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Effect of semi-coke ash carbon capture on property of phase change composites
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Yaxuan XIONG1, Xincheng YIN1, Chenhua YAO2, Jing REN3, Yuting WU4, Cancan ZHANG4, Yulong DING5
Thermal Power Generation | 2024, 53(7) : 62 - 72
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Thermal Power Generation | 2024, 53(7): 62-72
• New energy power generation technology •
Effect of semi-coke ash carbon capture on property of phase change composites
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Yaxuan XIONG1, Xincheng YIN1, Chenhua YAO2, Jing REN3, Yuting WU4, Cancan ZHANG4, Yulong DING5
Affiliations
  • 1.Beijing Key Lab of Heating, Gas Supply, Ventilating and Air Conditioning Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
  • 2.Chaoyang First Branch of Beijing District Heating Group Co., Ltd., Beijing 100102, China
  • 3.Beijing Building Research Institute Co., Ltd. of CSCEC, Beijing 100076, China
  • 4.Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Beijing Municipality, Beijing University of Technology, Beijing 100124, China
  • 5.Birmingham Center for Energy Storage, University of Birmingham, Birmingham B15 2TT, UK
Published: 2024-07-25 doi: 10.19666/j.rlfd.202403032
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To achieve the carbon peak and neutrality targets, facilitate low-cost disposal of industrial solid wastes (namely semi-coke ash), and develop new green and low-carbon composite materials, carrying out carbon capture using semi-coke ash is proposed, based on the existing semi-coke ash/sodium nitrate composite phase change heat storage materials. The performance of semi-coke ash and composite phase change heat storage materials before and after carbon sequestration is studied. The results indicate that, the optimal conditions for carbon sequestration in semi-coke ash are: gas composition of 20%CO2/80%N2, ventilation time of 40 minutes, and heating temperature of 650 ℃. Under the optimal experimental conditions, the carbon sequestration rate of semi-coke ash reaches 29.27%. The optimal mass ratio of the resulting composite phase change heat storage material, namely the carbon-sequestered semi-coke ash to NaNO3 is 5:5. It achieves a heat storage density of 288.65 J/g at 100~380 ℃, with better mechanical properties, thermal stability, and chemical compatibility. The use of carbon-sequestered semi-coke ash as a skeletal material to prepare composite phase change heat storage materials is highly feasible, providing a new approach for the resource utilization and carbon emission treatment of industrial solid wastes, namely semi-coke ash.

solid waste  /  skeleton material  /  composite material  /  heat storage performance  /  mechanical property
Yaxuan XIONG, Xincheng YIN, Chenhua YAO, Jing REN, Yuting WU, Cancan ZHANG, Yulong DING. Effect of semi-coke ash carbon capture on property of phase change composites[J]. Thermal Power Generation, 2024 , 53 (7) : 62 -72 . DOI: 10.19666/j.rlfd.202403032
Funding
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  • Key Project of Beijing Natural Science Foundation(3151001)
Appendix
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Year 2024 volume 53 Issue 7
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78
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Article Info
doi: 10.19666/j.rlfd.202403032
  • Receive Date：2024-03-08
  • Online Date：2026-01-07
  • Published：2024-07-25
Article Data
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History
  • Received：2024-03-08
Funding
Key Project of Beijing Natural Science Foundation(3151001)
Affiliations
    1.Beijing Key Lab of Heating, Gas Supply, Ventilating and Air Conditioning Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
    2.Chaoyang First Branch of Beijing District Heating Group Co., Ltd., Beijing 100102, China
    3.Beijing Building Research Institute Co., Ltd. of CSCEC, Beijing 100076, China
    4.Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Beijing Municipality, Beijing University of Technology, Beijing 100124, China
    5.Birmingham Center for Energy Storage, University of Birmingham, Birmingham B15 2TT, UK
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202403032
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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