Development of a low-cost, phyto-tunnel system using Portulaca grandiflora and its application for the treatment of dye-containing wastewaters

Title
Development of a low-cost, phyto-tunnel system using Portulaca grandiflora and its application for the treatment of dye-containing wastewaters
Author
Kabra Akhil Nandkishor
Keywords
Decolorization; Dyes; Phytoremediation; Phyto-tunnel; Portulaca grandiflora; Textile effluent; Toxicity
Issue Date
2014-01
Publisher
Springer
Citation
BIOTECHNOLOGY LETTERS; JAN 2014, 36, 1, p47-p55
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.
URI
https://link.springer.com/article/10.1007/s10529-013-1324-1http://hdl.handle.net/20.500.11754/47739
ISSN
0141-5492
DOI
10.1007/s10529-013-1324-1
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > EARTH RESOURCES AND ENVIRONMENTAL ENGINEERING(자원환경공학과) > Articles
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