Construction and implementation of floating wetpark as effective constructed wetland for industrial textile wastewater treatment

Fimbristylis dichotoma, Ipomoea aquatica, Pluchea tomentosa and their co-plantation (consortium FIP) autonomously degrade Orange 3R. Consortium FIP showed 84% removal of Orange 3R within 48 h, which is a higher dye elimination rate than individual plant systems. Oxidoreductase enzymes like tyrosinas...

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Published in:Journal of hazardous materials 2022-02, Vol.424 (Pt D), p.127710-127710, Article 127710
Main Authors: Kadam, Suhas K., Tamboli, Asif S., Chandanshive, Vishal V., Govindwar, Sanjay P., Choo, Yeon-Sik, Pak, Jae hong
Format: Article
Language:English
Subjects:
Azo Compounds
Biodegradation, Environmental
Coloring Agents
floating wetpark
Industrial Waste
phytoremediation
plant-plant consortia
textile effluent
Textile Industry
Textiles
toxicity analysis
Waste Water
Water Purification
Wetlands
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Summary:Fimbristylis dichotoma, Ipomoea aquatica, Pluchea tomentosa and their co-plantation (consortium FIP) autonomously degrade Orange 3R. Consortium FIP showed 84% removal of Orange 3R within 48 h, which is a higher dye elimination rate than individual plant systems. Oxidoreductase enzymes like tyrosinase (76%), varatryal alcohol oxidase (85%), lignin peroxidase (150%), riboflavin reductase (151%), laccase (171%), NADH-DCIP reductase (11%) and azo reductase (241%) were expressed in consortia FIP during Orange 3R degradation. UV–vis spectroscopy, enzyme activities, HPTLC, FTIR and GC-MS confirmed mineralization of Orange 3R into its metabolites. Microscopic investigation of root tissue revealed the harsh effect of dye on root tissues. Toxicity assessment on the HepG2 cell line demonstrated the toxic nature of Orange 3R, which gets reduced after phyto-treatment with consortia FIP. Floating wetpark of consortia FIP was found more efficient for the treatment of industrial textile waste and accomplished 87%, 86%, 75%, 49% and 46% removal of COD, BOD, color, TSS and TDS of effluent. [Display omitted] •Fimbristylis dichotoma, Pluchea tomentosa and Ipomoea aquatica decolorized Orange 3R and real textile dye effluent.•Co-plantation of F. dichotoma, P. tomentosa and I. aquatica gave more efficient dye removal.•Possible degradation pathway of Orange 3R by consortial FIP is proposed.•Effluents were treated note-worthily by Floating wetpark.•Toxicity study on HepG2 cell line revealed less toxic nature of dye products.
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2021.127710