Developing of a magnetite film of carboxymethyl cellulose grafted carboxymethyl polyvinyl alcohol (CMC-g-CMPVA) for copper removal

被引：0

作者：

Dahlan, Nuraina Anisa ^{[1
]}

Veeramachineni, Anand Kumar ^{[1
]}

Langford, Steven James ^{[1
,2
]}

Pushpamalar, Janarthanan ^{[1
]}

机构：

[1] Monash Univ Malaysia, Sch Sci, Jalan Lagoon Selatan, Bandar Sunway 47500, Selangor, Malaysia

[2] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia

来源：

CARBOHYDRATE POLYMERS | 2017年 / 173卷

关键词：

Copper removal; Copper adsorption; Magnetite nanoparticles; Grafted copolymer; Crosslinked carboxymethyl cellulose; HEAVY-METAL IONS; IRON-OXIDE NANOPARTICLES; AQUEOUS-SOLUTION; WASTE-WATER; ADSORPTION-KINETICS; FE3O4; NANOPARTICLES; CU(II) REMOVAL; ADSORBENT; NANOCOMPOSITES; ALGINATE;

D O I：

10.1016/j.carbpol.2017.06.008

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Crosslinked carboxymethyl cellulose grafted carboxymethyl polyvinyl alcohol (CMC-g-CMPVA) was loaded with modified magnetite iron oxide (Fe3O4) nanoparticles to synthesise a new and easily separable adsorbent for the removal of copper (II) ions from water. The novel adsorbents were characterised by the presence of the functional group, surface morphology, crystallinity and magnetic property. The equilibrium time from the adsorption studies was found to be less than 240 min for both film and bead forms while the rate of Cu2(+) removal decreased as the initial Cu2(+) concentration increased. In addition, CMC-g-CMPVA film loaded with Fe3O4/SiO2 nanoparticles was the best adsorbent with maximum adsorption capacity of 35.34 mg/g and exhibited a reusable potential. The properties exhibited by the new heterogeneous material is a promising adsorbent for the removal and recovery of copper (II) from wastewater. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：619 / 630

页数：12

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