Decoloration of Polycyclic Aromatic Dyes by Mushroom Fungi
2009
Sancheti, Sandesh, Kongju National University, Kongju, Republic of Korea | Sancheti, Shruti, Kongju National University, Kongju, Republic of Korea | Seo, S.Y., Kongju National University, Kongju, Republic of Korea
As waste-water disposal plants and oxidative biodegradation for the removal of waste polyaromatic dyes are proved to be ineffective due to the chemical stability of dyes, we studied various strains of mushroom fungi for the removal of these dyes. 100 fungi were isolated from the mushroom samples of 230 species collected in Korea. The growth medium containing a dye (Bromophenol Blue, Congo Red, or Methylene Blue) was inoculated to 10% and incubated for 7 days without shaking. The six strains which removed dyes effectively were selected for further studies with respect to removal of polycyclic aromatic dyes. For all strains, the rate of decoloration of dyes was increasing with Methylene Blue, Bromophenol Blue and Congo Red. The rate of decoloration was higher with stationary culture than with shaking culture. Adsorption of the dyes was the highest with Congo Red.
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