Experimental analysis of spray drying in a process intensified counter flow dryer

Umair Jamil Ur Rahman*, Artur K. Pozarlik, Gerrit Brem

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)
961 Downloads (Pure)

Abstract

This research presents an experimental analysis of a counter flow spray drying process using water and skim milk as a feed. The study was performed by examining the droplet size distribution of sprays and the temperature profiles in the dryer. The influence of air inlet temperature, air mass flow rate, feed flow rate, and droplet size on air temperatures in the dryer was evaluated. The evaporation and deposition zones were found to be highly dependent on the droplet size. The obtained results show that it is possible to achieve efficient contact between hot air and spray in a small volume using a counter-current mechanism.

Original languageEnglish
Pages (from-to)3128-3148
JournalDrying Technology
Volume40
Issue number15
Early online date8 Dec 2021
DOIs
Publication statusPublished - 2022

Keywords

  • Counter-current spray drying
  • droplet size distribution
  • process intensification
  • skim milk
  • UT-Hybrid-D

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