Experimental Study of Wastewater Treatment of Reactive Dye
Experimental Study of Wastewater Treatment of Reactive Dye by Phys-Chemistry Method Article in Journal of China University of Mining and Technology 17(1):96-100 · March 2007 with 8 Reads
Figure Figure10 10 plots the removal potential of acid red synthetic dye as a function of dye concentration utilizing two methods of wastewater treatment. As can be seen, at operating conditions of p = 10 bars, pH = 8.3, and T = 39°C, the membrane method has the higher dye rejection with 98.5% for RO and 93.3% for NF.
Wastewater treatment of reactive dyestuffs by ozonation
According to the procedure followed by Gregory Knitting Mills PTY Limited, a domestic textile dye house in Johannesburg, the synthetic wastewater was arranged by dissolving each dye in various concentrations to replicate un-rinsed dye bathes and in the form of diluted factory wastewaters .. Table 1 lists the physicochemical properties of the reactive dyes selected for the present study.
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Dye wastewater treatment: Removal of reactive dyes using
Background: Wastewater contaminated with dyes such as Reactive Blue 203 can produce a lot of health problems if it is released into the environment without a suitable treatment.
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Experimental study of dye removal from industrial
Currently, biological method has been utilized in the treatment of wastewater -containing synthetic dyes used by textile industries in Iraq. The present work was devoted to study the operating feasibility using reverse osmosis (RO) and nanofiltration (NF) membrane systems as an alternative treatment method of wastewater discharged from Iraqi textile mills. Acid red, reactive black and reactive
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Advanced treatment of dyeing wastewater for reuse
Advanced treatment of dyeing wastewater for reuse. Author links open 6.3 38.1 4.7 34.3 25.4 10 ww* -Reactive dye wastewater sample ww** -Acid dye wastewater sample The results showed that under the extended aeration condition, the BOD removals of 92.3% for reactive dye wastewater and 73.3% for acid dyeing wastewater were achieved, but only
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Experimental Study of Dye Removal from Industrial
Experimental Study of Dye Removal from Industrial Wastewater by Membrane Technologies of Reverse Osmosis and Nanofiltration.pdf Available via license: CC BY 2.0 Content may be subject to copyright.
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Water | Free Full-Text | Dye Waste Treatment | HTML
Wastewater treatment using ultrasound (US) was investigated . The pollutants to be removed were reactive azo dyes, phenol and trichloroethylene. The cost of wastewater treatment for reactive azo dyes was in the range of $65 per 1,000 gallon for US + UV + H 2 O 2 to $14,203 per gallon for US alone.
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Treatment of synthetic textile wastewater containing dye
The aim was to assess the ability of microcosms (laboratory-scale shallow ponds) as a post polishing stage for the remediation of artificial textile wastewater comprising two commercial dyes (basic red 46 (BR46) and reactive blue 198 (RB198)) as a mixture. The objectives were to evaluate the impact of Lemna minor L. (common duckweed) on the water quality outflows; the elimination of dye
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Basic and Reactive Dye Removal Using Natural and Modified
The adsorption of the dyes Basic Red 46 (BR46) and Reactive Yellow 176 (RY176) from aqueous solution onto natural and modified zeolites has been investigated. The surfactants cetyltrimethylammonium bromide (CTAB) and hexadecyltrimethylammonium bromide (HDTMA) were used to modify the zeolite surface, and Fourier transform infrared spectroscopy (FTIR) spectral analysis was used to confirm the
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Treatment on dye industrial wastewater by using adsorption
The dye removal capacity of the two reactive red dyes decreased with increasing pH. The zero point charge for the sludge carbon was 9.0 and 7.0 for the two dyes, respectively. Batch kinetic data investigations on the removal of reactive dyes using tannery sludge activated carbon have been well described by the lagergren plots. It was
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Biological Treatment of Reactive Dye in Textile Industry
Dye concentration was used to prepare dye solution of concentration 50, 100, 150 and 200 mg/L in reactors R1, R2, R3 and R4, as synthetic dye waste water. Experimental Set-up: In this study…
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Factorial Experimental Design for Reactive Dye
Fig. 1. Schematic diagram of flocculation of reactive dye wastewater. 2.4. Experimental design In present study, five factors e.g. concentration of dye, pH, dosage of composite polymer, agitation speed and agitation time were taken into account to investigate their effects on colour removal (%) using a 25-1 fractional factorial design. Table 1
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Current Situation and Problems of MBR Treatment Process
