Articles with "hdo" as a keyword



Towards a sustainable bio-fuels production from lignocellulosic bio-oils: Influence of operating conditions on the hydrodeoxygenation of guaiacol over a Mo2C/CNF catalyst

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Published in 2019 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2019.04.008

Abstract: Abstract This work firstly provides a thorough insight into the effects of the operating conditions (catalyst loading, initial H2 pressure temperature, reaction time, H2/guaiacol ratio and liquid reaction volume) on the hydrodeoxygenation (HDO) of guaiacol… read more here.

Keywords: catalyst; production; bio; operating conditions ... See more keywords

Hydrothermal liquefaction versus catalytic hydrodeoxygenation of a bioethanol production stillage residue to platform chemicals: A comparative study

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Published in 2020 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2020.106654

Abstract: Abstract Biobased chemicals like phenols and aromatics are preferably produced from cheap biomass waste streams. In this work, we have explored the potential of a eucalyptus-derived second generation bioethanol production stillage (BPS) residue for this… read more here.

Keywords: step; hdo; bioethanol production; production stillage ... See more keywords

MgFe hydrotalcites-derived layered structure iron molybdenum sulfide catalysts for eugenol hydrodeoxygenation to produce phenolic chemicals

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Published in 2017 at "Journal of Energy Chemistry"

DOI: 10.1016/j.jechem.2017.07.008

Abstract: Abstract Hydrodeoxygenation (HDO) is an effective alternative to produce value-added chemicals and liquid fuels by removing oxygen from lignin-derived compounds. Sulfide catalysts have been proved to have good activity for the HDO and particularly high… read more here.

Keywords: hydrodeoxygenation; hdo; sulfide catalysts; mgfe hydrotalcites ... See more keywords

Nb(Ta)-based solid acid modified Pt/CNTs catalysts for hydrodeoxygenation of lignin-derived compounds

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Published in 2019 at "Molecular Catalysis"

DOI: 10.1016/j.mcat.2019.01.015

Abstract: Abstract Efficient upgrading of lignin bio-oils into oxygen-free liquid alkane fuels is a challenging task owing to the incompatibility of the phenolic feedstock with conventional fuels and the availability of effective hydrotreating catalysts based on… read more here.

Keywords: lignin derived; solid acid; diphenyl ether; hdo ... See more keywords

Promoting Effect of Ce and La on Ni–Mo/δ-Al2O3 Catalysts in the Hydrodeoxygenation of Vanillin

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Published in 2024 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.4c00898

Abstract: A crucial aspect of adding an economical and environmental dimension to the upgrading of bio-oils is to develop catalysts with enhanced and prolonged activity. In the present study, the effect of doping δ-alumina (Al2O3) with… read more here.

Keywords: catalyst; effect; promoting effect; al2o3 ... See more keywords

Mild hydrodeoxygenation of phenolic lignin model compounds over a FeReOx/ZrO2 catalyst: zirconia and rhenium oxide as efficient dehydration promoters

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Published in 2018 at "Green Chemistry"

DOI: 10.1039/c7gc03823b

Abstract: Strong adsorption of phenolics on zeolite acid sites causes high trapping inside zeolite channels and low catalytic activity of zeolite-supported catalysts in atmospheric pressure hydrodeoxygenation (HDO) of lignin-derived phenolics. This adsorption is more severe at… read more here.

Keywords: fereox zro2; zro2; hdo; catalytic activity ... See more keywords

Role of transition metals on MoS2-based supported catalysts for hydrodeoxygenation (HDO) of propylguaiacol

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Published in 2021 at "Sustainable Energy and Fuels"

DOI: 10.1039/d1se00184a

Abstract: Role of transition metals (Ni, Cu, Fe, and Zn) on MoS2 supported alumina was studied for the HDO of propylguaiacol (PG) to produce aromatics, cycloalkanes, and phenolics. A kinetic model was proposed elucidating the reaction… read more here.

Keywords: hdo propylguaiacol; transition metals; hdo; role transition ... See more keywords

Groundwater use and diarrhoea in urban Nepal: novel application of a geostatistical interpolation technique linking environmental and epidemiologic survey data

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Published in 2018 at "International Health"

DOI: 10.1093/inthealth/ihy037

Abstract: Abstract Background Groundwater is a common domestic water source in developing countries, but is persistently contaminated with enteropathogens. However, studies on determinants of diarrhoea have predominantly focused on piped water. This study examines the relationship… read more here.

Keywords: technique; groundwater; survey data; hdo ... See more keywords

Parity-pair-mixing effects in nonlinear spectroscopy of HDO.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.474525

Abstract: A non-linear spectroscopic study of the HDO molecule is performed in the wavelength range of 1.36-1.42 μm using noise-immune cavity-enhanced optical-heterodyne molecular spectroscopy (NICE-OHMS). More than 100 rovibrational Lamb dips are recorded, with an experimental… read more here.

Keywords: pair mixing; spectroscopy; parity; hdo ... See more keywords
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Upgrading of Oils from Biomass and Waste: Catalytic Hydrodeoxygenation

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Published in 2020 at "Catalysts"

DOI: 10.3390/catal10121381

Abstract: The continuous demand for fossil fuels has directed significant attention to developing new fuel sources to replace nonrenewable fossil fuels. Biomass and waste are suitable resources to produce proper alternative fuels instead of nonrenewable fuels.… read more here.

Keywords: waste; hdo; hydrodeoxygenation; oil ... See more keywords

The Characteristics of Hydrodeoxygenation of Biomass Pyrolysis Oil over Alumina-Supported NiMo Catalysts

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Published in 2024 at "Catalysts"

DOI: 10.3390/catal15010006

Abstract: The hydrodeoxygenation (HDO) of biomass pyrolysis oil (BPO) was evaluated in the presence of two commercial alumina-supported transition metal catalysts, NiMo/alumina-1 (NM1) and NiMo/alumina-2 (NM2). The study explored two characteristic aspects: how HDO reaction conditions… read more here.

Keywords: pyrolysis oil; biomass pyrolysis; hdo;