压力对碳氢氧超临界流体中碳的溶解度的影响

赵先锋 洪时明 刘福生

赵先锋, 洪时明, 刘福生. 压力对碳氢氧超临界流体中碳的溶解度的影响[J]. 高压物理学报, 2003, 17(2): 101-105 . doi: 10.11858/gywlxb.2003.02.004
引用本文: 赵先锋, 洪时明, 刘福生. 压力对碳氢氧超临界流体中碳的溶解度的影响[J]. 高压物理学报, 2003, 17(2): 101-105 . doi: 10.11858/gywlxb.2003.02.004
ZHAO Xian-Feng, HONG Shi-Ming, LIU Fu-Sheng. Effect of Pressure on Carbon Concentration in C-H-O Supercritical-Fluid[J]. Chinese Journal of High Pressure Physics, 2003, 17(2): 101-105 . doi: 10.11858/gywlxb.2003.02.004
Citation: ZHAO Xian-Feng, HONG Shi-Ming, LIU Fu-Sheng. Effect of Pressure on Carbon Concentration in C-H-O Supercritical-Fluid[J]. Chinese Journal of High Pressure Physics, 2003, 17(2): 101-105 . doi: 10.11858/gywlxb.2003.02.004

压力对碳氢氧超临界流体中碳的溶解度的影响

doi: 10.11858/gywlxb.2003.02.004
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    通讯作者:

    赵先锋

Effect of Pressure on Carbon Concentration in C-H-O Supercritical-Fluid

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    Corresponding author: ZHAO Xian-Feng
  • 摘要: 采用统计热力学方法,利用CHEQ程序对5.5~7.7 GPa的压力和1 000~2 900 K温度下碳加水体系中碳的溶解度进行了计算。重点研究了石墨和金刚石在水中溶解度差与压力的关系,得出如下结果:(1)在一定压力下,使石墨和金刚石在水中的溶解度之差X(C)为正值的温度有确定的下限和上限。(2)在高温高压下,对每一个压力,石墨和金刚石在水中的溶解度之差X(C)都有一个极大值。使X(C)为极大值的温度随着压力的升高而增大,同时,溶解度差的极大值本身也随压力的升高而增大。

     

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出版历程
  • 收稿日期:  2002-08-06
  • 修回日期:  2002-10-16
  • 发布日期:  2003-06-05

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