Carbon supported Ru-Ni bimetallic catalysts for the enhanced one-pot conversion of cellulose to sorbitol

• Tipo: Artigo em Revista Científica Internacional
• Data: 2017

Autores

Lucília S. Ribeiro (Autor) FEUP; Juan J. Delgado (Autor) Outra; José J. M. Orfão (Autor) FEUP; M. Fernando R. Pereira (Autor) FEUP

Revista

Título: Applied Catalysis B: Environmental

Vol. 217

Páginas: 265-274

ISSN: 0926-3373

Editora: Elsevier

Indexação

ISI Web of Knowledge - 61 Citações

ISI Web of Science

Scopus - 66 Citações

Projetos Associados

LSRE-LCM - Laboratório de Processos de Separação e Reação - Laboratório de Catálise e Materiais

Outras Informações

ID Authenticus: P-00M-W7H

DOI: 10.1016/j.apcatb.2017.04.078

Abstract (EN): Ru and Ni mono- and bimetallic catalysts were prepared by impregnation of two different supports (activated carbon and carbon nanotubes) and were characterized by TPR, TEM and N-2 adsorption at -196 degrees C. The prepared Ru mono- and bimetallic catalysts were highly efficient for the hydrolytic hydrogenation of cellulose to sorbitol. Regardless of the support used, when nickel was incorporated into the supported ruthenium catalyst a promoting effect was observed, with an increase in both conversion and selectivity to sorbitol, which was explained by the interaction between both metals. Yields of sorbitol around 50-60% were achieved after 5 h of reaction when using Ru-Ni/AC and Ru-Ni/CNT as catalysts. Moreover, a yield of sorbitol over 70% could be reached in just 1 h of reaction if the Ru-Ni catalysts were ball-milled together with cellulose.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 10