Skip to main content
SpringerLink
Log in

A Mechanism Study on the Decomposition of Sulfate in Zhundong Coal with High Sulfur Content in Coal Ash

  • Conference paper
  • First Online:
Clean Coal Technology and Sustainable Development (ISCC 2015)

Included in the following conference series:

Abstract

Sulfate in Zhundong (ZD) coal combustion plays a significant role in fouling, slagging, and particle emissions. This study aimed to investigate the effect of SiO2 and kaolin addition on sulfate transformation in ZD coal ash by using thermogravimetric analysis (TGA) and other characterizing methods for ash with SiO2 and kaolin addition under different temperatures. Results showed that SiO2 and kaolin both enhanced the decomposition of sulfates in ZD coal ash under higher temperatures. The decomposition of sulfates in pure ZD coal ash started above 1050 °C, while the starting temperature was ahead by 50 and 100 °C, when SiO2 and kaolin were added, respectively. Kaolin addition was more efficient to improve the thermal decomposition of sulfates than SiO2 addition. However, the enhanced effect of SiO2 and kaolin was very weak below 815 °C. The thermal calculation results also gave the similar result on the enhancement effect on sulfate decomposition of SiO2 and kaolin addition.

This is a preview of subscription content, log in via an institution to check access.

Access this chapter

Log in via an institution
Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 169.00
Price excludes VAT (USA)
  • Available as EPUB and PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 219.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book
USD 219.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

References

  1. Zhang S, Chen C, Shi D (2013) Situation of combustion utilization of high sodium coal. Proc CSEE 33(5):1–13

    Google Scholar 

  2. Dai B, Low F, Girolamo A (2013) Characteristics of ash deposits in a pulverized lignite coal-fired boiler and the mass flow of major ash-forming inorganic elements. Energy Fuels 27(10):6198–6211

    Article  Google Scholar 

  3. Zhou H, Zhou B, Li L (2013) experimental measurement of the effective thermal conductivity of ash deposit for high sodium coal (Zhun Dong coal) in a 300 KW test furnace. Energy Fuels 27(11):7008–7022

    Article  Google Scholar 

  4. Yang Z, Liu J, Yao W (2013) Fouling index of Zhundong coal ash. Clean Coal Technol 19(2):81–84

    MathSciNet  Google Scholar 

  5. Wang X, Xu Z, Wei B (2015) The ash deposition mechanism in boilers burning Zhundong coal with high contents of sodium and calcium: a study from ash evaporating to condensing. Appl Therm Eng 80:150–159

    Article  Google Scholar 

  6. Wang X, Xu Z, Wei B et al (2015) The ash deposition mechanism in boilers burning Zhundong coal with high contents of sodium and calcium: a study from ash evaporating to condensing. Appl Therm Eng 80:150–159

    Article  Google Scholar 

Download references

Acknowledgments

This study was supported by the National Natural Science Foundation of China (Nos. 51306142 and 51376147) and the Fundamental Research Funds for the Central Universities.

Author information

Authors and Affiliations

  1. MOE Key Laboratory of Thermo-Fluid Science and Engineering, Xi’an Jiaotong University, Xi’an, 710049, China

    Xuebin Wang, Shuanghui Deng, Bo Wei & Houzhang Tan

  2. Henan Province Boiler Pressure Vessel Safety Inspection Institute, Zhengzhou, 450016, China

    Hongying Wu & Lan Zhang

Authors
  1. Xuebin Wang
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Hongying Wu
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Shuanghui Deng
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Lan Zhang
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Bo Wei
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Houzhang Tan
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Houzhang Tan .

Editor information

Editors and Affiliations

  1. Tsinghua University, Department of Thermal Engineering Tsinghua University, Beijing, Beijing, China

    Guangxi Yue

  2. Tsinghua University, Department of Thermal Engineering Tsinghua University, Beijing, Beijing, China

    Shuiqing Li

Rights and permissions

Reprints and permissions

Copyright information

© 2016 Springer Science+Business Media Singapore and Tsinghua University Press

About this paper

Cite this paper

Wang, X., Wu, H., Deng, S., Zhang, L., Wei, B., Tan, H. (2016). A Mechanism Study on the Decomposition of Sulfate in Zhundong Coal with High Sulfur Content in Coal Ash. In: Yue, G., Li, S. (eds) Clean Coal Technology and Sustainable Development. ISCC 2015. Springer, Singapore. https://doi.org/10.1007/978-981-10-2023-0_14

Download citation

  • DOI: https://doi.org/10.1007/978-981-10-2023-0_14

  • Published:

  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-2022-3

  • Online ISBN: 978-981-10-2023-0

  • eBook Packages: EnergyEnergy (R0)

Publish with us

Policies and ethics

Search

Navigation