Removal of Ni(II), Cu(II), and Zn(II) ions from aqueous solution using Tetraselmis sp biomass modified with silica-coated magnetite nanoparticles

被引：13

作者：

Buhani ^{[1
]}

Rinawati ^{[1
]}

Suharso ^{[1
]}

Yuliasari, Dewa Putu ^{[1
]}

Yuwono, Suripto Dwi ^{[1
]}

机构：

[1] Univ Lampung, Fac Math & Nat Sci, Dept Chem, Jl Soemantri Brojonegoro 1, Bandar Lampung 35145, Indonesia

来源：

DESALINATION AND WATER TREATMENT | 2017年 / 80卷

关键词：

Tetraselmis sp; Adsorption-desorption; Silica-coated magnetite; Heavy metals; HEAVY-METAL IONS; ATOMIC-ABSORPTION-SPECTROMETRY; ULVA-LACTUCA; WASTE-WATER; COPPER IONS; ALGAL BIOMASS; BIOSORPTION; ADSORPTION; ADSORBENT; EQUILIBRIUM;

D O I：

10.5004/dwt.2017.20932

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Modification of algae-silica (AS) hybrid material from Tetraselmis sp. biomass (AS) was performed through a sol-gel simultaneous process and coated with Fe3O4 magnetite nanoparticles (MNPs). Algae-silica hybrid material from Tetraselmis sp. biomass-coated MNPs (AS-MNPs) were used as adsorbents of heavy metal ions. The adsorption processes of Ni(II), Cu(II), and Zn(II) ions with AS and algae-silica-magnetite nanoparticles (AS-MNPs) fit pseudo-second-order kinetic models. The rate constant and adsorption capacity of Ni(II), Cu(II), and Zn(II) ions for AS-MNPs obtained from these experiments were higher than those of AS. AS-MNPs material is an effective adsorbent and can be used to absorb heavy metal ions in solution.

引用

页码：203 / 213

页数：11

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