The removal of C.I. Basic Red 46 in a mixed methanogenic anaerobic culture

Sarıoğlu, Meltem; Bali, Ulusoy; Bişgin, Turgay

doi:10.1016/j.dyepig.2006.02.001

Cited by 45 publications

(19 citation statements)

References 18 publications

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“…Textile dyes are recalcitrant to degrade by the conventional wastewater treatment systems [3]. Both the physical and chemical methods have many disadvantages in application, such as high-energy costs, high-sludge production and formation of the secondary toxic by-products [4]. Conversely, bio-processing can overcome these defects because of cost saving and environmentally benign.…”

Section: Introductionmentioning

confidence: 99%

Decolorization of Textile Dyes and Degradation of Mono-Azo Dye Amaranth by Acinetobacter calcoaceticus NCIM 2890

et al. 2011

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Acinetobacter calcoaceticus NCIM 2890 (A. caloaceticus) was found to decolorize 20 different textile dyes of various classes. Decolorization of an azo dye amaranth was observed effectively (91%) at static anoxic condition, whereas agitated culture grew well but showed less decolorization (68%) within 48 h of incubation. Induction of intracellular and extracellular lignin peroxidase, intracellular laccase, dichlorophenol indophenol (DCIP) reductase and riboflavin reductase represented their involvement in the biodegradation of amaranth. The products obtained after degradation of Amaranth were characterized as naphthalene sulfamide, hydroxyl naphthalene diazonium and naphthalene diazonium. The germination and growth of Sorghum vulgare and Phaseolus mungo seeds, and the growth of E. coli and Bacillus substilis were not inhibited by the metabolic products of the dye.

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Section: Introductionmentioning

confidence: 99%

Decolorization of Textile Dyes and Degradation of Mono-Azo Dye Amaranth by Acinetobacter calcoaceticus NCIM 2890

et al. 2011

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“…The kinetics of decolorization and the influence of operational parameters were also studied on a representative dye for each chemical group. A significant abiotic dye removal was also revealed, which rarely has been considered in previous studies (Sarioglu et al 2007). …”

Section: Introductionmentioning

confidence: 69%

Decolorization of acid and basic dyes: understanding the metabolic degradation and cell-induced adsorption/precipitation by Escherichia coli

Cerboneschi

Corsi

Bianchini

et al. 2015

Appl Microbiol Biotechnol

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Escherichia coli strain DH5α was successfully employed in the decolorization of commercial anthraquinone and azo dyes, belonging to the general classes of acid or basic dyes. The bacteria showed an aptitude to survive at different pH values on any dye solution tested, and a rapid decolorization was obtained under aerobic conditions for the whole collection of dyes. A deep investigation about the mode of action of E. coli was carried out to demonstrate that dye decolorization mainly occurred via three different pathways, specifically bacterial induced precipitation, cell wall adsorption, and metabolism, whose weight was correlated with the chemical nature of the dye. In the case of basic azo dyes, an unexpected fast decolorization was observed after just 2-h postinoculation under aerobic conditions, suggesting that metabolism was the main mechanism involved in basic azo dye degradation, as unequivocally demonstrated by mass spectrometric analysis. The reductive cleavage of the azo group by E. coli on basic azo dyes was also further demonstrated by the inhibition of decolorization occurring when glucose was added to the dye solution. Moreover, no residual toxicity was found in the E. coli-treated basic azo dye solutions by performing Daphnia magna acute toxicity assays. The results of the present study demonstrated that E. coli can be simply exploited for its natural metabolic pathways, without applying any recombinant technology. The high versatility and adaptability of this bacterium could encourage its involvement in industrial bioremediation of textile and leather dyeing wastewaters.

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“…About 17-20% of freshwater pollution is caused by textile effluents. These effluentsare recalcitrant to biodegradation and cause acute toxicity to the receiving water bodies, as these comprised of varioustypes of toxic dyes, which are difficult to remove [3].The conventional treatment systems based on physical or chemical treatment does not remove the color and dye compound concentration [4].…”

Section: Introductionmentioning

confidence: 99%

“…Biological methods are currently viewed as specific, less energy intensive, effective, environmentally safe and they result in partial or complete bioconversion of organic pollutants to stable and nontoxic end products [4,5]. The products of intermediate metabolism during the decolorization process, such as aromatic amines, can be degraded by the hydroxylase and oxygenase produced by bacteria [5,6].In this study, a thermo-alkalophilic bacterium Citrobacter sp.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Magenta Dye Decolorization Different Parameters by Citrobacter sp.

2017

IJSR

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A thermo-alkalophilic bacterium Citrobacter sp. isolated from textile mill effluent sample as a decolouring microorganism.The maximum 500 mg L -1 Magenta (Basic Red-9) dye decolorization was takes place in 48 h and completely decolorizes the dye Magenta up to a maximum concentration 1000 ppm, however the time taken was 104 h. The optimum physical parameters such as temperature 40°C, pH 8.0 and 2.5% (w/v) of nitrogen source were required for the decolorization of Magenta dye by Citrobacter sp.Effect of seven different metal ions on decolorization of Magenta tested, in which most toxic was Cadmium and less toxic was Lead at 0.05 mM concentration. The curing study indicates that decolorization was takes place by enzyme which was plasmid mediated. The degraded dye metabolites are analyzed by TLC and diazotization, carbylamines test for individual metabolite indicates biotransformation of Magenta into aromatic amine and non-toxic aromatic metabolites. These results suggest that the isolated organism Citrobacter sp.as a useful tool to treat waste water containing reactive dyes at static condition.

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The removal of C.I. Basic Red 46 in a mixed methanogenic anaerobic culture

Cited by 45 publications

References 18 publications

Decolorization of Textile Dyes and Degradation of Mono-Azo Dye Amaranth by Acinetobacter calcoaceticus NCIM 2890

Decolorization of Textile Dyes and Degradation of Mono-Azo Dye Amaranth by Acinetobacter calcoaceticus NCIM 2890

Decolorization of acid and basic dyes: understanding the metabolic degradation and cell-induced adsorption/precipitation by Escherichia coli

Optimization of Magenta Dye Decolorization Different Parameters by Citrobacter sp.

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