Decolorization of Disperse Dyes Using Immobilized Laccase Enzyme on Nano Zinc Ferrite from Single and Binary Systems
- 1 Farrokh Sepehrkashan Textile Company, Farrahi-Mr carpet GMBH, Tehran, Iran
- 2 Farrokh Sepehrkashan Textile Company, Farrahi-Mr carpet GMBH, Tehran, Iran
- 3 Farrokh Sepehrkashan Textile Company, Farrahi-Mr carpet GMBH, Tehran, Iran
- 4 Farrokh Sepehrkashan Textile Company, Farrahi-Mr carpet GMBH, Tehran, Iran
Abstract
In this paper, immobilized laccase enzyme on nano zinc ferrite was used in order to decolorize disperse dyes from single and binary systems. In this case, disperse dyes such as Disperse red 60 (DR60), Disperse blue 56 (DB56) and Disperse yellow 54 (DY54) were selected as model dyes. Several parameters such as enzyme concentration, pH and dye concentration and their effect on decolorization of dyes from single and binary systems were studied. According to the experimental results, the optimized immobilized laccase enzyme concentration, reaction time and pH for decolorization of DR60, DB56 and DY54 from single and binary systems were 500 mg/L (for DR60 and DY54) and 400 mg/L (for DB56), 20 min and 3, respectively. Moreover, Dye decolorization kinetics followed Michaelis-Menten Model. Finally, the results showed that enzymatic process using immobilized laccase enzyme on nano zinc ferrite was effective method to decolorize disperse dyes from single and binary systems.
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