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Information Journal Paper

Title

REMOVAL OF 2, 4-DICHLOROPHENOXYACETIC ACID (2, 4-D) FROM AQUEOUS ENVIRONMENTS USING SINGLE-WALLED CARBON NANOTUBES

Pages

  39-46

Abstract

 Background: 2, 4-DICHLOROPHENOXYACETIC ACID (2, 4-D) is a widely used herbicide known to be moderately toxic. Extensive use and poor biodegradability of 2, 4-D has resulted in its ubiquitous presence in the environment, and has led to contamination of surface and ground waters.Objectives: At present study, single-walled CARBON NANOTUBES (SWCNTs) were used for the sorption of 2, 4-D from aqueous solutions.Materials and Methods: The effect of various operating parameters such as initial concentration of 2, 4-D, contact time, adsorbent dosage, and pH were investigated. Equilibrium isotherms were used to identify the possible mechanism of the ADSORPTION process.Results: Maximum ADSORPTION capacity of the SWCNTs was 979.6 mg/g at pH5, contact time 45 min, initial concentration of 5000 mg/L, and 23±2oC temperatures, when 97.96% of 2, 4-D herbicide were removed. The ADSORPTION equilibriums were analyzed by Langmuir and Freundlich isotherm models. It was found that the data fitted to Langmuir (R2=0.9987) better than Freundlich (R2=0.9727) model.Conclusions: According to achieved results, it was defined that SWCNTs is a quite effective adsorbent in removal of 2, 4-D from aqueous environments.

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    APA: Copy

    BAZRAFSHAN, EDRIS, KORD MOSTAFAPOUR, FERDOS, FARIDI, HAMED, FARZADKIA, MAHDI, SARGAZI, SHAHNAZ, & SOHRABI, ALI. (2013). REMOVAL OF 2, 4-DICHLOROPHENOXYACETIC ACID (2, 4-D) FROM AQUEOUS ENVIRONMENTS USING SINGLE-WALLED CARBON NANOTUBES. HEALTH SCOPE, 2(1), 39-46. SID. https://sid.ir/paper/330337/en

    Vancouver: Copy

    BAZRAFSHAN EDRIS, KORD MOSTAFAPOUR FERDOS, FARIDI HAMED, FARZADKIA MAHDI, SARGAZI SHAHNAZ, SOHRABI ALI. REMOVAL OF 2, 4-DICHLOROPHENOXYACETIC ACID (2, 4-D) FROM AQUEOUS ENVIRONMENTS USING SINGLE-WALLED CARBON NANOTUBES. HEALTH SCOPE[Internet]. 2013;2(1):39-46. Available from: https://sid.ir/paper/330337/en

    IEEE: Copy

    EDRIS BAZRAFSHAN, FERDOS KORD MOSTAFAPOUR, HAMED FARIDI, MAHDI FARZADKIA, SHAHNAZ SARGAZI, and ALI SOHRABI, “REMOVAL OF 2, 4-DICHLOROPHENOXYACETIC ACID (2, 4-D) FROM AQUEOUS ENVIRONMENTS USING SINGLE-WALLED CARBON NANOTUBES,” HEALTH SCOPE, vol. 2, no. 1, pp. 39–46, 2013, [Online]. Available: https://sid.ir/paper/330337/en

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