58 Result(s)

Article

Disperse nickel particles as polyfunctional nanosize structures: Chemical nanorobots for the synthesis of carbon nanomaterials

Highly disperse crystals of many metals are active polyfunctional materials that are capable of performing a large number of various functions when interacting with a surrounding medium—in particular, to initi...

R. A. Buyanov, V. N. Parmon in Nanotechnologies in Russia (2015)

Article

Synthesis of nanostructured carbon fibers from chlorohydrocarbons over Bulk Ni-Cr Alloys

The regularities of the formation and morphology of a nanostructured carbon product obtained by the decomposition of 1,2-dichloroethane on alloyed bulk catalysts Ni_{1 − x} Cr _{x ...}

Yu. I. Bauman, A. S. Lysakova, A. V. Rudnev, I. V. Mishakov… in Nanotechnologies in Russia (2014)

Article

Ni-Cu and Ni-Co alloys: Synthesis, structure, and catalytic activity for the decomposition of chlorinated hydrocarbons

Homogeneous Ni _x Cu_{1 − x} and Ni _x Co_{1 − x} (x = 0.90–0.99) alloys have been prepared through the coprecipitatio...

A. V. Rudnev, A. S. Lysakova, P. E. Plyusnin, Yu. I. Bauman… in Inorganic Materials (2014)

Article

Preparation of carbon nanomaterials in the process of organochlorine waste utilization

A method for the catalytic processing of chlorine-substituted hydrocarbons with the production of a fibrous carbon material is considered. This method is suitable for the utilization of organochlorine chemical...

R. A. Buyanov, I. V. Mishakov, A. A. Vedyagin in Solid Fuel Chemistry (2014)

Article

Multifunctional single-crystal structures as nanorobots that govern nanotechnology

Based on the contemporary notion of the nanosized world and on the methodology of its exploration, we consider a particle of finely dispersed nickel as a multifunctional nanosized structure capable of governin...

R. A. Buyanov, V. N. Parmon in Catalysis in Industry (2013)

Article

Carbon erosion of hardware made of iron subgroup metals and their alloys

R. A. Buyanov, I. V. Mishakov, A. A. Vedyagin in Doklady Physical Chemistry (2013)

Article

Processing of organochlorine waste components on bulk metal catalysts

A method for destroying chloroorganic waste components on catalysts, particularly bulk metal nickel (99.99%), nichrome (80% Ni and 20% Cr), and chromel (90% Ni and 10% Cr) is proposed. The process is accompani...

Yu. I. Bauman, I. V. Mishakov, A. A. Vedyagin, S. V. Dmitriev… in Catalysis in Industry (2012)

Article

Mechanism and principles of organization of catalytic radical heterogeneous-homogeneous processes

The mechanisms and regularities of unbranched radical-chain reactions are considered using the example of the pyrolysis of hydrocarbons or dichloroethane involving heterogeneous catalysts. The phenomenological...

N. A. Vasil’eva, R. A. Buyanov in Review Journal of Chemistry (2011)

Article

Catalysts based on filamentous carbon in the hydrogenation of aromatic compounds

In order to extend the area of application of the base catalytic system metal-filamentous carbon, the catalytic properties of Ni-filamentous carbon catalysts have been tested in the hydrogenation of aromatic c...

N. A. Zaitseva, V. V. Goidin, V. V. Molchanov, V. V. Chesnokov… in Kinetics and Catalysis (2011)

Article

Catalytic properties of massive iron-subgroup metals in dichloroethane decomposition into carbon products

The formation of nanocarbon materials on massive nickel, nichrome, and some other alloys via the carbide cycle mechanism is reported using 1,2-dichloroethane decomposition as an example. The role of the physic...

