Aqueous phase reforming of birch and pine hemicellulose hydrolysates

Atte Aho, Matias Alvear, Juha Ahola, Jani Kangas, Juha Tanskanen, Irina Simakova, José Luis Santos, Kari Eränen, Tapio Salmi, Dmitry Yu Murzin, Henrik Grénman*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

The current work focuses on studying the aqueous phase reforming (APR) of pine and birch hydrolysate obtained from waste wood by using organic acids available from biorefineries. Processing of representative synthetic mixtures was utilized in the work in order to support data interpretation related to the influence of different chemical compound and processing parameters on the APR of the actual hydrolysates. It was shown, that hydrogenation of the hydrolysates prior to APR was not feasible in the presence of formic acid, which ruled out one potential processing route. However, it was successfully demonstrated that birch and pine hydrolysates could be directly processed obtaining close to full conversion. The best results were obtained with tailored bimetallic Pd-Pt/sibunit catalyst in a trickle bed reactor system in the temperature range 175 °C–225 °C.

Original languageEnglish
Article number126809
JournalBioresource Technology
Volume348
DOIs
Publication statusPublished - Mar 2022
MoE publication typeA1 Journal article-refereed

Keywords

  • Aqueous phase reforming
  • Bi-metallic catalysts
  • Hemicellulose hydrolysate
  • Renewable alkanes
  • Renewable hydrogen

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