ESTIMATION OF SOLUBILITIES IN SUPERCRITICAL CARBON-DIOXIDE - A CORRELATION FOR THE PENG-ROBINSON INTERACTION PARAMETERS
ESTIMATION OF SOLUBILITIES IN SUPERCRITICAL CARBON-DIOXIDE - A CORRELATION FOR THE PENG-ROBINSON INTERACTION PARAMETERS
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DOI：
10.1016/0896-8446(92)90011-8
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发表时间：
1992-09-01
影响因子：
3.9
通讯作者：
SHILSTONE, GF
中科院分区：
文献类型：
--
作者：
BARTLE, KD;CLIFFORD, AA;SHILSTONE, GF
以二元相互作用参数为调节变量，用已发表的19种不同化学类型化合物在纯CO2中的溶解度等温线与Peng-Robinson状态方程进行了拟合。在接近308K的温度下获得的参数被发现与溶质和溶剂的某些物理性质的特定函数近似相关。这使得可以对化合物在超临界二氧化碳中的溶解度做出粗略的估计，在超临界二氧化碳中没有公开的实验测量。
The isotherms of published solubilities of 19 compounds of varied chemical type in pure CO2 have been fitted to the Peng-Robinson equation-of-state using the binary interaction parameter as an adjustable variable. The parameters thus obtained at temperatures close to 308 K are found to be approximately correlated to a particular function of some of the physical properties of the solute and solvent. This allows rough estimates to be made of-solubilities of compounds in supercritical CO2, where there are no published experimental measurements.