Zobrazeno 1 - 10
of 15
pro vyhledávání: '"V. M. Zakoshanskii"'
Publikováno v:
Russian Journal of Applied Chemistry. 74:111-113
The mechanism of acetol formation in two-stage process of sulfuric acid cleavage of cumyl hydroperoxide was studied and confirmed by comparison with related reaction systems.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::555bbcc937db16a50fb1eb198a6ec363
https://doi.org/10.1023/a:1012712420588
https://doi.org/10.1023/a:1012712420588
Acidity function scale for H2SO4 solutions in phenol-acetone solvents with low water content at 25�C
Publikováno v:
Bulletin of the Russian Academy of Sciences Division of Chemical Science. 41:55-59
The indicator method was employed to measure the acidity function H0S of H2SO4 solutions in solvents consisting of an equimolar mixture of phenol and acetone with 0.8% water (from 3.6·10−4 to 2.6·10−2 M H2SO4) and 2.5% water (from 4.3·10−4 t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a479027aa4a45549ae9c299f6cf75de5
https://doi.org/10.1007/bf00863912
https://doi.org/10.1007/bf00863912
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:887-892
Complexation in the acetone-phenol system and the effect of water on the ionic-molecular interaction in the acetone-phenol-H2SO4 system at 30‡C were investigated by MFTIR (multifrustrated total internal reflection) IR spectroscopy. Acetone and phen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba2ce4e8324feef5cdfd0443c68600f8
https://doi.org/10.1007/bf00961344
https://doi.org/10.1007/bf00961344
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 39:244-247
The dependence of the optical density on the composition of the solution in the range of 0–60%, 1,4-dioxane in 10% aqueous solution of H2SO4 was obtained by FMIR IR spectroscopy. It was shown that in the solutions studied, the proton is in the form
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47c5bf8660e66888ddbeb0235ad2d3d5
https://doi.org/10.1007/bf00960645
https://doi.org/10.1007/bf00960645
Publikováno v:
Russian Journal of General Chemistry. 79:1588-1588
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::000a2ae4bd617b2aecbc0326626da006
https://doi.org/10.1134/s1070363209070287
https://doi.org/10.1134/s1070363209070287
Autor:
V. M. Zakoshanskii
Publikováno v:
Russian Journal of General Chemistry. 79:1288-1288
This paper presents an analysis of available alternative phenol production technologies that bypass acetone. It is demonstrated that development of these technologies, from both the scientific and engineering points of view, has not achieved a level
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1788c1389889162fcc4dcc716b1ca9ce
https://doi.org/10.1134/s1070363209060450
https://doi.org/10.1134/s1070363209060450
Autor:
V. M. Zakoshanskii
Publikováno v:
Russian Journal of General Chemistry. 79:1329-1329
A review of the properties of reaction medium at each stage of the process of cumene based phenol/acetone industrial synthesis is presented. Analysis of the discovered properties, in conjunction with the consideration of proceeding chemical reactions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5119338a85a357a5c279c12fb2f8d5a8
https://doi.org/10.1134/s1070363209060474
https://doi.org/10.1134/s1070363209060474
Autor:
V. M. Zakoshanskii
Publikováno v:
Russian Journal of General Chemistry. 79:1345-1345
This paper discusses basic distinctions and challenges of available commercial process technologies for fractionation of phenol and acetone products, and for removal of contaminants therefrom. Theoretical improbability of complete removal of impuriti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34db1a4bef334a3e9d9a0e91a6863845
https://doi.org/10.1134/s1070363209060486
https://doi.org/10.1134/s1070363209060486
Autor:
A. V. Budarev, V. M. Zakoshanskii
Publikováno v:
Russian Journal of General Chemistry. 79:1311-1311
Analysis based on in-depth experimental research on the cumene oxidation process is presented. It is demonstrated, in particular, that the process occurs by two independent paths: by oxygen in a gas phase which is present at the liquid-gas interface;
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::058177f268b832afbc2922f9771f1489
https://doi.org/10.1134/s1070363209060462
https://doi.org/10.1134/s1070363209060462
Autor:
V. M. Zakoshanskii, Yu. N. Koshelev
Publikováno v:
Russian Journal of General Chemistry. 79:1355-1355
This paper discusses alternative process technologies for hydrogenation of α-methylstyrene (AMS) and/or recovery of AMS as a desired product. High selectivity and reliability of existing commercial AMS hydrogenation technologies is demonstrated. A l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75ce1eb40a20f1439ec6c5b5362c8615
https://doi.org/10.1134/s1070363209060498
https://doi.org/10.1134/s1070363209060498