Azo dye
Effect of redox mediator, AQDS, on the of a reactive azo dye containing triazine group in a thermophilic anaerobic EGSB reactor
... reactive azo dyes containing triazine as reactive group presented the lowest colour removal rates during mesophilic anaerobic colour removal ...e.g. azo dyes ...the azo dye ...
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REPOSITORIO INSTITUCIONAL DA UFOP: Microbial dynamics during azo dye degradation in a UASB reactor supplied with yeast extract.
... anaerobic azo dye reduction does not seem to be a universal property among methanogenic archaea, so that redox mediators might improve reductive decolorization by allowing some microbial groups commonly ...
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Biossorção & biodegradação de azo corante: desenvolvimento de processos utilizando resíduos como fonte de microorganismos = Azo dye biosorption & biodegradation : process development with residues as source of microorganisms
... The textile industry has grown each year and, therefore, there is an increase in wastewater volume generated by such industries. However, treating these effluents is not always done in an effective way and thus it is ...
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Effect of different redox mediators during thermophilic azo dye reduction by anaerobic granular sludge and comparative study between mesophilic (30 C) and thermophilic (55 C) treatments for of textile wastewaters art absantos effect
... of azo dye wastewaters has been extensively ...than azo dyes (Stolz, ...the azo bond, but also maintain the low redox potential (<)50 mV) which is required for the transfer of reducing ...
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Application of cellulose-immobilized riboflavin as a redox mediator for anaerobic degradation of a model azo dye Remazol Golden Yellow RNL
... for azo dye reduction under anaerobic conditions is transferring the reducing equivalents generated by the cells during the metabolic process to the azo dye (Field and Brady, ...
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Degradation of a model azo dye in submerged anaerobic membrane bioreactor (SAMBR) operated with powdered activated carbon (PAC)
... for dye removal. Considering the azo dye load ...the azo-dye removal in the sys- ...with azo dye solutions prepared in distilled ...of azo dye being actually ...
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The contribution of fermentative bacteria and methanogenic archaea to azo dye reduction by a thermophilic anaerobic consortium
... the azo dye RR2 in the absence of the redox mediator ...all azo dyes tested so far are biologically reduced under anaerobic ...sulfonated azo dye Amaranth by ␣,  and ␥- proteobacteria ...
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Effects of operational parameters on the photodegradation of direct red 23 azo dye at the titanium dioxide/water interface.
... 23 AZO DYE AT THE TITANIUM DIOXIDE / WATER ...23 azo dye have been investigated in aqueous suspension of titanium dioxide under artificial ...as azo dye concentration, catalyst ...
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Azo Dye Degradation by Phanerochaete chrysosporium in the Medium Enriched with Nitrogen in the Presence of Primary Co-Substrate
... red azo dye in batch reactor, evaluate the influence of glucose and wheat bran as co-substrates on the removal of the dye in the medium and investigate the influence of ammonium chloride, ammonium ...
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Analyses of the genotoxic and mutagenic potential of the products formed after the biotransformation of the azo dye Disperse Red 1
... the azo dye Disperse Red 1 (DR1) causes an increase in the frequency of micronuclei (MN) in human lymphocytes and in HepG2 cells, in a dose-dependent manner (Chequer et ...This dye also exhibited ...
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Evaluation of soluble microbial products and aromatic amines accumulation during a combined anaerobicaerobic treatment of a model azo dye
... that azo bond (AN@NA) cleavage is difficult in oxidative ...the azo dye as the pre- ferred electron acceptor, thereby impairing the azo bond ...of azo dyes is easier in reductive ...
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Azo dye reduction by thermophilic anaerobic granular sludge, and the impact of the redox mediator anthrnone2,6disulfonate (AQDS) on the reductive biochemical
... The negligible increase in colour removal at high AQDS concentrations (Fig. 6) is in accordance with previous studies using redox mediators to accelerate azo dye reduction (Keck et al. 1997; Kudlich et al. ...
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Effects of oxidant agents and dissolved oxygen on the decolorization of acid orange 7 azo dye by photolysis and photocatalysis.
... 7 AZO DYE BY PHOTOLYSIS AND ...7 azo dye by photolysis and photocatalysis by ZnO was investigated in the presence of oxidants such as NaClO 3 , NaBrO 3 , NaIO 4 , and K 2 S 2 O 8 in an open ...
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Discoloration and degradation of the RED GRLX-220 azo-dye by ozonation.
... DISCOLORATION AND DEGRADATION OF THE RED GRLX-220 AZO-DYE BY OZONATION. The discoloration and degradation of the textile dye RED GRLX-220 using the electrochemically generated ozone was investigated. ...
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CYP-450 isoenzymes catalyze the generation of hazardous aromatic amines after reaction with the azo dye Sudan III
... III dye by tert-butylhydroperoxide catalyzed by FeTMPyP, the reaction supernatants were analyzed by HPLC/DAD using the experimental conditions optimized for aromatic amines detection, as stated ...
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Azo em Reator UASB"
... of azo dye Drimaren Blue HF-RL in anaerobic systems operated in bench scale in batch and continuous ...the dye in the first 24 hours of incubation; whereas the bottles incubated with riboflavin ...
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Polímeros vol.25 número2
... initial dye concentration, copolymer dosage and contact time affecting the removal process were ...methacrylate, azo dye, adsorption isotherm, adsorption ...
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Quím. Nova vol.37 número5
... The absorbance data gathered during the D4 experiments indicate that an average color removal of 93% was achieved in the batch reac- tors incubated with free cell extracts (anaerobic supernatant) and yeast extract, ...
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Effect of Fe 3+ Doping in the Photocatalytic Properties of BaSnO3 Perovskite
... synthesized by the modified Pechini method, with calcination between 300 and 800°C/4 h. The powder precursor was characterized by thermogravimetry after partial elimination of carbon. Characterization after the second ...
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Cerâmica vol.63 número368
... the dye solution after adsorption and photocatalytic tests at pH 6 and 3 are presented in ...the dye amount in the solution due to its adsorption on the material ...the azo dye and the ...RNL ...
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