Fig. 2From: Liquid-phase hydrogenation of bio-refined succinic acid to 1,4-butanediol using bimetallic catalystsFE-SEM images of (a) 1% Ru-Co, (c) 2% Ru-Co and (e) 3% Ru-Co bimetallic catalyst. Corresponding EDX spectra for (a), (c) and (e) are in (b), (d) and (f), respectivelyBack to article page