Effects of different admixtures on performance of titanium-based ceramics prepared by waste denitrification catalyst

LIU Haipei; LI Zhong; SHEN Yuesong; ZHU Shemin

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Effects of different admixtures on performance of titanium-based ceramics prepared by waste denitrification catalyst

Thermal Power Generation Issue 6, (2017)

更新时间：2025-09-28

- Effects of different admixtures on performance of titanium-based ceramics prepared by waste denitrification catalyst
- 作者机构：
  
  江苏先进无机功能复合材料协同创新中心，江苏先进生物与化学制造协同创新中心，南京工业大学材料科学与工程学院,江苏,南京,210009
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701.3
- Published Online：30 June 2017，
  
  Published：2017
- 稿件说明：
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LIU Haipei, LI Zhong, SHEN Yuesong, et al. Effects of different admixtures on performance of titanium-based ceramics prepared by waste denitrification catalyst[J]. Thermal Power Generation, 2017, (6).
DOI：

LIU Haipei, LI Zhong, SHEN Yuesong, et al. Effects of different admixtures on performance of titanium-based ceramics prepared by waste denitrification catalyst[J]. Thermal Power Generation, 2017, (6). DOI：

摘要

我国每年产生大量的废弃脱硝催化剂，其安全处置和资源化利用迫在眉睫。钒钛脱硝催化剂中的TiO2含量较高，以其作原料制备陶瓷，可实现高附加值利用。本文以包头某火电厂的蜂窝式废弃钒钛脱硝催化剂为原料，选取CuO、硼砂、Nb2O5 3种外加剂用于制备钛基陶瓷，通过样品体积密度、吸水率、抗压强度、抗弯强度、维氏硬度和有毒元素浸出率测试，研究3种外加剂对钛基陶瓷性能的影响。结果表明：CuO的掺杂不利于样品的致密化，掺杂2%硼砂可大幅度提高样品硬度；掺杂2% Nb2O5的样品综合性能最佳，有毒元素浸出率达到国家标准；利用以废弃钒钛催化剂为原料高温焙制陶瓷的方法，对有毒V元素的浸出起到了明显的固化效果。

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