Volume 5, Issue 2 (13 2012)
ijhe 2012, 5(2): 179-188 |
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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
URL: http://ijhe.tums.ac.ir/article-1-25-en.html
Kazem Naddafi 
, Mehran Mohammadian Fazli * 1, Ali Reza Mesdaghinia , Simin Nasseri , Mahnaz Mazaheri Assadi , Masoud Yunesian
, Mehran Mohammadian Fazli * 1, Ali Reza Mesdaghinia , Simin Nasseri , Mahnaz Mazaheri Assadi , Masoud Yunesian
1- , mhrnmoh@zums.ac.ir
Abstract: (38361 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.
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.
Keywords: Ganoderma sp., Cell immobilization, Effluent decolorization, Experimental design, Fractional factorial
Type of Study: Research |
Subject:
General
Received: 2011/11/15 | Accepted: 2012/01/30 | Published: 2013/09/30
Received: 2011/11/15 | Accepted: 2012/01/30 | Published: 2013/09/30
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