Facile synthesis of the atomically dispersed hydrotalcite oxide supported copper catalysts for the selective hydrogenation of 5-hydroxymethylfurfural into 2,5-bis(hydroxymethyl)furan

被引：22

作者：

Kumar, Raju ^{[1
,2
,3
]}

Lee, Hsin-Hui ^{[1
]}

Chen, En ^{[1
]}

Du, Yuan-Peng ^{[1
]}

Lin, Chan-Yi ^{[1
]}

Prasanseang, Warot ^{[5
]}

Solos, Thanasak ^{[5
]}

Choojun, Kittisak ^{[5
]}

Sooknoi, Tawan ^{[5
]}

Xie, Rui-Kun ^{[6
]}

Lee, Jyh-Fu ^{[6
]}

Chung, Po-Wen ^{[1
,4
]}

机构：

[1] Acad Sinica, Inst Chem, 128 Acad Rd,Sect 2, Taipei 11529, Taiwan

[2] Natl Yang Ming Chiao Tung Univ, Dept Appl Chem, 1001 Ta Hsueh Rd, Hsinchu 30010, Taiwan

[3] Acad Sinica, Taiwan Int Grad Program TIGP, Sustainable Chem Sci & Technol SCST, Taipei 11529, Taiwan

[4] Natl Sun Yat Sen Univ, Dept Chem, Kaohsiung 80424, Taiwan

[5] King Mongkuts Inst Technol Ladkrabang, Sch Sci, Dept Chem, Chalongkrung Rd, Bangkok 10520, Thailand

[6] Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan

来源：

APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY | 2023年 / 329卷

关键词：

Atomically dispersed hydrotalcite oxide; supported copper catalyst; Selective hydrogenation; 5-hydroxymethylfurfural; 5-bis(hydroxymethyl)furan; FURFURYL ALCOHOL; CU; 2,5-DIMETHYLFURAN; HYDROGENOLYSIS; CONVERSION; MECHANISM; SITES; ACID;

D O I：

10.1016/j.apcatb.2023.122547

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The selective hydrogenation of 5-hydroxymethylfurfural (HMF) to 2,5-bis(hydroxymethyl)furan (BHMF) using the atomically dispersed supported copper catalyst is investigated. The hydrotalcite oxide supported copper materials (Cu(x)HTO) are facilely prepared by coprecipitating metal precursors in a methanolic solution under a tuned pH. The surface characterization involving PXRD, TEM, H2/N2O-TPR, and XAS reveals unequivocal evidence for the presence of the atomically dispersed copper on HTO surface. XAS specifically indicates the formation of mononuclear copper species, and H2/N2O-TPR strongly supports the copper atoms of Cu(5)HTO are evenly distributed in 99% dispersion. Moreover, the reduced Cu(5)HTO (r-Cu(5)HTO) enables to completely hydrogenate HMF to BHMF under mild conditions, in comparison to the poor reactivity catalyzed by the hydrotalcite oxide supported copper nanoparticles (r-Cu(4)@HTO). The dramatic enhancement of HMF hydrogenation catalyzed by r-Cu(5)HTO can be attributed to the fine distribution of copper atoms which are situated homogeneously over HTO surface as well as chemically reactive for the carbonyl group.

引用

页数：11

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