The heterogeneous catalytic hydrogenation of bicarbonate to formate in aqueous solutions

Harold Wiener; Jochanan Blum; Hans Feilchenfeld; Yoel Sasson; Nir Zalmanov

doi:10.1016/0021-9517(88)90308-9

The heterogeneous catalytic hydrogenation of bicarbonate to formate in aqueous solutions

Harold Wiener, Jochanan Blum, Hans Feilchenfeld^*, Yoel Sasson, Nir Zalmanov

^*Corresponding author for this work

Institute of Chemistry

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

59 Scopus citations

Abstract

The kinetics of the hydrogenation of aqueous solutions of HCO₃^- to HCO₂^- over Pd on C catalysts was studied. It was shown that the rate rose with increasing H₂ pressure in accordance with a Langmuir isotherm law. With increasing HCO₃^- concentration the rate passed through a maximum. Measurements of the equilibrium at 35 °C indicated a Gibbs free energy change of about -2.2 kcal/ mole. The highest concentration of HCO₂^- obtainable at 6 atm H₂ was limited by the common ion effect to 5.8 M.

Original language	English
Pages (from-to)	184-190
Number of pages	7
Journal	Journal of Catalysis
Volume	110
Issue number	1
DOIs	https://doi.org/10.1016/0021-9517(88)90308-9
State	Published - Mar 1988

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title = "The heterogeneous catalytic hydrogenation of bicarbonate to formate in aqueous solutions",

abstract = "The kinetics of the hydrogenation of aqueous solutions of HCO3- to HCO2- over Pd on C catalysts was studied. It was shown that the rate rose with increasing H2 pressure in accordance with a Langmuir isotherm law. With increasing HCO3- concentration the rate passed through a maximum. Measurements of the equilibrium at 35 °C indicated a Gibbs free energy change of about -2.2 kcal/ mole. The highest concentration of HCO2- obtainable at 6 atm H2 was limited by the common ion effect to 5.8 M.",

author = "Harold Wiener and Jochanan Blum and Hans Feilchenfeld and Yoel Sasson and Nir Zalmanov",

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AU - Sasson, Yoel

AU - Zalmanov, Nir

PY - 1988/3

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AB - The kinetics of the hydrogenation of aqueous solutions of HCO3- to HCO2- over Pd on C catalysts was studied. It was shown that the rate rose with increasing H2 pressure in accordance with a Langmuir isotherm law. With increasing HCO3- concentration the rate passed through a maximum. Measurements of the equilibrium at 35 °C indicated a Gibbs free energy change of about -2.2 kcal/ mole. The highest concentration of HCO2- obtainable at 6 atm H2 was limited by the common ion effect to 5.8 M.

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The heterogeneous catalytic hydrogenation of bicarbonate to formate in aqueous solutions

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