从FGD残渣中制备α型半水石膏结晶机理的研究 |
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引用本文: | 胥桂萍,童仕唐.从FGD残渣中制备α型半水石膏结晶机理的研究[J].吉林化工学院学报,2002,19(1). |
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作者姓名: | 胥桂萍 童仕唐 |
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作者单位: | 1. 华中理工大学,汉口分校,化学工程系,湖北,武汉,430012 2. 武汉科技大学,化学与资源环境学院,化学工程系,湖北,武汉,430081 |
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摘 要: | 借助差示微分扫描量热仪等分析手段 ,得出了溶液结晶法从烟气脱硫残渣中制备α型半水石膏的结晶机理 :烟气脱硫石膏首先经过脱水生成 β型半水石膏 ,再由 β型半水石膏转化为α型半水石膏
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关 键 词: | 烟气脱硫残渣 α型半水石膏 结晶机理 |
Study on mechanism of crystallization of flue gas desulfurization sludge waste into α-form calcium sulfate hemihydrate |
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Abstract: | The mechanism of crystallization of flue gas desulfurization sludge waste into α form calcium sulfate hemihydrate through differential scanning calorimetry(DSC) is obtained. The FGD gypsum is converted into β form hemihydrate at first, and then β form hemihydrate is converted into α form hemihydrate. |
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Keywords: | flue gas desulfurization sludge α form calcium sulfate hemihydrate mechanism of crystallization |
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