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Abstract:

The present work explores the hydrogenolysis of glycerol to produce 1,2-propanediol in vapor phase at atmospheric pressure over copper catalysts supported on mesoporous alumina. Catalysts were prepared by alumina impregnation varying CuO loading between 3 wt% and 30 wt%. The textural and structural characteristics of the catalysts were determined by N2 sorptometry (BET), powder X-ray diffraction (PXRD), temperature programmed reduction (TPR) and N2O chemisorption (copper metallic area). The characterization showed that all catalysts present textural properties characteristic of mesoporous solids, such as the adsorption isotherms which are type IV. Based both on characterization and activity results, it was possible to conclude that the yield to 1,2-propanediol presented a non-monotonic dependence on total copper metallic area. In addition, it was proved that 1,2-propanediol production is associated with the presence of highly dispersed CuO phase in the solids. Promising results were obtained with CuO(15)Al catalysts, taking into account that the performance can be improved by increasing residence time. © 2017 Elsevier B.V.

Registro:

Documento: Artículo
Título:Vapor phase hydrogenolysis of glycerol to 1,2-propanediol at atmospheric pressure over copper catalysts supported on mesoporous alumina
Autor:Dieuzeide, M.L.; de Urtiaga, R.; Jobbagy, M.; Amadeo, N.
Filiación:ITHES (UBA-CONICET), Laboratorio de Procesos Catalíticos, Departamento de Ingeniería Química, Facultad de Ingeniería, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón de Industrias, 1428 Ciudad Autónoma de Buenos Aires, Argentina
INQUIMAE (UBA-CONICET), Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, 1428 Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:1,2-propanediol; CuO catalysts; Glycerol; Hydrogenolysis; Mesoporous alumina.; Alumina; Atmospheric pressure; Catalysts; Copper; Copper oxides; Glycerol; Hydrogenolysis; Hydrolysis; Mesoporous materials; X ray diffraction; 1 ,2-propanediol; CuO catalyst; Mesoporous alumina; Non-monotonic dependence; Powder X-ray diffraction (pXRD); Structural characteristics; Temperature-programmed reduction; Textural properties; Catalyst supports
Año:2017
Volumen:296
Página de inicio:19
Página de fin:25
DOI: http://dx.doi.org/10.1016/j.cattod.2017.05.095
Título revista:Catalysis Today
Título revista abreviado:Catal Today
ISSN:09205861
CODEN:CATTE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09205861_v296_n_p19_Dieuzeide

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Citas:

---------- APA ----------
Dieuzeide, M.L., de Urtiaga, R., Jobbagy, M. & Amadeo, N. (2017) . Vapor phase hydrogenolysis of glycerol to 1,2-propanediol at atmospheric pressure over copper catalysts supported on mesoporous alumina. Catalysis Today, 296, 19-25.
http://dx.doi.org/10.1016/j.cattod.2017.05.095
---------- CHICAGO ----------
Dieuzeide, M.L., de Urtiaga, R., Jobbagy, M., Amadeo, N. "Vapor phase hydrogenolysis of glycerol to 1,2-propanediol at atmospheric pressure over copper catalysts supported on mesoporous alumina" . Catalysis Today 296 (2017) : 19-25.
http://dx.doi.org/10.1016/j.cattod.2017.05.095
---------- MLA ----------
Dieuzeide, M.L., de Urtiaga, R., Jobbagy, M., Amadeo, N. "Vapor phase hydrogenolysis of glycerol to 1,2-propanediol at atmospheric pressure over copper catalysts supported on mesoporous alumina" . Catalysis Today, vol. 296, 2017, pp. 19-25.
http://dx.doi.org/10.1016/j.cattod.2017.05.095
---------- VANCOUVER ----------
Dieuzeide, M.L., de Urtiaga, R., Jobbagy, M., Amadeo, N. Vapor phase hydrogenolysis of glycerol to 1,2-propanediol at atmospheric pressure over copper catalysts supported on mesoporous alumina. Catal Today. 2017;296:19-25.
http://dx.doi.org/10.1016/j.cattod.2017.05.095