Zobrazeno 1 - 10
of 101
pro vyhledávání: '"N. E. Gordina"'
Publikováno v:
Тонкие химические технологии, Vol 18, Iss 4, Pp 341-354 (2023)
Objectives. To take into account the change in the number of active sites during the adsorptioncatalytic deformation and deactivation of a catalyst surface by means of a catalytic poison when calculating the turnover frequency (TOF) of a hydrogenatio
Externí odkaz:
https://doaj.org/article/6af4c6cb7112492cba05a28ec52e61e0
Publikováno v:
Protection of Metals and Physical Chemistry of Surfaces. 59:1-6
Autor:
K. A. Nikitin, D. V. Smirnov, D. A. Prozorov, A. V. Afineevskii, A. Yu. Meledin, T. Yu. Osadchaya, N. E. Gordina
Publikováno v:
Glass and Ceramics. 79:422-426
Autor:
E. S. Severgina, R. N. Rumyantsev, A. E. Kolobkova, V. Yu. Prokof’ev, E. V. Tsvetova, E. E. Afanas’eva, N. E. Gordina, T. N. Borisova
Publikováno v:
Petroleum Chemistry. 61:292-298
Zeolite membranes were synthesized using metakaolin, sodium hydroxide, and alumina with 6Al2Si2O7 : 12NaOH : 2Al2O3 molar ratio as raw ingredients. For this purpose, a combined approach was employed which involved ultrasonic processing of the initial
Autor:
N. E. Gordina, Anastasia E. Kolobkova, Valery Yu. Prokof’ev, Elena V. Tsvetova, Oleg N. Zakharov
Publikováno v:
IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA. 63:44-49
The paper gives a characteristic of LTA and SOD zeolite pellets, which were synthesized using preliminary ultrasonic processing. By X-ray diffraction and IR spectroscopy methods, it was established that the investigated samples contained about 100% o
Autor:
T. N. Borisova, V. V. Voinova, N. V. Shamanaeva, N. E. Gordina, Ekaterina M. Konstantinova, V. Yu. Prokof’ev
Publikováno v:
Glass and Ceramics. 77:9-14
The behavior of the mixtures 6Al2Si2O7: 12NaOH and 6Al2Si2O7: 12NaOH : 2Al2O3 during heat-treatment was studied by means of x-ray diffraction and simultaneous thermal analysis. It was shown that hydrated zeolite LTA forms after ultrasonic treatment a
Autor:
N. E. Gordina, O. N. Zakharov, T. N. Borisova, E. V. Tsvetova, V. Yu. Prokof’ev, A. E. Kolobkova
Publikováno v:
Petroleum Chemistry. 60:550-556
Granular LTA and SOD zeolites have been synthesized, characterized, and further used to study the kinetics of water adsorption and desorption. It has been shown that LTA zeolite in a static mode provides adsorption of water vapor at the level of ~30
Publikováno v:
Microporous and Mesoporous Materials. 280:116-123
The moulded binder-free pellets of SOD (Sodalite) and LTA (Linde Type A) zeolites have been prepared from mixtures based on kaolin and metakaolin, respectively, which have been confirmed by X-ray diffraction and IR spectroscopy. Using the SEM and XRD
Autor:
Valery Yu. Prokof’ev, Ekaterina M. Konstantinova, Darya S. Cherednikova, N. E. Gordina, Aleksandra P. Khramtsova
Publikováno v:
IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA. 62:65-71
A study of the influence of ultrasonic treatment on the kinetics of solid-phase interaction of metakaolin with the sodium hydroxide was performed. Reflections corresponding to the zeolite LTA were observed on X-ray patterns according to phase analysi
Publikováno v:
Russian Journal of General Chemistry. 88:1981-1989
The processes of LTA zeolite synthesis from mixtures of metakaolin and solid sodium hydroxide with an overstoichiometric quantity of alumina (molar composition of the mixture Al2O3·2SiO2: NaOH: Al2O3 = 6: 12: 2) were examined in relation to the trea