Biological decolorization of C.I. basic green 4 solution by chlorella sp.: Effect of operational parameters

A. R. Khataee; M. Pourhassan; M. Ayazloo

doi:10.3724/SP.J.1145.2009.00110

Biological decolorization of C.I. basic green 4 solution by chlorella sp. Effect of operational parameters

A. R. Khataee, M. Pourhassan, M. Ayazloo

University of Tabriz

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

In recent years, the ability of microorganisms to decolorize textile wastewater has received great attention due to the environmental persistence and toxicity of these pollutants. In this paper biological decolorization of triphenylmethane dye, c.i. Basic green 4 (bg 4), by chlorella species was investigated. The effect of operational parameters (temperature, ph, initial dye concentration and algal concentration) on decolorization efficiency was examined. Results indicated that the desired initial ph was 9. The stability and efficiency of the algae in long-term repetitive operations were also examined. Michaelis-menten kinetics was employed to describe the apparent correlation between the decolorization rate and dye concentration. The optimal kinetic parameters, v_max (specific decolorization rate) and k_m (maximum specific decolorization rate) were 4.6 mg dye g cell^-1 h^-1 and 151.0 mg l^-1, respectively.

Original language	English
Pages (from-to)	110-114
Number of pages	5
Journal	Chinese Journal of Applied and Environmental Biology
Volume	15
Issue number	1
DOIs	https://doi.org/10.3724/SP.J.1145.2009.00110
Publication status	Published - 25 Feb 2009
Externally published	Yes

Keywords

Biological treatment
C.I. Basic Green 4
Chlorella
Decolorization
Microalgae
Triphenylmethane

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.3724/SP.J.1145.2009.00110

Cite this

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title = "Biological decolorization of C.I. basic green 4 solution by chlorella sp.: Effect of operational parameters",

abstract = "In recent years, the ability of microorganisms to decolorize textile wastewater has received great attention due to the environmental persistence and toxicity of these pollutants. In this paper biological decolorization of triphenylmethane dye, c.i. Basic green 4 (bg 4), by chlorella species was investigated. The effect of operational parameters (temperature, ph, initial dye concentration and algal concentration) on decolorization efficiency was examined. Results indicated that the desired initial ph was 9. The stability and efficiency of the algae in long-term repetitive operations were also examined. Michaelis-menten kinetics was employed to describe the apparent correlation between the decolorization rate and dye concentration. The optimal kinetic parameters, vmax (specific decolorization rate) and km (maximum specific decolorization rate) were 4.6 mg dye g cell-1 h-1 and 151.0 mg l-1, respectively.",

keywords = "Biological treatment, C.I. Basic Green 4, Chlorella, Decolorization, Microalgae, Triphenylmethane",

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AU - Pourhassan, M.

AU - Ayazloo, M.

PY - 2009/2/25

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AB - In recent years, the ability of microorganisms to decolorize textile wastewater has received great attention due to the environmental persistence and toxicity of these pollutants. In this paper biological decolorization of triphenylmethane dye, c.i. Basic green 4 (bg 4), by chlorella species was investigated. The effect of operational parameters (temperature, ph, initial dye concentration and algal concentration) on decolorization efficiency was examined. Results indicated that the desired initial ph was 9. The stability and efficiency of the algae in long-term repetitive operations were also examined. Michaelis-menten kinetics was employed to describe the apparent correlation between the decolorization rate and dye concentration. The optimal kinetic parameters, vmax (specific decolorization rate) and km (maximum specific decolorization rate) were 4.6 mg dye g cell-1 h-1 and 151.0 mg l-1, respectively.

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