Biotransformation of CI Acid Blue 113 and other dyes by Shewanella sp. P6. (29th June 2013)

• Record Type: Journal Article
• Authors: Biala, Sunil; Chauhan, Priyanka; Chadha, Bhupinder Singh; Singh, Bikram; Saini, Harvinder Singh
• Is Part Of: Coloration technology. Volume 129:Number 5(2013)
• Page Start: 330
• Page End: 337
• Publication Date: 2013-06-29
• Subjects: Color -- Periodicals; Color in the textile industries -- Periodicals; Dyes and dyeing -- Periodicals; 667
• DOI: 10.1111/cote.12045
• Languages: English
• ISSNs: 1472-3581

Abstract

<abstract abstract-type="main" id="cote12045-abs-0001"> <title> <x xml:space="preserve">Abstract</x> </title> <p>The isolate P₆, an indigenous <italic>Shewanella</italic> sp., was able to decolorise 90% of CI Acid Blue 113 in just 30 min of incubation under anoxic conditions. The decolorisation potential of cells was not significantly affected even in the presence of 2% (w/v) sodium chloride and 8% (w/v) sodium sulphate. Mass spectrometric analysis detected the formation of aniline sodium salt, 1, 4‐diaminonaphthalene, 5‐amino‐8‐(phenylamino)‐naphthalene‐1‐sulphonic acid sodium salt and 8‐(phenylamino)‐naphthalene‐1‐sulphonic acid sodium salt. Further, cells of P₆ decolorised the raw effluent collected from the equalisation tank of a textile industry wastewater treatment plant. The water‐soluble dyes/intermediates present in the sludge, generated after chemical flocculation of raw effluent, were transformed by P₆ cells within 24 h of incubation under anoxic conditions. Thus, isolate P₆ has a potential application in the biological treatment of liquid and solid waste of textile processing plants because of its efficient decolorisation and transformation properties.</p> </abstract>