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Alginate and alginate-zeolite beads for removal of cadmium present in water

被引：1
|
作者：
Cosme-Torres, I. [1 ]
Macedo-Miranda, M. G. [1 ]
Ibarra-Escutia, P. [1 ]
Manjarrez-Olvera, M. [1 ]
Albiter-Lopez, V. [1 ]
Trujillo-Segura, A. [1 ]
机构：
[1] Inst Tecnol Toluca, Tecnol Nacl Mexico, Ave Tecnol S-N,Colonia Agr Bellavista, Metepec 52149, Mexico
来源：
MRS ADVANCES | 2020年 / 5卷 / 62期
关键词：
HEAVY-METAL IONS; CLINOPTILOLITE;
D O I：
10.1557/adv.2020.393
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The use of ALG beads and ALG-ZEO beads for the removal of Cd2+ was evaluated in a batch system, was determined the effect of pH, kinetics and adsorption isotherm. The characterization was carried out by FTIR, SEM and EDS. The EDS analysis showed that the main elements are C, O and Ca, these are associated with the chemical composition of alginate while the ALG-ZEO bead showed characteristic crystals of the zeolite. Cd2+ adsorption was carried out at pH 6 using ALG beads and ALG-ZEO beads as adsorbent. The suggested mechanism to explain the removal of the Cd2+ ion was is through a chemisorption process. Finally the adsorption process was adjusted to kinetic and isotherm models.
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页码：3247 / 3256
页数：10
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