Continuous-Flow Hydrogenation of Carbon Dioxide to Pure Formic Acid using an 
Integrated scCO2 Process with Immobilized Catalyst and Base

Wesselbaum, Sebastian; Hintermair, Ulrich; Leitner, Walter

doi:10.1002/anie.201203185

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Continuous-Flow Hydrogenation of Carbon Dioxide to Pure Formic Acid using an Integrated scCO₂ Process with Immobilized Catalyst and Base

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Wesselbaum, Sebastian
Institut für Technische Chemie, RWT Aachen University;
Research Group of Nanoscale Spin Imaging, MPI for Biophysical Chemistry, Max Planck Society;

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Leitner, Walter
Institut für Technische Chemie, RWT Aachen University;
Service Department Leitner (Technical Labs), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Wesselbaum, S., Hintermair, U., & Leitner, W. (2012). Continuous-Flow Hydrogenation of Carbon Dioxide to Pure Formic Acid using an Integrated scCO₂ Process with Immobilized Catalyst and Base. Angewandte Chemie International Edition: a journal of the Gesellschaft Deutscher Chemiker, 51(34), 8585-8588. doi:10.1002/anie.201203185.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-A2AA-A

Abstract

Dual role for CO₂: Pure formic acid can be obtained continuously by hydrogenation of CO₂ in a single processing unit (see scheme). An immobilized ruthenium organometallic catalyst and a nonvolatile base in an ionic liquid (IL) are combined with supercritical CO₂ as both reactant and extractive phase.