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  2. Storage tank - Wikipedia

    en.wikipedia.org/wiki/Storage_tank

    Floating roof tanks are broadly divided into external floating roof tanks (usually referred to simply as floating roof tanks, or FR tanks) and internal floating roof types (IFR Tanks). IFR tanks are used for liquids with lower flash points (e.g., jet fuel, petrol, ethanol). They are essentially cone-roof tanks with an internal floating roof ...

  3. AP 42 Compilation of Air Pollutant Emission Factors - Wikipedia

    en.wikipedia.org/wiki/AP_42_Compilation_of_Air...

    Chapter 7 "Liquid Storage Tanks" is devoted to the methodology for calculating the emissions losses from the six basic tank designs used for organic liquid storage: fixed roof (vertical and horizontal), external floating roof, domed external (or covered) floating roof, internal floating roof, variable vapor space, and pressure (low and high).

  4. Oil terminal - Wikipedia

    en.wikipedia.org/wiki/Oil_terminal

    The storage tanks at an oil terminal may include fixed roof tanks, internal floating roof tanks [10] and external floating roof tanks. [1] Floating roof tanks are generally used for more volatile products to reduce evaporation loss. Fixed roof tanks have a vapor space above the product, which breathes in or out as the product is removed or the ...

  5. Fixed roof tank - Wikipedia

    en.wikipedia.org/wiki/Fixed_roof_tank

    A fixed roof tank is a type of storage tank, used to store liquids, consisting of a cone- or dome-shaped roof that is permanently affixed to a cylindrical shell. Newer storage tanks are typically fully welded and designed to be both liquid- and vapor-tight. Older tanks, however, are often riveted or bolted, and are not vapor tight.

  6. Liquefied natural gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_natural_gas

    LNG storage tank at EG LNG. Modern LNG storage tanks are typically of the full containment type, which has a prestressed concrete outer wall and a high-nickel steel inner tank, with extremely efficient insulation between the walls. Large tanks are low aspect ratio (height to width) and cylindrical in design with a domed steel or concrete roof.

  7. External floating roof tank - Wikipedia

    en.wikipedia.org/wiki/External_floating_roof_tank

    External floating roof tank (double deck type) An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate. It consists of an open- topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid. The roof rises and falls with ...

  8. Gas holder - Wikipedia

    en.wikipedia.org/wiki/Gas_holder

    The tank was above ground and was lined with wood; the lift was guided by tripods and cables. Pulleys and weights were supplied to regulate the gas pressure. [13] Brick tanks were introduced in 1818, when a gas holder could have a capacity of 20,000 cubic feet (570 m 3). The engineer John Malam devised a tank with a central rod-and-tube guide ...

  9. Horton sphere - Wikipedia

    en.wikipedia.org/wiki/Horton_Sphere

    A Horton sphere (sometimes spelled Hortonsphere), also referred to as a spherical tank or simply sphere, is a spherical pressure vessel, which is used for industrial-scale storage of liquefied gases. Example of materials that can be stored in Horton spheres are liquefied petroleum gas (LPG), liquefied natural gas (LNG), and anhydrous ammonia .

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