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Atmospheric hydrodeoxygenation of phenol as pyrolytic-oil model compound for hydrocarbon production using Ag/TiO 2 catalyst

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Atmospheric hydrodeoxygenation of phenol as pyrolytic-oil model compound for hydrocarbon production using Ag/TiO 2 catalyst. / Kay Lup, A.N.; Abnisa, F.; Daud, W.M.A.W. et al.
In: Asia-Pacific Journal of Chemical Engineering, Vol. 14, No. 2, e2293, 01.03.2019.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Kay Lup, AN, Abnisa, F, Daud, WMAW & Aroua, MK 2019, 'Atmospheric hydrodeoxygenation of phenol as pyrolytic-oil model compound for hydrocarbon production using Ag/TiO 2 catalyst', Asia-Pacific Journal of Chemical Engineering, vol. 14, no. 2, e2293. https://doi.org/10.1002/apj.2293

APA

Kay Lup, A. N., Abnisa, F., Daud, W. M. A. W., & Aroua, M. K. (2019). Atmospheric hydrodeoxygenation of phenol as pyrolytic-oil model compound for hydrocarbon production using Ag/TiO 2 catalyst. Asia-Pacific Journal of Chemical Engineering, 14(2), Article e2293. https://doi.org/10.1002/apj.2293

Vancouver

Kay Lup AN, Abnisa F, Daud WMAW, Aroua MK. Atmospheric hydrodeoxygenation of phenol as pyrolytic-oil model compound for hydrocarbon production using Ag/TiO 2 catalyst. Asia-Pacific Journal of Chemical Engineering. 2019 Mar 1;14(2):e2293. Epub 2019 Feb 11. doi: 10.1002/apj.2293

Author

Kay Lup, A.N. ; Abnisa, F. ; Daud, W.M.A.W. et al. / Atmospheric hydrodeoxygenation of phenol as pyrolytic-oil model compound for hydrocarbon production using Ag/TiO 2 catalyst. In: Asia-Pacific Journal of Chemical Engineering. 2019 ; Vol. 14, No. 2.

Bibtex

@article{4baac169109f448594afb93d737fafaf,
title = "Atmospheric hydrodeoxygenation of phenol as pyrolytic-oil model compound for hydrocarbon production using Ag/TiO 2 catalyst",
abstract = "Hydrodeoxygenation (HDO) kinetics of phenol over Ag/TiO 2 catalyst was investigated at 415–600 K and 1 atm. The use of oxophilic TiO 2 support has improved phenol conversion due to its preferential activation of CO bond. Product analysis confirmed the occurrence of direct deoxygenation (DDO) and hydrogenation–dehydration (HYD) pathways to produce benzene and cyclohexane, respectively. Both phenol hydrogenolysis and hydrogenation steps are the respective rate-limiting steps for DDO and HYD pathways of phenol HDO over Ag/TiO 2 . Based on the transition state theory, negative entropy changes of activation during HDO indicated that the HDO reactants formed activated complexes that had more orderly bonding configurations prior to the hydrogenolysis, hydrogenation, and dehydration steps. Under the present conditions, the catalyst was stable after 4 hr of HDO runs and able to be regenerated via H 2 -activation and calcination in air at 553 K with at least 98.9% removal efficiency to remove coke deposits and reform Ag metal species after HDO. ",
keywords = "Gas-phase hydrodeoxygenation, Kinetic modeling, Phenol, Silver catalyst, Titania support, Chemical activation, Dehydration, Hydrogenolysis, Hydrolysis, Phenols, Titanium dioxide, Bonding configurations, Hydrocarbon production, Hydrodeoxygenation, Removal efficiencies, Titania supports, Transition state theories, Catalyst supports",
author = "{Kay Lup}, A.N. and F. Abnisa and W.M.A.W. Daud and M.K. Aroua",
year = "2019",
month = mar,
day = "1",
doi = "10.1002/apj.2293",
language = "English",
volume = "14",
journal = "Asia-Pacific Journal of Chemical Engineering",
issn = "1932-2135",
publisher = "John Wiley and Sons Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - Atmospheric hydrodeoxygenation of phenol as pyrolytic-oil model compound for hydrocarbon production using Ag/TiO 2 catalyst

AU - Kay Lup, A.N.

AU - Abnisa, F.

AU - Daud, W.M.A.W.

AU - Aroua, M.K.

PY - 2019/3/1

Y1 - 2019/3/1

N2 - Hydrodeoxygenation (HDO) kinetics of phenol over Ag/TiO 2 catalyst was investigated at 415–600 K and 1 atm. The use of oxophilic TiO 2 support has improved phenol conversion due to its preferential activation of CO bond. Product analysis confirmed the occurrence of direct deoxygenation (DDO) and hydrogenation–dehydration (HYD) pathways to produce benzene and cyclohexane, respectively. Both phenol hydrogenolysis and hydrogenation steps are the respective rate-limiting steps for DDO and HYD pathways of phenol HDO over Ag/TiO 2 . Based on the transition state theory, negative entropy changes of activation during HDO indicated that the HDO reactants formed activated complexes that had more orderly bonding configurations prior to the hydrogenolysis, hydrogenation, and dehydration steps. Under the present conditions, the catalyst was stable after 4 hr of HDO runs and able to be regenerated via H 2 -activation and calcination in air at 553 K with at least 98.9% removal efficiency to remove coke deposits and reform Ag metal species after HDO.

AB - Hydrodeoxygenation (HDO) kinetics of phenol over Ag/TiO 2 catalyst was investigated at 415–600 K and 1 atm. The use of oxophilic TiO 2 support has improved phenol conversion due to its preferential activation of CO bond. Product analysis confirmed the occurrence of direct deoxygenation (DDO) and hydrogenation–dehydration (HYD) pathways to produce benzene and cyclohexane, respectively. Both phenol hydrogenolysis and hydrogenation steps are the respective rate-limiting steps for DDO and HYD pathways of phenol HDO over Ag/TiO 2 . Based on the transition state theory, negative entropy changes of activation during HDO indicated that the HDO reactants formed activated complexes that had more orderly bonding configurations prior to the hydrogenolysis, hydrogenation, and dehydration steps. Under the present conditions, the catalyst was stable after 4 hr of HDO runs and able to be regenerated via H 2 -activation and calcination in air at 553 K with at least 98.9% removal efficiency to remove coke deposits and reform Ag metal species after HDO.

KW - Gas-phase hydrodeoxygenation

KW - Kinetic modeling

KW - Phenol

KW - Silver catalyst

KW - Titania support

KW - Chemical activation

KW - Dehydration

KW - Hydrogenolysis

KW - Hydrolysis

KW - Phenols

KW - Titanium dioxide

KW - Bonding configurations

KW - Hydrocarbon production

KW - Hydrodeoxygenation

KW - Removal efficiencies

KW - Titania supports

KW - Transition state theories

KW - Catalyst supports

U2 - 10.1002/apj.2293

DO - 10.1002/apj.2293

M3 - Journal article

VL - 14

JO - Asia-Pacific Journal of Chemical Engineering

JF - Asia-Pacific Journal of Chemical Engineering

SN - 1932-2135

IS - 2

M1 - e2293

ER -