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Browsing by Author "Khachatrian A."

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Copper stearate as a catalyst for improving the oxidation performance of heavy oil in in-situ combustion process

Yuan C.; Varfolomeev M.; Emelianov D.; Suwaid M.; Khachatrian A.; Starshinova V.; Vakhitov I.; Al-Muntaser A. (2018)

© 2018 Elsevier B.V. Copper stearate was applied as a catalyst for the oxidation of heavy oils. The catalytic effect was investigated by high-pressure differential scanning calorimetry (HP-DSC) and accelerating rate ...
Effect of halogen substitution on the enthalpies of solvation and hydrogen bonding of organic solutes in chlorobenzene and 1,2-dichlorobenzene derived using multi-parameter correlations

Varfolomeev M.; Rakipov I.; Khachatrian A.; Acree W.; Brumfield M.; Abraham M. (2015)

© 2015 Elsevier B.V. Enthalpies of solution at infinite dilution at 298 K, Δ<inf>soln</inf>H<sup>A/Solvent</sup>, have been measured by isothermal solution calorimetry for 43 and 72 organic solutes dissolved in chlorobenzene ...
Enthalpies of solution and enthalpies of solvation in water: The anion effect in ionic liquids with common 1-ethyl-3-methyl-imidazolium cation

Varfolomeev M.; Khachatrian A.; Akhmadeev B.; Solomonov B.; Yermalayeu A.; Verevkin S. (2015)

© Springer Science+Business Media New York 2015. Abstract Thermochemical studies of ionic liquids (ILs) in aqueous solution were carried out using solution calorimetry. Heat effects of dissolution in water at 298.15 K and ...
Enthalpies of solution and enthalpies of solvation of chloro- and nitro-substituted benzenes in 1-butyl-3-methyl imidazolium based ionic liquids at 298.15 K: Additivity of group contributions

Khachatrian A.; Shamsutdinova Z.; Varfolomeev M. (2016)

© 2016 Elsevier B.V.In this work thermochemistry of solution and solvation of mono- and di-substituted chloro- and nitro-benzenes in 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF4]), 1-butyl-3-methylimidazolium ...
Enthalpies of solution of 1-ethyl- and 1-butyl-3-methylimidazolium based ionic liquids in tetrahydrofuran and chloroform at 298.15 K: Thermochemical proton acceptor scale of anions

Khachatrian A.; Varfolomeev M.; Akhmadeev B. (2016)

© 2016 Elsevier B.V.In this work the thermodynamics of intermolecular interactions for imidazolium based ionic liquids in solutions of proton donor solvent chloroform and proton acceptor solvent tetrahydrofuran was studied ...
Experimental and Theoretical Thermodynamic Study of Distillable Ionic Liquid 1,5-Diazabicyclo[4.3.0]non-5-enium Acetate

Ostonen A.; Bervas J.; Uusi-Kyyny P.; Alopaeus V.; Zaitsau D.; Emel'Yanenko V.; Schick C.; King A.; Helminen J.; Kilpeläinen I.; Khachatrian A.; Varfolomeev M.; Verevkin S. (2016)

© 2016 American Chemical Society.A thermochemical study of the protic ionic liquid 1,5-diazabicyclo[4.3.0]non-5-enium acetate ([DBNH][OAc]), a prospective cellulose solvent considered for the Ioncell-F process, was carried ...
FTIR – spectroscopy of intermolecular interactions of pyrrole in solutions: The influence of media and cooperativity of hydrogen bonds

Rakipov I.; Petrov A.; Akhmadiyarov A.; Khachatrian A.; Klimovitskii A.; Varfolomeev M.; Solomonov B. (2019)

© 2018 Elsevier B.V. FTIR spectral analysis of solvation effects on the absorption frequencies of N–H stretching vibrations of pyrrole as well as its complexes with proton acceptors (B) was carried out. The comparative ...
Group additivity approach for determination of solvation enthalpies of aromatic compounds in 1-butyl-3-methylimidazolium tetrafluoroborate based on solution calorimetry data

Khachatrian A.; Shamsutdinova Z.; Varfolomeev M. (2017)

© 2017 Elsevier B.V.In this work thermochemistry of solvation of mono-, di-, tri- and tetra-substituted benzenes in 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF4]) ionic liquid was studied. Enthalpies of solution ...
Hydrogen bonding of molecular solutes in protic and aprotic ionic liquids

Khachatrian A.; Shamsutdinova Z.; Rakipov I.; Varfolomeev M.; Solomonov B.; Verevkin S. (2018)

© 2018 The thermochemical study of hydrogen bonding of organic solutes in 1-methylimidazolium bis(trifluoromethylsulfonyl)imide ([MIM][NTf2]) was carried out. Activity coefficients at infinite dilution of organic compounds ...
Interaction between aromatics and n-alkane for in-situ combustion process

