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Relevant bibliographies by topics / Direct blue dyestuff

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Journal articles

Academic literature on the topic 'Direct blue dyestuff'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Direct blue dyestuff"

1

Shim, Euijin, and Hye Rim Kim. "Coloration of bacterial cellulose using in situ and ex situ methods." Textile Research Journal 89, no. 7 (2018): 1297–310. http://dx.doi.org/10.1177/0040517518770673.

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This study aimed to produce colored bacterial cellulose (BC) by adding dye during cultivation (in situ) and by dyeing BC after cultivation (ex situ), respectively. Three different dyestuffs—direct, acid and reactive—were selected for application in the coloring of BC. In the in situ method, the dyestuff is adding into the culture medium. The effects of various dyestuff and carbon sources on the production yield were evaluated. In the ex situ method, the dyestuff, BC gel, was dyed under various dyestuff and dyeing conditions. The production yield of BC cultured by the in situ method in glucose

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2

GÜNASLAN, Sermin, Baybars Ali FİL, and Deniz TOSUN. "Investigation of the effect of supporting electrolyte type and pH parameters on electrooxidation color removal from Direct Blue 86." International Conference on Applied Engineering and Natural Sciences 1, no. 1 (2023): 102–7. http://dx.doi.org/10.59287/icaens.972.

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In this study, color removal and electrical consumption from Direct Blue 86 (DB86) dyestuff, commonly used in the textile industry, were investigated using the electrooxidation method. A jacketed glass reactor with a volume of 2000 mL was preferred for the electrooxidation process. Five anode and five cathode electrodes with dimensions of 70 x 100 mm were used. Ti/IrO2/RuO2 was chosen as the anode material, and stainless steel (plate type) electrodes were preferred as the cathode. The effects of the supporting electrolyte type and pH parameters on color removal were investigated. NaCl, KCl, Na

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3

K. Shakir, Ibtehal. "Kinetic and Isotherm Modeling of Adsorption of Dyes onto Sawdust." Iraqi Journal of Chemical and Petroleum Engineering 11, no. 2 (2010): 15–27. http://dx.doi.org/10.31699/ijcpe.2010.2.2.

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Sawdust has the ability to adsorb the dyestuff from aqueous solution. It may be useful low cost adsorbent for the treatment of effluents, discharged from textile industries. The effectiveness of sawdust has been tested for the removal of color from the wastewater samples containing two dyes namely Direct Blue (DB) and Vat Yellow (VY). Effect of various parameters such as agitation time, adsorbent dose and initial concentration of each dye has been investigated in the present study. The adsorption of dyes has been tested with various adsorption isotherm models. The Langmuir isotherms model is f

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4

Wu, Hao, Le Xu, Jiao Jia, Fengchun Dong, Yongtang Jia, and Xi Liu. "In Situ Electrospun Porous MIL-88A/PAN Nanofibrous Membranes for Efficient Removal of Organic Dyes." Molecules 28, no. 2 (2023): 760. http://dx.doi.org/10.3390/molecules28020760.

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In recent years, metal–organic framework (MOF)-based nanofibrous membranes (NFMs) have received extensive attention in the application of water treatment. Hence, it is of great significance to realize a simple and efficient preparation strategy of MOF-based porous NFMs. Herein, we developed a direct in situ formation of MOF/polymer NFMs using an electrospinning method. The porous MOF/polymer NFMs were constructed by interconnecting mesopores in electrospun composite nanofibers using poly(vinylpolypyrrolidone) (PVP) as the sacrificial pore-forming agent. MOF (MIL-88A) particles were formed insi

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5

Yu, Jian, Daiki Ogata, ZuoQi Gai, et al. "Structures of AzrA and of AzrC complexed with substrate or inhibitor: insight into substrate specificity and catalytic mechanism." Acta Crystallographica Section D Biological Crystallography 70, no. 2 (2014): 553–64. http://dx.doi.org/10.1107/s1399004713030988.

