采用水合肼液相还原法制备了负载型镍催化剂,对其催化蒽醌加氢反应的活性进行了考察,采用电感耦合等离子发射光谱、X射线衍射以及H2化学吸附等手段对催化剂进行了表征,并与用氢气还原法制备的催化剂进行了对比. 结果表明,用水合肼还原制备的催化剂的Ni粒子较大,Ni分散度及H2吸附量较低,但其催化蒽醌氢化反应的活性高得多.
参考文献
| [1] | 胡长诚.[J].黎明化工,1997(02):1. |
| [2] | 游贤德 .[J].江苏化工,2000,28(10):16. |
| [3] | Santacesaria E;Di Serio M;Russo A;Leone U,Velotti R .[J].Chemical Engineering Science,1999(54):2799. |
| [4] | Albers R E;Nystrm M;Siverstrm M;Sellin A,Dellve A-C,Andersson U,Herrmann W,Berglin Th .[J].Catalysis Today,2001(69):247. |
| [5] | Piironen M;Haario H;Turunen I .[J].Chemical Engineering Science,2001,56(03):859. |
| [6] | Santacesaria E;Di Serio M;Velotti R;Leone U .[J].Journal of Molecular Catalysis(China),1994,94(01):37. |
| [7] | 胡长诚.[A].北京:化学工业出版社,1994:641. |
| [8] | Sapieszko R S;Matijevic E .[J].Corrosion,1980,36(10):522. |
| [9] | Li YD;Wang HR;Li LQ;Qian YT;Li CW .Preparation of nickel ultrafine powder and crystalline film by chemical control reduction[J].Materials Chemistry and Physics,1999(1):88-90. |
| [10] | Degen, A;Macek, J .Preparation of submicrometer nickel powders by the reduction from nonaqueous media[J].Nanostructured Materials,1999(1/4):225-228. |
| [11] | Li J.;Deng JF.;Qiao MH. .Amorphous Ni-B/gamma-Al2O3 catalyst prepared in a modified drying approach and its excellent activity in benzene hydrogenation[J].Journal of molecular catalysis, A. Chemical,2001(1/2):295-301. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%