Abstract
There are few concerns on the hydrogen source except pure hydrogen and water for anode of electrochemical hydrogen pump (EHP) reactor. In this paper, the possibility of 2-propanol as the substitute of conventional hydrogen source was investigated. Dehydrogenation reaction conditions of 2-propanol were optimized, high performance of dehydrogenation could be obtained under 60°C with 1.0–2.0molL−1 2-propanol. Within 1.2V, the available current density of 2-propanol reaches 37.7mAcm−2, which could be equivalent to hundreds of bars hydrogen partial pressure in conventional three-phase hydrogenation reactor. When coupled with phenol hydrogenation in one EHP reactor, results indicate 2-propanol could be successfully performed as anode feed, and performance of phenol is almost as excellent as that in the phenol EHP reactors with hydrogen.
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