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The influence of powder properties on the imbibation rate

Hellborg, David; Bergenståhl, Björn LU and Trägårdh, Christian LU (2012) In Colloids and Surfaces B: Biointerfaces 93. p.108-115
Abstract
Mixing of powders into liquids is a common unit operation. Mixing can be divided into several steps, imbibation of the powder into the liquid being the first. Under some circumstances, such as when the powder has poor wetting properties, imbibation can be the rate-determining step. The effects of different powder properties on the imbibation rate were evaluated using an experimental imbibation model based on the imbibing process employed in an industrial powder-in-liquid mixer. A multivariate analysis of the results suggests that bulk density and capillary penetration rate, and to some extent cohesivity, play an important role in determining the powder imbibation rate. The results also suggest that the capillary penetration rate is... (More)
Mixing of powders into liquids is a common unit operation. Mixing can be divided into several steps, imbibation of the powder into the liquid being the first. Under some circumstances, such as when the powder has poor wetting properties, imbibation can be the rate-determining step. The effects of different powder properties on the imbibation rate were evaluated using an experimental imbibation model based on the imbibing process employed in an industrial powder-in-liquid mixer. A multivariate analysis of the results suggests that bulk density and capillary penetration rate, and to some extent cohesivity, play an important role in determining the powder imbibation rate. The results also suggest that the capillary penetration rate is increasing on a large particle radius, slow solubilisation of the particles and a low ability of the particles to generate viscosity. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Imbibation, Powder, Liquid Capillary penetration
in
Colloids and Surfaces B: Biointerfaces
volume
93
pages
108 - 115
publisher
Elsevier
external identifiers
  • wos:000302431900015
  • scopus:84857794097
ISSN
1873-4367
DOI
10.1016/j.colsurfb.2011.12.023
language
English
LU publication?
yes
id
a1148ac9-f2a4-4644-bea9-74576d23b7b5 (old id 2299776)
date added to LUP
2012-01-26 14:47:43
date last changed
2017-09-10 04:17:56
@article{a1148ac9-f2a4-4644-bea9-74576d23b7b5,
  abstract     = {Mixing of powders into liquids is a common unit operation. Mixing can be divided into several steps, imbibation of the powder into the liquid being the first. Under some circumstances, such as when the powder has poor wetting properties, imbibation can be the rate-determining step. The effects of different powder properties on the imbibation rate were evaluated using an experimental imbibation model based on the imbibing process employed in an industrial powder-in-liquid mixer. A multivariate analysis of the results suggests that bulk density and capillary penetration rate, and to some extent cohesivity, play an important role in determining the powder imbibation rate. The results also suggest that the capillary penetration rate is increasing on a large particle radius, slow solubilisation of the particles and a low ability of the particles to generate viscosity.},
  author       = {Hellborg, David and Bergenståhl, Björn and Trägårdh, Christian},
  issn         = {1873-4367},
  keyword      = {Imbibation,Powder,Liquid Capillary penetration},
  language     = {eng},
  pages        = {108--115},
  publisher    = {Elsevier},
  series       = {Colloids and Surfaces B: Biointerfaces},
  title        = {The influence of powder properties on the imbibation rate},
  url          = {http://dx.doi.org/10.1016/j.colsurfb.2011.12.023},
  volume       = {93},
  year         = {2012},
}