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Environmental Science and Pollution Research

, Volume 26, Issue 19, pp 19228–19240 | Cite as

Performance of desulfurization ash for the preparation of grouting fire prevention material

  • Xiang-hua Feng
  • Chao-qiang Wang
  • Shi-min DingEmail author
Research Article
  • 135 Downloads

Abstract

The accumulation of desulfurization ash from coal-fired power plants can lead to serious waste of land resources and environmental safety problems. This work presents an experimental study on the feasibility of recycling original desulfurization ash as the main raw materials, and a new green grouting material was prepared. The results indicate that a desulfurization ash–based grouting fire prevention material which was prepared according to the following ingredient design (a water-to-solid ratio of 1.0:1 and a hydroxyethyl cellulose content of 0.09% desulfurization ash, 12% quicklime, 0.6% Na2SO4, and 0.05% triethanolamine, 80 °C curing). The slurry’s viscosity meets requirements, and its suspension, liquidity, and consolidation strength are better than those of clay under the same conditions. In addition, the grouting material’s inhibitor ratio is increased with temperature increase, which means it has good flame retardancy. Environmental performance tests concluded that when desulfurization ash as-recycled admixture is used for the preparation of grouting fire prevention material, from the technique point of view, the environmental safety of them is very good.

Keywords

Desulfurization ash Environmental safety Activator Grouting material 

Notes

Funding information

The study was financially supported by the Chunhui Project of the Ministry of Education in China (Z2015130) and the Natural Science and Technology Research Project of Chongqing Education Commission (KJ1401202).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Xiang-hua Feng
    • 1
    • 2
  • Chao-qiang Wang
    • 1
    • 3
  • Shi-min Ding
    • 1
    • 2
    • 4
    Email author
  1. 1.College of Green Intelligent EnvironmentYangtze Normal UniversityChongqingChina
  2. 2.Engineering Research Center of Multi-source Monitoring Technology and Application of Chongqing Ecological EnvironmentChongqingChina
  3. 3.Chongqing Environmental Protection Center for Shale Gas Technology and DevelopmentFulingPeople’s Republic of China
  4. 4.Collaborative Innovation Center for Green Development in Wuling Mountain AreasChongqingChina

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