Pd/NC催化剂高效催化糠醛选择性加氢制糠醇的研究
Study on Pd/NC catalysts for selective hydrogenation of furfural to furfuryl alcohol
贺嘉妮 1陈凯丰 1张欢 1谭俊 1汪瑞 1吴泽 1陈凯 1朱丽华1
作者信息
- 1. 江西理工大学材料冶金化学学部化学化工学院,江西 赣州 341000
- 折叠
摘要
利用高温热解金属有机框架(MOFs)制备不同Pd负载量(0.1%、1%、5%)的氮掺杂碳负载Pd纳米颗粒催化剂(Pd/NC),考察了其催化糠醛选择性加氢性能.当Pd负载量为 0.1%时,Pd/NC催化剂在反应温度为 120℃、反应压力为 3.0 MPa H2 的条件下催化糠醛加氢反应 4h,糠醛转化率为 93.8%,糠醇选择性为 86.7%,糠醇收率为 81.4%.利用 SEM、TEM、HRTEM、XRD、XPS、STEM和STEM-EDX元素面扫等表征手段对催化剂的结构和形貌进行表征与分析,结果表明,高分散的小尺寸Pd金属纳米粒子与载体之间存在着协同作用,使催化剂表现出优异的催化糠醛选择性加氢制糠醇性能.
Abstract
Nitrogen-doped carbon-loaded Pd nanoparticle catalysts(Pd/NC)with different Pd loadings(0.1%,1%,5%)are prepared through high-temperature pyrolysis of metal-organic frameworks(MOFs),and their catalytic performance for selective hydrogenation of furfural is evaluated.It is shown that the conversion of furfural reaches 93.8%,the selectivity and yield of furfural alcohol are 86.8%and 81.3%,respectively when furfural hydrogenation over Pd/NC catalyst with a Pd loading of 0.1%has performed for 4 h at 120℃and 3.0 MPa H2 reaction pressure.The structure and morphology of the catalysts are analyzed through the techniques such as SEM,TEM,HRTEM,XRD,XPS,STEM and STEM-EDX mapping.It is verified that the catalysts exhibit excellent performance due to synergistic effect of highly dispersed Pd metal nanoparticles and NC support.
关键词
糠醇/糠醛/Pd基催化剂/氮掺杂碳/催化加氢Key words
furfural/furfuryl alcohol/Pd-based catalysts/nitrogen doped carbon/catalytic hydrogenation引用本文复制引用
基金项目
国家自然科学基金项目(22162012)
国家自然科学基金项目(22202089)
江西省杰出青年基金(20224ACB213005)
江西省"双千计划"人才项目(jxsq2019201083)
江西省青年井冈学者([2019]57)
江西省教育厅项目(GJJ210833)
江西省教育厅项目(GJJ200843)
江西理工大学清江优秀人才计划项目(JXUSTQJYX2017006)
创新创业训练项目(S202110407013)
出版年
2024
NETL
NSTL
万方数据