Bio-based acrylic acid from sugar via propylene glycol and allyl alcohol

C. V. Pramod, R. Fauziah, K. Seshan, J.P. Lange* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

32 Citations (Scopus)
28 Downloads (Pure)


A new route for producing bio-based acrylic acid is proposed. It starts with the conversion of carbohydrates to propylene glycol, being main or by-product, and proceeds via a subsequent dehydration to allyl alcohol under gas-phase conditions over K-modified ZrO2 and a final oxidation over MoWVOx catalyst at atmospheric pressures. Although preliminary, this study shows the possibility to convert propylene glycol to allyl alcohol with ∼50 mol% selectivity (at ∼64 mol% conversion) and convert allyl alcohol to acrylic acid with ∼77 mol% selectivity (at ∼90 mol% conversion). The oxidation of unconverted propylene glycol or the by-products propanal and 1-propanol results in propionic acid under these conditions. A preliminary process flow scheme is proposed based on the distillation resistance of the reaction products.

Original languageEnglish
Pages (from-to)289-296
Number of pages8
JournalCatalysis science & technology
Issue number1
Publication statusPublished - 7 Jan 2018


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