Authors:
L. Qian The School of Life Science and Environmental Science, Huangshan University, Huangshan, 245041 People’s Republic of China

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M. Ma The School of Life Science and Environmental Science, Huangshan University, Huangshan, 245041 People’s Republic of China

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J. Wei The School of Life Science and Environmental Science, Huangshan University, Huangshan, 245041 People’s Republic of China

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D. He The School of Life Science and Environmental Science, Huangshan University, Huangshan, 245041 People’s Republic of China

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D. Cheng The School of Life Science and Environmental Science, Huangshan University, Huangshan, 245041 People’s Republic of China

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Abstract  

Sequestration of radioactive nickel (63Ni2+) in fly ash coming from hospital wastes incineration plant by incorporating nano-goethite as a function of pH, particle size and the ratio of solid and liquid was investigated under the batch leaching experiments. The synthetic nanogoethite was characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and specific surface area (SSA). The admired needle nanogoethite was obtained in terms of XRD, TEM and SSA analysis. Approximate 5% of 63Ni2+ was desorbed from the nanogoethite/fly ash composite under the circum natural pH conditions. The ratio of solid to liquid has little effect on desorption of 63Ni2+ from nanogoethite/fly ash composite. These results indicate that the radioactive nickel in fly ash can be sequestrated by incorporating nanogoethite. The results may play significantly a role in immobilization in situ of trace radionuclides in the natural environment.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)