Decolorization of Remazol Black-B using a thermotolerant yeast, Kluyveromyces marxianus IMB3

C Meehan, Ibrahim Banat, Geoffrey McMullan, P Nigam, Franklin Smyth, Roger Marchant

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

The ability of Kluyveromyces marxianus IMB3 to decolorize Remazol Black-B dye was investigated. The effect of environmental conditions, such as pH and temperature were examined. No noticeable effects on decolorization were observed when pH varied from 3.0-55. Maximum colour removal, 98%, was achieved at 37 degreesC. Little or no colour removal was detected when K. marxianus IMB3 was incubated under anaerobic conditions. Further investigation, in which decolorization was monitored under extreme temperatures and low pH (to inhibit growth) and using ten fold dense inoculum, revealed that decolorization was due to biosorption to the yeast cells and not due to a metabolic reaction. (C) 2000 Elsevier Science Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)75-79
JournalEnvironment International
Volume26
Issue number1-2
Publication statusPublished - Aug 2000

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