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The on-board re-liquefaction system reduces LNG losses, which produces economic and environmental benefits. Overall, it is estimated that Q-Flex carriers have about 40% lower energy requirements and carbon emissions than conventional LNG carriers. [4] The capacity of a Q-Flex vessel is between 165,000 m 3 and 216,000 m 3. [5]
The Q-Max LNG carriers were ordered in 2005. [10] They were built by Samsung Heavy Industries and Daewoo Shipbuilding & Marine Engineering. [10] [16] The installed Boil Off Gas re-liquefaction system (Ecorel) is developed and delivered by Cryostar, and approved and certified by Lloyds Register. [19] A Moss-type (not Q-Max type) LNG tanker, side ...
A LNG pier could accommodate LNG carriers of a range of sizes. [8] They may be capable of handling LNG tankers of 70,000 to 217,000 cubic metres (m 3 ) cargo capacity ( Q-Flex ); or tankers of 125,000 to 266,000 m 3 cargo capacity ( Q-Max ). [ 9 ]
The size and capacity of LNG carriers has increased significantly, [8] to 170,000 cubic metres (6,000,000 cu ft). A vessel could cost $200 million. [7] Since 2005, Qatargas has pioneered the development of two new classes of LNG carriers, referred to as Q-Flex and Q-Max. Each ship has a cargo capacity of between 210,000 and 266,000 cubic metres ...
The heating value depends on the source of gas that is used and the process that is used to liquefy the gas. The range of heating value can span ±10 to 15 percent. A typical value of the higher heating value of LNG is approximately 50 MJ/kg or 21,500 BTU/lb. [2] A typical value of the lower heating value of LNG is 45 MJ/kg or 19,350 BTU/lb.
Mozah is a Q-Max LNG carrier operated by Qatargas II. The vessel was built in 2008 by Samsung Heavy Industries and is tied with her sister ships for the largest LNG carrier in the world. [1] The vessel is part of a contract for 14 same-size ships with maximum particulars to berth at Ras Laffan terminal in Qatar.
Moving LNG production to an offshore setting presents several challenges. In terms of the design and construction of the FLNG facility, every element of a conventional LNG facility needs to fit into an area roughly one quarter the size, whilst maintaining appropriate levels of safety and giving increased flexibility to LNG production. [25]
LNG port terminals are purpose-built port terminals designed to accommodate large LNG carrier ships designed to load, carry and unload LNG. These LNG terminals are located adjacent to a gas liquefaction and storage plant (export), or to a gas regasification and storage plant (import), which are themselves connected to gas pipelines connected to ...