Tubular nanofiltration of highly concentrated C.I. Acid Black 210 dye

A. Y. Zahrim, N. Hilal, C. Tizaoui

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Tubular nanofiltration membrane performance to treat water for reuse was carried out by choosing C.I. Acid Black 210 dye as a model dye. It has been shown that increasing pH causes reduction in irreversible fouling factor (IFF) and the dye removal is also affected by solution pH. The total organic carbon removal for pH 4, pH 7, pH 8 and pH 10 is 97.9, 92.3, 94.5 and 94.6%, respectively. The conductivity removal for pH 4, pH 7, pH 8 and pH 10 is 85.1, 88.3, 87.8 and 90.7% respectively. The increase in the initial dye concentration causes rapid increase in fouling until 100 mg/l. Then the fouling increases gradually as it reaches a maximum IFF around 13%. This study also shows that the colour of permeate changes from colourless to light greenish/yellowish (initial concentration of 2,000 and 4,000 mg/l) as the initial dye concentration increases. The conductivity removal was also reduced as the initial dye concentration increased due to screening of the Donnan effect with the presence of salt.

Original languageEnglish
Pages (from-to)901-906
Number of pages6
JournalWater Science and Technology
Volume67
Issue number4
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Nanofiltration
dye
Dyes
Fouling
fouling
Acids
acid
conductivity
Nanofiltration membranes
Organic carbon
total organic carbon
Screening
Salts
membrane
salt
Color
removal
Water

Keywords

  • Dye
  • Nanofiltration
  • Tubular system
  • Wastewater

ASJC Scopus subject areas

  • Environmental Engineering
  • Water Science and Technology

Cite this

Tubular nanofiltration of highly concentrated C.I. Acid Black 210 dye. / Zahrim, A. Y.; Hilal, N.; Tizaoui, C.

In: Water Science and Technology, Vol. 67, No. 4, 2013, p. 901-906.

Research output: Contribution to journalArticle

Zahrim, A. Y. ; Hilal, N. ; Tizaoui, C. / Tubular nanofiltration of highly concentrated C.I. Acid Black 210 dye. In: Water Science and Technology. 2013 ; Vol. 67, No. 4. pp. 901-906.
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