Decolorization of Symmetrical and Unsymmetrical 3-Nitroformazans using Coriolus Versicolor


  • Manavjot Kaur Department of Biotechnology, SUSC ET, Tangori, Mohali
  • Sanjeev Kumar Department of Chemistry, Multani Mal Modi College, Patiala
  • Dr. Rajeev Sharma Post Graduate Department of Chemistry, Multani Mal Modi College, Patiala.



Azo dyes, formazans, waste water, biological decolourisation


Natural as well as synthetic dyes are well known and used for dyeing of various materials. Most common use of dyestuffs is in textile industry. Proper decolourisation and disposal of waste water from dyeing industry is an important issue. Symmetrical nitroformazans constitute a special class of azo-hydrazone dyes which have found application in dyeing industry. These dyes are a major cause of water pollution and need to be removed or destroyed before the disposal of waste water from dyestuff industry. Several methods like physical, chemical and biological have been reported for removal of dye in waste water. The commonly used physico- chemical techniques are costly, less efficient and are liable to interference by other waste water constituents. In the present study fungus, Coriolus versicolor was used for decolourisation of 3-nitro-1,5-diarylformazans. Maximum decolourisation of dye was observed after 96 hours incubation and minimum after 24 hour incubation.


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How to Cite

Manavjot Kaur, Sanjeev Kumar, & Dr. Rajeev Sharma. (2016). Decolorization of Symmetrical and Unsymmetrical 3-Nitroformazans using Coriolus Versicolor. Journal of Chemistry, Environmental Sciences and Its Applications, 2(2), 145–156.