Dynamic adsorption of ethyl acetate on adsorption beds filled with activated carbon fiber mesh and cloth
-
摘要: 以活性炭纤维网和活性炭纤维布分别装填滤芯，进行乙酸乙酯的动态吸附实验。测试了不同气流比速条件下的床层压降和乙酸乙酯蒸气的穿透曲线，利用修正的Wheeler方程计算了床层动态吸附参数。结果表明，床层压降随着气流比速的增加呈指数增加；相同比速、厚度条件下，活性炭纤维网床层压降仅为活性炭纤维布的1/30；应用模拟计算表明，活性炭纤维网比活性炭纤维布更适用于大风量有机废气治理。Abstract: The dynamic adsorption of ethyl acetate on two adsorption beds filled with (a) activated carbon fiber (ACF) mesh and (b) ACF cloth were investigated. The effects of gas velocity through the two beds on the pressure drop and breakthrough curves were compared. Results indicate that the pressure drop increases exponentially with the gas velocity and linearly with the filler thickness. The pressure drop of beds filled with the ACF mesh is only one thirtieth of that filled with the ACF cloth under the same gas velocity and filler thickness. The breakthrough curves were well fitted by the dynamic adsorption equation derived by Wheeler and modified by Jonas, from which the breakthrough time at a defined purification degree was obtained. The bed filled with the ACF mesh is superior to that filled with the ACF cloth in the purification of the volatile organic compounds at high gas velocities.
-
赵琳,张英锋,李荣焕,等. VOC的危害及回收与处理技术[J]. 化学教育, 2015, 16:1-6. (Zhao L, Zhang Y F, Li R H, et al. Harms,recycling and treatment technology of VOC[J]. Chemical education, 2015, 16:1-6.) 王广喜, 孙晓兵, 张竣尧. 有机废气中挥发性有机化合物的净化技术[J]. 中国资源综合利用, 2013, 08:50-51. (Wang G X, Sun X B, Zhang J Y. Analysis on the purification technology of volatile organic compound in organic waste gas[J]. China Resources Comprehensive Utilization, 2013, 08:50-51.) Gilman J. Emissions of volatile organic compounds (VOCs) from oil and natural gas activities:Compositional comparison of 13 major shale basins via NOAA airborne measurements[C]. 2015 AGU Fall Meeting, Agu, 2015. Le C P. Adsorption onto activated carbon fiber cloth and electrothermal desorption of volatile organic compound (VOCs):A specific review[J]. Chinese Journal of Chemical Engineering. 2012, 20(3):461-468. 江浩, 郭杨龙, 李佩晋, 等. 低浓度挥发性有机废气的吸附净化[J]. 化学世界, 2008, 04:216-219+228+254. (Jiang H, Guo Y L, Li P J, et al. Adsorption purifcation of low concentration volatile organic compounds emissons[J]. Chemical world, 2008, 04:216-219+228+254.) 张忠良, 罗吉敏, 张彭义, 等. 真空紫外光解-活性炭吸附去除甲苯及副产物臭氧[J]. 中国环境科学, 2006(S1):56-60. (Zhang Z L, Luo J M, Zhang P Y, et al. Removal of toluene and photodegradation by-product ozone by vacuum ultra-violet photolysis and activated carbon sorption[J]. China Environmental Science, 2006(S1):56-60.) 宋彦龙, 张忠良, 游俊琴, 等. 活性炭电加热再生技术应用于有机溶剂回收[J]. 环境工程, 2009(S1):308-310. (Song Y L, Zhang Z L, You J Q, et al. Application of technology of electroheating activated carbon to organic solvent recovery[J]. Environmental Engineering, 2009(S1):308-310.) 王芙蓉, 李开喜, 吕春祥, 等. 酚醛树脂基活性炭微球的电化学性能研究I.酚醛树脂基微球制备过程的研究[J]. 新型炭材料, 2005, 20(01):58-62. (Wang F R, Li K X, Lv C X, et al. The electrochemical performance of phenolic resin-based activated carbon microbeads I An investigation on the preparation of the microbeads[J]. New Carbon Materials, 2005, 20(01):58-62.) Le C P. Adsorption onto activated carbon fiber cloth and electrothermal desorption of volatile organic compound (VOCs):a specific review[J]. Chinese Journal of Chemical Engineering, 2012, 20(3):461-468. 黄文涛. 活性炭纤维吸附工业有机废气及其深度处理[D]. 广东工业大学, 2015. (Huang W T. Activated carbon fiber adsorbed industry organic waste gas and deep treatment[D]. Guangdong university of technology, 2015.) An H, Feng B, Su S. CO2 capture by electrothermal swing adsorption with activated carbon fibre materials[J]. International Journal of Greenhouse Gas Control. 2011, 5(1):16-25. Giraudet S, Boulinguiez B, Le C P. Adsorption and electrothermal desorption of volatile organic compounds and siloxanes onto an activated carbon fiber cloth for biogas purification[J]. Energy & fuels, 2014, 28(6):3924-3932. 高武龙, 董坤伦. 活性炭纤维吸附-冷凝技术在有机废气回收净化中的应用[J]. 广东化工, 2010, 08:242-243. (Gao W L, Dong K L. Application of activated carbon fiber adsorptive-condensing process technology in recovery and cleaning organic waste-gas[J]. Guangdong chemical, 2010, 08:242-243.) Sidheswaran M A, Destaillats H, Sullivan D P, et al. Energy efficient indoor VOC air cleaning with activated carbon fiber (ACF) filters[J]. Building and Environment, 2012, 47:357-367. 李守信, 金平, 张文智, 等. 采用活性炭纤维吸附装置回收VOC的优点分析[J]. 化工环保, 2004, S1:274-276. (Li S X, Jin P, Zhang W Z, et al. The advantages of using activated carbon fiber adsorption device recycling VOC analysis[J]. Environmental protection of chemical industry, 2004, S1:274-276.) 李开喜, 凌立成, 刘朗, 等.不同反应温度下活性炭纤维脱除SO2的能力[J]. 新型炭材料, 1999, (01):11-15. (Li K X, Ling L C, Liu L, et al. Desulfurization abilities of activated carbon fibers at different reaction temperatures[J]. New Carbon Materials, 1999, (01):11-15.) 程代云, 史喜成. 集体防护装备技术基础[M]. 国防工业出版社, 2008, 03:117-118. (Cheng D Y, Shi X C. The Collective Chemical Protective Equipment Technology Base[M]. National DefenceIndustry Press, 2008, 03:117-118.) Wheeler A, Robell A J. Performance of fixed-Bed Catalytic Reactors with Poison in the Feed[J]. Catal, 1969, 13:299-305. Rehrmann J A, Jonas L A. Dependence of gas adsorption rates on carbon granule size and linear flow velocity[J]. Carbon, 1987, 16:47-51. -
下载:
点击查看大图
图(1)
计量
- 文章访问数: 336
- HTML全文浏览量: 98
- PDF下载量: 62
- 被引次数: 0