Through analysis and summary, the MBR treatment process in dye wastewater should focus on solving the problem of removal of the final product. The effective combination of MBR technology and other chemical and physical treatment processes can provide important guiding significance for the future dye wastewater from the end treatment to the
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Textile Wastewater Treatment for Water Reuse: A Case Study
The reduced natural waters and the large amount of wastewater produced by textile industry necessitate an effective water reuse treatment. In this study, a combined two-stage water reuse treatment was established to enhance the quality and recovery rate of reused water. The primary treatment incorporated a flocculation and sedimentation system, two sand filtration units, an ozonation unit, an
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Water | Free Full-Text | Dye Waste Treatment | HTML
Wastewater treatment using ultrasound (US) was investigated . The pollutants to be removed were reactive azo dyes, phenol and trichloroethylene. The cost of wastewater treatment for reactive azo dyes was in the range of $65 per 1,000 gallon for US + UV + H 2 O 2 to $14,203 per gallon for US alone.
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Removal of Reactive Dye from Textile Mill Wastewater
The main purpose of this work is to study the electro coagulation process efficiency for treatment real waste water from a local factory which used reactive dyes and determined of the important variables such as electrical current, initial pH on removal dye . 2. Material and Method. 2.1. Analytical Measurements
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Treatment of synthetic textile wastewater containing dye
The aim was to assess the ability of microcosms (laboratory-scale shallow ponds) as a post polishing stage for the remediation of artificial textile wastewater comprising two commercial dyes (basic red 46 (BR46) and reactive blue 198 (RB198)) as a mixture. The objectives were to evaluate the impact of Lemna minor L. (common duckweed) on the water quality outflows; the elimination of dye
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Basic and Reactive Dye Removal Using Natural and Modified
The adsorption of the dyes Basic Red 46 (BR46) and Reactive Yellow 176 (RY176) from aqueous solution onto natural and modified zeolites has been investigated. The surfactants cetyltrimethylammonium bromide (CTAB) and hexadecyltrimethylammonium bromide (HDTMA) were used to modify the zeolite surface, and Fourier transform infrared spectroscopy (FTIR) spectral analysis was used to confirm the
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causes generation of waste water in industry. 2. Material and Methodology 2.1 Preparation of Stock solution of Reactive Red Reactive Dyes are widely used in cotton industries. Synthetic samples were prepared by weighing 10 mg of the reactive dye powder and dissolved in 500 ml of water as per experimental requirements.
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Adsorption of Reactive Dyes on Activated Carbon Developed
reactive dyes as a result of their high solubility and low biodegradability [5]. Adsorption process is an attractive and effective al- ternative treatment for dye removal from wastewater. There are many advantages of adsorption process, such as less land area (half or a quarter of what is required in a
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Factorial Experimental Design for Reactive Dye
Fig. 1. Schematic diagram of flocculation of reactive dye wastewater. 2.4. Experimental design In present study, five factors e.g. concentration of dye, pH, dosage of composite polymer, agitation speed and agitation time were taken into account to investigate their effects on colour removal (%) using a 25-1 fractional factorial design. Table 1
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Textile Wastewater Treatment for Water Reuse: A Case Study
The reduced natural waters and the large amount of wastewater produced by textile industry necessitate an effective water reuse treatment. In this study, a combined two-stage water reuse treatment was established to enhance the quality and recovery rate of reused water. The primary treatment incorporated a flocculation and sedimentation system, two sand filtration units, an ozonation unit, an
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The Change from Past to Future for Adsorbent Materials
The research on dyeing wastewater treatment has been often focused on reactive dyes for three main reasons: (i) reactive dyes represent an increasing market share, because they are used to dye cotton fibers, which makes up about half of the world’s fiber consumption; (ii) a large fraction, typically around 30% of the applied reactive dyes, is
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Textile dye wastewater treatment using freshwater algae
The present study was conducted for the treatment of textile dye wastewater containing reactive dye and removal of reactive blue 19 from synthetic dye solution using freshwater algae (Spirulina platensis) in a packed-bed up-flow column.The breakthrough curves were drawn for various bed heights (5, 7.5, and 10 cm) and flow rates (4, 8, and 12 mL/min).
