Theoretical and Experimental Investigations of Substantiating Technologies for Carbon Materials Production from Natural Gas

Authors

  • L.B. Director Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 125412, Russia
  • K.A. Homkin Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 125412, Russia
  • I.L. Maikov Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 125412, Russia
  • Yu.L. Shekhter Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 125412, Russia
  • G.F. Sokol Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 125412, Russia
  • V.M. Zaichenko Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 125412, Russia

DOI:

https://doi.org/10.18321/ectj587

Abstract

The results of theoretical and experimental investigations on methane pyrolysis with infiltration through a heated porous matrix generated from various carbon materials are presented. The features of mathematical models, kinetic relationships of process are discussed. The mathematical model of process shares on external problem (a flow of particles in an external stream) and internal problem (reaction in particle porous). The heat and mass transfer for the average (over the reactor cross section) parameters, ignoring the heat transfer in gas by thermal conductivity, is described by unsteady-state one-dimensional differential equations in partial derivatives. For the mathematical description of process kinetics of methane decomposition the approach is used by which the soot formation is treated as a chain radical process. The porous media is represented by a system of large enough particles. In its turn, every macroparticle consists of finer particles, which are also composed of microparticles, etc. Calculating programs were used for modeling and efficiency analysis of technological installations for technical carbon production in a regenerative heater, filled by a ceramic nozzle and for similar purposes concerning carbon (oven soot) in autothermal torch process of partial gas oxidation by air at a surplus factor of oxidizer in relation to stoichiometry 0.4-0.5 at pressure close to atmospheric on Sosnogorsk Gas-Processing Plant. Experiment descriptions and techniques for experimental realization are given. These results are used as fundamentals for new technologies considering pyrocarbon materials production in the continuous operation reactor.

References

(1). Director L. B., Zaichenko V. M., Maikov I. L., Sokol G. F., Shekhter Yu. L. and Shpil’rain E. E., Investigation of Pyrolysis of Methane under Conditions of Filtering through a Heated Porous Medium, Teplofizika Vysokih Temperatur, 2001, vol. 39, No. 1, p. 89 (High Temp. (Engl. transl.), vol. 39, No. 1, p. 85).

(2). Director L. B., Maikov I.L. and Zaichenko V.M., A Theoretical Study of Heterogeneous Methane Reaction Processes. Twelfth International Heat Transfer Conference, Grenoble, France, 2002, pp.929-934.

(3). Director L. B., Zaichenko V. M., Maikov I. L., Sokol G. F., Shekhter Yu. L., Issledovanie Teploi Massoobmennyh Protsessov pri Gazopiroliticheskoy Pererabotke Drevesnyh Othodov. (Investigations
of Heat and Mass Transfer at Pyrolitical Processing of Wood Waste). Trudy Nacionalnoy Konferencii po Teplo-Massoobmenu (National Heat and Mass Transfer Conference), Moscow, 2002, Izdatelstvo MEI, 2002,
pp.209-212.

(4). Director L. B., Maikov, I. L. Zaichenko V. M., Kudryavtsev M. A., Sokol G. F. and Shekhter Yu. L., Modelirovanie Protsessov Termicheskogo Razlozheniya Prirodnogo Gaza (Simulation of the Processes of Thermal Decomposition of Natural Gas), Preprint no. 2-452, Institute for High Temperatures Scientific Association, Russian Academy of Sciences, Moscow, 2001.

(5). Heyfets L.I., Neymark A.V., Mnogofaznye Protsessy v Poristyh Sredah (Multiphase Processes in Porous Mediums). Himiya, Moscow, 1982.

(6). Geer C.W., DIFSUB for Solution of Ordinary Differential Equation // Communication ACM, vol.14, No. 3., 1971.

(7). Director L. B., Zaichenko V. M., Maikov, I. L., Zavisimost Skorosti Geterogennyh Reaktsiy ot Mikrostruktury Poristoy Sredy (Relation of Speed of Heterogeneous Reactings to a Microstructure of a Porous Medium). Fizika Goreniya I Vzryva, Vol.38, No. 6, 2002, pp.1-5.

(8). Director L. B., Zaichenko V. M., Kudryavtsev M. A., Maikov, I. L., Rogov B.T., Sobolev A.N., Chernomyrdina N.A., Energeticheskaya Optimizatsiya Proizvodstva Termicheskogo Tehugleroda na Sosnogorskom Gazopererabatyvayushem Zavode (Power Optimization of Thermal Black Carbon Production on Sosnogorsk gasprocessing plant. Gazovaya Promyshlennost, No.2, 2001, pp.49-50.

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Published

2003-01-15

How to Cite

Director, L., Homkin, K., Maikov, I., Shekhter, Y., Sokol, G., & Zaichenko, V. (2003). Theoretical and Experimental Investigations of Substantiating Technologies for Carbon Materials Production from Natural Gas. Eurasian Chemico-Technological Journal, 5(1), 29–37. https://doi.org/10.18321/ectj587

Issue

Vol. 5 No. 1 (2003)

Section

Articles

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