The absorption of gases in aqueous activated carbon slurries enhanced by adsorbing or catalytic particles

R.D. Holstvoogd, W.P.M. van Swaaij, L.L. van Dierendonck

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Abstract

The enhanced absorption of gases in aqueous activated carbon slurries of fine particles is studied with an instationary absorption model taking into account the finite adsorption capacity of the carbon particles, and with a stationary geometrical model, which describes the absorption into a highly reactive and concentrated slurry. These models are applied to explain literature results on activated carbon slurries(”grazing“ effect) and results obtained on hydroxylamine production in a slurry reactor. With the results of the two presented models it can be understood that even in intensively agitated reactors enhanced absorption is possible.
Original languageEnglish
Pages (from-to)2181-2187
JournalChemical engineering science
Volume43
Issue number8
DOIs
Publication statusPublished - 1988

Keywords

  • Activated carbon slurries
  • Stationary geometrical model
  • Penetration model
  • Finite adsorption capacity
  • Gas absorption enhancement

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