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含能材料  2015 

FeⅡ(EDTA)2-溶液吸收NO气体的传质-反应过程

DOI: 10.11943/j.issn.1006-9941.2015.03.016

Keywords: NO FeⅡ(EDTA)2- 传质-反应过程 鼓泡反应器

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Abstract:

湿式氧化法在处理火炸药生产过程中产生的氮氧化物(NOx)废气时存在难以快速氧化吸收NO的问题, 导致NOx吸收效率较低。为解决此问题, 在鼓泡反应器中, 采用亚铁络合物FeⅡ(EDTA)2-作为吸收剂吸收NO气体, 通过考察吸收液浓度、NO气体浓度等对吸收速率的影响, 分析了NO吸收的传质-反应过程, 并且推导了NO吸收过程的理论模型。结果表明:在实验考察范围内, NO吸收速率随NO浓度升高呈线性升高, FeⅡ(EDTA)2-吸收NO是一个拟一级快速反应过程。吸收过程模型计算值与实验值的误差小于5%, 两者的一致性较好, 可以用来描述NO吸收的传质-反应过程

References

[1]  王莉, 赵伟荣, 吴忠标.金属络合吸收剂在湿法脱硝中的应用[J].环境工程学报2007,1(2): 88-93.WANG Li, ZHAO Wei-rong, WU Zhong-biao.Application of metal complexes absorption in wet NOx absorption system[J].Journal of Environmental Engineering, 2007,1(2): 88-93.
[2]  Hishinuma Y, Kaji R.Reversible binding of NO to Fe(Ⅱ) EDTA[J].Bulletin of Chemical Society Japan.1979,52(10): 2863-2865.
[3]  Demmink J F, Beenackers A A C M.Absorption of nitric oxide into aqueous solutions of ferrous chelates accompanied by instantaneous reaction[J].Industrial & Engineering Chemistry Research.1997,36: 4914-4927.
[4]  许越.化学反应动力学[M].北京: 化学工业出版社, 2005.XU Yue.Chemical reaction kinetics[M].Beijing: Chemical Industry Press, 2005.
[5]  叶庆国.分离工程[M].北京: 化学工业出版社,2009: 134-139.YE Qing-guo.Separation Engineering[M].Beijing: Chemical Industry Press, 2009: 134-139.
[6]  钟秦, 陈迁乔, 王娟, 等.化工原理[M].北京: 国防工业出版社, 2009: 267-280.ZHONG Qin, CHEN Qian-qiao, WANG Juan, et al.The principle of Chemical Engineering[M].Beijing: National Defence Industry Press, 2009: 267-280.
[7]  Gambardella F, Alberts M S, Winkelman J G.Emperimental and modeling studies on the absorption of NO in aqueous ferrous EDTA solutions[J].Industrial & Engineering Chemistry Research, 2005,44: 4234-4242.
[8]  YE Qun-feng.Gasous mercury absorption from simulated flue gas[D].Hangzhou: Zhejiang University, 2006: 42-58.
[9]  李鹏,刘有智,李裕,等.旋转填料床-氢氧化钠法治理火炸药行业的氮氧化物尾气的研究[J].含能材料, 2007,15(3): 277-280.LI Peng, LIU You-zhi, LI Yu, et al.Research on treatment of nitrogen oxides in explosive industry by rotating packed bed with NaOH solution[J].Chinese Journal of Energetic Materials(Hanneng Cailiao), 2007,15(3): 277-280.
[10]  顾永祥, 谭天恩.氢氧化钠水溶液吸收氮化物传质-反应过程[J].高校化学工程学报, 1990,4(2): 157-166.GU Yong-xiang, TAN Tian-en.Absorption by NaOH aqueous solution[J].Journal of Chemical Engineering of Chinese Universities, 1990,4(2): 157-166.
[11]  于景阳, 韩莉果, 张卫江,等.规整填料塔吸收NOx过程的模拟和实验[J].天津大学学报, 2005,38(9): 780-785.YU Jing-yang, HAN Li-guo, ZHANG Wei-jiang, et al.Simulation and experiment of NOx absorption in structured packing columns[J].Journal of Tian jin University, 2005,38(9): 780-785.
[12]  Hupen B,Kenig E Y.Rigorous modeling of NOx absorption in tray and packed columns[J].Chemical Engineering Science, 2005,60(22): 6462-6471.
[13]  陈曦, 李玉平, 韩婕, 等.加压条件下氮氧化物的水吸收研究[J].火炸药学报,2009,32(4): 84-86.CHEN Xi, LI Yu-ping, HAN Jie, et al.Study of pressurized absorption of nitrogen oxides in water[J].Chinese Journal of Explosives and Propellant, 2009,32(4): 84-86.
