Anionic dyes
Surface Functionalization of Cellulose Fibers Extracted From Juncus Acutus L Plant: Application for the Adsorption of Anionic Dyes from Wastewaters
... materials for the removal of textile dyes from aqueous solutions [2]. Following this trend, cellulose- based substrates are considered as promising scavengers for the removal of different types of pollutants from ...
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TiO2-graphene/chitosan nanocomposite: preparation and its application for removal of anionic dyes
... photoactivity for the removal of anionic dyes such as methyl red from aqueous solutions. Also, the influence of various operational parameters such as photocatalyst dosage, initial dye concentration, ...
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Removal of Anionic Dyes (Direct Blue 106 and Acid Green 25) from Aqueous Solutions Using Oxidized Multi-Walled Carbon Nanotubes
... of dyes in wastewaters may cause serious problems for the environment because of their high toxicity to aquatic organisms and unfavorable aesthetical ...of anionic dyes Direct Blue 106 (DB106) and ...
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Use of Moringa (Moringa Stenopetala) seed Extract for Removal of some Anionic dyes (Direct and Reactive dyes) in Textile Wastewater
... of dyes such as reactive dyes, direct dyes, mixture of dye wastes and mixture of industrial and dye wastewaters by the natural absorbent ...red dyes are ...of dyes are optimized at ...
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Characteristics and Kinetics of Cationic and Anionic dyes Adsorption on Soil Colloids
... of anionic dyes would be less suggesting the weak interaction between the activated clay and anionic ...reactive dyes from solution have concluded that the synthetic clay is most effective ...
7
Layered Clay Alginate Composites for the Adsorption of Anionic Dyes: A Biocompatible Solution for Water/Wastewater Treatment
... Adsorption properties of layered anionic clay-composites for the removal of anionic dyes from water were stu- died. The dye adsorption capacities of the composites were higher than the pristine clay. ...
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A STUDY OF THE REMOVE CATIONIC AND ANIONIC DYES IN AQUEOUS SOLUTION BY A NEW NATURAL CLAY
... both dyes Methylene Blue (MB) and Congo Red (CR) by adsorption on natural clay of the region of Agadir and determine the different reaction parameters effect on the ...especially dyes for an initial ...
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EFFECTIVENESS & ECONOMY OF SAWDUST WOOD ADSORBENTS IN REMOVING ANIONIC DYES OF AQUEOUS SOLUTIONS
... 2017]. Dyes of many kinds are employed in different fields of industry to add colours to products such as cosmetics, plastics, rubber and textiles, among many other ...synthetic dyes which are disposed of ...
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Photocatalytic Degradation of Anionic Azo Dyes Acid Orange 7 and Acid Red 88 in Aqueous Solutions Using TiO2-containing Hydrogel
... of dyes at such conditions, but it can be structurally modified in such a way that can tolerate higher pH values as well as lower ...of anionic dyes can be removed using this nanocomposite since it ...
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Cationic High Molecular Weight Lignin Polymer: A Flocculant for the Removal of Anionic Azo-Dyes from Simulated Wastewater
... Lignin is the second most abundant natural material and is currently an under-valued co-product of pulping and biofuel industries. Lignin has great potential to be converted into a flocculant for the dye removal [26, ...
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The Use of Coconut Shells for the Removal of Dyes from Aqueous Solutions
... The increased sorption efficiency of anionic dyes at low pH results from the change in sur- face charge of the sorbent. Probably, in the low pH, functional groups present in the CS structure (-OH) are ...
7
Razor Clam (Ensis directus) Shell as a Low-Cost Adsorbent for Anionic and Cationic Dyes in Aqueous Solutions
... of anionic dye due to a higher electrostatic interaction between protonated functional groups in the adsorbent and the sulphonate (SO3-) groups in the anionic dyes ...of anionic dyes ...
8
Elaboration of A Lignocellulosic Material for A Comparative Study of Adsorption of Micropollutants in Aqueous Solution
... As a contribution to this matter, the objective of the present study was to develop a low-cost adsorbent by chemical treatment of timber sawdust with aqueous NaOH which not only would permit the extraction of ...
8
A Simple and Rapid Method for the Detection of Non Ionic Surfactants
... Non-ionic surfactants do not produce ions in aqueous solutions, and are thus compatible with other types of surfactants. These are therefore excellent candidates to form complexes with potassium [18]. For instance, the ...
9
Removal from wastewater and recycling of azo textile dyes by alginate-chitosan beads
... of anionic dyes from textile wastewater at room temperature and pH ...direct dyes interact with the chitosan shell by means of electrostatic interactions between the dye sulfonate groups and the ...
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Biosorption of methylene blue and acid orange 7 by modified hexadecyltrimethylammonium bromide rice husk
... In this study, rice husk was selected as adsorbent due to the presence of lignocellulose structure. Most plant waste have negative charged surface in water which cause them unable to adsorb anionic (negative ...
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Vol 2, No 4 (2013)
... of anionic or acidic dyes from aqueous ...for anionic dyes, but when coated by polyaniline (PAni/SD), it is changed into a very efficient adsorbent material for adsorption of AG25 from aqueous ...
6
Smart Materials for Environmental Remediation Based on Two Component Gels: Room Temperature Phase Selective Gelation for the Removal of Organic Pollutants Including Nitrobenzene/O Dichlorobenzene, and Dye Molecules from the Wastewater
... In summary, we have designed a novel multifunctional two-component gel system, which exhibited highly effi- cient self-healing and room temperature-phase-selective properties, and potential applications in the fields of ...
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Modified Nanoporous Carbon Material for Anionic Dye Removal from Aqueous Solution
... of anionic dyes from aqueous solution onto mesoporous carbon material (CMK-1) and modified with polymer (PANI/CMK-1) has been investigated as a function of parameters such as adsorbent dose ...of ...
10
Color Matching and Utilization of Teegafix High Efficiency Fiber Reactive Dyes in a Production Setting
... By diluting the reaction mixture, the viscosity and pH of the reaction were more easily controlled and a desalted Teegafix red was made that was about 20% stronger than the starting dye. Having made the desired Teegafix ...
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