TY - JOUR

T1 - Hydrotreatment of 2-Methoxyphenol over High Ni-Loaded Sol-Gel Catalysts

T2 - The Influence of Mo on Catalyst Activity and Reaction Pathways

AU - Alekseeva (Bykova), Maria V.

AU - Rekhtina, Margarita A.

AU - Lebedev, Maxim Y.

AU - Zavarukhin, Sergey G.

AU - Kaichev, Vasily V.

AU - Venderbosch, Robertus H.

AU - Yakovlev, Vadim A.

N1 - Publisher Copyright: © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2018/5/15

Y1 - 2018/5/15

N2 - Mo (content ranging from 0 to 18.8 wt%) is used as an additive in Ni-containing sol-gel derived catalysts NiCuMo/SiO2 for the hydrotreatment of guaiacol as a model compound in biomass derived pyrolysis liquids. The catalysts had a high Ni loading, from 39 to 51 wt%, promoted by copper with an atomic ratio Cu/Ni close to 0.12. The experiments were done in autoclave at 320 °C, at a hydrogen pressure of 9 MPa. Addition of molybdenum results in an increase in activity of the catalyst, accompanied with an increase in selectivity towards the deoxygenation reactions. This is attributed to the formation of solid solutions NiMo(Cu) and 4+ and 5+ charge states of Mo on the catalyst surface. Moreover, an increased mean metal particles size is observed at higher Mo loading, due to the weakening of the interaction between the active component (Ni) and the stabilizer (SiO2) in the presence of Mo.

AB - Mo (content ranging from 0 to 18.8 wt%) is used as an additive in Ni-containing sol-gel derived catalysts NiCuMo/SiO2 for the hydrotreatment of guaiacol as a model compound in biomass derived pyrolysis liquids. The catalysts had a high Ni loading, from 39 to 51 wt%, promoted by copper with an atomic ratio Cu/Ni close to 0.12. The experiments were done in autoclave at 320 °C, at a hydrogen pressure of 9 MPa. Addition of molybdenum results in an increase in activity of the catalyst, accompanied with an increase in selectivity towards the deoxygenation reactions. This is attributed to the formation of solid solutions NiMo(Cu) and 4+ and 5+ charge states of Mo on the catalyst surface. Moreover, an increased mean metal particles size is observed at higher Mo loading, due to the weakening of the interaction between the active component (Ni) and the stabilizer (SiO2) in the presence of Mo.

KW - Catalytic hydrotreatment

KW - Guaiacol

KW - Molybdenum

KW - Nickel

KW - Pyrolysis oil

KW - HYDROCARBONS

KW - GUAIACOL

KW - HYDRODEOXYGENATION

KW - REDUCTION

KW - NICKEL

KW - TEMPERATURE

KW - MODEL-COMPOUND

KW - BIO-OIL

KW - FAST-PYROLYSIS

KW - IN-SITU

UR - http://www.scopus.com/inward/record.url?scp=85047521844&partnerID=8YFLogxK

U2 - 10.1002/slct.201800639

DO - 10.1002/slct.201800639

M3 - Article

AN - SCOPUS:85047521844

VL - 3

SP - 5153

EP - 5164

JO - ChemistrySelect

JF - ChemistrySelect

SN - 2365-6549

IS - 18

ER -