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Sorbitol Hydrogenolysis to Glycols over Baisic Additive Promoted Ni-based Catalysts
Cao, Xiao-feng1,3; Zhang, Qi2; Jiang, Dong1; Liu, Qi-ying2; Ma, Long-long2; Wang, Tie-jun2; Li, De-bao1
2015-06-01
发表期刊CHINESE JOURNAL OF CHEMICAL PHYSICS
卷号28期号:3页码:338-344
摘要A series of Ni based catalysts with different supports and basic additives were prepared by sequential impregnation method. The catalysts were characterized by XRD, BET, H-2-TPR and CO2-TPD techniques. It was found that the introduction of basic additives enhanced the basicities of catalyats and promoted the dispersities of Ni particles by strong interaction between Ni2+ and basic additives. Among the Ni based catalysts, 10%Ni/10%La2O3/ZrO2 showed the superior performance in sorbitol hydrogenolysis. The synergistic effect of Ni and La2O3 was proven to play an essential role in selective synthesis of EG and 1,2-PG. In the optimal reaction condition, the catalyst presented 100% sorbitol conversion and over 48% glycols (EG and 1,2-PG) yield. The kinetics study of polyols (sorbitol, xylitol and glycerol) hydrogenolysis showed that polyols with more hydroxyl number have higher activity and products distribution was final results of kinetic balance, which could give us some inspiration about how to change the products selectivity.
文章类型Article
关键词Sorbitol Hydrogenolysis Glycols Ni Catalyst Support Base Promoter
WOS标题词Science & Technology ; Physical Sciences
DOI10.1063/1674-0068/28/cjcp1501007
研究领域[WOS]Physics
关键词[WOS]PROPYLENE-GLYCOL ; GLYCEROL ; ALCOHOLS ; SUGAR
收录类别SCI
语种英语
WOS类目Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000358530000014
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10833
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
2.Chinese Acad Sci, CAS Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Cao, Xiao-feng,Zhang, Qi,Jiang, Dong,et al. Sorbitol Hydrogenolysis to Glycols over Baisic Additive Promoted Ni-based Catalysts[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2015,28(3):338-344.
APA Cao, Xiao-feng.,Zhang, Qi.,Jiang, Dong.,Liu, Qi-ying.,Ma, Long-long.,...&Li, De-bao.(2015).Sorbitol Hydrogenolysis to Glycols over Baisic Additive Promoted Ni-based Catalysts.CHINESE JOURNAL OF CHEMICAL PHYSICS,28(3),338-344.
MLA Cao, Xiao-feng,et al."Sorbitol Hydrogenolysis to Glycols over Baisic Additive Promoted Ni-based Catalysts".CHINESE JOURNAL OF CHEMICAL PHYSICS 28.3(2015):338-344.
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