Volume 5, Number 2 (13 2012)                   ijhe 2012, 5(2): 179-188 | Back to browse issues page


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Naddafi K, Mohammadian Fazli M, Mesdaghinia A R, Nasseri S, Mazaheri Assadi M, Yunesian M. Decolorization of Remazol Briliant Blue Royal by Ganoderma Sp. Immobilized in Sodium Alginate. ijhe. 2012; 5 (2) :179-188
URL: http://ijhe.tums.ac.ir/article-1-25-en.html

1- , mhrnmoh@zums.ac.ir
Abstract:   (33440 Views)
MicrosoftInternetExplorer4 Background and Objectives: Environmental pollution and health risks of dyestuffs extensively are caused by many industries. Nonbiodegradability of dyes is important so that different methods are studied for removing them. The use of white rot fungi is promising technique in this regard. Therefore, objective of this work is to investigate Rimazol Brilliant Blue Royal decolorization by immobilized Ganoderma sp. in sodium alginate from aqueous solution.
Material and Methods: This is an experimental study. First, the nutritional, environmental, and operational conditions of decolorization process were optimized. Then, efficiency of immobilized fungal cells was investigated. Experimental designs were provided using fractional factorial methods and quadratic model was fitted on decolorization data by MiniTab software.
Results: Our findings showed that type and concentration of carbon source, temperature, and pH were the most important factors affecting decolorization and statistically significant. Optimal conditions to 95.3 percent color removal were: glycerol as carbon source at 19.14 g/L temperature, 27 oC and initial pH, 6.26. Moreover, decolorization efficiency increased from 75 percent up to 95 percent by improving process and fungal immobilization.
Conclusion: Ganoderma fungus has suitable potential to decolorization. Besides, optimization and cell immobilization can improve its capability. Application of experimental design to research methodology is important because of decreasing in experiments and saving resources. It is suggested to use these potentials in environmental pollution control.

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Type of Study: Research | Subject: General
Received: 2011/11/15 | Accepted: 2012/01/30 | Published: 2013/09/30

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