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Application of Lime Mud for Preparation of Ceramsites
  
DOI：10.11980/j.issn.0254-508X.2017.03.014
Key Words:lime mud  ceramsite  light weight  porous
Fund Project:国家科技型中小企业技术创新基金——造纸碱回收苛化白泥渣综合利用生产装备产业化，编号11C26213201410；江苏省科技型中小企业技术创新基金——造纸碱回收苛化白泥渣资源化利用研究与产业化，编号BC2010156。
Author NameAffiliation
顾敏佳1 1.南京理工大学材料科学与工程学院，江苏南京，210094 
秦　娟1 1.南京理工大学材料科学与工程学院，江苏南京，210094 
崔　崇1,* 1.南京理工大学材料科学与工程学院，江苏南京，210094 
崔晓昱2 2.江苏省建筑工程质量检测中心有限公司，江苏南京，210094 
唐国强1 1.南京理工大学材料科学与工程学院，江苏南京，210094 
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Abstract:Lime mud is a kind of hazardous industrial solid wastes from the alkali recovery process. It is primarily composed of CaCO3 and classified as calcium-rich materials. The ceramsites manufacture technology using large dosage of lime mud and silicate minerals as raw materials was provided in this study. For the prepared ceramsites, the bulk density was in the range of 0.724～0.783 g/cm3; the apparent density was in the range of 1.085～1.218 g/cm3 and the apparent porosity was in the range of 49.49%～52.58%, in dicating its light weight and process property. The technology has high economic benefits and social benefits, which might be a comprehensive utilization technology of lime mud.
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