To determine the effects of catalyst loading
on the glycerol conversion and product production, different CaO
loading (molar ratios of CaO to glycerol at 0.4, 0.6, 0.8, and 1) and CuO
loading (molar ratios of CuO to glycerol at 0.05, 0.1, 0.15, and 0.2)
were investigated.