… It is important to understand how the sugars in bio-oil contribute to the coke formation. … of
the NiMo and CoMo catalysts on the coke formation during the hydrotreatment of bio-oil under …

… by coke formed from the unstable bio-oil, and catalyst decomposition into dust. Catalyst
decomposition was observed in catalyst … 20 and 100% of length from the top of the catalyst layer. …

… bio-oil into a liquid fuel that can be used in the existing vehicles. … NiMo/γ-Al 2 O 3 and/or
CoMo/γ-Al 2 O 3 were used as … before the bio-oil came into contact with the NiMo catalyst. …

… as the first-step catalyst and a sulfided CoMo or NiMo on a carbon catalyst in a two-step …
that coke formation is the major issue that causes deactivation of bio-oil hydrotreating catalysts. …

… Deactivation of the catalyst by the coke formed through the polymerization of the lignin … over
sulfided NiMo and CoMo catalysts. 75–90 g of each catalyst or their mixture (50 g of NiMo in …

… In this study, hydrotreatment of pine pyrolysis oils with NiMo/γ-Al 2 O 3 … of the NiMo catalyst
by eliminating more oxygenated compounds, the HDO of bio-oil catalyzed by NiMo, which …

… of different model compounds over a NiMo catalyst, which was, from … tendency to coke
formation and decreases catalyst stability. … VGO with 10% hydrotreated bio-oil, assuming 2000 dry …

… by hydrotreatment utilizing heterogeneous catalysis at 300 C … The kinetic studies of real
bio-oil HDO are rare and always … results in the formation of the coke during hydrotreatment [11] …

… a single-stage NiMo/Al 2 O 3 or CoMo/Al 2 O 3 is inappropriate for HDO due to quick and
severe coke formation [11]. First reported by Gagnon and Kaliaguine [12], Ru catalyst had been …

… of upgrading bio-oil because there are hydrotreating units in place … Coke formation at the
time of the reaction is the main … the traditional sulfide NiMo/CoMo catalyst supported on gamma …