Sorption of Some Rare Earth Elements from Acidic Solution onto Poly(acrylic acid-co-acrylamide/16, 16-dimethylheptadecan-1-amine) Composite

被引：20
作者：
Ali, A. H. [1 ]
Dakroury, G. A. [2 ]
Hagag, M. S. [1 ]
Abdo, Sh M. [1 ]
Allan, K. F. [2 ]
机构：
[1] Nucl Mat Author, PO 530, Cairo, Egypt
[2] Egyptian Atom Energy Author, Nucl Chem Dept, Hot Labs Ctr, PO 13759, Cairo, Egypt
来源：
JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2022年 / 30卷 / 03期
关键词：
Polymer composites; Rare earth elements; Monazite; Sorption; Adsorption kinetics; Isotherm; LIQUID-LIQUID-EXTRACTION; AQUEOUS-SOLUTIONS; ADSORPTION; REMOVAL; NANOPARTICLES; IONS; SEPARATION; RECOVERY; PRECONCENTRATION; DESORPTION;
D O I：
10.1007/s10924-021-02271-7
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this study, Acrylic acid (AA), acrylamide (AM), and 16,16-dimethylheptadecan-1-amine (PJM-T) were copolymerized using gamma irradiation with Co-60 gamma-rays at a dose of 25 KGy to form a novel composite; Poly(acrylic acid-co-acrylamide/16,16-dimethylheptadecan-1-amine P(AA-co-AM/PJM-T). P(AA-co-AM/PJM-T) is characterized by different physicochemical techniques and used as a sorbent for rare earth elements from monazite. The optimum pH for the sorption process at 25 celcius is 4.5 and the equilibrium attained at 60 min. Different kinetics and isothermal models is applied. The maximum adsorption capacity is 182.15 +/- 3.73 mg g(-1) at 25 celcius. The sorption reaction regulates a pseudo 2nd order mechanism and the process is spontaneous.
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收藏
页码：1170 / 1188
页数：19
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