The Influence of Impurities on the Chocking Process of Supercritical Carbon Dioxide Pipeline
The Influence of Impurities on the Chocking Process of Supercritical Carbon Dioxide Pipeline
复制标题
杂质对超临界二氧化碳管道堵塞过程的影响
DOI:
10.15764/ojces.2014.02003
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发表时间:
2014-08
期刊:
影响因子:
--
通讯作者:
Yuxing LI
中科院分区:
文献类型:
--
作者:
Qing ZHAO;Qiuyang LI;Yuxing LI
Transportation safety of supercritical CO2 pipeline is a key aspect of Carbon Capture and Storage(CCS). For reducing the high pressure in supercritical pipeline when accidental cases arise, man-made release will be applied using chocking process. The downstream parameters of chocking process can be predicted based on the adiabatic process assumption. The presence of SO2 as an impurity is helpful for increasing the downstream temperatures through the chocking device to prevent the frozen hazard, whereas the presence of N2 as an impurity indicates a lower downstream temperature. The higher initial temperature can prevent the dry ice formation at the outlet of vent pipe when the multistage chocking is applied. Keywords—CCS, carbon dioxide, pipeline transportation, impurity, chocking process
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DOI:
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DOI:
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