[14]  景香顺, 郑楠, 迟正平, 等.加压条件下稀硝酸吸收氮氧化物的实验研究[J].火炸药学报, 2011,34(6): 34-37.JING Xiang-shun, ZHENG Nan, CHI Zheng-ping, et al.Experimental study on pressurized absorption of nitrogen oxides by dilute nitric acid[J].Chinese Journal of Explosives and Propellant, 2011,34(6): 34-37.
[15]  Jang B W L, Spivey J J, Kung M C, et al.Low-temperature NOx removal for flue gas clean up[J].Energy & Fuels,1997,11(2): 299-306.
[16]  Adapa S, Gaur V, Verma N.Catalytic oxidation of NO by activated carbon fiber(ACF)[J].Chemical Engineering Journal, 2006,116(1): 25-37.
[17]  Qi G S, Gatt J E, Yang R T, et al.Selective catalytic oxidation(SCO) of ammonia to nitrogen over Fe-exehanged zeolites Prepared by sublimation of FeCl3[J].Journal of Catalysis, 2004,226(1): 120-128.
[18]  Chien T W, Chu H.Removal of SO2 and NO from flue gas by wet scrubbing using an aqueous NaClO2 solution[J].Journal of Hazardous Materials.2000, B80: 43-57.
[19]  LIU Yang-xian, ZHANG Jun.Photochemical oxidation removal of NO and SO2 from simulated flue gas of coal-fired power plants by wet scrubbing using UV/H2O2 advanced oxidation process[J].Industrial & Engineering Chemistry Research,2011,50: 3836-3841.
[20]  Chu B Y, Chien T W, Li S Y.Simultaneous absorption of SO2 and NO from flue gas with KMnO4/NaOH solution[J].Science of the Total Environment, 2001,275: 127-135.
[21]  Weisweiler W, Blumhofer R, Estermann W T.Absorption of nitrogen monoxide in aqueous solutions containing sulfite and transition-metal chelates such as Fe(Ⅱ)-EDTA,Fe(Ⅱ)-NTA, Co(Ⅱ)-Trien and Co(Ⅱ)-Treten[J].Chemical Engineering and Processing,1986,20: 155-166.
[22]  Chien T W, Hsueh H T, Chu B Y, et al.Absorption kinetics of NO from simulated flue gas using Fe(Ⅱ)EDTA solutions[J].Process Safety and Environmental Protection, 2009,87: 300-306.
[23]  Sada E, Kumazawa H, Hikosaka H.A Kinetic study of absorption of nitrogen oxide(NO) into aqueous solutions of sodium sulfite with added iron(Ⅱ)-EDTA chelate[J].Industrial & Engineering Chemistry Research,1986,25(3): 386-390.
[24]  ZHANG Liang-liang, WANG Jie-xin, SUN Qian, et al.Removal of nitric oxide in rotating packed bed by ferrous chelate solution[J].Chemical Engineering Journal, 2012,181: 624-629.
[25]  Pham E K, Chang S G.Removal of NO from flue gases by absorption to an Iron(Ⅱ) thiochelate complex and subsequent reduction to ammonia[J].Nature, 1994,369: 139-141.
[26]  Littlejohn D, Chang S G .Kinetics study of ferrous nitrosyl complexes[J].Journal of Physical Chemistry, 1982,86: 537-540.
[27]  Shi Y, Littlejohn D, Chang S G.Kinetics of NO absorption in aqueous iron(Ⅱ)bis(2,3-dimer-capto-1-propanesulfonate) solution using a stirred reactor.Industrial and Engineering Chemistry Research,1996,35(5): 1668-1672.

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