Selective oxidation of cyclohexane on a novel catalyst Mg-Cu/SBA-15 by molecular oxygen

被引：20

作者：

Duan, Xiaogang ^{[1
]}

Liu, Weimin ^{[1
]}

Yue, Lumin ^{[1
]}

Fu, Wei ^{[1
]}

Minh Ngoc Ha ^{[2
]}

Li, Jun ^{[1
]}

Lu, Guanzhong ^{[1
,2
]}

机构：

[1] Shanghai Inst Technol, Res Inst Appl Catalysis, Sch Chem & Environm Engn, Shanghai 201418, Peoples R China

[2] E China Univ Sci & Technol, Res Inst Ind Catalysis, Key Lab Adv Mat, Shanghai 200237, Peoples R China

来源：

DALTON TRANSACTIONS | 2015年 / 44卷 / 39期

关键词：

PERIODIC MESOPOROUS ORGANOSILICAS; LIQUID-PHASE OXIDATION; SOLVENT-FREE SYSTEM; GOLD NANOPARTICLES; METHANOL-SYNTHESIS; CO OXIDATION; SILICA; COPPER; EPOXIDATION; PROPENE;

D O I：

10.1039/c5dt01803j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The novel catalysts xMg-2.3Cu/SBA-15 with copper and magnesium oxide co-supported on mesoporous silica were synthesized by an impregnation method. The newly synthesized catalysts were characterized using a series of techniques such as BET, XRD, H-2-TPR, UV-vis, XPS, EDS and TEM. The catalytic performance was evaluated by using selective oxidation of cyclohexane with molecular oxygen as the oxidant in a solvent free system. The incorporation of magnesium improved the dispersion of copper oxide and prevented the deep oxidation of cyclohexanol and cyclohexanone. The selectivity of K/A oil was up to 99.3% with 12% conversion of cyclohexane over the 1.2Mg-2.3Cu/SBA-15 catalyst. To our knowledge, this is the best result for the heterogeneous oxidation of cyclohexane by O-2.

引用

页码：17381 / 17388

页数：8

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