Articles with "situ hydrogen" as a keyword



Catalytic transfer hydrogenolysis of lignin into monophenols over platinum-rhenium supported on titanium dioxide using isopropanol as in situ hydrogen source.

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Published in 2019 at "Bioresource technology"

DOI: 10.1016/j.biortech.2019.01.132

Abstract: Using isopropanol as an in situ hydrogen donor, catalytic transfer hydrogenolysis of lignin into monomeric phenols was studied at mild conditions. The performance of catalysts and the effects of H2, temperature, and time on depolymerization… read more here.

Keywords: transfer hydrogenolysis; using isopropanol; catalytic transfer; situ hydrogen ... See more keywords
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Mesoporous Al-HMS and Al-MCM-41 supported Ni-Mo sulfide catalysts for HYD and HDS via in situ hydrogen generation through a WGSR

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Published in 2019 at "Catalysis Today"

DOI: 10.1016/j.cattod.2018.11.030

Abstract: Abstract The mesoporous aluminosilicates Al-HMS (Si/Al = 10) and Al-MCM-41 (Si/Al = 20) types were synthesized via the neutral templating pathway and used as supports for Ni-Mo sulfide catalysts, prepared by standard incipient wetness co-impregnation technique followed by sulfidation… read more here.

Keywords: hms mcm; mesoporous hms; mcm supported; supported sulfide ... See more keywords
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Depolymerization of Lignin over a Ni–Pd Bimetallic Catalyst Using Isopropanol as an in Situ Hydrogen Source

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Published in 2019 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.9b01976

Abstract: Performance of Ni–Pd bimetallic catalysts on depolymerization of lignin into monomeric phenols was investigated using isoproponal as an in situ hydrogen source. The performance of catalysts and the effects of temperature and starting lignins were… read more here.

Keywords: microscopy; depolymerization; situ hydrogen; depolymerization lignin ... See more keywords
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In situ hydrogen production from hydrocarbon reservoirs – modelling study

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Published in 2023 at "RSC Advances"

DOI: 10.1039/d3ra01762a

Abstract: The use of hydrogen is gaining reputation because of its many beneficial properties to the environment in comparison to hydrocarbon not minding its net energy requirement for production challenges. With most countries adopting a strategy… read more here.

Keywords: hydrogen production; hydrocarbon reservoirs; hydrogen; hydrocarbon ... See more keywords
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Hydrogen-Assisted Crack Growth in the Heat-Affected Zone of X80 Steels during in Situ Hydrogen Charging

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Published in 2019 at "Materials"

DOI: 10.3390/ma12162575

Abstract: Herein, the hydrogen embrittlement of a heat-affected zone (HAZ) was examined using slow strain rate tension in situ hydrogen charging. The influence of hydrogen on the crack path of the HAZ sample surfaces was determined… read more here.

Keywords: heat affected; situ hydrogen; hydrogen; hydrogen charging ... See more keywords
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Investigation of Hydrogen Embrittlement Susceptibility and Fracture Toughness Drop after in situ Hydrogen Cathodic Charging for an X65 Pipeline Steel

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Published in 2020 at "Micromachines"

DOI: 10.3390/mi11040430

Abstract: The present research focuses on the investigation of an in situ hydrogen charging effect during Crack Tip Opening Displacement testing (CTOD) on the fracture toughness properties of X65 pipeline steel. This grade of steel belongs… read more here.

Keywords: x65 pipeline; situ hydrogen; hydrogen; steel ... See more keywords