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首页> 外文会议>2001 International gas research conference >SOLUBILITY OF NATURAL GAS IN WATER AND ITS ROLE IN THE FORMATION OF GAS HYDRATES
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SOLUBILITY OF NATURAL GAS IN WATER AND ITS ROLE IN THE FORMATION OF GAS HYDRATES

机译：天然气在水中的溶解度及其在天然气水合物形成中的作用

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摘要

Natural gas hydrates are metastable minerals whose formation, stable existence and decomposition depend upon pressure, temperature, the composition of the gas and water used to generate the hydrate and the structure of the pore space. Hydrates are inclusion compounds in which water is the solvent. Molecules of water are joined by hydrogen bonds to form a lattice which contains large cavities. Gas molecules are absorbed into those cavities.rnDuring our studies of kinetic and phase behavior, we have determined that the content of gas dissolved in water decreases significantly as a result of blockage at the gas-water interface by the hydrate, and also due to a sharp change in the surface tension forces at the gas-water and hydrate-water interfaces (Makogon 1997). Because hydrates will lower the content of gas dissolved in the water that contacts hydrate, the formation of gas hydrates in nature is a complicated process. In this paper, we will illustrate how gas solubility affects the existence of gas hydrates in nature.
机译：天然气水合物是亚稳态矿物，其形成，稳定存在和分解取决于压力，温度，用于生成水合物的气体和水的组成以及孔隙结构。水合物是其中水为溶剂的包合物。水分子通过氢键结合形成一个包含大空腔的晶格。在我们对动力学和相行为的研究中，我们确定溶解在水中的气体含量由于水合物在气水界面的阻塞而显着降低。气-水和水合物-水界面的表面张力急剧变化（Makogon 1997）。由于水合物会降低与水合物接触的水中溶解的气体含量，因此自然界中气体水合物的形成是一个复杂的过程。在本文中，我们将说明气体溶解度如何影响自然界中天然气水合物的存在。

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