制备了铋改性的钒磷氧化物(Bi-VPO)催化剂,并将其用于液相催化氧化环己烷,研究了该反应的反应机理. 结果表明,铋改性可大大提高VPO催化剂在温和条件下对环己烷液相氧化的催化性能. 无溶剂实验和四氢呋喃作溶剂的实验证明反应过程中溶剂乙腈和H2O2之间存在相互作用;自由基捕捉实验证明环己烷氧化过程中存在自由基反应历程;环己醇氧化实验证明环己酮并不是来自环己醇的氧化,而是由环己烷直接氧化得到的.
参考文献
| [1] | Vedrine J C .[J].Topics in Catalysis,2000,11(1-4):147. |
| [2] | Landi G;Lisi L;Russo G .Oxidation of propane and propylene to acrylic acid over vanadyl pyrophosphate[J].Journal of molecular catalysis, A. Chemical,2005(1/2):172-179. |
| [3] | Lorences M J;Patience G S;Cenni R;Diez F Coca J .[J].Catalysis Today,2006,112(1-4):45. |
| [4] | Pillai U R;Sahle-Demessie E.[J].Chemical Communications,2002(18):2142. |
| [5] | Pillai UR.;Sahle-Demessie E. .Vanadium phosphorus oxide as an efficient catalyst for hydrocarbon oxidations using hydrogen peroxide[J].New Journal of Chemistry,2003(3):525-528. |
| [6] | 纪红兵,钱宇,罗思睿,何笃贵.温和条件下环己烷液相选择性氧化改性VPO催化剂[J].化工学报,2004(12):2027-2031. |
| [7] | Partenheimer W;Meyers B L .[J].Applied Catalysis,1989,51(01):15. |
| [8] | Okuhara T;Misono M .[J].Catalysis Today,1993,16(01):61. |
| [9] | Bordes E .[J].Catalysis Today,1993,16(01):27. |
| [10] | Wang D X;Kung H H;Barteau M A .[J].Applied Catalysis A:General,2000,201(02):203. |
| [11] | Koyano G.;Misono M.;Okuhara T. .Structural changes of surface layer of vanadyl pyrophosphate catalysts by oxidation-reduction and their relationships with selective oxidation of n-butane[J].Journal of the American Chemical Society,1998(4):767-774. |
| [12] | Pepera M A;Callahan J L;Desmond M J;Milberger E C Blum P R Bremer N J .[J].Journal of the American Chemical Society,1985,107(17):4883. |
| [13] | Gai PL;Kourtakis K .SOLID-STATE DEFECT MECHANISM IN VANADYL PYROPHOSPHATE CATALYSTS - IMPLICATIONS FOR SELECTIVE OXIDATION[J].Science,1995(5198):661-663. |
| [14] | Ueno S;Yamaguchi K;Yoshida K;Ebitani K Kaneda K.[J].Chemical Communications,1998(03):295. |
| [15] | Suss-Fink G.;Cuervo LG.;Therrien B.;Stoeckli-Evans H.;Shul'pin GB. .Mono and oligonuclear vanadium complexes as catalysts for alkane oxidation: synthesis, molecular structure, and catalytic potential[J].Inorganica Chimica Acta,2004(2):475-484. |
| [16] | Kozlov Y N;Nizova G V;Shul'pin G B .[J].Russian Journal of physical chemistry,2001,75(05):770. |
| [17] | 韩世清;曹国英;奚祖威 .[J].催化学报,1995,16(05):392. |
| [18] | 郭灿城,张晓兵,侯连伯,徐建兵,郝旭东,郭广明,梁本熹,陈新斌.金属卟啉催化环已烷羟基化反应中环己酮的形成机理研究[J].化学学报,1998(05):489-494. |
| [19] | Shul'pin GB. .Metal-catalyzed hydrocarbon oxygenations in solutions: The dramatic role of additives: a review [Review][J].Journal of molecular catalysis, A. Chemical,2002(1):39-66. |
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%