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

doi:10.1007/s11244-014-0316-2

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 journal › Article › peer-review

30 Citations (Scopus)

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 language	English
Pages (from-to)	1445-1453
Number of pages	9
Journal	Topics in Catalysis
Volume	57
Issue number	17-20
Early online date	20 Sept 2014
DOIs	https://doi.org/10.1007/s11244-014-0316-2
Publication status	Published - 30 Nov 2014

Keywords

glycerol
gold catalysts
lactic acid
oxidation
zeolites

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10.1007/s11244-014-0316-2

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Kumar Pazhavelikkakath Purushothaman, R., van Haveren, J., Mayoral, A., Melián-Cabrera, I., & Heeres, H. J. (2014). 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. Topics in Catalysis, 57(17-20), 1445-1453. https://doi.org/10.1007/s11244-014-0316-2

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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).",

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Kumar Pazhavelikkakath Purushothaman, R, van Haveren, J, Mayoral, A, Melián-Cabrera, I & Heeres, HJ 2014, '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', Topics in Catalysis, vol. 57, no. 17-20, pp. 1445-1453. https://doi.org/10.1007/s11244-014-0316-2

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. / Kumar Pazhavelikkakath Purushothaman, Rajeesh; van Haveren, J.; Mayoral, A. et al.
In: Topics in Catalysis, Vol. 57, No. 17-20, 30.11.2014, p. 1445-1453.

Research output: Contribution to journal › Article › peer-review

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T1 - 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

AU - Kumar Pazhavelikkakath Purushothaman, Rajeesh

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AB - 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).

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KW - gold catalysts

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KW - zeolites

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Kumar Pazhavelikkakath Purushothaman R, van Haveren J, Mayoral A, Melián-Cabrera I, Heeres HJ. 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. Topics in Catalysis. 2014 Nov 30;57(17-20):1445-1453. Epub 2014 Sept 20. doi: 10.1007/s11244-014-0316-2

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

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