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Title: Batch, repeated batch and continuous degradation of Reactive Black 5 and Reactive Red 120 dye by immobilized bacteria
Authors: Usha, M S
Sasirekha, B
Bela, R B
Devi, S
Kamalini, C
Manasa, G A
Neha, P M
Keywords: Ca-alginate
Reactive Black 5 dye
Reactive Red 120 dye
Issue Date: Jul-2012
Publisher: NISCAIR-CSIR, India
Abstract: This study presents batch degradation of Reactive Black 5 (RB5) and Reactive Red 120 (RR120) dyes using free cells of Aeromonas punctata and Pseudomonas aeruginosa, resulting 100% degradation up to 100 ppm and 150 ppm of respective dye. Immobilized cells showed 100% degradation of RB5 dye (up to 150 ppm) and RR120 dye (up to 200 ppm). On repeated use of immobilized beads, both A. punctata and P. aeruginosa showed 100% degradation of respective dye (at 150 ppm conc.) up to 10 cycles. During continuous degradation, degradation efficiencies of both cultures decreased with increase in dye concentration and flow rate. Degradation efficiency of P. aeruginosa was better than A. punctata with different flow rate and dye concentration.
Description: 504-510
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.71(07) [July 2012]

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