以毛竹废料为原料通过磷酸活化法制备了具有较高比表面积并含有大量中孔的活性炭.讨论了磷酸浓度、浸渍温度、浸渍时间、活化温度及活化时间对活性炭性质的影响.在以80%磷酸于80℃下浸渍原料9d,500℃下活化4h的条件下所得活性炭的中孔体积最大,其数值为0.67cm3/g,比表面积为1567m2/g,中孔比例达47.18%.实验测定了CH4,N2,O2和CO2在该活性炭上的298K吸附等温线.实验结果表明,该活性炭对二氧化碳的吸附能力明显优于CH4、O2和N2,是适用于CO2/N2、CO2/O2、CO2/空气气体混合物中CO2吸附分离的优良吸附剂.
参考文献
| [1] | 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. |
| [2] | Lin C;Popov B N;Ploehn H J .[J].Journal of the Electrochemical Society,2002,149:A167-A175. |
| [3] | 黄汉生.温室效应气体二氧化碳的回收与利用[J].现代化工,2001(09):53-57. |
| [4] | 毛松柏,叶宁,肖九高,丁雅萍,朱道平,黄晓燕.低分压二氧化碳回收新技术的开发和应用[J].化学工业与工程技术,2004(03):12-15. |
| [5] | 张丽君.[J].国土资源情报,2001(12):6-14. |
| [6] | Liu Xiuwu;Li Jingwen;Zhou Li et al.[J].CHEMICAL PHYSICS LETTERS,2005,415:198-201. |
| [7] | Zhou Li;Liu Xiuwu;Li Jingwen et al.[J].Chemical Physics Letters,2005,413:6-9. |
| [8] | Laine J;Yunes S .[J].Carbon,1992,30:601-604. |
| [9] | Pandolfo A G;Amini-amoli M;Killingley J S .[J].CARBON,1994,32(05):1015-1019. |
| [10] | P.Ariyadejwanich;W.Tanthapanichakoon;K.Nakagawa;S.R.Mukai;H.Tamon .Preparation and characterization of mesoporous activated carbon from waste tires[J].Carbon: An International Journal Sponsored by the American Carbon Society,2003(1):157-164. |
| [11] | 解立平,林伟刚,杨学民.城市固体有机废弃物制备中孔活性炭[J].过程工程学报,2002(05):465-469. |
| [12] | Molinasabio M.;Caturla F.;Selles MJ.;Rodriguezreinoso F. .POROSITY IN GRANULAR CARBONS ACTIVATED WITH PHOSPHORIC ACID[J].Carbon: An International Journal Sponsored by the American Carbon Society,1995(8):1105-1113. |
| [13] | Hsisheng T;Tien-Sheng Y;Li Yeh H .[J].CARBON,1998,36:1387-1395. |
| [14] | Laine J;Calafat A;labady M .[J].Carbon,1989,27(02):191-195. |
| [15] | Brunauer S H;Emmett P;Teller E .[J].Journal of the American Chemical Society,1938,60(02):309-319. |
| [16] | Rodriguezreinoso F.;Gonzalez MT.;Molinasabio M. .THE USE OF STEAM AND CO2 AS ACTIVATING AGENTS IN THE PREPARATION OF ACTIVATED CARBONS[J].Carbon: An International Journal Sponsored by the American Carbon Society,1995(1):15-23. |
| [17] | Barrett E P;Joyner L G;Halenda P P .[J].Journal of the American Chemical Society,1951,73:373-380. |
| [18] | Zhou L.;Bai SP.;Su W.;Yang J.;Zhou YP. .Comparative study of the excess versus absolute adsorption of CO2 on superactivated carbon for the near-critical region[J].Langmuir: The ACS Journal of Surfaces and Colloids,2003(7):2683-2690. |
| [19] | 近藤精一;石川达雄;安部郁夫.吸附科学[M].北京:化学工业出版社,2001:32-33. |
| [20] | 周亚平,杨斌.气体超临界吸附研究进展[J].化学通报,2000(09):8-13. |
| [21] | Zhou L;Zhou Y P .[J].Industrial and Engineering Chemistry Research,1996,35:4166-4168. |
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