Kinetic models of cell growth, substrate utilization and bio-decolorization of distillery wastewater by Aspergillus fumigatus UB260

Mohammad Pazouki, Ghasem Najafpour, Mohammad Raouf Hosseini

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Bio-decolorization kinetic studies of distillery effluent in a batch culture were conducted using Aspergillus fumigatus. A simple model was proposed using the Logistic Equation for the growth, Leudeking-Piret kinetics for bio-decolorization, and also for substrate utilization. The proposed models appeared to provide a suitable description for each parameter devoted to the growth phase. The biomass yield for 14 g/l substrate was 70.7%. The maximum specific growth rate (μm) of the obtained and fitted data is close to the calculated μm of the present research work (0.03 h-1). It was found that the kinetic model for the bio-decolorization of distillery effluent was growth associated.

Original languageEnglish
Pages (from-to)1369-1376
Number of pages8
JournalAfrican Journal of Biotechnology
Volume7
Issue number9
Publication statusPublished - 2 May 2008
Externally publishedYes

Keywords

  • Bio-decolorization
  • Distillery effluent
  • Kinetic models
  • Leudeking-piret kinetics
  • Logistic equation

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Genetics
  • Agronomy and Crop Science

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