Fig. 7From: Liquid-phase hydrogenation of bio-refined succinic acid to 1,4-butanediol using bimetallic catalysts3D Response surface plots showing the effect of various independent process variables on 1,4-Butanediol yield: (a) Effect of catalyst concentration and temperature on the yield of 1,4-Butanediol, (b) Effect of catalyst concentration and pressure on the yield of 1,4-ButanediolBack to article page