Effect of biodiesel-derived impurities (acetic acid, methanol and potassium hydroxide) on the aqueous phase reforming of glycerol.

J. Remón,J. Ruiz,M. Oliva,L. García,J. Arauzo

Chemical Engineering Journal（2016）

Cited 30|Views3

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Abstract

•Full analysis of individual/binary/ternary CH3OH–CH3COOH–KOH mixtures on glycerol APR.•The pH and the K+/H+ and K+/OH− ratios of the solution influence glycerol APR.•Acidic conditions promote Ni and La leaching, causing catalyst deactivation.•KOH promotes H2 production from glycerol via base-catalysed reactions.•Optimum for glycerol APR: low amounts of CH3OH & CH3COOH and a high amount of KOH.

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Key words

Crude glycerol,Aqueous phase reforming,Acetic acid,Methanol,Potassium hydroxide

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