Evolution and Size Distribution of Solid CO2 Particles in Supercritical CO2 Releases,Industrial & Engineering Chemistry Research

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Evolution and Size Distribution of Solid CO2 Particles in Supercritical CO2 Releases
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2018-05-23 , DOI: 10.1021/acs.iecr.8b00178
Lin Teng ₁ , Yuxing Li ₁ , Datong Zhang ₁ , Xiao Ye ₁ , Shuaiwei Gu ₁ , Cailin Wang ₁ , Jinghan Wang ₁

Affiliation

CO₂ transportation safety is important for the successful implementation of carbon capture and storage (CCS) projects. The formation of solid CO₂ is a unique phenomenon in high-pressure CO₂ release. The evolution and size distribution of dry ice particles have a significant impact on assessment of the consequences of accidental release of supercritical CO₂ from a pipeline. The motivation is to investigate the particle behavior and size distribution and understand how the impact factors affect them. An experiment with various measurement methods was developed to carry out controllable CO₂ release from a high-pressure vessel. The macroparameters such as jet configuration, temperature, and velocity were recorded. Meanwhile, motion of the microparticles was also analyzed. In addition, the effects of initial pressure and temperature on the particle size distribution were investigated. The results showed that the agglomeration influenced the size distribution at different positions of the jet.

中文翻译：

超临界CO ₂释放中固体CO ₂颗粒的演化和尺寸分布

CO ₂运输安全对于成功实施碳捕集与封存（CCS）项目很重要。固体CO ₂的形成是高压CO ₂释放中的独特现象。干冰颗粒的演变和尺寸分布对评估超临界CO ₂从管道意外释放的后果具有重要影响。目的是研究粒子的行为和尺寸分布，并了解影响因素如何影响它们。进行了各种测量方法的实验，以进行可控的CO ₂从高压容器中释放。记录宏观参数，例如射流配置，温度和速度。同时，还分析了微粒的运动。另外，研究了初始压力和温度对粒度分布的影响。结果表明，团聚影响了射流不同位置的粒径分布。

更新日期：2018-05-23

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