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This video contains a number of methane explosion demonstrations and illustrates the difference between high velocity and low velocity explosions resulting f...
6 Σεπ 2016 · Methane hydrate: fire, ice, energy. Found near the ocean floor and beneath Arctic permafrost, methane hydrate is a mysterious icy substance that burns when lit and holds vast amounts of potential energy.
Methane clathrate (CH 4 ·5.75H 2 O) or (4CH 4 ·23H 2 O), also called methane hydrate, hydromethane, methane ice, fire ice, natural gas hydrate, or gas hydrate, is a solid clathrate compound (more specifically, a clathrate hydrate) in which a large amount of methane is trapped within a crystal structure of water, forming a solid similar to ice.
7 Φεβ 2019 · In this video, Ruppel explains the fundamentals of methane hydrates, where they are concentrated, and why. The areas of greatest concern are in the Arctic continental shelf, which during the last glaciation, when sea level was lower, were vast northern permafrost grasslands.
Methane hydrate is a crystalline solid that consists of a methane molecule surrounded by a cage of interlocking water molecules (see image at the top of this page). Methane hydrate is an " ice " that only occurs naturally in subsurface deposits where temperature and pressure conditions are favorable for its formation.
Flammable ice made of methane and water. Methane hydrate is formed when water and methane gas combine at temperatures below 10 degrees Celsius and pressures greater than 30 bar, or 30 times normal atmospheric pressure. The meth-ane is surrounded by water molecules and trapped in a molecular cage.
22 Αυγ 2019 · Methane hydrate is present between the two horizontal, green dashed lines where the dissolved methane concentration equals the methane hydrate solubility; free methane gas is present below the horizontal, dashed red line where dissolved methane concentration is larger than the methane gas solubility.
