Application Research on Pd-Co-Ti Catalyst for Purifying CO in Flue Gas of Hot-blast Stove in Steel Rolling Mill

Authors

  • Jianyu Cai Beijing University of Technology, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing 100124, China
  • Zehui Yu Beijing University of Technology, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing 100124, China
  • Junda He Beijing University of Technology, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing 100124, China
  • Jian Li Beijing University of Technology, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing 100124, China

DOI:

https://doi.org/10.13052/spee1048-5236.4048

Keywords:

Pd-Co-Ti, catalyst, steel rolling mill, CO, application.

Abstract

The Pd-Co-Ti catalyst was successfully prepared by the method of impregnation-precipitation-ball milling. The structure and redox properties of Pd-Co-Ti catalyst was investigated by N22 desorption, X-ray powder diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and H22-TPR. The results show that the Pd-Co-Ti catalyst has a large specific surface area and a rich pore structure, and there are Co33O44 and anatase TiO22 crystals in the catalyst. The synergistic effect of Pd and Co improves the redox ability of Pd-Co-Ti catalyst. The catalyst is used to treat CO in the flue gas of rolling mills. It runs for 168 hours at a space velocity of 30,000 cm33/(g⋅⋅h) and a temperature of 280∘∘C, and the CO removal rate is basically maintained at more than 90%. The ratio of inlet CO content and O22 content affects the catalyst CO removal efficiency. When the ratio is greater than 0.5, the CO removal efficiency has a downward trend. The results of this study are of great significance to the practical application of CO oxidation technology.

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Author Biographies

Jianyu Cai, Beijing University of Technology, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing 100124, China

Jianyu Cai is a Ph.D. student at the Beijing University of Technology since 2017. He attended the Hebei University of Agriculture, China where he received his bachelor of science in Environmental Science in 2015. He has been engaged in air pollution control engineering research for a long time, including CO catalytic oxidation technology, low temperature SCR denitration technology, acid mist, SO2, NOx and other pollutants adsorption technology, etc.

Zehui Yu, Beijing University of Technology, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing 100124, China

Zehui Yu is a postgraduate student at the Beijing University of Technology since 2019. He attended the Inner Mongolia University of Science and Technology, China where he received his bachelor of engineering in Mining Major in 2018. He is mainly engaged in air pollution control engineering research, including catalysis, catalyst coating, etc.

Junda He, Beijing University of Technology, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing 100124, China

Junda He is a Ph.D. student at the Beijing University of Technology since 2020. He attended the Northeast Electric Power University, China where he received his bachelor of engineering in Applied Chemistry in 2016. He then went on to get a master of engineering in Beijing University of Technology, China in 2020. He is mainly engaged in air pollution control engineering research, including CO catalytic oxidation, low temperature SCR denitration technology, Chemical, etc.

Jian Li , Beijing University of Technology, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing 100124, China

Jian Li is a professor and doctoral supervisor at Beijing University of Technology. He attended the Xi’an Institute of Metallurgy and Architecture, China where he received his bachelor degree in engineering in environmental engineering in 1986.He then went on to get a master of engineering in Xi’an Institute of Metallurgy and Architecture, China in 1991. He taught at Xi’an Mining Institute from 1991 to 1996. He received his Ph.D. from Xi’an University of Architecture and Technology in 1999. In 2004, he went to Canada University of Waterloo for further study as a visiting scholar sent by the state. Professor Li has been engaged in air pollution control engineering research for a long time. Professor Li’s research mainly includes particle control technology, acid mist control, volatile organic compounds (VOCs) and odor control technology, NOxx pollution control, integrated desulfurization, denitrification and dust removal technology, CO catalytic technology and NH3 oxidation technology, etc.

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Published

2023-02-15

How to Cite

Cai, J. ., Yu, Z. ., He, J. ., & Li , J. . (2023). Application Research on Pd-Co-Ti Catalyst for Purifying CO in Flue Gas of Hot-blast Stove in Steel Rolling Mill . Strategic Planning for Energy and the Environment, 40(4), 455–470. https://doi.org/10.13052/spee1048-5236.4048

Issue

2021: Vol 40 Iss 4 2021

Section

Articles