以云南曲靖褐煤、陕西神府烟煤和山西大同烟煤与有机添加剂的混合物为原料,经过挤出成型、炭化、水蒸气活化得到蜂窝状活性炭,采用N2吸附、压力试验、热天平等测试手段对得到的样品进行了分析表征.结果显示,煤种和活化程度显著影响蜂窝状活性炭孔结构、着火温度和机械强度,以大同煤为原料制备的蜂窝状活性炭具有高的比表面积(884 m2/g)、着火温度(535℃)和机械强度(＞13 MPa).煤基蜂窝状活性炭的机械强度随大孔容积的增加呈下降趋势.煤基蜂窝状活性炭的着火点与其中的挥发份含量成反比关系,而与灰分含量无关.
参考文献
| [1] | Cybulski A;Moulijn J A .Monoliths in heterogeneous catalysis[J].Catalysis Review:Science and Engineering,1994,36(02):169-179. |
| [2] | Nijhuis T A;Beers A E W;Vergunst Th et al.Preparation of monolithic catalysts[J].CATALYSIS REVIEWS-SCIENCE AND ENGINEERING,2001,43(04):345-380. |
| [3] | Thorsten Boger;Achim K.Heibel;Charles M.Sorensen .Monolithic Catalysts for the Chemical Industry[J].Industrial & Engineering Chemistry Research,2004(16):4602-4611. |
| [4] | 李同川,牛和三.脱硫脱硝活性炭的研究[J].新型炭材料,2005(02):178-182. |
| [5] | 宋燕,乔文明,尹圣昊,持田勲.不同结构活性炭对甲苯的吸附性能[J].新型炭材料,2005(04):294-298. |
| [6] | 解强,张香兰,李兰廷,金雷.活性炭孔结构调节：理论、方法与实践[J].新型炭材料,2005(02):183-190. |
| [7] | Williams J L .Monolith structures,materials,properties and uses[J].Catalysis Today,2001,69:3-9. |
| [8] | Theo Vergunst;Marco J. G. Linders;Freek Kapteijn;Jacob A. Moulijn .Carbon-based monolithic structures[J].Catalysis Reviews. Science and Engineering,2001(3):291-314. |
| [9] | 王艳莉,刘振宇,黄张根,刘清雅.载体预处理对蜂窝状V2O5/ACH低温脱硫脱硝活性的影响[J].新型炭材料,2004(03):179-185. |
| [10] | 陆安慧,Jan-Henrik Sm(a)tt,Mika Lindén,Ferdi Schüth.一步浸渍合成具有多重孔隙的铸型炭体[J].新型炭材料,2003(04):265-270. |
| [11] | Gadkaree KP. .Carbon honeycomb structures for adsorption applications[J].Carbon: An International Journal Sponsored by the American Carbon Society,1998(7/8):981-989. |
| [12] | Th. Vergunst;F. Kapteijn;J.A. Moulijn .Preparation of carbon-coated monolithic supports[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(11):1891-1902. |
| [13] | Tennison S R .Phenolic-resin-derived activated carbons[J].Applied Catalysis A:General,1998,173:289-311. |
| [14] | Gadkaree KP.;Jaroniec M. .Pore structure development in activated carbon honeycombs[J].Carbon: An International Journal Sponsored by the American Carbon Society,2000(7):983-993. |
| [15] | 杜亚平,毛清龙,张德祥,高晋生.石油焦基活性炭制备工艺对其吸附性能及孔结构的影响[J].新型炭材料,2003(03):225-230. |
| [16] | M. Yates;J. Blanco;P. Avila;M. P. Martin .Honeycomb monoliths of activated carbons for effluent gas purification[J].Microporous and Mesoporous Materials,2000(1/2):201-208. |
| [17] | 马蓉,张丽芳,张双全,王新红,唐志红,朱文魁,严红.太西无烟煤制备微孔活性炭的试验研究[J].新型炭材料,2004(01):57-60. |
| [18] | Liu L;Liu Z;Huang Z et al.Preparation of activated carbon honeycomb monolith directly from coal[J].Carbon,2006,44:1581-1616. |
| [19] | 刘振宇;柳来栓;刘平光 等.一种由煤直接制备蜂窝状活性炭的方法[P].CN 1648040,2004. |
| [20] | H. Takagi;K. Maruyama;N. Yoshizawa .XRD analysis of carbon stacking structure in coal during heat treatment[J].Fuel,2004(17/18):2427-2433. |
| [21] | Van Heek K H;Mühlen H J .Aspects of coal properties and constitution important for gasification[J].Fuel,1985,64:1405-1414. |
| [22] | Fung D;Kim S D .Laboratory gasification study of canadian coals 2.Chemical reactivity and coal rank[J].Fuel,1983,62:1337-1340. |
| [23] | Dalai A K;Zaman J;Hall E S et al.Preparation of activated carbon from Canadian coals using a fixed-bed reactor and a spouted bed-kiln system[J].Fuel,1996,75:227-237. |
| [24] | Ryu SK;Gallego N;Edie DD;Kim SY .Physical properties of silver-containing pitch-based activated carbon fibers[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(10):1619-1625. |
| [25] | 张学军,沈曾民.沥青基活性炭纤维的制备、结构及性能[J].新型炭材料,1999(02):59-66. |
| [26] | Yongdan Li;Dongfang Wu;Liu Chang;Yahua Shi;Dihua Wu;Zhiping Fang .A Model for the Bulk Crushing Strength of Spherical Catalysts[J].Industrial & Engineering Chemistry Research,1999(5):1911-1916. |
| [27] | Suzin Y.;Buttner L.C.;LeDuc C.A. .Characterizing the ignition process of activated carbon[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(2):335-346. |
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