Volume 14 Issue 4
May. 2015
Turn off MathJax
Article Contents
SU Gen-Li, XIE Hong-Sen, DING Dong-Ye, GUO Jie, SUN Qiang. Experimental Determination of Diffusion Coefficients of Ions in Aqueous Fluids at Elevated Temperatures and Pressures[J]. Chinese Journal of High Pressure Physics, 2000, 14(4): 273-279 . doi: 10.11858/gywlxb.2000.04.007
Citation: SU Gen-Li, XIE Hong-Sen, DING Dong-Ye, GUO Jie, SUN Qiang. Experimental Determination of Diffusion Coefficients of Ions in Aqueous Fluids at Elevated Temperatures and Pressures[J]. Chinese Journal of High Pressure Physics, 2000, 14(4): 273-279 . doi: 10.11858/gywlxb.2000.04.007

Experimental Determination of Diffusion Coefficients of Ions in Aqueous Fluids at Elevated Temperatures and Pressures

doi: 10.11858/gywlxb.2000.04.007
More Information
  • Corresponding author: SU Gen-Li
  • Received Date: 27 Mar 2000
  • Rev Recd Date: 12 Jun 2000
  • Publish Date: 05 Dec 2000
  • Diffusion coefficients of ions in aqueous fluids are used to predict mass transfer in many geochemical processes quantitatively. The limited molar conductivities of dilute aqueous potassium chloride solutions were determined by electrical conductance measurements from 100 to 500 ℃ and pressure up to 1 200 MPa. Tracer diffusion coefficients were calculated from the limited molar conductivities of ions using Nernst-Einstein equation. The tracer diffusion coefficients increase with temperature and decrease slightly with increasing pressure.

     

  • loading
  • Wendt R P. The Estimation of Diffusion Coefficients for Ternary System of Strong and Weak Electrolytes [J]. J Phys Chem, 1965, 69: 1227-1237.
    Miller D G. Application of Irreversible Thermodynamics to Electrolyte Solutions: II. Ionic Coefficients lij for Isothermal Vector Transport Processes in Ternary System [J]. J Phys Chem, 1967, 71: 612-632.
    Robinson R A, Stokers R H. Electrolyte Solutions. 2nd ed [M]. Berlin: Butterworths, 1968: 559.
    Lasaga A C. The Treatment of Multi-Component Diffusion and Ion Paris in Diagenetic Fluxes [J]. Am J Sci, 1979, 279: 324-346.
    Graf D L, Anderson D E, Woodhouse J B. Ionic Diffusion in Naturally-Occuring Aqueous Solution: Transition-State Models that Use Either Empirical Expressions or Statistically-Derived Relationships to Predict Mutual Diffusion Coefficient in the Concentrated-Solution Region of 8 Binary Systems [J]. Geochim Cosmochim Acta, 1983, 47: 1985-1998.
    [6 ] Oelkers E H, Helgenson H C. Calculation of the Thermodynamic and Transport Properties of Aqueous Species at High Pressures and Temperatures: Aqueous Tracer Diffusion Coefficients of Ions to 1000 ℃: and 5 kbar [J]. Geochim Cosmochim Acta, 1988, 52: 63-85.
    谭凯旋, 张哲儒, 王中刚. 热液流体中的离子扩散作用: I. 示踪扩散系数的理论计算 [J]. 矿物学报, 1995, 2: 123-131.
    Atkins P W. Physical Chemistry. 4th ed [M]. Oxford: Oxford University Press, 1990.
    Helgenson H C, Kirkham D H. Theoretical Prediction of the Thermodynamic Behavior of Aqueous Electrolytes at High Pressures and Temperatures:Ⅲ. Equation of State for Aqueous Species at Infinite Dilution [J]. Am J Sci, 1976, 276: 97-240.
    安特罗波夫L I. 理论电化学 [M]. 吴中达, 朱耀武译. 北京: 髙等教育出版社, 1981.
    谢鸿森. 地球深部物质科学导论 [M]. 北京: 科学出版社, 1997.
    徐有生, 谢鸿森, 郭捷, 等. 0.4?5.0 GPa和室温?500 ℃下NaCl溶液的电导率 [J]. 中国科学(D辑), 1997, 2: 133-136.
    郑海飞, 谢鸿森, 徐有生, 等. 0.21?4.18 GPa和20?350 ℃下H2O的电导率研究 [J]. 科学通报, 1997, 9: 897-902.
    田昭武. 电化学研究方法 [M]. 北京: 科学出版社, 1984.
    Quist A V, Marshall W L. Electrical Conductances of Aqueous Sodium Chloride Solutions from 0 to 800 ℃ and at Pressures to 4000 bars [J]. J Phys Chem, 1968, 72(2): 684-703.
    Sirota A M, Shviriaev Y V. The Electrical Conductivity of Water and Dilute Aqueous Solutions on Saturation Curve [A]. Barnes H L. High Temperature High Pressure Electrochemistry in Aqueous Solutions [C]. London: Univ of Survey, 1973: 169-176.
    Burnham C W, Holloway J R, Davis N F. The Specific Volume of Water in the Range 1000 to 8900 bars, 20 ℃ to 900 ℃ [J]. Am J Sci, 1969, 267-A: 70-95.
    Holland T, Powell R. A Compensated-Redlich-Kwong (CORK) Equation for Volumes and Fugacities of CO2 and H2O in the Range lbar to 50 kbar and 100-1600 ℃: [J]. Contrib Mineral Petrol, 1991, 109: 265-273.
    Frantz J D, Marshall W L. Electrical Conductances and Ionization Constants of Salts, Acids, and Bases in Supercritical Aqueous Fluids: I. Hydrochloric Acid from 100 ℃ to 700 ℃ and at Pressures to 4000 bars [J]. Am J Sci, 1984, 284: 651-667.
    Femandez D P, Mutev Y, Godwin A R H, et al. A Database for the Static Dielectric Constant of Water and Steam [J]. J Phys Chem Ref Data, 1995, 24: 33-69.
    Watson J T R, Basu R S, Sengers J V. An Improved Representative Equation for the Dynamic Viscosity of Water Substance [J]. J Phys Chem Ref Data, 1980, 4: 1255-1290.
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Article Metrics

    Article views(8050) PDF downloads(778) Cited by()
    Proportional views
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return