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Green remediation of textile dyes containing wastewater by Ipomoea hederifolia L
Wild plant and tissue cultures of Ipomoea hederifolia decolorize Scarlet RR (SRR) dye at a concentration of 50 mg L −1 up to 96% and 90% within 60 and 96 h, respectively. Significant induction in the enzyme activities of Lignin peroxidase, laccase, 2,6-dichlorophenol indophenol reductase, superoxide...
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Published in: | RSC advances 2014, Vol.4 (69), p.36623-36632 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Wild plant and tissue cultures of
Ipomoea hederifolia
decolorize Scarlet RR (SRR) dye at a concentration of 50 mg L
−1
up to 96% and 90% within 60 and 96 h, respectively. Significant induction in the enzyme activities of Lignin peroxidase, laccase, 2,6-dichlorophenol indophenol reductase, superoxide dismutase, catalase and tyrosinase was found in the plant roots and shoots during decolorization.
I. hederifolia
was also able to treat a dye mixture and a real textile effluent efficiently with a reduction in the American Dye Manufacturers Institute (ADMI) value (color removal) up to 85% and 88%, BOD up to 65% and 63% and COD up to 62% and 68%, respectively. Detailed anatomical studies of the stem and root cells of
I. hederifolia
during uptake and degradation were carried out, showing a stepwise and mechanistic degradation of the model dye SRR. Products formed after dye degradation were analyzed by UV-Vis spectroscopy, FTIR, HPLC and HPTLC, which confirmed the phytotransformation of SRR, dye mixture and textile effluent. A possible pathway for the phytotransformation of SRR was proposed based on GC-MS analysis, which confirmed the formation of different metabolites with lower molecular weights. The phytotoxicity study revealed the non-toxic nature of the formed products. |
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ISSN: | 2046-2069 2046-2069 |
DOI: | 10.1039/C4RA06840H |