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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X09339952
|2 doi
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|a pubmed25n0637.xml
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|a DE-627
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|a eng
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|a Liu, Ren-ping
|e verfasserin
|4 aut
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|a The chemical and oxidation characteristics of semi-dry flue gas desulfurization ash from a steel factory
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 26.01.2011
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|a Date Revised 21.09.2015
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Some samples of semi-dry flue gas desulfurization (FGD) ash were taken from sinter gas of a steel factory. Scanning electron microscope (SEM) and X-ray diffraction (XRD) analyses were employed to identify the samples in order to investigate their physical and chemical characteristics. The results show that semi-dry FGD ash from a steel factory is stable under atmospheric conditions. It has irregular shape, a smooth surface and loose construction. The size of FGD ash particles is around 0.5-25 µm, the average size is about 5 µm and the median diameter is 4.18 µm. Semi-dry FGD ash from a steel factory consists of CaSO₃, CaSO₄, CaCO₃, some amorphous vitreous material and unburned carbon. An experimental method was found to study the oxidation characteristics of ash. A prediction model of the oxidation efficiency was obtained based on response surface methodology. The results show that not only the temperature, but also gas:solid ratio, play an important role in influencing the oxidation efficiency. The interactions of the gas:solid ratio with temperature play an essential role. An improved response surface model was obtained which can be helpful to describe the degree of oxidation efficiency of semi-dry FGD ash
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Industrial Waste
|2 NLM
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|a Steel
|2 NLM
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|a 12597-69-2
|2 NLM
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|a Guo, Bin
|e verfasserin
|4 aut
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|a Ren, Ailing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bian, Jing-feng
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 28(2010), 10 vom: 01. Okt., Seite 865-71
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g volume:28
|g year:2010
|g number:10
|g day:01
|g month:10
|g pages:865-71
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|u http://dx.doi.org/10.1177/0734242X09339952
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