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gamma-Valerolactone-introduced controlled-isomerization of glucose for lactic acid production over an Sn-Beta catalyst
Zhao, Xinpeng; Zhou, Zhimin; Luo, Hu; Zhang, Yanfei; Liu, Wang; Miao, Gai; Zhu, Lijun; Kong, Lingzhao; Li, Shenggang; Sun, Yuhan
2021
Source PublicationGREEN CHEMISTRY
ISSN1463-9262
Volume23Issue:7Pages:2634-2639
AbstractCombined experiments and density functional theory (DFT) calculations provided insights into the role of environment-friendly gamma-valerolactone (GVL) as a solvent in the hydrothermal conversion of glucose into lactic acid (LA) over the post-synthesized Sn-Beta catalyst. By introducing 2.0 wt% GVL, a much higher yield of LA (72.0 wt%) was obtained than that in pure water (60.1 wt%) at 200 degrees C, 4 MPa N-2, and 30 min in a batch reactor. The GVL effectively suppressed the isomerization of glucose into fructose in a controlled-transfer mode, resulting in a lower fructose concentration. Thermogravimetry-differential analysis and DFT calculations demonstrated that the competitive adsorption between GVL and glucose happened at the open Sn sites over the Sn-Beta catalyst, which led to a controlled isomerization rate in water. Further increasing the content of GVL to 20.0 wt%, the higher yield of LA (74.0 wt%) was attributed to the more efficient competitive adsorption while also inhibiting carbon deposition.
Document Type期刊论文
Identifierhttp://ir.sari.ac.cn/handle/39PL6PPA/3440
Collection中国科学院上海高等研究院
Recommended Citation
GB/T 7714
Zhao, Xinpeng,Zhou, Zhimin,Luo, Hu,et al. gamma-Valerolactone-introduced controlled-isomerization of glucose for lactic acid production over an Sn-Beta catalyst[J]. GREEN CHEMISTRY,2021,23(7):2634-2639.
APA Zhao, Xinpeng.,Zhou, Zhimin.,Luo, Hu.,Zhang, Yanfei.,Liu, Wang.,...&Sun, Yuhan.(2021).gamma-Valerolactone-introduced controlled-isomerization of glucose for lactic acid production over an Sn-Beta catalyst.GREEN CHEMISTRY,23(7),2634-2639.
MLA Zhao, Xinpeng,et al."gamma-Valerolactone-introduced controlled-isomerization of glucose for lactic acid production over an Sn-Beta catalyst".GREEN CHEMISTRY 23.7(2021):2634-2639.
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