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28 results for “Dyes”

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Research ArticleOpen accessEvery word in the titleBIOTRANSFORMATION OF TEXTILE DYES: A BIOREMEDIAL ASPECT OF MARINE ENVIRONMENTR. S. Shertate, Prakash ThoratPresence of huge amount of salts in the wastewater of textile dyeing industry is one of the major limiting factors in the development of an effective biotreatment system for the removal of dyes from textile effluents. Large number of textile industries are located on the coastal areas due to ease of transport to the various places in world and help … …American Journal of Environmental Sciences, Vol. 10, Issue 5 · 12 Nov 2014 · 7,383 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleRAPID DEGRADATION OF AZO DYES USING NANO-SCALE ZERO VALENT IRONNabila Rahman, Zainal Abedin, M. Ali HossainIn the present study, nano-scale Zero Valent Iron (NZVI) was synthesized in ethanol medium by the method of ferric iron reduction using sodium borohydride as a reducing agent under atmospheric conditions. The obtained iron nanoparticles are mainly in zero valent oxidation state and remain without significant oxidation for hours. A systematic characterization of NZVI was performed using XRD, SEM and … …American Journal of Environmental Sciences, Vol. 10, Issue 2 · 8 Apr 2014 · 8,599 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleBasic and Reactive Dyes Sorption Enhancement of Rice Hull through Chemical ModificationSiew-Teng Ong, Pei-Sin Keng, Chnoong-Kheng LeeProblem statement: Many studies have been conducted on the removal of either anionic or cationic dyes. However, as a mixture of dyes does commonly exist together in wastewater, therefore it is of great interest to have a material that can remove both types of dyes. Approach: To prepare an inexpensive and efficient sorbent by chemically modifying rice hull for the … …American Journal of Applied Sciences, Vol. 7, Issue 4 · 30 Apr 2010 · 7,787 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAntibacterial Effect of Untreated and Treated (Decolorized) Dyes by Agricultural WastesSibel Kahraman, Pelin YalcinToxicity (antibacterial effect) of untreated and treated (decolorized) dyes on a soil bacterium, Pseudomonas aeruginosa was determined. Low cost and easily available two agricultural residues (cotton stalk and apricot seed) as biosorbents were used to remove Astrazone Black and Astrazone Yellow from aqueous solution. The removal of these dyes with agricultural wastes reduced the toxic effect on P. aeruginosa. This … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 1 · 31 Mar 2005 · 7,260 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDecolorization of Six Synthetic Dyes by FungiE. Samuel Hartikainen, Otto Miettinen, Annele Hatakka, Mika A. KähkönenTo find out ability of fourteen basidiomycetes and four ascomycetes strains to grow in the presence of synthetic colour dyes and to degrade them, fungi were cultivated on the malt agar plates containing 0.5 g kg-1 dye, either Remazol Brilliant Blue R, Remazol Brilliant Yellow GL, Remazol Brilliant Orange 3 R, Reactive Blue 4, Remazol Brilliant Red F3B or Reactive … …American Journal of Environmental Sciences, Vol. 12, Issue 2 · 31 Mar 2016 · 8,978 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUtilization from Cement Kiln Dust in Removal of Acid DyesMohamed El-Shahate Ismaiel Saraya, Mahmoud El-Saied Aboul-FetouhProblem statement: The growth of industries and day to day changes in human activities has resulted in an increase in the volume and complexity of wastewater to the environment. Textile industry is one of the most water consumers industries of Egypt, thus discharges large amounts of wastewater effluents during processing, especially, in the coloring and washing steps. Cement kiln dust … …American Journal of Environmental Sciences, Vol. 8, Issue 1 · 30 Jan 2012 · 7,526 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Temperature on the Color of Natural Dyes Extracted Using Pressurized Hot Water Extraction MethodNursyamirah Abd Razak, Siti Marsinah Tumin, Ruziyati TajuddinProblem statement: Traditionally, extraction of natural dyes with boiling method produced only one single tone of colorant/dyes which involved plenty of water in several hours of extraction time. A new modern extraction technique should be introduced especially to textile dyers so that a variety of tone of colorants can be produced in a shorter time with less consumption of water. … …American Journal of Applied Sciences, Vol. 8, Issue 1 · 31 Jan 2011 · 9,850 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDegradation of Textile Dyes Ponceau-S and Sudan IV Using Recently Developed Photocatalyst, Immobilized Resin Dowex-11R. C. Meena, Ram Babu Pachwarya, Vijay Kumar Meena, Shakuntla AryaProblem statement: In present study, we selected a model dyes Ponceau S and Sudan IV, to test a recently developed photo catalyst methylene blue immobilized resin dowex-11. Approach: This is a light-activated process that has been successfully applied to remove organic and inorganic dyes of textile industries. Results: The reactor, made of glass slides (tubes) coated with a thin-film of … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,054 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleValuation of Biomaterial: Phragmites australis in the Retention of Metal-Complexed DyesAida Kesraoui, Asma Mabrouk, Mongi SeffenThe purpose of this research was to estimate the potential of cellulosic fibers of highly available and renewable Tunisian biomass Phragmites australis for the biosorption of an anionic metal complexed dye: Alpacide blue. The present study shows that the Phragmite australis were used successfully for the adsorption of Alpcide blue from aqueous solution. Equilibrium was reached after 5 h at … …American Journal of Environmental Sciences, Vol. 13, Issue 3 · 5 Jun 2017 · 7,421 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInfluence of Temperature and pH on the Stability and Colorimetric Measurement of Textile DyesA.S. Mahmoud, A.E. Ghaly, S.L. BrooksMost of the textile dye removal techniques operate within temperature and pH ranges of 20-60°C and 2-12, respectively. Both the pH and temperature have been reported to have significant effects on the efficiencies of the dye removal techniques. In this study, the effects of pH and temperature on the stability and color measurement (absorbance) of the textile dye remazol brilliant … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 1 · 31 Mar 2007 · 10,741 accessesView PDFCite