Refrigeration – Storage of solidified or liquified gas
Patent
1997-10-14
1999-10-12
Kilner, Christopher B.
Refrigeration
Storage of solidified or liquified gas
62 461, 62 531, 585 15, F17C 112, F17C 700, F17C 1300, C07C 900
Patent
active
059640936
ABSTRACT:
A gas hydrate storage reservoir includes at least one insulated wall defining an opening and a sunlight permeable top covering the opening. A gas-tight, gas hydrate storage cavity is defined within the top and the wall(s). A cover element is provided to cover at least a portion of the top to prevent sunlight from passing through that portion of the top. The gas storage reservoir also includes devices for removing gas and water from the storage cavity. In use, when gas is desired by the user, the cover element is removed from at least a portion of the sunlight permeable top so that sunlight will pass through the top and into the storage reservoir. Heat energy from the sun warms the exposed gas hydrates, thereby forcing the hydrates to dissociate into gas and water. The gas is removed from the tank and transported to an appropriate location for use. When sunlight is unavailable or when additional gas is needed than that produced by dissociation via the sun, an external, auxiliary heater (e.g., one or more heating coils, one or more coils or channels through which steam flows, one or more coils or channels through which a relatively warm gas or liquid flows, one or more electrical heating elements, a steam lance device, or a microwave generator) is provided to heat the hydrates. Through the use of the method and apparatus according to the invention, gas hydrates can be stored and regassified conveniently, inexpensively, and controllably, without loss of valuable gas products.
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Heinemann Robert Frederick
Huang David Da-Teh
Long Jinping
Saeger Roland Bernard
Furr Jr. Robert B.
Keen Malcolm D.
Kilner Christopher B.
Mobil Oil Corporation
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