Factors affecting colour removal from reactive dye bath by ozonation

I. Kabdaşli*, T. Ölmez, O. Tünay

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


A reactive dye bath sample containing a mixture of dyes was ozonated and colour removal was obtained in a relatively short time of 30 min at 605 mgl-1 of ozone utilisation. The factors affecting ozonation were assessed by comparing the results of dye bath and synthetic samples. Results from dye bath and synthetic dye solution ozonation were found to be significantly different. NaCl and Na2CO3 were determined to have a slight effect only on the initial rate of ozonation. However, the effect of the chelating agent in terms of both time and ozone dose was significant and explained the differences between the results of the dye bath and dye solution ozonation.

Original languageEnglish
Pages (from-to)261-270
Number of pages10
JournalWater Science and Technology
Issue number12
Publication statusPublished - 2002


  • Colour removal
  • Dye bath additives
  • Ozonation
  • Reactive dye bath
  • Textile finishing


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