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Record #188240:

Formation and dissociation processes of gas hydrate composed of methane and carbon dioxide below freezing / Akihiro Hachikubo, and 5 others.

Title: Formation and dissociation processes of gas hydrate composed of methane and carbon dioxide below freezing / Akihiro Hachikubo, and 5 others.
Author(s): Hachikubo, Akihiro.
Date: 2004.
In: Ocean and Polar Research. (2004.), Vol. 26(3) (2004)
Abstract: Describes experiments monitoring pressure and temperature variations during gas hydrate formation and dissociation to understand kinetic behaviour of gas hydrate and investigate factors controlling phase transition below ice point. Gas hydrates were made from guest gases and fine ice powder. Also reports preliminary study of fractionation process of CH₄/CO₂ gas mixture during hydrate formation. Reports that formation and dissociation speeds of gas hydrates were not controlled by temperature and pressure conditions alone and suggests that pressure levels at formation of mixed-gas hydrate determine transient equilibrium pressure itself.
Notes:

Ocean and Polar Research. Vol. 26(3) :515-521 (2004).

Keywords: 551.32 -- Glaciology.
551.322 -- Ice and snow.
54 -- Chemistry.
548.736.65 -- Clathrate hydrates.
546.264-31 -- Carbon dioxide.
547.211 -- Methane.
542 -- Chemistry, experimental techniques.
551.583 -- Climatic changes.
536 -- Heat.
502.6 -- Environmental protection, physical.
E4 -- Glaciology: physics and chemistry of ice.
SPRI record no.: 188240

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245 10 ‡aFormation and dissociation processes of gas hydrate composed of methane and carbon dioxide below freezing /‡cAkihiro Hachikubo, and 5 others.
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500 ## ‡aOcean and Polar Research. Vol. 26(3) :515-521 (2004).
520 3# ‡aDescribes experiments monitoring pressure and temperature variations during gas hydrate formation and dissociation to understand kinetic behaviour of gas hydrate and investigate factors controlling phase transition below ice point. Gas hydrates were made from guest gases and fine ice powder. Also reports preliminary study of fractionation process of CH₄/CO₂ gas mixture during hydrate formation. Reports that formation and dissociation speeds of gas hydrates were not controlled by temperature and pressure conditions alone and suggests that pressure levels at formation of mixed-gas hydrate determine transient equilibrium pressure itself.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.322 -- Ice and snow.‡2udc
650 07 ‡a54 -- Chemistry.‡2udc
650 07 ‡a548.736.65 -- Clathrate hydrates.‡2udc
650 07 ‡a546.264-31 -- Carbon dioxide.‡2udc
650 07 ‡a547.211 -- Methane.‡2udc
650 07 ‡a542 -- Chemistry, experimental techniques.‡2udc
650 07 ‡a551.583 -- Climatic changes.‡2udc
650 07 ‡a536 -- Heat.‡2udc
650 07 ‡a502.6 -- Environmental protection, physical.‡2udc
650 07 ‡aE4 -- Glaciology: physics and chemistry of ice.‡2local
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