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Due to the increasing demand for natural gas in the world today, transportation of natural gas from different parts of the world has become a necessity. Liquefying the natural gas provides a safer and cheaper alternative for transportation and also increases its storage capabilities. The liquefaction process requires the natural gas to be cooled using various methods of cryogenic processes and also be depressurized to atmospheric conditions for easier and safer storage.
This paper analyzes eleven total methods for the liquefaction of natural gas based on their capacity, fixed costs and their operating efficiency. Seven out of the eleven processes are currently established in various parts of the world. The remaining four processes are in developmental stages and each patent description is used to simulate each process and determine its feasibility in industry. At the reported maximum capacities of each process, the equipment and utility costs are determined. These prices per capacity are then related along a possible range of annual capacities to determine the most economical process based on specific capacities.
Download: LNG Technology
This paper analyzes eleven total methods for the liquefaction of natural gas based on their capacity, fixed costs and their operating efficiency. Seven out of the eleven processes are currently established in various parts of the world. The remaining four processes are in developmental stages and each patent description is used to simulate each process and determine its feasibility in industry. At the reported maximum capacities of each process, the equipment and utility costs are determined. These prices per capacity are then related along a possible range of annual capacities to determine the most economical process based on specific capacities.
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