Synthesis of catalysts by pyrolysis of Cu-chitosan complexes and their evaluation in the hydrogenation of furfural to value-added products

被引：5
|
作者：
Guerrero-Torres, A. [1 ]
Jimenez-Gomez, C. P. [1 ]
Cecilia, J. A. [1 ]
Porras-Vazquez, J. M. [2 ]
Garcia-Sancho, C. [1 ]
Quirante-Sanchez, J. J. [3 ]
Guerrero-Ruiz, F. [4 ]
Moreno-Tost, R. [1 ]
Maireles-Torres, P. [1 ]
机构：
[1] Univ Malaga, Dept Quim Inorgan Cristal & Mineral, Unidad Asociada ICP CSIC, Fac Ciencias, Campus Teatinos, Malaga 29071, Spain
[2] Univ Malaga, Dept Quim Inorgan Cristal & Mineral, Fac Ciencias, Campus Teatinos, Malaga 29071, Spain
[3] Univ Malaga, Fac Ciencias, Dept Quim Fis, Campus Teatinos, Malaga 29071, Spain
[4] Univ Rovira & Virgili, Dept Analyt & Organ Chem, C Marcel Domingo,Edif 4, Tarragona 43007, Spain
来源：
MOLECULAR CATALYSIS | 2021年 / 512卷
关键词：
Chitosan; Pyrolysis; Porous carbon; Furfural; Furfuryl alcohol; PHASE SELECTIVE HYDROGENATION; COPPER CATALYST; ALCOHOL; ADSORPTION; SURFACE; METAL; OXIDE; 2-METHYLFURAN; ANTIOXIDANT; CHITIN;
D O I：
10.1016/j.mcat.2021.111774
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：
Chitosan has been used in the synthesis of catalysts for the furfural hydrogenation to obtain furfuryl alcohol. Cu based catalysts supported on a carbonaceous matrix have been synthesized by complexation of Cu2+ species with the free electron pairs of the amino groups of chitosan under acid conditions, dried and subsequent pyrolysis. The catalytic behavior shows how the most active catalyst is Chi30Cu (30 wt% Cu), reaching a conversion close to 65% after 5 h at 190 degrees C. In all cases, a progressive deactivation is observed as a consequence of the adsorption of furfural and furfuryl alcohol on the support. With regard to the obtained products, these catalysts are selective to furfuryl alcohol, so these catalysts are environmentally sustainable and have great potential to be used in the synthesis of furfuryl alcohol as an alternative to copper chromite, which is highly toxic due to the presence of Cr species.
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页数：12
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