초록 |
Bio-oil is produced by Fast pyrolysis of lignocellulosic biomass. In spite of the fact that bio-oil is a liquid-phase material with much higher energy density than lignocellulosic biomass, it is not widely used as a fuel because of its drawbacks such as chemical instability, low heating value, high viscosity, and high acidity. The chemical instability and low heating value of bio-oil are attributed to high content of oxygen. There are two major methods under development to upgrade bio-oil by eliminating the oxygen: catalytic cracking and hydrodeoxygenation (HDO). In this study, Effect of promotor such as Mo, Co, Cu, Pt, W and Ru on HDO reactions of guaiacol as a model compound for phenolic compounds present in bio-oil was examined over Ni/AC in a fixed-bed reactor at 250 and 300oC. |