合成了Co-MCM-41和Co-MCM-48分子筛,并用X射线衍射、红外光谱和紫外-可见漫反射光谱等技术对样品进行了表征. 结果表明,部分Co离子掺杂进入了各分子筛的骨架中,在Co-MCM-41分子筛中只含有Co(Ⅱ),而在Co-MCM-48分子筛中只含有Co(Ⅲ). 分子筛中Co离子的价态不同是导致它们反应性能差异的根本原因.
参考文献
| [1] | Martinez A;Lopez C;Marquez F;Diaz I .[J].Journal of Catalysis,2003,220(02):486. |
| [2] | 杨文书,高海燕,相宏伟,银董红,杨勇,徐元源,钟炳,李永旺.新型钴基介孔分子筛催化剂F-T合成性能和烃分布研究[J].高等学校化学学报,2002(09):1748-1752. |
| [3] | Elkabouss K;Kacimi M;Ziyad M;Ammar S;Bozon-Verduraz F .Cobalt-exchanged hydroxyapatite catalysts: Magnetic studies, spectroscopic investigations, performance in 2-butanol and ethane oxidative dehydrogenations[J].Journal of Catalysis,2004(1):16-24. |
| [4] | Corberan V C;Jia M J;El-Haskouri J;Valenzuela R X,Beltran-Porter D,Amoros P .[J].Catalysis Today,2004,91-92:127. |
| [5] | Bulanek R.;Novoveska K.;Wichterlova B. .Oxidative dehydrogenation and ammoxidation of ethane and propane over pentasil ring Co-zeolites[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2002(1/2):181-191. |
| [6] | Vanoppen D L;Jacobs P A .[J].Catalysis Today,1999,49(1-3):177. |
| [7] | Beck J S;VartUli J C;Roth W J;Leonowicz M E,Kresge C T,Schmitt K D,Chu C T W,Olson D H,Sheppard E W,McCullen S B,Higgins J B,Schlenker J L .[J].Journal of the American Chemical Society,1992,114(27):10834. |
| [8] | Kresge C T;Leonowicz M E;Roth W J;Vartuli J C,Beck J S .[J].Nature,1992,359(6397):710. |
| [9] | Lim S;Ciuparu D;Pak C;Dobek F,Chen Y,Harding D,Pfefferle L,Haller G .[J].Journal of Physical Chemistry B,2003,107(40):11048. |
| [10] | Suvanto S.;Pakkanen TT.;Pakkanen TA.;Hukkamaki J. .High-cobalt-loaded MCW-41 via the gas-phase method[J].Langmuir: The ACS Journal of Surfaces and Colloids,2000(9):4109-4115. |
| [11] | Krishna RM.;Kevan L. .Photoinduced charge separation at room temperature of N-alkylpyrenes in transition metal ion containing mesoporous SiMCM-41 and MeMCM-41 silica molecular sieves where Me = Ti(IV), V(V), Ni(II), Co(II) and Cu(II)[J].Physical chemistry chemical physics: PCCP,2001(23):5348-5353. |
| [12] | 蔡强,魏长平,许永宜,庞文琴,甄开吉.过渡金属（Ti,Zr,Mn,Cu,Mo,Cr,Co）离子掺杂的MCM-48的合成、表征与催化性能研究[J].高等学校化学学报,1999(03):344-349. |
| [13] | Krylov O V;Mamedov A Kh .[J].Russian Chemical Reviews,1995,64(09):877. |
| [14] | Wang L S;Murata K;Inaba M .[J].Catalysis Communications,2003,4(04):147. |
| [15] | 徐龙伢;王昌东;贾继飞;杨力,王德宝,刘伟成,王清遐,林励吾 .[J].催化学报,1998,19(06):506. |
| [16] | Valenzuela R X;Bueno G;Solbes A;Sapina F,Martínez E,Corberán V C .[J].Topics in Catalysis,2001,15(2-4):181. |
| [17] | Mimura N;Takahara I;Inaba M;Okamoto M Murata K .[J].Catalysis Communications,2002,3(06):257. |
| [18] | Nakagawa K;Kajita C;Okumura K;Ikenaga N,Nishitani-Gamo M,Ando T,Kobayashi T,Suzuki T .[J].Journal of Catalysis,2001,203(01):87. |
| [19] | 孙研.中孔分子筛MCM-41的合成与表征[J].高等学校化学学报,1995(09):1334. |
| [20] | 于健强,李灿,许磊,李美俊,辛勤,刘中民.以硅溶胶和三氯化钛为原料合成Ti-MCM-41分子筛 Ⅱ. Ti-MCM-41分子筛的表征[J].催化学报,2001(04):331-334. |
| [21] | 王亚军,唐祥海,朱瑞芝,潘履让.双金属杂原子分子筛CrCoBEA的合成、波谱及催化性能研究[J].高等学校化学学报,2000(07):999-1004. |
| [22] | Verberckmoes A A;Uytterhoeven M G;Schoonheydt R A .[J].Zeolites,1997,19(2-3):180. |
| [23] | Kukovecz ?;Kónya Z;Mnter D;Reschetilowski W,Kiricsi I.[J].Journal of Molecular Structure,2001(563-564):403. |
| [24] | 李亚男,郭晓红,周广栋,毕颖丽,李文兴,程铁欣,吴通好,甄开吉.Co-MCM-41催化剂上临CO2-乙烷脱氢反应的研究[J].高等学校化学学报,2005(06):1122-1125. |
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