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首页> 外文期刊>Waste and biomass valorization >Preparation of Highly Bloating Ceramsite from 'White Mud' and Oil Shale with Incorporation of Black Cotton Soil
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Preparation of Highly Bloating Ceramsite from 'White Mud' and Oil Shale with Incorporation of Black Cotton Soil

机译:黑棉土壤中的“白泥”和油页岩高膨胀陶瓷的制备

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摘要

Highly bloating ceramsite has been successfully prepared from forthcoming industrial wastes, the white mud (WM), which is the residue from H_2SO_4-treated coal fly ash obtained from our previous industrial art. In this art the oil shale (OS) and black cotton soil (BCS) were used as foaming and fluxing agents, respectively. The products were demonstrated to reach two types of ceramsite defined by GB/T17431.2-2010. The best dosages were found at the mass ratio of WM:BCS:OS = 7:7:6. The optimal sintering temperature is 1230 °C, and a two-stage sintering strategy was chosen to prepare better qualified ceramsite. The total porosity reaches 52.55%, which affords a low bulk density of 318 kg/m~3. The formation mechanism was indicated to be bloated by OS, and pores were formed by the sealing effect of vitrified BCS. The WM works as scaffolds to provide mechanical strength. The ternary diagram of SiO_2-Al_2O_3-alkaline/alkaline earth was rectified concerning the composition area in preparing super-light-weight ceramsite.
机译:高膨胀的陶瓷已经成功地制备了即将到来的工业废物,白泥(WM),是从我们以前的工业艺术获得的H_2SO_4处理的煤粉煤灰的残留物。在本篇文章中,石油页岩(OS)和黑色棉土(BCS)分别用作发泡和助熔剂。证明产品达到GB / T17431.2-2010定义的两种类型的陶瓷。以Wm的质量比(BCS:OS = 7:7:6)发现最佳剂量。最佳烧结温度为1230℃,选择两阶段烧结策略以制备更好的合格陶瓷。总孔隙率达到52.55%,提供318kg / m〜3的低堆积密度。表明形成机制被OS膨胀,并且通过玻璃化BCS的密封效果形成孔。 WM为脚手架工作,以提供机械强度。在制备超轻重量陶瓷中的组合物区域进行SiO_2-Al_2O_3-碱性/碱土碱的三元图。

著录项

  • 来源
    《Waste and biomass valorization》 |2020年第7期|3609-3619|共11页
  • 作者单位

    Key Laboratory of Automobile Materials of Ministry of Education Solid Waste Recycling Engineering Research Center of Jilin Province School of Materials Science and Engineering Jilin University Changchun 130022 Jilin China;

    Key Laboratory of Automobile Materials of Ministry of Education Solid Waste Recycling Engineering Research Center of Jilin Province School of Materials Science and Engineering Jilin University Changchun 130022 Jilin China;

    Key Laboratory of Automobile Materials of Ministry of Education Solid Waste Recycling Engineering Research Center of Jilin Province School of Materials Science and Engineering Jilin University Changchun 130022 Jilin China;

    Key Laboratory of Automobile Materials of Ministry of Education Solid Waste Recycling Engineering Research Center of Jilin Province School of Materials Science and Engineering Jilin University Changchun 130022 Jilin China;

    Department of Basic Sciences Qinghai University Xining 810016 China;

    China Road and Bridge Co An-Ding-Men Outside Street 88 Beijing 100011 China;

    Key Laboratory of Automobile Materials of Ministry of Education Solid Waste Recycling Engineering Research Center of Jilin Province School of Materials Science and Engineering Jilin University Changchun 130022 Jilin China;

    Key Laboratory of Automobile Materials of Ministry of Education Solid Waste Recycling Engineering Research Center of Jilin Province School of Materials Science and Engineering Jilin University Changchun 130022 Jilin China;

    Key Laboratory of Automobile Materials of Ministry of Education Solid Waste Recycling Engineering Research Center of Jilin Province School of Materials Science and Engineering Jilin University Changchun 130022 Jilin China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Bloating ceramsites; White mud; Black cotton soils; Oil shale; Forthcoming industrial waste treatment;

    机译:膨胀的陶瓷;白泥;黑色棉花土壤;油页岩;即将到来的工业废物处理;

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