Zobrazeno 1 - 10
of 25
pro vyhledávání: '"A. M. Gyul'maliev"'
Autor:
A. U. Dandaev, N. A. Kubrin, A. M. Gyul’maliev, M. Kh. Kadieva, M. Ya. Visaliev, Kh. M. Kadiev, A. E. Batov, E. E. Magomadov, L. A. Zekel
Publikováno v:
Petroleum Chemistry. 61:1096-1103
The paper investigates the sulfidation of the precursor of a dispersed molybdenum catalyst consisting of 190–500 nm particles in the hydroconversion of crude oil vacuum residue. The experiments were carried out in a flow-through autoclave reactor s
Autor:
A. E. Batov, A. U. Dandaev, L. A. Zekel, Kh. M. Kadiev, E. E. Magomadov, M. Kh. Kadieva, A. M. Gyul’maliev
Publikováno v:
Russian Journal of Applied Chemistry. 94:51-59
The study relates to the problem of selecting a solvent for organic polymers during their chemical processing. Based on the method of Askadsky, simple schemes were proposed for calculating the solubility parameter of small molecules and polymeric mat
Autor:
Kh. M. Kadiev, M. Ya. Visaliev, A. L. Maksimov, A. E. Batov, M. Kh. Kadieva, A. M. Gyul’maliev, A. U. Dandaev, L. A. Zekel
Publikováno v:
Petroleum Chemistry. 59:968-974
Concentrated suspensions of molybdenum, nickel, iron, and tungsten sulfide nanoparticles have been synthesized from inverse emulsions of aqueous solutions of molybdenum, nickel, iron, and tungsten salts in the presence of a sulfiding agent and hydrog
Autor:
N. Zh. Balpanova, A. M. Gyul’maliev, Yu. N. Pankin, D. E. Aitbekova, F. Ma, K. Su, D. A. Kaikenov, G. G. Baikenova, A. S. Borsynbaev, M. I. Baikenov
Publikováno v:
Solid Fuel Chemistry. 53:319-323
Experimental results on the kinetics of hydrogenation of a wide fraction of coal tar (bp 230–300°C) in the presence of a Fe3O4 nanocatalyst are presented. The rate constants, overall rate constants, and activation energies were calculated. It was
Autor:
O. Yu. Poletaeva, Eldar M. Movsumzade, G. Yu. Kolchina, S. N. Guseynova, A. M. Gyul’maliev, A. L. Lapidus
Publikováno v:
Solid Fuel Chemistry. 53:83-89
A quantum-chemical analysis of the solubility of the high-molecular-weight components of heavy oil containing aromatic and paraffin fragments and N, O, and S heteroatoms was carried out. The results of the calculation of the heats of formation ΔН29
Publikováno v:
Chemistry and Technology of Fuels and Oils. 54:712-720
An analysis is presented for thermodynamic aspects of the preparation of synthesis gas through methane conversion and the related synthesis of various classes of hydrocarbons. Methods of chemical thermodynamics were used to analyze the equilibrium co
Publikováno v:
Russian Journal of Applied Chemistry. 91:1382-1391
Factors influencing the dissolution of high-density polyethylene in petroleum tar to obtain a homogenized solution for the subsequent hydrogenation in the presence of a nanosized catalyst synthesized in situ under the hydroconversion conditions were
Autor:
T. A. Yarkova, A. M. Gyul’maliev
Publikováno v:
Solid Fuel Chemistry. 52:73-77
A method was developed for the calculation of the structural and chemical characteristics of organic substances of natural origin and their conversion products based on elemental analysis data and the quantity of oxygen bound to carbon with double bo
Autor:
A. M. Gyul’maliev, Zh. K. Kairbekov, E. Aubakirov, T. A. Yarkova, A. Zh. Kairbekov, Zh. Eshova
Publikováno v:
Chemistry and Technology of Fuels and Oils. 53:45-53
The results of thermodynamic calculations of temperature dependence of the equilibrium composition of the products from gasification of brown coal from the Kiyakty field (Kazakhstan) using feedstock with various compositions are reported. It is shown
Autor:
A. M. Gyul’maliev, T. A. Yarkova
Publikováno v:
Solid Fuel Chemistry. 50:133-139
Data on the introduction of bromine atoms into the structure of humic acids isolated from the peat of Tver oblast and the brown coal of the Moscow Basin were generalized, and a comparative analysis of relevant methods was performed. It was shown that