Development of a low-cost, phyto-tunnel system using Portulaca grandiflora and its application for the treatment of dye-containing wastewaters |
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Authors: | Rahul V. Khandare Anuprita D. Watharkar Akhil N. Kabra Manvendra S. Kachole Sanjay P. Govindwar |
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Affiliation: | 1. Department of Biotechnology, Shivaji University, Kolhapur, India 2. Department of Biochemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India 3. Department of Biochemistry, Shivaji University, Kolhapur, 416 004, India
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Abstract: | A phyto-tunnel was developed using a drilled PVC pipe. It was planted with Portulaca grandiflora and used for the treatment of a textile effluent and a dye mixture. COD, BOD, TOC, conductivity, turbidity, total suspended solids and total dissolved solids of the textile effluent, and dye mixture were decreased by 57, 45, 43, 52, 76, 77 and 24 % within 96 h, and 49, 62, 41, 63, 58, 71 and 33 %, within 60 h, respectively, after treatment. The effluent and dye mixture were decolorized up to 87 and 90 % within 96 and 60 h, respectively. Significant induction in activities of lignin peroxidase, tyrosinase and DCIP reductase was observed in root tissues of the plants. FTIR, HPLC and HPTLC of untreated and treated samples showed the formation of new metabolites and preferential dye removal. Phytotoxicity studies revealed the non-toxic nature of the metabolites. |
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