REMOVAL OF HEAVY METALS Pb(II), Cd(II) AND Cu(II) FROM WASTE WATERS USING SYNTHESIZED CHROMIUM DOPED NICKEL OXIDE NANO PARTICLES

被引：16

作者：

Krishna, Y. V. S. Sai ^{[1
]}

Sandhya, G. ^{[1
]}

Babu, R. Ravichandra ^{[1
]}

机构：

[1] GITAM Deemed Univ, Dept Chem, Visakhapatnam 530045, Andhra Prades, India

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF ETHIOPIA | 2018年 / 32卷 / 02期

关键词：

Adsorption isotherms; BET; Adsorption efficiency; Batch equilibrium; Adsorption kinetics; COMBUSTION SYNTHESIS; AQUEOUS-SOLUTION; IONS; NANOPARTICLES; ADSORPTION; HYDROXYAPATITE; CONTAMINATION; CADMIUM; HAZARDS; ALUMINA;

D O I：

10.4314/bcse.v32i2.4

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Adsorption of metal ions Pb(II), Cd(II) and Cu(II) are observed on chromium doped nickel nano metal oxide. Chromium doped nickel oxide was synthesized by combustion technique using glycine as a fuel. In this work, transmission electronic microscopy (TEM), scanning electronic microscopy (SEM), X-ray diffraction (XRD) and Brunauer-Emmett-Teller (BET) are applied to study the composition and structure of chromium doped nickel oxide. Batch equilibrium experiments were performed to study the removal efficiency of heavy metal ions. The effects of different parameters such as contact time, pH and adsorbent dose on the adsorption process were investigated. The adsorption kinetics and adsorption isotherms studies were also performed. The formation of hydroxide on the surface of chromium doped nickel oxide could be the main factor of cations removal due to its high adsorption affinity for aqueous solutes. Chromium doped nickel oxide may offer a potential remediation method for the removal of metals from water and environment.

引用

页码：225 / 238

页数：14

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