Yuan C.; Varfolomeev M.; Khachatrian A. (2019)

© 2019 Elsevier B.V. In this research, the effect of p-quaterphenyl and cumene hydroperoxide on tetracosane combustion was investigated using accelerating rate calorimetry (ARC). Two obvious reaction processes were identified ...
Intermolecular interaction of organic solutes with protic [MIM][NO<inf>3</inf>] and aprotic [EMIM][NO<inf>3</inf>] ionic liquids

Khachatrian A.; Rakipov I.; Solomonov B.; Verevkin S. (2019)

© 2019 Elsevier B.V. Intermolecular interactions of organic solutes with a protic ionic liquid (1-methylimidazolium nitrate [MIM][NO3]) have been in focus of this work. Activity coefficients at infinite dilution of organic ...
Solution and solvation enthalpies of aromatic derivitives in binary mixtures. Dipole moment and dielectric properties

Petrov A.; Rakipov I.; Khachatrian A.; Varfolomeev M.; Akhmadiyarov A.; Ismagilova R.; Vereshchagina Y.; Solomonov B. (2019)

© 2019 Elsevier B.V. In the present work a thermochemistry of solution and solvation of mono- and di-substituted chloro- and nitrobenzenes in binary mixtures was studied. The infinite dilution solution enthalpies of ...
Solvation thermochemistry of aromatic hydrocarbons and their halogen derivatives in imidazolium-based ionic liquids

Khachatrian A.; Batukaev T.; Rakipov I.; Varfolomeev M.; Solomonov B. (2019)

© 2019 Elsevier B.V. In this work solution enthalpies of aromatic compounds and their halogen derivatives in 1-butyl-3-methylimidazolium tetrafluoroborate [BMIM][BF4], 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl) ...
The ability of ionic liquids to form hydrogen bonds with organic solutes evaluated by different experimental techniques. Part I. Alkyl substituted imidazolium and sulfonium based ionic liquids

Khachatrian A.; Shamsutdinova Z.; Rakipov I.; Varfolomeev M. (2018)

© 2018 This work is devoted to the quantitative study of hydrogen bond formation of N-alkyl substituted ionic liquids with proton acceptor and proton donor organic solvents. 1-Butyl-3-methylimidazolium bis(trifluorometha ...
The hydrogen bonding enthalpies of water and methanol in ionic liquids

Khachatrian A.; Solomonov B. (2018)

© 2018 Elsevier B.V. The thermochemical study of hydrogen bonding of water with different proton acceptor ionic liquids was carried out. Along with the available experimental data, the solution enthalpies of water in ...
Thermal behavior and kinetics of heavy crude oil during combustion by high pressure differential scanning calorimetry and accelerating rate calorimetry

Zhao S.; Pu W.; Varfolomeev M.; Yuan C.; Qin S.; Wang L.; Emelianov D.; Khachatrian A. (2019)

© 2019 Elsevier B.V. Because the thermal release correlates directly with the success of in-situ combustion (ISC) technology, this research performs a series of investigations concerning thermal behavior and kinetics of ...
Thermocatalytic upgrading of heavy oil by iron oxides nanoparticles synthesized by oil-soluble precursors

Akhmadiyarov A.; Rakipov I.; Khachatrian A.; Petrov A.; Sitnov S.; Gerasimov A.; Osin Y.; Varfolomeev M. (2018)

© 2018 Elsevier B.V. Thermocatalytic upgrading of heavy crude oil at reservoir temperature and pressure has been studied. The objective of the present work was to investigate the efficiency of the compounds based on iron ...
Thermochemistry of hydrogen bonding of proton acceptors in the media of linear and cyclic amides. Cooperativity effects in multi-particle complexes of amides

Rakipov I.; Petrov A.; Akhmadiyarov A.; Khachatrian A.; Varfolomeev M.; Solomonov B. (2017)

© 2017 Elsevier B.V. In present work a thermochemistry of hydrogen bond formation of proton acceptors (B) in the medium of linear (N-methylformamide (NMF)) and cyclic (2-pyrrolidone (Py)) amides was studied. The infinite ...
Thermodynamics of hydrogen bonding and van der Waals interactions of organic solutes in solutions of imidazolium based ionic liquids: "Structure-property" relationships

Varfolomeev M.; Khachatrian A.; Akhmadeev B.; Solomonov B. (2016)

© 2016 Elsevier B.V. All rights reserved.In the present work thermochemistry of intermolecular interactions of organic compounds in solutions of imidazolium based ionic liquids (ILs) has been studied using solution calorimetry ...

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Browsing by Author "Khachatrian A."

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