Method for separating light hydrocarbon from liquified natural gas
A technology for liquefied natural gas and a separation method, which is applied in the field of liquefied natural gas separation and recovery of light hydrocarbons, can solve the problems of methane pressure, high temperature, large compressor power consumption, unfavorable storage, etc., so as to save operating costs, reduce energy consumption and production costs , the effect of reducing power consumption
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[0045] Example two
[0046] In the first step, the pressure of the liquefied natural gas is raised to 800 Pa by the feed pump; the pressure of the demethanizer is 1800 Pa; the pressure of the deethanizer is 2500 Pa, and the other conditions are the same as in the first embodiment.
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[0047] Example three
[0048] In the first step, the pressure of the liquefied natural gas is raised to 1200 Pa by the feed pump; the pressure of the demethanizer is 2500 Pa; the pressure of the deethanizer is 3500 Pa, and the other conditions are the same as in the first embodiment.
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