Penetration model for gas absorption with reaction in a slurry containing fine insoluble particles

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Holsvoogd, R.D. and Ptasinski, K.J. and Swaaij, W.P.M. van (1986) Penetration model for gas absorption with reaction in a slurry containing fine insoluble particles. Chemical Engineering Science, 41 (4). pp. 867-873. ISSN 0009-2509

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Abstract:A pseudo-homogeneous penetration model describing the mass transfer of a gas to a slurry containing non-soluble reacting or adsorbing particles is presented. This numerical model takes into account the finite reaction/adsorption capacity of the particles. The consequences of this finite capacity on the enhanced absorption are demonstrated for the absorption of hydrogen in metal hydride slurries. Experimental enhancement factors for this system are evaluated and compared to the model predictions. A critical Hatta number has been derived above which saturation of the solid occurs resulting in decreased enhancement factors.

The mass transfer of a gas into a slurry with adsorbing particles is a similar problem. For the regime of mass transfer limitation tot the particles with a linear adsorption isotherm the enhanced adsorption is discussed.
Item Type:Article
Copyright:© 1986 Elsevier Science
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/69747
Official URL:http://dx.doi.org/10.1016/0009-2509(86)87169-X
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