Jump to main content
Jump to site search

Issue 8, 2016
Previous Article Next Article

A bilateral electrochemical hydrogen pump reactor for 2-propanol dehydrogenation and phenol hydrogenation

Author affiliations

Abstract

A bilateral electrochemical hydrogen pump reactor is proposed for the first time. In one electrochemical hydrogen pump (EHP) configuration, in situ adsorbed hydrogen atoms for phenol hydrogenation at the cathode are donated by the dehydrogenation of 2-propanol instead of a conventional H2 or H2O anode feedstock. For the anodic 2-propanol dehydrogenation EHP reactor, by increasing Pt–Ru/C catalyst loading and applying a pulse current operation, the applied potential can be controlled below 0.2 V, which is much lower than the thermodynamic dissociation potential of water (1.23 V). For the cathodic cyclohexanone hydrogenation EHP reactor, the hydrogenation rate reaches 73.9 mmol h−1 g−1Pd, nearly three times of that in aqueous-phase selective hydrogenation reactors. Pd/C and Pt/C catalysts have high catalytic selectivity to cyclohexanone (95.5%) and cyclohexanol (95.4%), respectively. In the bilateral EHP reactor, 2-propanol dehydrogenation and phenol hydrogenation are completed simultaneously, exhibiting a comparable hydrogenation rate, selectivity and conversion to that in the individual EHP reactors. The feasibility of the bilateral EHP reactor provides a novel idea to efficiently integrate multiple reactors into one configuration, which greatly simplifies hydrogen production, storage and transportation, as well as reactor equipment.

Graphical abstract: A bilateral electrochemical hydrogen pump reactor for 2-propanol dehydrogenation and phenol hydrogenation

Back to tab navigation

Publication details

The article was received on 26 Jul 2015, accepted on 23 Oct 2015 and first published on 27 Oct 2015


Article type: Paper
DOI: 10.1039/C5GC01719J
Green Chem., 2016,18, 2353-2362

  •   Request permissions

    A bilateral electrochemical hydrogen pump reactor for 2-propanol dehydrogenation and phenol hydrogenation

    S. Huang, X. Wu, W. Chen, T. Wang, Y. Wu and G. He, Green Chem., 2016, 18, 2353
    DOI: 10.1039/C5GC01719J

Search articles by author

Spotlight

Advertisements