ORIGINAL RESEARCH
Lignin Degrading System of Phanerochaete chrysosporium and its Exploitation for Degradation of Synthetic Dyes Wastewater
Shumaila Kiran 1  
,  
Tayyaba Huma 2  
,  
Fatima Jalal 3  
,  
Tahir Farooq 1  
,  
Arruje Hameed 4  
,  
Tahsin Gulzar 1  
,  
Akbar Bashir 1  
,  
Muniba Rahmat 1  
,  
Rubina Rahmat 5  
,  
 
 
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1
Department of Applied Chemistry, Government College University Faisalabad, Pakistan
2
Department of Biotechnology and Bioinformatics, Government College University Faisalabad, Pakistan
3
Department of Zoology, Government College University Faisalabad, Pakistan
4
Department of Biochemistry, Government College University Faisalabad, Pakistan
5
Department of Physics, University of Punjab, Lahore, Pakistan
6
Department of Public Administration, Government College University Faisalabad, Pakistan
Online publish date: 2018-12-28
Submission date: 2018-02-06
Final revision date: 2018-03-25
Acceptance date: 2018-03-27
 
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ABSTRACT:
Azo dyes are the main group of dyes used in different industrial applications. These dyes are highly toxic for aquatic life, so their removal is of utmost importance before they can be disposed of in a main water body. The present study focused on degrading/mineralizing the synthetic reactive dye wastewater. Initial experiments were done with four indigenous white rot fungi. P. chrysosporium (PC) showed more potential toward degradation of synthetic dye wastewater than other three fungal strains, so it was selected for further optimization of different fermentation parameters. Maximum decolorization (84.8%) of reactive dye wastewater was obtained at pH 5, inoculum size 4 mL, and 30ºC. After optimizing experimental parameters, the effects of different nutritional factors like carbon and nitrogen sources were also studied. Decolorization of synthetic dye wastewater was increased from 84.8 to 89.2%, when rice bran was used as an additional carbon source. However, no increase in decolorization of synthetic dye wastewater was observed in the presence of nitrogen supplements. The screened fungal strain decolorized the wastewater up to 90%. The effect of different nutritional factors enhanced the degradation capability of the fungal strain under study. UV-visible and FTIR analyses confirmed the degradation of synthetic dye wastewater into simpler, non-toxic products.
CORRESPONDING AUTHOR:
Shumaila Kiran   
Government College University, Faisalabad 38000, Pakistan, Dept of Applied Chemistry, Government College University, Faisalabad 38000, Pakistan, 38000 Faislabad, Pakistan
eISSN:2083-5906
ISSN:1230-1485