Yu. I. Bauman, I. V. Mishakov, R. A. Buyanov, A. A. Vedyagin… in Kinetics and Catalysis (2011)

Article

Catalyst and technology for production of carbon nanotubes

Modifying the iron-aluminum catalyst with molybdenum oxide affords a marked increase in the yield of carbon nanotubes from 1,3-butadiene diluted with hydrogen. The optimum catalyst composition is 6.5% MoO₃-52% Fe

V. V. Chesnokov, R. A. Buyanov, A. S. Chichkan’ in Kinetics and Catalysis (2010)

Article

Growth of carbon nanotubes from butadiene on a Fe-Mo-Al₂O₃ catalyst

The MoO₃-Fe₂O₃-Al₂O₃ catalysts were prepared from metal nitrates using a coprecipitation method. It was found that the modification of an alumina-iron catalyst with molybdenum oxide resulted in the formation of a...

V. V. Chesnokov, V. I. Zaikovskii, A. S. Chichkan’, R. A. Buyanov in Kinetics and Catalysis (2010)

Article

Investigation of the thermal stability of the chromia-alumina catalysts for the process of the one-stage dehydrogenation of n-butane

The effect of the hugh-temperature (800–1000°C) treatment in air of the Cr₂O₃/Al₂O₃ catalyst, which contained 18Cr₂O₃ + 0.4Na⁺, wt % and was prepared under laboratory conditions with the use of Pural SB1 grade hi...

V. S. Babenko, N. A. Pakhomov, R. A. Buyanov in Catalysis in Industry (2009)

Article

Catalytic synthesis of nanosized feathery carbon structures via the carbide cycle mechanism

The morphology of carbon nanostructures obtained by 1,2-dichloroethane decomposition on the 90% Ni/Al₂O₃ catalyst under different reaction conditions was studied by high-resolution transmission electron microscop...

I. V. Mishakov, R. A. Buyanov, V. I. Zaikovskii, I. A. Strel’tsov… in Kinetics and Catalysis (2008)

Article

Composite mechanism of the catalytic hydrogenation of unsaturated hydrocarbons on hydrided magnesium intermetallides

Two temperature ranges are distinguished in the catalytic hydrogenation of unsaturated hydrocarbons on magnesium intermetallide hydrides. In the lower temperature range, the reaction proceeds by a composite me...

V. V. Molchanov, V. V. Goidin, R. A. Buyanov in Kinetics and Catalysis (2006)

Article

A study of the reaction of CF₂Cl₂ with nanocrystalline MgO on a TEOM microanalyzer

I. V. Mishakov, A. A. Vedyagin, A. F. Bedilo, M. S. Mel’gunov… in Doklady Physical Chemistry (2006)

Article

State of disperse alloy particles catalyzing hydrocarbon decomposition by the carbide cycle mechanism: TEM and EDX studies of the Cu-Ni/Al₂O₃ and Cu-Co/Al₂O₃ catalysts

The state of disperse bimetallic alloy particles in the Cu-Ni/Al₂O₃ and Cu-Co/Al₂O₃ catalysts during their carbonization in butadiene-1,3 is studied by high-resolution electron microscopy and energy-dispersive X-...

V. I. Zaikovskii, V. V. Chesnokov, R. A. Buyanov in Kinetics and Catalysis (2006)

Article

Effect of zinc added to the Co/Al₂O₃ catalyst on the formation of carbon nanofilaments from methane and butadiene-1,3

The dynamics of carbon nanofilament growth from methane and butadiene-1,3 on Co-Zn/Al₂O₃ catalysts have been studied in the temperature range 500–750°C. The rate-limiting step in the growth of nanofilaments from ...

V. V. Chesnokov, R. A. Buyanov, I. V. Mishakov, V. I. Zaikovskii in Kinetics and Catalysis (2006)

Article

New Catalysts of the Metal-Filamentary Carbon Type: From Fundamental Research to Technology

A principally new basic catalytic system is developed. The system is based on dispersed metal particles incorporated into carbon filaments by the catalytic decomposition of hydrocarbons on these particles. The...

V. V. Molchanov, V. V. Chesnokov, R. A. Buyanov, N. A. Zaitsev… in Kinetics and Catalysis (2005)

Article

Current Trends in the Improvement and Development of Catalyst Preparation Methods

The state of the art in the scientific foundations of catalyst preparation is analyzed. New lines and trends in the development of conventional catalyst preparation methods that have appeared in the last 10–15...

N. A. Pakhomov, R. A. Buyanov in Kinetics and Catalysis (2005)