Spray drying: An overview on wall deposition, process and modeling

Samaneh Keshani, Wan Ramli Wan Daud, M. M. Nourouzi, Farideh Namvar, Mostafa Ghasemi

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

The spray drying process is considered a conventional method to convert liquids to powders with some but at an acceptable level of degradation and oxidation of volatile compounds. Spray drying is based on the preparation, homogenization, atomization, dispersion and subsequently dehydration of the solution. Wall deposition is a key processing problem in the spray dryer particles that indirectly affects the quality and quantity of the product. The degree of wall deposition is affected by several factors including operating parameters, type and size of spray dryer and the spray dryer wall properties. The development of wall depositions in the spray dryer deteriorates the yield of the products and hence increases the costs of manufacturing and maintenance. And constructive models are very resourceful in understanding the mechanism of wall deposition which will result in direct economic benefits to the food industry. The aim of this review is to give a physical and chemical description of the wall deposition mechanism and introduce the classified models to simulate and visualize this behavior in spray dryers.

Original languageEnglish
Pages (from-to)152-162
Number of pages11
JournalJournal of Food Engineering
Volume146
DOIs
Publication statusPublished - 2015

Fingerprint

spray drying
Food Industry
dryers
Dehydration
Powders
Maintenance
Economics
Costs and Cost Analysis
spray deposition
atomization
homogenization
volatile compounds
food industry
powders
manufacturing
oxidation
economics
liquids
degradation

Keywords

  • Computational fluid dynamics (CFD)
  • Drying
  • Milk
  • Particles Droplets
  • Protein
  • Spray drying-additive

ASJC Scopus subject areas

  • Food Science

Cite this

Spray drying : An overview on wall deposition, process and modeling. / Keshani, Samaneh; Wan Daud, Wan Ramli; Nourouzi, M. M.; Namvar, Farideh; Ghasemi, Mostafa.

In: Journal of Food Engineering, Vol. 146, 2015, p. 152-162.

Research output: Contribution to journalArticle

Keshani, Samaneh ; Wan Daud, Wan Ramli ; Nourouzi, M. M. ; Namvar, Farideh ; Ghasemi, Mostafa. / Spray drying : An overview on wall deposition, process and modeling. In: Journal of Food Engineering. 2015 ; Vol. 146. pp. 152-162.
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