Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Elena V. Mazurova"'
Autor:
Maxim N. Likhatski, Roman V. Borisov, Olga Yu. Fetisova, Anastasiya D. Ivaneeva, Denis V. Karpov, Yevgeny V. Tomashevich, Anton A. Karacharov, Sergey A. Vorobyev, Elena V. Mazurova, Yuri L. Mikhlin
Publikováno v:
ACS Omega, Vol 8, Iss 39, Pp 36109-36117 (2023)
Externí odkaz:
https://doaj.org/article/0b111d77a9be4b17baaa653808b038ce
Autor:
Boris N. Kuznetsov, Anna I. Chudina, Aleksandr S. Kazachenko, Olga Yu. Fetisova, Valentina S. Borovkova, Sergei A. Vorobyev, Anton A. Karacharov, Elena V. Gnidan, Elena V. Mazurova, Andrey M. Skripnikov, Oxana P. Taran
Publikováno v:
Polymers, Vol 15, Iss 12, p 2671 (2023)
A new method for extractive-catalytic fractionation of aspen wood to produce microcrystalline (MCC), microfibrillated (MFC), nanofibrilllated (NFC) celluloses, xylan, and ethanollignin is suggested in order to utilize all of the main components of wo
Externí odkaz:
https://doaj.org/article/8a7b63862ff14ad8b1da1fbd7a63bbfd
Autor:
Yuriy N. Malyar, Irina G. Sudakova, Valentina S. Borovkova, Anna I. Chudina, Elena V. Mazurova, Sergey A. Vorobyev, Olga Yu. Fetisova, Eugene V. Elsufiev, Ivan P. Ivanov
Publikováno v:
Polymers, Vol 15, Iss 4, p 904 (2023)
A new approach is being considered for obtaining microfibrillated cellulose with a low degree of polymerization by sulfuric acid hydrolysis with simultaneous ultrasonic treatment under mild conditions (temperature 25 °C, 80% power control). Samples
Externí odkaz:
https://doaj.org/article/a82811eb4a9c47799aaa4acd92370a21
Autor:
Valery E. Tarabanko, Dmitrii O. Vigul, Konstantin L. Kaygorodov, Yulia V. Chelbina, Elena V. Mazurova
Publikováno v:
Catalysts, Vol 12, Iss 9, p 1003 (2022)
This research deals with a process of catalytic oxidation of flax shives to vanillin and pulp. Catalytic oxidation of flax shives with molecular oxygen allows two main products to be obtained—vanillin with a yield of up to 12 wt.% of lignin, and pu
Externí odkaz:
https://doaj.org/article/c4ecb7716b924bfa8c00734ccd09d747
Autor:
Taran, Boris N. Kuznetsov, Anna I. Chudina, Aleksandr S. Kazachenko, Olga Yu. Fetisova, Valentina S. Borovkova, Sergei A. Vorobyev, Anton A. Karacharov, Elena V. Gnidan, Elena V. Mazurova, Andrey M. Skripnikov, Oxana P.
Publikováno v:
Polymers; Volume 15; Issue 12; Pages: 2671
A new method for extractive-catalytic fractionation of aspen wood to produce microcrystalline (MCC), microfibrillated (MFC), nanofibrilllated (NFC) celluloses, xylan, and ethanollignin is suggested in order to utilize all of the main components of wo
Publikováno v:
Russian Chemical Bulletin. 70:1462-1470
The effect of heat treatment conditions (temperature and time of isothermal holding, temperature of the start of cooling and cooling conditions) of a melt containing 50 mol.% Bi2O3 and 50 mol.% SiO2 on the phase composition and macro- and microstruct
Publikováno v:
chemistry of plant raw material. :109-122
For the first time, tannin-lignin-formaldehyde and tannin-lignin-furfuryl organic gels were obtained on the basis of larch bark tannins and hydrolysis lignin by sol-gel condensation with formaldehyde and furfuryl alcohol. Their physico-chemical prope
Autor:
Boris N. Kuznetsov, Anton Karacharov, Andrey M. Skripnikov, Olga V. Yatsenkova, Sergey Vorobyev, Elena V. Mazurova
Publikováno v:
chemistry of plant raw material. :303-314
The new method of producing of microfibrillated cellulose (MFC) from spruce wood was described. This method includes the stages of cellulose obtaining by peroxide delignification of wood in the medium “acetic acid-water-H2SO4 catalyst” and cellul
Publikováno v:
Energy & Fuels. 34:3743-3754
The structure–composition relationship of blocklike ferrospheres (FSs) isolated from fly ash from the coal and lignite combustion has been studied systematically by scanning electron microscopy and...
Publikováno v:
Russian Journal of Applied Chemistry. 92:1422-1431
Method is suggested for obtaining biochar materials by treatment of a finely dispersed (≤0.1 mm) bark of aspen and(or) larch with a 40% formaldehyde solution and subsequent thermal activation of the activated bark. It was found that keeping the com