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Investigation of the separation of dissimilar particles in a fluidized bed

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Chemistry and Technology of Fuels and Oils Aims and scope

Summary

  1. 1.

    It has been shown that there are five zones in a model reactor having a fluidized bed and a separating heat-transfer agent; these zones differ in composition, structure of the fluidized bed, and the mechanism of the processes occurring in them.

  2. 2.

    The concentration variations in the model studied depend on the filtration rate and the height of the mobile heat-transfer agent layer. These relationships are different for different heat-transfer agent fluidization numbers.

  3. 3.

    The separation efficiency is determined to a considerable extent by the degree of removal (blow out) of catalyst particles from the heat-transfer agent layer by the gas flow.

  4. 4.

    A more complete separation of the catalyst (less than 0.001%) can be obtained by using the blow-off zone.

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Literature cited

  1. Ya. R. Katsobashvili and A. R. Brun-Tsekhovoi, Transactions of the Institute of Petroleum [in Russian], Vol. 12, Izd. AN SSSR (1958).

  2. W. K. Lewis, US Patent 3,104,155 (1963).

  3. A. R. Brun-Tsekhovoi, Ya. R. Katsobashvili. and A. N. Evreinov, Khim. i Tekhnol. Topliv i Masel, No. 8 (1964).

  4. A. N. Skoblo and V. N. Petrov, First All-Union Conference on Heterogeneous Processes on a Solid Phase in a Fluidized Bed [in Russian], State Scientific and Technical Committee of the USSR (GNTK) (1957).

  5. V. N. Petrov, Candidate's Dissertation [in Russian], I. M. Gubkina Institute of the Petroleum and Gas Industries (1965).

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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 1, pp. 13–17, January, 1970.

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Khotomlyanskii, L.N., Brun-Tsekhovoi, A.R., Katsobashvili, Y.R. et al. Investigation of the separation of dissimilar particles in a fluidized bed. Chem Technol Fuels Oils 6, 15–19 (1970). https://doi.org/10.1007/BF00729730

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  • DOI: https://doi.org/10.1007/BF00729730

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