考察了纳米ZrO2的制备方法及Al2O3和KOH助剂的添加对ZrO2催化CO加氢合成异丁烯反应的影响. 纳米ZrO2的制备方法对ZrO2的物理性质和催化性能有较大的影响. 用超临界流体干燥法干燥并在流动N2气氛中焙烧制得的ZrO2催化剂对异丁烯具有较高的选择性. Al2O3和KOH助剂表现出非常优良的助剂效应,在大幅度提高催化剂对i-C4烃选择性的同时保持了和ZrO2同样高的催化活性. 催化剂的酸碱性表征结果表明,酸碱性对催化剂的催化性能影响很大,催化剂上适宜的酸碱数量和酸碱比例是影响其催化CO加氢合成异丁烯性能的非常重要的因素.
参考文献
[1] | 蔡启瑞;彭少逸.碳一化学中的催化作用[M].北京:化学工业出版社,1995:349. |
[2] | Pichler H;Ziesecke K H .[J].Brennstoff-Chemie,1949,30(01):1. |
[3] | Maehashi T;Maruya K;Domen K;Aika K Onishi T.[J].Chemistry Letters,1984(05):747. |
[4] | Maruya K;Maehashi T;Haraoka T;Narui S Asakawa Y Domen K Onishi T .[J].Bulletin of the Chemical Society of Japan,1988,61(03):667. |
[5] | Jackson N B;Ekerdt J G .[J].Journal of Catalysis,1990,126(01):31. |
[6] | Postula W S;Feng Z;Philip C V;Akgerman A Anthony R G .[J].Journal of Catalysis,1994,145(01):126. |
[7] | Jackson N B;Ekerdt J G .[J].Journal of Catalysis,1990,126(01):46. |
[8] | Maruya K;Takasawa A;Haraoka T;Domen K Onishi T .[J].Journal of Molecular Catalysis A:Chemical,1996,112(01):143. |
[9] | Maruya K;Komiya T;Hayakawa T;Lu L Yashima M .[J].Journal of Molecular Catalysis A:Chemical,2000,159(01):97. |
[10] | Su C;Li J;He D;Cheng Z Zhu Q .[J].Applied Catalysis A:General,2000,202:81. |
[11] | Xu B-Q;Wei J-M;Wang H Y;Sun K-Q Zhu Q-M .[J].Catalysis Today,2001,68(1-3):217. |
[12] | 徐柏庆;魏俊梅;程振兴;李晋鲁 朱起明 .[P].CN 1280882A,2001. |
[13] | 尹双凤,徐柏庆,朱起明.B2O3/ZrO2催化剂在气相环己酮肟重排反应中的稳定性和再生性能[J].催化学报,2001(05):494-496. |
[14] | 徐柏庆;尹双凤;张昕;魏俊梅 朱起明 .[P].CN 1267568A,2000. |
[15] | Trens P.;Denoyel R.;Hudson MJ. .Formation of mesoporous, zirconium(IV) oxides of controlled surface areas[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,1998(9):2147-2152. |
[16] | Gesser H D;Goswami P C .[J].Chemical Reviews,1989,89(04):765. |
[17] | Dry M E;Shingles T;Boshoff L J .[J].Journal of Catalysis,1972,25(01):99. |
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