碳酸氢钠溶液中甲烷和天然气水合物生成的平衡条件

Equilibrium conditions of the methane and natural gas hydrates
formation in sodium bicarbonate solutions
作者：Kalacheva, LP (Kalacheva, Liudmila P.) [1] ; Ivanova, IK (Ivanova, Izabella K.) [1] ; Portnyagin, AS (Portnyagin, Albert S.) [1] ; Semenov, ME (Semenov, Matvei E.) [1] , [2] ; Ivanov, VK (Ivanov, Viktor K.) [1] ; Bubnova, AR (Bubnova, Alla R.) [1]
来源：Mendeleev Communications，Volume 33, Issue 5,Pages 619-621
DOI：10.1016/j.mencom.2023.09.009
出版时间：2023
摘要：Empirical correlations were obtained to calculate the equilibrium pressure of the methane and natural gas (the Srednevilyui gas and condensate field) hydrates formation in sodium bicarbonate solutions, the hydration numbers and dissociation heats of these hydrates were determined. The values of the hydration numbers assume that methane forms hydrates with the CS-I structure and natural gas - CS-II. The dissociation heat of the natural gas hydrates is higher than that of the methane hydrates.
关键词：gas hydrates; methane; natural gas; sodium bicarbonate; equilibrium conditions

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