论文类型：期刊论文

第一作者：Zhang, Yi

通讯作者：Song, YC (reprint author), Dalian Univ Technol, Sch Energy & Power Engn, Key Lab Ocean Energy Utilizat & Energy Conservat, Minist Educ, Dalian 116024, Peoples R China.; Chen, BX (reprint author), Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland.

合写作者：Li, Tongtong,Chen, Baixin,Nishio, Masahiro,Song, Yongchen

发表时间：2016-02-01

发表刊物：JOURNAL OF CHEMICAL AND ENGINEERING DATA

收录刊物：SCIE、EI

文献类型：J

卷号：61

期号：2

页面范围：873-880

ISSN号：0021-9568

摘要：The densities of CO2 solution of the brine from Teikoku Oil Field located at Niigata Prefecture in Japan are measured by a magnetic suspension balance at temperatures from 303.15 to 323.15 K, pressures from 10 to 20 MPa, and CO2 mole fractions of 0, 0.0038, 0.0040, 0.0087, 0.0100, and 0.0160. Results show that the densities of CO2-brine solution increase to 0.86% from that of brine and linearly increases with pressure at a gradient of 0.411 kg.m(-3).MPa-1 and with CO2 mole fraction at an average gradient of 514 kg.m(-3).mol(-1) at a temperature of 303.15 K. On the other hand, the density of CO2-brine solution decreases with increasing temperature at an average rate of -0.377 kg.m(-3).K-1 under our experimental conditions. The ePC-PSAFT model is applied to predict the data obtained from this study and those from literature. It is demonstrated that the model works well with average relative deviation (ARD) of 0.27%. A correlation of density ratio of CO2-brine solution to brine is provided and validated by data used in the ePC-PSAFT model, which application in comparison with that by the ePC-PSAFT. The ARDs for density ratio predicted by ePC-PSAFT are 0.075% and 0.019% for this work, respectively. is convenient for engineering and correlation

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