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Azo dyes are major synthetic dyestuffs with one or more azo bonds and are widely used for various industrial purposes. The biodegradation of residual azo dyesviaazoreductase-catalyzed cleavage is very efficient as the initial step of wastewater treatment. The structures of the complexes of azoreductases with various substrates are therefore indispensable to understand their substrate specificity and catalytic mechanism. In this study, the crystal structures of AzrA and of AzrC complexed with Cibacron Blue (CB) and the azo dyes Acid Red 88 (AR88) and Orange I (OI) were determined. As an inhibit

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6

M., N. Abubacker, and Kirthiga B. "Bioremediation potential of textile Aspergillus flavus teak 07 Against textile dye and their toxicity assessment." Biolife 3, no. 1 (2022): 54–60. https://doi.org/10.5281/zenodo.7251312.

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<strong>ABSTRACT</strong> The study focused on the isolation, decolourization efficiency of the indicator organism and their toxicity assessment. The predominant isolate was morphologically identified, characterized by 18SrRNA and named as Aspergillus flavus TEAK 07. The indicator and the reference fungi Aspergillus flavus MTCC 1883 strain were assessed for their efficacy to decolorize the reactive Red 120. The indicator organism Aspergillus flavus TEAK 07 expressed the best decolorization efficiency than the reference isolate. The various factors affecting Reactive red decolonization were opt

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7

Platzek, T., C. Lang, G. Grohmann, U.-S. Gi, and W. Baltes. "Formation of a carcinogenic aromatic amine from an azo dye by human skin bacteria in vitro." Human & Experimental Toxicology 18, no. 9 (1999): 552–59. http://dx.doi.org/10.1191/096032799678845061.

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Azo dyes represent the major class of dyestuffs. They are metabolised to the corresponding amines by liver enzymes and the intestinal microflora following incorporation by both experimental animals and humans. For safety evaluation of the dermal exposure of consumers to azo dyes from wearing coloured textiles, a possible cleavage of azo dyes by the skin microflora should be considered since, in contrast to many dyes, aromatic amines are easily absorbed by the skin. A method for measuring the ability of human skin flora to reduce azo dyes was established. In a standard experiment, 361011 cells

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8

Adeyi, A. A. "Textile Waste Water Treatment and Colour Removal Using Chemically Activated Sawdust." J. of Bioprocessing and Chemical Engineering Volume 1, Issue 3 (2014). https://doi.org/10.5281/zenodo.893525.

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In this study, removal of direct blue dyestuff (an organic pollutant) from wastewater effluents of textile industry by adsorption was investigated. Activated charcoal was produced from sawdust using aqueous zinc chloride, ZnCl2 as the activating agent and carbonized at 500 0C for 45 minutes. The effectiveness of the AC was measured in terms of absorbance using colorimeter. The results show a very sharp reduction from 600 mg/dm3 to 40 mg/dm3. Experimental results were subjected to Langmuir and Freundlich adsorption isotherms, Langmuir model was better fitted for the equilibrium analysis with R2

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9

Altin, Sureyya. "Removal of Remazol Turquoise Blue (G-133) and Polyvinyl Alcohol (PVA) by Electrocoagulation using Monopolar and Bipolar Electrodes." International Journal of Chemical Reactor Engineering 9, no. 1 (2011). http://dx.doi.org/10.1515/1542-6580.2580.

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This study aims to investigate color and COD removal efficiencies of electrocoagulation (EC) process for dye solutions simulated by using polyvinyl alcohol (PVA) and reactive dyestuff of Remazol Turquoise Blue (G-133). The two different electrode configurations, namely monopolar and bipolar, were examined to find out the better alternative intensifying the performance of the process. The results obtained from these tests show that an EC cell with bipolar electrodes has produced slightly higher color and COD removal efficiencies than that of an EC cell with monopolar electrodes. The best remova

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