Scope of reusing and recycling the textile wastewater after treatment with gamma radiation

Bhuiyan, M, Rahman, M, Shaid, A, Bashar, M and Khan, M 2016, 'Scope of reusing and recycling the textile wastewater after treatment with gamma radiation', Journal of Cleaner Production, vol. 112, pp. 3063-3071.


Document type: Journal Article
Collection: Journal Articles

Title Scope of reusing and recycling the textile wastewater after treatment with gamma radiation
Author(s) Bhuiyan, M
Rahman, M
Shaid, A
Bashar, M
Khan, M
Year 2016
Journal name Journal of Cleaner Production
Volume number 112
Start page 3063
End page 3071
Total pages 9
Publisher Elsevier
Abstract Fresh water is a precious natural resource that has been currently facing a severe stress because of its growing consumption by the industrialised civilisation. The global scarcity of fresh water has warranted an increasing demand for the treatment, recycling and reusing of wastewater for industrial purposes. This paper investigates the use of high energy gamma radiation to degrade and decontaminate combined textile wastewater and its potential application in textile wet processing and reuse for irrigation purposes. The treatment was carried out using a Cobalt-60 gamma radiation source at 10 kGy irradiation dose with a dose rate of 13 kGy/h. The change in pH, decolouration percentage, reduction of total suspended solids, total dissolved solids, biological oxygen demand and chemical oxygen demand, variation of electrical conductivity and heavy metal content of irradiated wastewater were extensively investigated. Then the treated wastewater was recycled for cotton fabric processing and reused in the irrigation of Malabar spinach plant. The detailed experimental results demonstrated that the irradiated wastewater can be satisfactorily used as an alternative to fresh water for scouring-bleaching and dyeing of cotton fabric. The risk to human health of fabric dyed with irradiated wastewater was also investigated. Carcinogenetic risk analysed by Gas chromatographyemass spectrometry showed the presence of banned amine in dyed fabric under the detection limit of 10 ppm and the absence of formaldehyde, signifying the non-toxicity of the fabric for human health. In case of a potential use in irrigation, treated wastewater was applied to Malabar spinach plant and compared with a controlled planting using the underground fresh water for irrigation. The plant irrigated with irradiated wastewater exhibited a better growth in terms of leaf count, root length and plant growth. It was further revealed that degradation of the textile dyes by g
Subject Manufacturing Processes and Technologies (excl. Textiles)
Keyword(s) Cotton fabric
Gamma irradiation
Recycling
Reusing
Textile wastewater
DOI - identifier 10.1016/j.jclepro.2015.10.029
Copyright notice © 2015 Elsevier Ltd. All rights reserved.
ISSN 0959-6526
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