Exploratory catalyst screening studies on the base free conversion of glycerol to lactic acid and glyceric acid in water using bimetallic Au-Pt nanoparticles on acidic zeolites

Rajeesh Kumar Pazhavelikkakath Purushothaman, J. van Haveren, A. Mayoral, I. Melián-Cabrera, H.J. Heeres

Research output: Contribution to journalArticle

Abstract

The base free oxidation of glycerol with molecular oxygen in water using bimetallic Au-Pt catalysts on three different acidic zeolite supports (H-mordenite, H-β and H-USY) was explored in a batch setup. At temperatures between 140 and 180 °C, lactic acid formation was significant and highest selectivity (60 % lactic acid at 80 % glycerol conversion) was obtained using Au-Pt/USY-600 (180 °C). A selectivity switch to glyceric acid (GLYA) was observed when the reactions were performed at 100 °C. Highest conversion and selectivity towards GLYA were obtained with Au-Pt/H-β as the catalyst (68 % selectivity at 68 % conversion).

Original languageEnglish
Pages (from-to)1445-1453
Number of pages9
JournalTopics in Catalysis
Volume57
Issue number17-20
Early online date20 Sep 2014
DOIs
Publication statusPublished - 30 Nov 2014

Keywords

  • glycerol
  • gold catalysts
  • lactic acid
  • oxidation
  • zeolites

Fingerprint Dive into the research topics of 'Exploratory catalyst screening studies on the base free conversion of glycerol to lactic acid and glyceric acid in water using bimetallic Au-Pt nanoparticles on acidic zeolites'. Together they form a unique fingerprint.

  • Cite this