2. Materials and methods
2.1. Experimental procedures
Fig. 1 shows the schematic diagram of the saturated hydrocarbon (renewable diesel) production process in this study via saturated fatty acids from rapeseed oil. Prior to the experiment, PdlC catalyst (Pd/C 5/95 (w/w), Nacalai Tesque, Inc.) was dried overnight at 105 oc and reduced in H2 flow (15 ml/min) at 200 oC for 60 min. Rapeseed oil (reagent grade, Nacalai Tesque, Inc.) was, then, treated in hot-compressed water with H2 gas and PdlC catalyst for hydrolysis and hydrogenation to obtain saturated fatty acids. The obtained saturated fatty acids were then decarboxylated with Pd/C catalyst to produce saturated hydrocarbons by decarboxylation.