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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
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
Volume28Issue:3Pages:338-344
AbstractA 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.
SubtypeArticle
KeywordSorbitol Hydrogenolysis Glycols Ni Catalyst Support Base Promoter
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1063/1674-0068/28/cjcp1501007
WOS Subject ExtendedPhysics
WOS KeywordPROPYLENE-GLYCOL ; GLYCEROL ; ALCOHOLS ; SUGAR
Indexed BySCI
Language英语
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS IDWOS:000358530000014
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10833
Collection中国科学院广州能源研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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