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采用汽液双循环高压测定装置，测定了ＣＯ２与乙醚在２９８．４５Ｋ、３０８．６５Ｋ和３１８．４５Ｋ和ＣＯ２与异丙醚在２９９．１５Ｋ、３０８．６５Ｋ和３１８．４５Ｋ下，压力范围０．７２～８．３２ＭＰａ的二元汽液平衡数据。同时还测定了以上３个组分在３０８．６５Ｋ、压力在３．０４、４．０２和５．００ＭＰａ下的三元汽液平衡数据。对所测实验数据用ＤＤＬＣ－ＳＲＫ和ＳＲＫ方程进行了关联。结果表明实验数据可靠。
The pressure range of CO2 and diethyl ether at 298.45K, 308.65K and 318.45K and CO2 and isopropyl ether at 299.15K, 308.65K and 318.45K were measured by using the vapor-liquid two-cycle high pressure apparatus. 72 ~ 8.32MPa binary vapor-liquid equilibrium data. The three-component vapor-liquid equilibrium data of the above three components at 308.65K and 3.04, 4.02 and 5.00MPa were also measured. The measured data were correlated using DDLC-SRK and SRK equations. The results show that the experimental data is reliable.