Solvothermal Synthesis of Nickel Glycolate Polymer and NiO Microtubes and Their Cr(VI) Absorbing Properties

Chang Fa Guo; Yu Liu; Yong Hu; Hang Ming Guo; Yun Long Xie

doi:10.4028/www.scientific.net/AMR.465.210

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 465Solvothermal Synthesis of Nickel Glycolate Polymer...

Solvothermal Synthesis of Nickel Glycolate Polymer and NiO Microtubes and Their Cr(VI) Absorbing Properties

Abstract:

In this work, nickel glycolate polymer microtubes (NGPMs) were prepared via a facile solvothermal method using hydrous nickel nitrate and anhydrous sodium acetate as starting materials, and ethylene glycol as solvent. Furthermore, nickel oxide (NiO) microtubes were obtained by a high-temperature treatment of NGPMs in air atmosphere. The morphology and phase of the products were characterized by scanning electron microscope (SEM), Transmission electron microscope (TEM) and X-ray diffractometer (XRD). The results show that NGPMs are of hierarchical structure, which are composed of a lot of nanolamellas. The morphology of NiO microtubes directly derived from that of NGPMs. In addition, the experiments were conducted with atomic absorption spectrometer for adsorption of Cr2O72- in ultrapure water using these microtubes obtained as absorbers. The results reveal that NGPMs obviously possess a better ability of chromium absorption with a maximum absorbing value of 14.6 mg/g at pH of 4 than NiO microtubes. Thus, the as-prepared of NGPMs may be promising as a new type of absorber for heavy metal ion for water treatment.

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Periodical:

Advanced Materials Research (Volume 465)

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210-214

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https://doi.org/10.4028/www.scientific.net/AMR.465.210

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Online since:

February 2012

Authors:

Chang Fa Guo, Yu Liu, Yong Hu, Hang Ming Guo, Yun Long Xie

Keywords:

Microtube, Nickel Glycolate Polymer, NiO, Water Treatment

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