The Color Pollution Removal (Acid Red 88) of Industrial Waste Waters by Electrocoagulation Method

The Color Pollution Removal (Acid Red 88) of Industrial Waste Waters by Electrocoagulation Method

Chalak Azimi

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Hassan Zhian

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Bahrooz Khezry

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Islamic Azad University, Tehran

The Color Pollution Removal (Acid Red 88) of Industrial Waste Waters by Electrocoagulation Method

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Abstract

The aim of this study was to investigate the decolorization of Acid Red 88 (AR88) using electrocoagulation and photo electrocoagulation techniques. Chemical dyes have the most practical usage in different industries, having an essential role in most water industries, they have a high solubility in water, thus, water wastes contain a high level of these dyes. An effective way of eliminating these dyes is electrocoagulation The effect of operational parameters such as initial dye concentration, electrolysis time and electrolyte concentration was studied. The electrochemical cell comprised Al as cathode and Fe as anode which were placed inside a container having a low pressure mercury lamp at the top. 40 mg.L-1 of dye solution was withdrawn for each experiment and after adjusting the electrode distance to 15 mm, current density to 41.8 A m-2, different electrolytes at varying concentrations were added and the absorbance was measured at several reaction times. The results showed that electrocoagulation was more effective than photo electro-coagulation using NaBr, KBr, NaCl and KClaselectrolytes and decolorization rate increased with increasing electrolyte concentration. Also the coupled system with NaF electrolyte showed better decolorization rate than electrocoagulation, but the decolorization rate was higher at low concentrations of electrolyte. Therefore, it is concluded that electrocoagulation was more effective than coupled system in most cases and type of electrolyte plays an important role since employed NaCl/KCl would enhance the decolorization rate considerably.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Chalak Azimi. 2014. \u201cThe Color Pollution Removal (Acid Red 88) of Industrial Waste Waters by Electrocoagulation Method\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 14 (GJSFR Volume 14 Issue B3): .

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GJSFR Volume 14 Issue B3
Pg. 29- 35

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

and dyes solved in water and elimination of industrial dyes electrocoagulation industrial water wastes containing dyes red acid 88

Submission ReceivedMay 24, 2014
Peer Review Double Blind
Handling Editor
Accepted June 19, 2014
Published July 1, 2014

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June 21, 2014

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Article Matrices

Total Score: 83

Country: Iran

Subject: Global Journal of Science Frontier Research - B: Chemistry

Authors: Hassan Zhian, Bahrooz Khezry, Chalak Azimi (PhD/Dr. count: 0)

View Count (all-time): 175

Total Views (Real + Logic): 4627

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Publish Date: 2014 06, Sat

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Total Views: 4627

Total Downloads: 2437

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