Refractories and Industrial Ceramics

, Volume 57, Issue 1, pp 85–91 | Cite as

Effect of Solid Reagent Dispersion in Heterogeneous Chemical Reactions

  • S. P. Bogdanov
  • B. A. Lavrov
  • Yu. P. Udalov
  • A. M. Germanskii

A new type of heterogeneous process is considered, i.e., a solid – liquid type self-accelerating heterogeneous reaction. For these processes there is a typical development stage of a progressive increase in reaction surface, caused by solid phase dispersion. Steel corrosion in hydrochloric acid, reaction of boron nitride with molten alkali, molten silicon phosphate with carbon reducing agent, hematite with molten silicate, and molten iron with hematite ceramic, are studied. The effect of solid phase dispersion as an independent stage of chemical reaction is confirmed by experiment. Possible process mechanisms are suggested.


heterogeneous reaction dispersion reaction mechanism reaction kinetics 


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • S. P. Bogdanov
    • 1
  • B. A. Lavrov
    • 1
  • Yu. P. Udalov
    • 1
  • A. M. Germanskii
    • 1
  1. 1.FGBOU VPO St. Petersburg State Technological University (Technical University)St. PetersburgRussia

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