Journal
ENVIRONMENTAL TECHNOLOGY & INNOVATION
Volume 25, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.eti.2021.102126
Keywords
Methyl orange; Degradation; Metabolites; Wastewater; Aeromonas hydrophila
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This study focuses on the biological treatment of methyl orange degradation. Three bacterial strains were isolated from textile wastewater, and Aeromonas hydrophila showed the highest degradation efficiency. The optimized conditions and end products were determined through analysis.
The present report is based on the degradation of methyl orange, which is categorized as an acute toxic compound and mutagenic substance. Since it is highly solubilized in the environment, it is very challenging to remove. This study is focused on biological treatment which has the ability to breakdown methyl orange. Three bacterial strains were initially isolated from the textile wastewater. Out of those strains, Aeromonas hydrophila showed maximum degradation of about 85%. The optimized conditions for the degradation process were found to be 20 ppm concentration, pH 7, and temperature 35 degrees C. The carbon source such as 1% sucrose is found to be appropriate carbon source for the degradation. While nitrogen source suited well was found to be 1% peptone over 1% meat extract. The metabolite obtained after degradation was analyzed using FT-IR and GC-MS. N, N-dimethyl p-phenylenediamine and 4-amino sulfonic acid were identified as the end products. (C) 2021 The Authors. Published by Elsevier B.V.
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