Solid-state fermentation: tool for bioremediation of adsorbed textile dyestuff on distillery industry waste-yeast biomass using isolated Bacillus cereus strain EBT1.

Environmental Science and Pollution Research International
Avinash A KadamSanjay P Govindwar

Abstract

Bioremediation of textile dyestuffs under solid-state fermentation (SSF) using industrial wastes as substrate pose an economically feasible, promising, and eco-friendly alternative. The purpose of this study was to adsorb Red M5B dye, a sample of dyes mixture and a real textile effluent on distillery industry waste-yeast biomass (DIW-YB) and its further bioremediation using Bacillus cereus EBT1 under SSF. Textile dyestuffs were allowed to adsorb on DIW-YB. DIW-YB adsorbed dyestuffs were decolorized under SSF by using B. cereus. Enzyme analysis was carried out to ensure decolorization of Red M5B. Metabolites after dye degradation were analyzed using UV-Vis spectroscopy, FTIR, HPLC, and GC-MS. DIW-YB showed adsorption of Red M5B, dyes mixture and a textile wastewater sample up to 87, 70, and 81 %, respectively. DIW-YB adsorbed Red M5B was decolorized up to 98 % by B. cereus in 36 h. Whereas B. cereus could effectively reduce American Dye Manufacture Institute value from DIW-YB adsorbed mixture of textile dyes and textile wastewater up to 70 and 100 %, respectively. Induction of extracellular enzymes such as laccase and azoreductase suggests their involvement in dye degradation. Repeated utilization of DIW-YB showed consistent ads...Continue Reading

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Citations

Jun 16, 2014·Journal of Hazardous Materials·Ashwini N KulkarniSanjay P Govindwar
Sep 20, 2015·Biotechnology Advances·Rahul V Khandare, Sanjay P Govindwar
Mar 31, 2015·International Journal of Environmental Research and Public Health·Harshad LadeSanjay Govindwar
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Apr 11, 2020·Environmental Science and Pollution Research International·Le Thi Bao NgocPham Thi Thuy Phuong
Oct 13, 2021·Environmental Science and Pollution Research International·Jyotsna KaushalNavjeet Kaur

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