Standard

Deoxygenation of esters over sulfur-free Ni–W/Al2O3 catalysts for production of biofuel components. / Kukushkin, R. G.; Yeletsky, P. M.; Grassin, C. T. et al.

In: Chemical Engineering Journal, Vol. 396, 125202, 15.09.2020.

Research output: Contribution to journal › Article › peer-review

Harvard

Kukushkin, RG, Yeletsky, PM, Grassin, CT, Chen, BH, Bulavchenko, OA, Saraev, AA & Yakovlev, VA 2020, 'Deoxygenation of esters over sulfur-free Ni–W/Al2O3 catalysts for production of biofuel components', Chemical Engineering Journal, vol. 396, 125202. https://doi.org/10.1016/j.cej.2020.125202

APA

Kukushkin, R. G., Yeletsky, P. M., Grassin, C. T., Chen, B. H., Bulavchenko, O. A., Saraev, A. A., & Yakovlev, V. A. (2020). Deoxygenation of esters over sulfur-free Ni–W/Al2O3 catalysts for production of biofuel components. Chemical Engineering Journal, 396, [125202]. https://doi.org/10.1016/j.cej.2020.125202

Vancouver

Kukushkin RG, Yeletsky PM, Grassin CT, Chen BH, Bulavchenko OA, Saraev AA et al. Deoxygenation of esters over sulfur-free Ni–W/Al2O3 catalysts for production of biofuel components. Chemical Engineering Journal. 2020 Sept 15;396:125202. doi: 10.1016/j.cej.2020.125202

Author

Kukushkin, R. G. ; Yeletsky, P. M. ; Grassin, C. T. et al. / Deoxygenation of esters over sulfur-free Ni–W/Al2O3 catalysts for production of biofuel components. In: Chemical Engineering Journal. 2020 ; Vol. 396.

BibTeX

@article{3922068e8b2747f39d7689f2733772ce,
title = "Deoxygenation of esters over sulfur-free Ni–W/Al2O3 catalysts for production of biofuel components",
abstract = "Sulfur-free Ni–W/Al2O3 catalysts synthesized through incipient wetness impregnation technique were investigated in deoxygenation of methyl palmitate and ethyl caprate blend at 300 °C and P = 1 MPa (PH2 = 0.25 MPa) in a fixed-bed continuous flow reactor. Modification of Ni/Al2O3 catalysts by W (0.4–4.4 wt%) was found to give rise to higher both conversions of the feedstock and deoxygenation degree. In addition, this also resulted in a change in the selectivity of deoxygenation towards alkanes formed via direct hydrodeoxygenation route, compared to alkanes formed through decarboxylation/decarbonylation. Selectivity by alkanes with carbon chain length equal to those of an initial fatty acid formed via hydrodeoxygenation was found to increase with W content increasing. The synthesized catalysts were investigated by XRD, XPS, TEM, BET and H2-TPR techniques. According to XPS study of the reduced samples, tungsten was in 6+ oxidation state on the sample surface and W6+ content increased in the near-surface layer of samples with tungsten content increasing in catalysts.",
keywords = "Deoxygenation, Green diesel, Nickel, Tungsten, Vegetable oil, GREEN DIESEL, HYDROGENATION, OXIDE, ACID, RAY PHOTOEMISSION-SPECTROSCOPY, NATURAL TRIGLYCERIDES, VEGETABLE-OILS, NICKEL, HYDRODEOXYGENATION, REDUCTION",
author = "Kukushkin, {R. G.} and Yeletsky, {P. M.} and Grassin, {C. T.} and Chen, {B. H.} and Bulavchenko, {O. A.} and Saraev, {A. A.} and Yakovlev, {V. A.}",
year = "2020",
month = sep,
day = "15",
doi = "10.1016/j.cej.2020.125202",
language = "English",
volume = "396",
journal = "Chemical Engineering Journal",
issn = "1385-8947",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Deoxygenation of esters over sulfur-free Ni–W/Al2O3 catalysts for production of biofuel components

AU - Kukushkin, R. G.

AU - Yeletsky, P. M.

AU - Grassin, C. T.

AU - Chen, B. H.

AU - Bulavchenko, O. A.

AU - Saraev, A. A.

AU - Yakovlev, V. A.

PY - 2020/9/15

Y1 - 2020/9/15

N2 - Sulfur-free Ni–W/Al2O3 catalysts synthesized through incipient wetness impregnation technique were investigated in deoxygenation of methyl palmitate and ethyl caprate blend at 300 °C and P = 1 MPa (PH2 = 0.25 MPa) in a fixed-bed continuous flow reactor. Modification of Ni/Al2O3 catalysts by W (0.4–4.4 wt%) was found to give rise to higher both conversions of the feedstock and deoxygenation degree. In addition, this also resulted in a change in the selectivity of deoxygenation towards alkanes formed via direct hydrodeoxygenation route, compared to alkanes formed through decarboxylation/decarbonylation. Selectivity by alkanes with carbon chain length equal to those of an initial fatty acid formed via hydrodeoxygenation was found to increase with W content increasing. The synthesized catalysts were investigated by XRD, XPS, TEM, BET and H2-TPR techniques. According to XPS study of the reduced samples, tungsten was in 6+ oxidation state on the sample surface and W6+ content increased in the near-surface layer of samples with tungsten content increasing in catalysts.

AB - Sulfur-free Ni–W/Al2O3 catalysts synthesized through incipient wetness impregnation technique were investigated in deoxygenation of methyl palmitate and ethyl caprate blend at 300 °C and P = 1 MPa (PH2 = 0.25 MPa) in a fixed-bed continuous flow reactor. Modification of Ni/Al2O3 catalysts by W (0.4–4.4 wt%) was found to give rise to higher both conversions of the feedstock and deoxygenation degree. In addition, this also resulted in a change in the selectivity of deoxygenation towards alkanes formed via direct hydrodeoxygenation route, compared to alkanes formed through decarboxylation/decarbonylation. Selectivity by alkanes with carbon chain length equal to those of an initial fatty acid formed via hydrodeoxygenation was found to increase with W content increasing. The synthesized catalysts were investigated by XRD, XPS, TEM, BET and H2-TPR techniques. According to XPS study of the reduced samples, tungsten was in 6+ oxidation state on the sample surface and W6+ content increased in the near-surface layer of samples with tungsten content increasing in catalysts.

KW - Deoxygenation

KW - Green diesel

KW - Nickel

KW - Tungsten

KW - Vegetable oil

KW - GREEN DIESEL

KW - HYDROGENATION

KW - OXIDE

KW - ACID

KW - RAY PHOTOEMISSION-SPECTROSCOPY

KW - NATURAL TRIGLYCERIDES

KW - VEGETABLE-OILS

KW - NICKEL

KW - HYDRODEOXYGENATION

KW - REDUCTION

UR - http://www.scopus.com/inward/record.url?scp=85085097318&partnerID=8YFLogxK

U2 - 10.1016/j.cej.2020.125202

DO - 10.1016/j.cej.2020.125202

M3 - Article

AN - SCOPUS:85085097318

VL - 396

JO - Chemical Engineering Journal

JF - Chemical Engineering Journal

SN - 1385-8947

M1 - 125202

ER -

ID: 24389355