本研究的目的是利用一套半流動式裝置，分別量測三種分散性染料及三種機能性助劑在超臨界二氧化碳中的飽和溶解度，量測的溫度範圍為313.2 K~393.2 K，壓力在15 MPa~30 MPa之間。為了確保平衡釜出口物料已達飽和，各染料與助劑所需的最少接觸時間分別為Blue 56系統約為800 (s)、Blue 291.1系統約為1400 (s)、Eversorb 73系統約為250 (s)、Red152系統約為800(s)、SR-T4系統約為800(s)、SMA1000I系統約為1400(s)，在實驗條件範圍內Blue 56飽和溶解度介於2.72×10-6 ~7.89×10-6 ，Blue 291.1飽和溶解度介於2.96×10-7~2.42×10-5，Eversorb 73飽和溶解度介於1.21×10-4~3.75×10-4之間，Red152飽和溶解度介於1.48×10-6 ~5.44×10-6之間，SR-T4飽和溶解度介於6.33×10-7~5.96×10-6之間，SMA1000I飽和溶解度介於3.68×10-7~3.65×10-5之間。實驗結果以兩種與密度相關之半經驗式(Chrastil模式與Mendez-Santiago and Teja模式)及Peng-Robinson狀態方程式結合雙變數vdW單一流體混合律進行數據迴歸。關聯結果合理，惟PR狀態方程式在低壓區之計算偏差略高。

The objective of the present study is to measure the saturated solubilities of three disperse dyestuffs (Blue 56, Blue 291.1 and Red 152) and three functional additives (Eversorb 73, SR-T4 and SMA 1000I) in supercritical CO2 at temperatures from 373.2 K to 393.2 K and pressures from 15 MPa to 30 MPa by using a semi-flow apparatus.To ensure the output stream of the equilibrium cell being saturated, the minimum contact time are 800 (s), 1400 (s), 250(s), 800(s), 800(s) and1400 (s) for Blue 56, Blue 291.1, Eversorb 73, Red 152, SR-T4, and SMA 1000I, respectively. Over the experimental conditions, the solubilities are ranging from 2.72×10-6~7.89×10-6 for Blue 56, 2.96×10-7~2.42×10-5for Blue 291.1, 1.21×10-4~3.75×10-4for Eversorb 73, 1.48×10-6 ~5.44×10-6 for Red 152, 6.33×10-7~5.96×10-6 for SR-T4, and3.68×10-7 ~3.65×10-5 for SMA 1000I .
The solubiliy data were correlated using two semi-empirical density-based models, including the Chrastil model and the Mendez-Santiago-Teja model.The Peng-Robinson equation of state with two parameters van der Waals one-fluid mixing rules was also adopted to correlate the solubilities data. In general, the correlation results are reasonably well, except for the Peng-Robinson equation of state in the low pressure region.

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