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Glass-ceramics made from arc-melting slag of waste incineration fly ash
  • ISSN号:1005-9784
  • 期刊名称:中南工业大学学报(英文版)
  • 时间:0
  • 页码:1945-1952
  • 语言:中文
  • 分类:TQ171.733[化学工程—玻璃工业;化学工程—硅酸盐工业] TF741.5[冶金工程—钢铁冶金]
  • 作者机构:[1]Department of Energy and Mechanics Engineering, Tianjin Institute of Urban Construction, Tianjin 300384, China
  • 相关基金:Project(20806051) supported by the National Natural Science Foundation of China; Project(20080440680) supported by China Postdoctoral Science Foundation
  • 相关项目:利用垃圾焚烧飞灰电弧炉熔渣制取微晶玻璃的晶化行为研究
中文摘要:

刺激苍蝇灰和与玻璃混合的使流体化的床苍蝇灰废玻璃添加剂分别地在电子弧炉子被融化。产品,融化弧的炉渣,被压碎进一步对待,紧迫并且加热处理以便做眼镜陶艺。生产眼镜陶艺的结晶化行为被微分热分析(DTA ) 检验, X 光检查 diffractometry (XRD ) 和扫描电子显微镜学(SEM ) 。结果显示出眼镜陶艺的那个主要水晶的阶段从刺激苍蝇灰与透辉石的小数量是硅灰石( CaSiO3 )( Ca ( Mg ,艾尔)( Si ,艾尔) 2O6 ),并且从使流体化的床,苍蝇灰是透辉石( Ca ( Mg ,艾尔)( Si ,艾尔) 2O6 )。它被发现在 850 点的眼镜陶艺 sintered

英文摘要:

Grate fly ash and fluidized bed fly ash mixed with glass cullet additive respectively were melted in the electronic arc-furnace. The product, arc-melting slag, was further treated by crushing, pressing and heat treatment in order to make the glass-ceramics. The crystallization behaviors of the produced glass-ceramics were examined by differential thermal analysis (DTA), X-ray diffractometry (XRD) and scanning electron microscopy (SEM). Results show that main crystalline phase of the glass-ceramics fi'om grate fly ash is wollastonite (CaSiO3) with small amount of diopside (Ca(Mg,Al)(Si,Al)206), and that from fluidized bed fly ash is diopside (Ca(Mg,Al)(Si,Al)206). It is found that the glass-ceramics sintered at 850 ℃and 1 000℃ from grate fly ash and fluidized bed fly ash respectively have the optimal physical, mechanical and chemical characteristics. Glass-ceramics samples, produced from incinerator fly ash with desirable properties and the low leaching concentration of heavy metals, can be the substitute of nature materials such as marble, granite and porcelain tiles.

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