfide[J]. 中国化学工程学报, 2023, 60(8): 46-52.
[2]	Jinlong Liu, Chenye Wang, Xingrui Wang, Chen Zhao, Huiquan Li, Ganyu Zhu, Jianbo Zhang. Reconstruction and recovery of anatase TiO₂ from spent selective catalytic reduction catalyst by NaOH hydrothermal method[J]. 中国化学工程学报, 2023, 60(8): 53-60.
[3]	Xia Miao, Xiaofan Pang, Shiyu Li, Haoguang Wei, Jianhao Yin, Xiangming Kong. Mechanical strength and the degradation mechanism of metakaolin based geopolymer mixed with ordinary Portland cement and cured at high temperature and high relative humidity[J]. 中国化学工程学报, 2023, 60(8): 118-130.
[4]	Xiaolin Pan, Mengyuan Gao, Yun Wang, Yanping He, Tian Si, Yanlin Sun. Poly(lactic acid)-aspirin microspheres prepared via the traditional and improved solvent evaporation methods and its application performances[J]. 中国化学工程学报, 2023, 60(8): 194-204.
[5]	Yuehua Liu, Lili Chen, Shoujun Liu, Song Yang, Ju Shangguan. Role of iron-based catalysts in reducing NO_x emissions from coal combustion[J]. 中国化学工程学报, 2023, 59(7): 1-8.
[6]	Mingzhi Li, Zhikai Liu, Wang Yao, Chao Xu, Yangping Yu, Mei Yang, Guangwen Chen. Ultrasonic cavitation-enabled microfluidic approach toward the continuous synthesis of cesium lead halide perovskite nanocrystals[J]. 中国化学工程学报, 2023, 59(7): 32-41.
[7]	Wei Wang, Romain Lemaire, Ammar Bensakhria, Denis Luart. Thermogravimetric analysis and kinetic modeling of the co-pyrolysis of a bituminous coal and poplar wood[J]. 中国化学工程学报, 2023, 58(6): 53-68.
[8]	Hu Chen, Ying Wang, Puyu Wang, Yongkang Lv. Assessing quinoline removal performances of an aerobic continuous moving bed biofilm reactor (MBBR) bioaugmented with Pseudomonas citronellolis LV1[J]. 中国化学工程学报, 2023, 57(5): 132-140.
[9]	Yaqiao Liu, Shuozhen Hu, Xinsheng Zhang, Shigang Sun. Investigation of photoelectrocatalytic degradation mechanism of methylene blue by α-Fe₂O₃ nanorods array[J]. 中国化学工程学报, 2023, 57(5): 162-172.
[10]	Xinyu Yang, Zezhi Chen, Huijuan Gong. Coking of Pt/γ-Al₂O₃ catalyst in landfill gas deoxygen and its effects on catalytic performance[J]. 中国化学工程学报, 2023, 57(5): 224-232.
[11]	Jiajun Wang, Wenbin Yang, Jiangtao Geng, Zhigang Shao, Wei Song. Experimental investigation on degradation mechanism of membrane electrode assembly at different humidity under automotive protocol[J]. 中国化学工程学报, 2023, 56(4): 70-79.
[12]	Iltaf Khan, Chunjuan Wang, Shoaib Khan, Jinyin Chen, Aftab Khan, Sayyar Ali Shah, Aihua Yuan, Sohail Khan, Mehwish K. Butt, Humaira Asghar. Bio-capped and green synthesis of ZnO/g-C₃N₄ nanocomposites and its improved antibiotic and photocatalytic activities: An exceptional approach towards environmental remediation[J]. 中国化学工程学报, 2023, 56(4): 215-224.
[13]	Qiaoqiao Liu, Guihong Lin, Jian Zhou, Liangliang Huang, Chang Liu. Hydrogen-bond mediated and concentrate-dependent NaHCO₃ crystal morphology in NaHCO₃–Na₂CO₃ aqueous solution: Experiments and computer simulations[J]. 中国化学工程学报, 2023, 55(3): 49-58.
[14]	Yaoyao Peng, Lei Song, Siru Lu, Ziyu Su, Kui Ma, Siyang Tang, Shan Zhong, Hairong Yue, Bin Liang. Superior resistance to alkali metal potassium of vanadium-based NH₃-SCR catalyst promoted by the solid superacid SO₄^2--TiO₂[J]. 中国化学工程学报, 2023, 55(3): 246-256.
[15]	Abid Ali, Bilal Ul Amin, Wenwu Yu, Taijiang Gui, Weiwei Cong, Kai Zhang, Zheming Tong, Jiankun Hu, Xiaoli Zhan, Qinghua Zhang. Eco-friendly biodegradable polyurethane based coating for antibacterial and antifouling performance[J]. 中国化学工程学报, 2023, 54(2): 80-88.