Electro-nanofiltration of a textile direct dye solution

Noël, Isabelle M.; Lebrun, Rémi E.; Bouchard, Christian

doi:10.1016/s0011-9164(00)00055-2

Cited by 26 publications

(8 citation statements)

References 17 publications

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“…To date, the most commonly applied anodic material has been reported to be noble metal/metal oxides (e.g., platinum, iridium oxide)coated titanium [39][40][41]. Graphite or stainless steel may also be used [1,42,43], but electrode corrosion is likely to occur after long-time operation. There is usually a wide range of selection for the cathodic material.…”

Section: Electrode Materialsmentioning

confidence: 99%

“…With much higher red dye concentration of 12 kg·m −3 , a reversible fouling is obtained using BQ01 with an electric field of 1.33 × 10 4 V·cm −1 , whereas a partially reversible fouling is observed without an electric field. The authors suggested that electric field could delay the formation of fouling layer and may interact with the structure of the red dye layer leading to a more reversible fouling [42].…”

Section: Treatment Of Dye Wastewatermentioning

confidence: 99%

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Electrically and Electrochemically Assisted Nanofiltration: A Promising Approach for Fouling Mitigation

Geng¹,

Chen²

2018

Nanofiltration

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Membrane fouling is regarded as the most critical bottleneck for the widespread application of membrane separation technology. The application of electricity to the surface of membrane provides a promising alternative for fouling mitigation, which may involve the following effects such as electrophoresis, electroosmosis, and electrooxidation. Electrophoresis and electroosmosis influence the movement of charged species (ions or molecules) or movement of fluid adjacent to charged surface under the applied electric field, while electrooxidation functions by degrading species accumulated in the concentration polarization layer and fouling layer to resume permeate flux. Different membrane modules have been developed to satisfy the requirement of electrode assembly. Meanwhile, this coupled process also promotes the development of stable and conductive electrodes including membrane electrodes. Successful applications have been found in the areas of ion separation and treatment of dye wastewater, arsenic contaminated wastewater, antibiotic contaminated wastewater, etc. Compared with microfiltration (MF) and ultrafiltration (UF), existing research in the nanofiltration (NF) is still limited. The increasing applications of NF in practice because of its unique separation capability will definitely trigger more investigations on this electrically or electrochemically combined antifouling technique.

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Section: Electrode Materialsmentioning

confidence: 99%

Section: Treatment Of Dye Wastewatermentioning

confidence: 99%

Electrically and Electrochemically Assisted Nanofiltration: A Promising Approach for Fouling Mitigation

Geng¹,

Chen²

2018

Nanofiltration

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“…This property of the nanofiltration membrane is taken advantage of to separate a composite feed stream into streams containing different components. In industry, nanofiltration membranes find use in a host of areas such as dairy (3,4), sugar, and other food industries (5,6), pharmaceutical industries (7), pulp and paper industry (8), biotechnological industries (9)(10)(11), chemical processing industries (12,13), effluent treatment (14)(15)(16)(17), desalination of brackish and sea water (18)(19)(20), etc.…”

Section: Please Scroll Down For Articlementioning

confidence: 99%

Development, Characterization and Performance Evaluation of Positively-Charged Thin Film-Composite Nanofiltration Membrane Containing Fixed Quaternary Ammonium Moieties

Dey¹,

Bindal²,

Prabhakar³

et al. 2011

Separation Science and Technology

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Thin film composite (TFC) type positively-charged nanofiltration membranes, bearing fixed quaternary ammonium moieties, have been developed and studied. Branched polyethyleneimine (PEI) was functionalized by reaction with glycidyl trimethyl ammonium chloride (GTACl) to introduce quaternary ammonium chloride. Positively-charged TFC membranes were prepared by in situ interfacial polymerization of functionalized PEI and terephthaloyl chloride. The effects of variation of chemical compositions and other experimental conditions such as curing temperature and duration of curing on the performances of the membrane were studied. ATR FT-IR spectroscopy was done to establish the presence of charge-bearing groups in the membrane. The membranes were tested using single solute feed solutions of NaCl, Na 2 SO 4 , CaCl 2 , and MgSO 4 . Positive charges on the membranes were estimated in terms of their ionexchange capacities (IEC). The values were also correlated to the solute-rejection properties of the membranes.

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“…These processes offer effective alternatives to dyehouse effluent treatment [14]. Nanofiltration (NF) membranes have been increasingly used for various water treatment applications [15][16][17].…”

Section: Application Of Nanofiltration For Dyebath Treatmentmentioning

confidence: 99%

Decolorization of reactive dyebath containing high exhaust and low salt dyes by nanofiltration and its reuse

Vishnu

Joseph

2008

Environ. Prog.

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Nanofiltration (NF) is a relatively new field in membrane technology, which has the potential to be the front-runner in management of reactive dyeing effluents with respect to removal of color to enable reuse of salt. This paper discusses the performance of NF-270-2540 FILMTEC NF membrane for color removal and salt recovery from exhausted reactive dyebaths. Simulated dyebaths containing high exhaust (CI Red 120, CI Yellow 84 and CI Blue 4) and low salt (Cibacron Red LS6G, Yellow LSR, Blue LSG) reactive dyes were prepared for light, medium, and dark shades. The dye retention decreased at high salt concentrations of 60 and 90 g/L. The chemical oxygen demand (COD) and total organic carbon removal efficiency was in the range of 80-90%. The permeate flux significantly decreased beyond a salt concentration of 40 g/L. The reusability studies on the recovered permeate showed that it could be reused for light, medium, and dark shades.

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Electro-nanofiltration of a textile direct dye solution

Cited by 26 publications

References 17 publications

Electrically and Electrochemically Assisted Nanofiltration: A Promising Approach for Fouling Mitigation

Electrically and Electrochemically Assisted Nanofiltration: A Promising Approach for Fouling Mitigation

Development, Characterization and Performance Evaluation of Positively-Charged Thin Film-Composite Nanofiltration Membrane Containing Fixed Quaternary Ammonium Moieties

Decolorization of reactive dyebath containing high exhaust and low salt dyes by nanofiltration and its reuse

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