A NEW METHOD FOR TREATMENT THE WASTEWATERS WHICH CONTAIN HEAVY METALS BY USING CHITOSAN BIOPOLYMER

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BABAPOUR AZIZ; AHMADI SABEGH MEHDI; ALIZADEH KHODAVERDI

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Journal: THE APPLICATION OF CHEMISTRY IN ENVIRONMENT Year:2010 | Volume:1 | Issue:2 Page(s): 15-21

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Title

A NEW METHOD FOR TREATMENT THE WASTEWATERS WHICH CONTAIN HEAVY METALS BY USING CHITOSAN BIOPOLYMER

Author(s)

BABAPOUR AZIZ | AHMADI SABEGH MEHDI | ALIZADEH KHODAVERDI | Issue Writer Certificate

Keywords

CHITOSANQ2

HYDROGEL BEADSQ3

ADSORPTIONQ3

CD2+Q3

Abstract

In this study CHITOSAN HYDROGEL BEADS with porosity ~ 0.86 and diameter ~ 2±0.07 mm were prepared from 85% deacetylated CHITOSAN for removal of Cd2+ ions from aqueous solutions. CHITOSAN powder was dissolved into dilute acetic acid as solvent and formed into spherical beads using a phase inversion technique. The effect of temperature, initial concentration of Cd2+ ions, and the period of agitation were perused to achieve the best isotherm model. Kinetic studies of the ADSORPTION phenomena were conducted in a batch system by initial concentrations from 100 to 500 mgL-1 until the equilibrium concentration Ce (mgL-1) was reached. To investigate the surface morphology of the CHITOSAN beads before and after ADSORPTION process, they were observed by the use of Scanning Electron Microscopy (SEM). The surface characterization of the beads .in both cases showed metal ions binding toward the surface of porous CHITOSAN beads. All of the experiments carried out at pH of 6.3 and agitation rate of 200 rpm. Results show that wastewater treatment by Biopolymers is possible and may compete and/or replace the prevailing conventional methods.

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APA: Copy

BABAPOUR, AZIZ, AHMADI SABEGH, MEHDI, & ALIZADEH, KHODAVERDI. (2010). A NEW METHOD FOR TREATMENT THE WASTEWATERS WHICH CONTAIN HEAVY METALS BY USING CHITOSAN BIOPOLYMER. THE APPLICATION OF CHEMISTRY IN ENVIRONMENT, 1(2), 15-21. SID. https://sid.ir/paper/236321/en

Vancouver: Copy

BABAPOUR AZIZ, AHMADI SABEGH MEHDI, ALIZADEH KHODAVERDI. A NEW METHOD FOR TREATMENT THE WASTEWATERS WHICH CONTAIN HEAVY METALS BY USING CHITOSAN BIOPOLYMER. THE APPLICATION OF CHEMISTRY IN ENVIRONMENT[Internet]. 2010;1(2):15-21. Available from: https://sid.ir/paper/236321/en

IEEE: Copy

AZIZ BABAPOUR, MEHDI AHMADI SABEGH, and KHODAVERDI ALIZADEH, “A NEW METHOD FOR TREATMENT THE WASTEWATERS WHICH CONTAIN HEAVY METALS BY USING CHITOSAN BIOPOLYMER,” THE APPLICATION OF CHEMISTRY IN ENVIRONMENT, vol. 1, no. 2, pp. 15–21, 2010, [Online]. Available: https://sid.ir/paper/236321/en

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