Three-dimensional representations of powder mixedness using a positron emission tracking technique

B. Armstrong, X. Fan, A. Ingram, D. J. Parker, J. P.K. Seville, V. Jeckmohan, T. Page

Research output: Contribution to conferencePaperpeer-review

Abstract

The mixing of powders is a long established practice and is undertaken in most industrial applications where powders are handled. The quality of the mixture has a significant impact on the end product; for example the efficacy of Pharmaceuticals or the strength of a sintered metal component. The measurement of the quality of a mixture is not without debate, and many ways of determining 'mixedness' have been proposed. Tomographic techniques have been used extensively to follow process behaviour in dynamic solid/liquid and solid/gas systems, but the evaluation of batch solid/solid blending systems has been under represented. This paper presents some initial tomographic studies to evaluate mixedness in batch blenders with a view to developing comparisons with established techniques for evaluation of blend quality and determination of end point.

Original languageEnglish
Publication statusPublished - 1 Dec 2006
Event2006 AIChE Spring National Meeting - 5th World Congress on Particle Technology - Orlando, FL, United States
Duration: 23 Apr 200627 Apr 2006

Conference

Conference2006 AIChE Spring National Meeting - 5th World Congress on Particle Technology
CountryUnited States
CityOrlando, FL
Period23/04/0627/04/06

Keywords

  • Positron emission tracking
  • Powder mixing

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