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On-line Access: 2008-03-27

Received: 2007-07-20

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.5 P.681~687

http://doi.org/10.1631/jzus.A072163


Utilization of fly ash from coal-fired power plants in China


Author(s):  Da-zuo CAO, Eva SELIC, Jan-Dirk HERBELL

Affiliation(s):  Waste Management Engineering, Department of Mechanical Engineering, University of Duisburg-Essen, Duisburg 47057, Germany

Corresponding email(s):   eva.selic@uni-due.de

Key Words:  Fly ash utilization, Aluminum recycling, Concrete, Chemical and physical analyses


Da-zuo CAO, Eva SELIC, Jan-Dirk HERBELL. Utilization of fly ash from coal-fired power plants in China[J]. Journal of Zhejiang University Science A, 2008, 9(5): 681~687.

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author="Da-zuo CAO, Eva SELIC, Jan-Dirk HERBELL",
journal="Journal of Zhejiang University Science A",
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pages="681~687",
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doi="10.1631/jzus.A072163"
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%T Utilization of fly ash from coal-fired power plants in China
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%DOI 10.1631/jzus.A072163

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T1 - Utilization of fly ash from coal-fired power plants in China
A1 - Da-zuo CAO
A1 - Eva SELIC
A1 - Jan-Dirk HERBELL
J0 - Journal of Zhejiang University Science A
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A072163


Abstract: 
The rapidly increasing demand for energy in China leads to the construction of new power plants all over the country. Coal, as the main fuel resource of those power plants, results in increasing problems with the disposal of solid residues from combustion and off gas cleaning. This investigation describes chances for the utilization of fly ash from coal-fired power plants in China. After briefly comparing the situation in China and Germany, the status of aluminum recycling from fly ash and the advantages for using fly ash in concrete products are introduced. chemical and physical analyses of Chinese fly ash samples, e.g., X-ray diffraction (XRD), ICP (Inductive Coupled Plasma) and particle size analysis, water requirement, etc. are presented. Reasonable amounts of aluminum were detected in the samples under investigation, but for recovery only sophisticated procedures are available up to now. Therefore, simpler techniques are suggested for the first steps in the utilization of Chinese fly ash.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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