Chlorine Influence on Palladium Doped Nickel Catalysts in Levulinic Acid Hydrogenation with Formic Acid as Hydrogen Source

Emilia Soszka, Hanna M. Reijneveld, Marcin Jedrzejczyk, Izabela Irena Rzeznicka, Jacek Grams, Agnieszka M. Ruppert

Research output: Contribution to journalArticle

Abstract

Levulinic acid (LA) is a platform molecule, and its valorization toward biofuel additives like γ-valerolactone or tetrahydrofuran is considered as an important step in planning future biorefinery schemes. In this study, various Ni based catalysts were studied for the LA hydrogenation with formic acid (FA) used as a hydrogen source. Two different ways of catalytic activity improvement are discussed (nickel loading vs addition of dopants). The influence of Ni doping by small amount of noble metals (Pt, Pd, Ru, Rh) showed that Ni-Pd is the most active catalyst. Its high catalytic performance is attributed to the synergic effect between two metals and interaction with chlorine. The effect of chlorine on catalytic performance and properties of the catalysts was evaluated by variety of surface and bulk-sensitive characterization methods. It was shown that addition of chlorine is one of the key factors required for high catalytic performance. Chlorine influences distribution of metals on the surface of the catalyst, their interaction with support and facilitates the formation of small crystallites, which is beneficial for reaching high catalytic activity.

Original languageEnglish
JournalACS Sustainable Chemistry and Engineering
DOIs
Publication statusAccepted/In press - 2018 Jan 1

Fingerprint

formic acid
Formic acid
Chlorine
palladium
Palladium
Nickel
Hydrogenation
chlorine
Hydrogen
nickel
catalyst
hydrogen
Catalysts
Acids
acid
metal
Catalyst activity
Metals
Doping (additives)
Biofuels

Keywords

  • Bimetallic catalysts
  • Formic acid
  • Internal hydrogen source
  • Levulinic acid
  • Nickel
  • γ-Valerolactone

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Renewable Energy, Sustainability and the Environment

Cite this

Chlorine Influence on Palladium Doped Nickel Catalysts in Levulinic Acid Hydrogenation with Formic Acid as Hydrogen Source. / Soszka, Emilia; Reijneveld, Hanna M.; Jedrzejczyk, Marcin; Rzeznicka, Izabela Irena; Grams, Jacek; Ruppert, Agnieszka M.

In: ACS Sustainable Chemistry and Engineering, 01.01.2018.

Research output: Contribution to journalArticle

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