Experimental detergent drying analysis in a counter-current spray dryer with swirling air flow.

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Author(s): Wawrzyniak, Pawel¹ (AUTHOR) ; Jaskulski, Maciej¹ (AUTHOR); Piatkowski, Marcin¹ (AUTHOR); Sobulska, Mariia¹ (AUTHOR); Zbicinski, Ireneusz¹ (AUTHOR); Egan, Stefan² (AUTHOR)
Source:
Drying Technology. 2020, Vol. 38 Issue 1/2, p108-116. 9p. 3 Diagrams, 3 Charts, 7 Graphs.
Subject Terms:
*SWIRLING flow; *AIR flow; *SLURRY; *SPRAY drying; *SPRAYING; *PILOT plants

Additional Information
- Abstract:
  The paper presents an experimental analysis of the spray drying conditions on the product properties in a pilot plant counter-current spray dryer with swirling air flow. The influence of slurry – atomizing air ratio, drying air flow rate and swirl number on the product properties and the efficiency of the drying process was examined. The increase of the slurry – atomizing air ratio promotes agglomeration, ultimately leading to the development of wet, coarse granules. Through experimentation, the slurry-to-atomizing-air ratio can be optimized to maximize capacity ratio (i.e. acceptable product vs. total spray dried powder) and energy efficiency whilst achieving the desired product quality. [ABSTRACT FROM AUTHOR]