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Study on the Treatment of High Concentration Reactive Dye
A very effective combined process that included flocculation, oxidation, CRMO-coagulation and adsorption was studied in reactive dye wastewater treatment. The results showed that the total removal efficiencies of COD and colourity were 98.1% and 99.9% respectively. The process was characterized with operation flexibility and reliability and the equipment simplicity.
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Adsorption of Reactive Dyes on Activated Carbon Developed
reactive dyes as a result of their high solubility and low biodegradability [5]. Adsorption process is an attractive and effective al- ternative treatment for dye removal from wastewater. There are many advantages of adsorption process, such as less land area (half or a quarter of what is required in a
Get Price
Textile Wastewater Treatment for Water Reuse: A Case Study
The reduced natural waters and the large amount of wastewater produced by textile industry necessitate an effective water reuse treatment. In this study, a combined two-stage water reuse treatment was established to enhance the quality and recovery rate of reused water. The primary treatment incorporated a flocculation and sedimentation system, two sand filtration units, an ozonation unit, an
Get Price
Factorial Experimental Design for Reactive Dye
Fig. 1. Schematic diagram of flocculation of reactive dye wastewater. 2.4. Experimental design In present study, five factors e.g. concentration of dye, pH, dosage of composite polymer, agitation speed and agitation time were taken into account to investigate their effects on colour removal (%) using a 25-1 fractional factorial design. Table 1
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A green approach for the treatment of dye and surfactant
In a recent study, similar results were shown by Melo et al. (2024) and this study was focused on removal of Reactive Blue 14 dye by ionic flocculation of surfactants. In the current study, the dye removal by flocculation process and by only fungal biomass without surfactant calculated as 98.88% and 2.86%, respectively at pH 3 ( Figure 4 ).
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EXPERIMENTAL STUDIES ON THE TREATMENT OF PRINTING INK
In this study,using ferrous sulfate as a flocculant,PAM as a flocculant to the Fengcheng ink factory waste water produced by coagulation pretreatment of raw wastewater COD is 642～750 mg·L-1,pH 6.5～7.5,chroma of 1 000～1 200 times,by experiment to determine the optimum conditions: initial pH=10,FeSO4 dosage of 2 g·L-1,and PAM for 1 mL·L-1(1%),mixing time of 60 min,the original waste
Get Price- What is an anionic polyacrylamide?
- Anionic polyacrylamides make up the largest portion of the polyacrylamide market. The polymers can be prepared over a wide range of anionic charges and molecular weights (1000 to > 20,000,000 molecular weight). The workhorse comonomer for the production of anionic polyacrylamides is acrylate salts of acrylic acid.
- Does anionic polyacrylamide biodegrade?
- ent only.1 BACKGROUNDAnionic polyacrylamide is the copolymer of acryl mide and acrylic acid. No studies on the environmental fate of polyac ylamide are available. As a high-molecular weight, water-soluble polymer, it is not expected to biode rade or bioaccumulate. Anionic polyacrylamide has a low acute toxicity concer
- Which comonomer is used for the production of anionic polyacrylamides?
- The workhorse comonomer for the production of anionic polyacrylamides is acrylate salts of acrylic acid. These anionic polymers can be prepared as various mono- and divalent metal salts and other positively charged inorganic and organic counterions of the polymerization of acrylic acid with acrylamide (see Fig. 34.4 ).
- Is anionic Polyacrylamide a Tier 1 chemical?
- limisch et al., 1997).Screening Assessment Conclusion – Anionic polyacrylamide is a olymer of low concern. Therefore, it is classified as a tier 1 chemical and requires a ent only.1 BACKGROUNDAnionic polyacrylamide is the copolymer of acryl mide and acrylic acid. No studies on the environmental fate of polyac
