焙烧温度对CuMgAl催化剂催化糠醇加氢制戊二醇的影响

卫彩云; 谭静静; 夏晓丽; 赵永祥

doi:10.11949/j.issn.0438-1157.20181466

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焙烧温度对CuMgAl催化剂催化糠醇加氢制戊二醇的影响

催化、动力学与反应器 | 更新时间：2026-07-24

- 焙烧温度对CuMgAl催化剂催化糠醇加氢制戊二醇的影响
- Influence of calcination temperature on CuMgAl catalytic performance for hydrogenation of furfuralcohol to pentanediol
- 化工学报 2019年70卷第4期页码：1409-1419
- 作者机构：
  
  山西大学化学化工学院，精细化学品教育部工程研究中心，山西太原 030006
- 作者简介：
  
  卫彩云（1994—），女，硕士研究生，cywei216@126.com
  谭静静（1985—），女，博士，讲师，tanjingjing@sxu.edu.cn
  赵永祥（1965—），男，博士，教授，yxzhao@sxu.edu.cn
- 基金信息：
  
  山西省面上青年基金项目(201701D221030);国家自然科学基金青年科学基金项目(21703275)
- DOI：10.11949/j.issn.0438-1157.20181466
  中图分类号： O 643.36
- 收稿：2018-12-10，
  
  修回：2019-01-07，
  
  网络首发：2020-06-15，
  
  纸质出版：2019-04-12
- 稿件说明：
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卫彩云, 谭静静, 夏晓丽, 赵永祥. 焙烧温度对CuMgAl催化剂催化糠醇加氢制戊二醇的影响[J]. 化工学报, 2019, 70(4): 1409-1419

WEI Caiyun, TAN Jingjing, XIA Xiaoli, ZHAO Yongxiang. Influence of calcination temperature on CuMgAl catalytic performance for hydrogenation of furfuralcohol to pentanediol[J]. CIESC Journal, 2019, 70(4): 1409-1419
卫彩云, 谭静静, 夏晓丽, 赵永祥. 焙烧温度对CuMgAl催化剂催化糠醇加氢制戊二醇的影响[J]. 化工学报, 2019, 70(4): 1409-1419 DOI： 10.11949/j.issn.0438-1157.20181466.

WEI Caiyun, TAN Jingjing, XIA Xiaoli, ZHAO Yongxiang. Influence of calcination temperature on CuMgAl catalytic performance for hydrogenation of furfuralcohol to pentanediol[J]. CIESC Journal, 2019, 70(4): 1409-1419 DOI： 10.11949/j.issn.0438-1157.20181466.

摘要

采用共沉淀法制得物质的量比为

(Cu

)∶

(Mg

)∶

(Al

)=10∶65∶25的CuMgAl类水滑石前体（CMA-HT），经过不同温度焙烧制得CuMgAl水滑石催化剂。通过傅里叶变换红外光谱（FTIR）、热重分析（TG）、X射线粉末衍射（XRD）、扫描电子显微镜（SEM）、透射电子显微镜（TEM）、N

-物理吸附、程序升温还原（H

-TPR）、H

-程序升温脱附（H

-TPD）、CO

-程序升温脱附（CO

-TPD）和NH

-程序升温脱附（NH

-TPD）等对催化剂的结构进行表征，在高压反应釜中考察了CuMgAl水滑石催化剂催化糠醇（FFA）加氢制1

2-戊二醇（1

2-PeD）和1

5-戊二醇（1

5-PeD）的催化性能。研究结果表明，焙烧温度对催化剂的结构及其催化性能具有显著的影响，金属活性中心和碱性位随焙烧温度的升高先增加后减少。经600℃焙烧的CMA催化剂表面存在适宜的金属中心和碱性位，在金属位和碱性中心的协同催化下，表现出了优异的催化性能。在140℃，H

压力为4 MPa的条件下，反应8 h，糠醇的转化率和戊二醇的收率分别达74.13%和58.36%。

Abstract

The CuMgAl hydrotalcite-type (CMA-HT) precursors was prepared by co-precipitation process

in which the molar ratio of

(Cu

)∶

(Mg

)∶

(Al

) was 10∶65∶25. The CuMgAl hydrotalcite catalysts were obtained by calcining at various temperatures. The catalysts were characterized by Fourier transform infrared spectroscopy (FTIR)

thermogravimetric analysis (TG)

X-ray powder diffraction (XRD)

scanning electron microscope (SEM)

transmission electron microscope (TEM)

-adsorption

-temperature programmed reduction (H

-TPR)

-temperature programmed desorption (H

-TPD)

-temperature programmed desorption (CO

-TPD) and NH

-temperature programmed desorption (NH

-TPD). The catalytic performance of CMA catalysts for the hydrogenation of furfuryl alcohol to 1

2-pentanediol and 1

5-pentanediol were investigated in the autoclave. The results indicated that the calcination temperatures had significantly influence on the structure and catalytic activity of the catalyst. The metal sites and basic sites increased firstly and then decreased with rising the calcined temperatures. The sample calcined at 600℃ possesses the suitable metal and basic sites. It exhibited the superior activity for the hydrogenolysis of furfuryl alcohol as the synergistic effect between the surface metal sites and the basic sites. Under the condition of 140℃ and H

pressure of 4 MPa

the conversion of sterol and the yield of pentanediol reached 74.13% and 58.36%

respectively

after 8 h of reaction.

关键词

Keywords

references

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