Abstract
Dry dispersion of fine particles by a mixer-type disperser has been studied experimentally and theoretically with particular attention paid to the size distribution of discharged aerosol particles and the discharged air flow rate. A stable operation range for the disperser has been searched for. Through experiments at various impeller rotational speeds and powder feed rates, a semi-empirical equation showing the effectiveness of the disperser was obtained. Dispersers of different sizes revealed the effects of size on the discharged air flow rate and the stable operation range. The discharged air flow rate is directly proportional to the impeller rotational speed for all sizes tested and is well correlated by a semi-empirical equation. The stable operation range was also represented by an equation as a function of the disperser dimensions.
| Original language | English |
|---|---|
| Pages (from-to) | 29-37 |
| Number of pages | 9 |
| Journal | Colloids and Surfaces A: Physicochemical and Engineering Aspects |
| Volume | 109 |
| DOIs | |
| Publication status | Published - Apr 20 1996 |
| Externally published | Yes |
Keywords
- aerosol
- agglomerated particles
- dispersability
- dry dispersion
- fine particles
ASJC Scopus subject areas
- Surfaces and Interfaces
- Physical and Theoretical Chemistry
- Colloid and Surface Chemistry