水+甲烷系统的气液相边界曲线和临界曲线

田玉琴 田宜灵 赵林 朱荣娇 马超

引用本文: 田玉琴, 田宜灵, 赵林, 朱荣娇, 马超. 水+甲烷系统的气液相边界曲线和临界曲线[J]. 物理化学学报, 2012, 28(08): 1803-1808. doi: 10.3866/PKU.WHXB201205211 shu
Citation:  TIAN Yu-Qin, TIAN Yi-Ling, ZHAO Lin, ZHU Rong-Jiao, MA Chao. Gas-Liquid Phase Boundary Lines and Critical Curve for the Water+Methane System[J]. Acta Physico-Chimica Sinica, 2012, 28(08): 1803-1808. doi: 10.3866/PKU.WHXB201205211 shu

水+甲烷系统的气液相边界曲线和临界曲线

摘要:

采用带有蓝宝石视窗和磁力搅拌的可变体积高压斧得出了水+甲烷系统的气液相边界曲线和临界曲线. 实验温度为433.0-633.0 K, 实验压力为30.00-300.00 MPa. 实验确定了甲烷在富水区的亨利系数, 结果显示, 在433.0-603.0 K的温度范围内, 此亨利系数随着温度的升高而下降. 本文还研究了甲烷+水系统的气液分配比以及偏摩尔溶解焓和偏摩尔溶解熵数据. 结果发现, 甲烷和水的内聚能密度差别很大.

English

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  • 发布日期:  2012-07-10
  • 收稿日期:  2012-03-07
  • 网络出版日期:  2012-05-21
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