Results 61 to 70 of about 13,197 (257)

Functionalized graphene sheet as a dispersible fuel additive for catalytic decomposition of methylcyclohexane

open access: yes, 2020
The decomposition of methylcyclohexane (MCH) containing suspended functionalized graphene sheets (FGS) was studied using a high-pressure flow reactor, under supercritical conditions over the temperature range of 780 – 825 K at a constant pressure of 4.72
H. Sim   +5 more
semanticscholar   +1 more source

Sustainable energy efficient distillation columns sequence design of aromatic separation unit [PDF]

open access: yes, 2015
Distillation operations became a major concern within sustainability challenge, which it becomes a primary target of energy saving efforts in industrially developed countries.
Abd. Hamid, Mohd. Kamaruddin   +4 more
core   +3 more sources

Lactones with Methylcyclohexane Systems Obtained by Chemical and Microbiological Methods and Their Antimicrobial Activity

open access: yesMolecules, 2015
Eight new lactones (δ-chloro-, δ-bromo- and δ-iodo-γ-lactones), each with a methylcyclohexane ring, were obtained by chemical means from (4-methylcyclohex-2-en-1-yl) acetic acid or (6-methylcyclohex-2-en-1-yl) acetic acid.
Małgorzata Grabarczyk   +5 more
doaj   +1 more source

A Homologous Series of Cobalt, Rhodium, and Iridium Metalloradicals [PDF]

open access: yes, 2012
We herein present a series of d7 trimethylphosphine complexes of group 9 metals that are chelated by the tripodal tetradentate tris(phosphino)silyl ligand [SiP^(iPr)_3]H ([SiP^(iPr)_3] = (2_(-i)Pr_2PC_6H_4)_3Si^–).
Peters, Jonas C., Takaoka, Ayumi
core   +1 more source

Déshydrogénation du méthylcyclohexane sur le catalyseur industriel Pt-Sn/Al2O3 Dehydrogenation of Methylcyclohexane on the Pt-Sn/Al2o3 Industrial Catalyst

open access: yesOil & Gas Science and Technology, 2006
Une solution au problème de l'utilisation de l'hydrogène comme carburant dans les moyens de transport consiste à le produire in situ par déshydrogénation de naphtène cyclohexanique, le méthylcyclohexane par exemple.
Chaouki J.   +4 more
doaj   +1 more source

Scaling of demixing curves and crossover from critical to tricritical behavior in polymer solutions

open access: yes, 2002
In this paper we show that the virial expansion up to third order for the osmotic pressure of a dilute polymer solution, including first-order perturbative corrections to the virial coefficients, allows for a scaling description of phase-separation data ...
Anisimov, M. A.   +3 more
core   +1 more source

Ambident Reactivity in the Phenyl + NO Radical Recombination

open access: yesChemistry – A European Journal, EarlyView.
ABSTRACT The recombination reaction of nitric oxide (NO) with radicals via its oxygen atom, rather than the more common nitrogen site, offers an intriguing pathway to the formation of oxynitrenes. The photochemical isomerization of nitroso compounds into their corresponding oxynitrenes may involve such a step.
Virinder Bhagat   +3 more
wiley   +1 more source

Estimates of Cl atom concentrations and hydrocarbon kinetic reactivity in surface air at Appledore Island, Maine (USA), during International Consortium for Atmospheric Research on Transport and Transformation/Chemistry of Halogens at the Isles of Shoals [PDF]

open access: yes, 2007
Average hydroxyl radical (OH) to chlorine atom (Cl·) ratios ranging from 45 to 119 were determined from variability‐lifetime relationships for selected nonmethane hydrocarbons (NMHC) in surface air from six different transport sectors arriving at ...
Fischer, Emily V.   +4 more
core   +1 more source

Irreversible catalytic methylcyclohexane dehydrogenation by surface protonics at low temperature

open access: yesRSC Advances, 2019
Liquid organic hydrides are regarded as promising for use as hydrogen carriers via the methylcyclohexane (MCH)–toluene–hydrogen cycle. Because of the endothermic nature of MCH dehydrogenation, the reaction is usually conducted at temperatures higher than

semanticscholar   +1 more source

Clathrate hydrate crystallization

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Clathrate hydrate crystallization has been an area of interest to chemical engineers from the point of view of crystal structure, thermophysical properties, phase equilibria, kinetics, industrial applications, and environmental (climate change) implications.
Peter Englezos
wiley   +1 more source

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