A mechanism study on the efficient conversion of cellulose to acetol over Sn-Co catalysts with low Sn content

doi:10.1039/d0gc02345k

GIEC OpenIR

	A mechanism study on the efficient conversion of cellulose to acetol over Sn-Co catalysts with low Sn content
	Liu, Xiaohao 1,3; Liu, Xiaodong 2; Wang, Haiyong 1; Xiao, Tianci 2; Zhang, Ying 2; Ma, Longlong1,3
	2020-10-07
发表期刊	GREEN CHEMISTRY
ISSN	1463-9262
卷号	22 期号:19 页码:6579-6587
通讯作者	Zhang, Ying(zhzhying@ustc.edu.cn) ; Ma, Longlong(mall@ms.giec.ac.cn)
摘要	Efficient conversion of renewable cellulose to high value-added C3 chemicals is a great challenge in the field of biomass valorization. In this work, we found that the combination of Co and Sn could significantly improve the efficiency of cellulose conversion to acetol. 54.4% yield of acetol and 66.6% total yield of C3 products were obtained when using 2%Sn-10%Co/SiO2(2 wt% Sn content) as a catalyst. However, using the same Sn content of 2%Sn-10%Ni/SiO2, no acetol and only 7.1% yield of C3 products were produced. By studying the effects of different Sn and Co concentrations on cellulose conversion, it was found that the Sn species play an important role in catalyzing glucose conversion to C3 intermediates, while Co mainly played a role in hydrogenation, the same as Ni. The study demonstrated that Sn-Co/SiO(2)with low Sn content can convert glucose to C3 intermediates more efficiently than the Sn-Ni/SiO(2)catalyst. Moreover, Sn-Co/SiO(2)could effectively convert C3 intermediates to acetol at a high temperature which is essential for acetol production from cellulose; but under the same conditions, the Sn-Ni/SiO(2)catalyst tended to catalyze the polymerization of C3 intermediates. A series of characterization methods including AAS, TEM, HRTEM, EDS, XRD,ex situXPS,in situXPS, and CO2-TPD found that the combination of Sn and Co could significantly increase the noninteger valent SnO(x)species in the catalyst. These species increased the basicity of the catalyst and were beneficial in catalyzing the isomerization of glucose and the retro-aldol condensation of fructose.
DOI	10.1039/d0gc02345k
关键词[WOS]	METAL-SUPPORT INTERACTIONS ; LACTIC-ACID ; BIOMASS ; HYDROXYACETONE ; TRANSFORMATION ; ETHANOL
收录类别	SCI
语种	英语
资助项目	National Key R&D Program of China[2018 YFB1501502]
WOS研究方向	Chemistry ; Science & Technology - Other Topics
项目资助者	National Key R&D Program of China
WOS类目	Chemistry, Multidisciplinary ; Green & Sustainable Science & Technology
WOS记录号	WOS:000575015700028
出版者	ROYAL SOC CHEMISTRY
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/32135
专题	中国科学院广州能源研究所
通讯作者	Zhang, Ying; Ma, Longlong
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangdong Key Lab New & Renewable Energy Res & De, CAS Key Lab Renewable Energy, Guangzhou 510640, Peoples R China 2.Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位	中国科学院广州能源研究所
推荐引用方式 GB/T 7714	Liu, Xiaohao,Liu, Xiaodong,Wang, Haiyong,et al. A mechanism study on the efficient conversion of cellulose to acetol over Sn-Co catalysts with low Sn content[J]. GREEN CHEMISTRY,2020,22(19):6579-6587.
APA	Liu, Xiaohao,Liu, Xiaodong,Wang, Haiyong,Xiao, Tianci,Zhang, Ying,&Ma, Longlong.(2020).A mechanism study on the efficient conversion of cellulose to acetol over Sn-Co catalysts with low Sn content.GREEN CHEMISTRY,22(19),6579-6587.
MLA	Liu, Xiaohao,et al."A mechanism study on the efficient conversion of cellulose to acetol over Sn-Co catalysts with low Sn content".GREEN CHEMISTRY 22.19(2020):6579-6587.