Coupled cold storage device for separating and sealing CO2 in mixed gas by hydrate method
A technology for hydrate decomposition and hydrate, which is applied in the direction of household refrigeration equipment, carbon compounds, hydrocarbons, etc., can solve the problems of no integrated application and integrated system equipment, achieve good environmental protection and economic benefits, and low energy consumption in the process , the effect of simple operation
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[0015] figure 1 A hydrate method is shown for the separation of CO in the sequestered gas mixture 2 The device for coupled cold storage, taking the separation and storage of carbon dioxide in biogas as an example, includes a gas compression device, a refrigeration cycle device, a hydrate generation / decomposition device, a hydrate cold storage device, a water cycle device, a gas hydrate storage device, and a sensing and monitoring device.
[0016] The gas separation system of the separation and storage device is provided with a first-stage separation trunk circuit and a two-stage parallel separation branch circuit. Secondary gas compressor 7 , secondary biogas refrigeration cycle heat exchanger 9 , primary hydrate generation reactor 12 and primary hydrate decomposition reactor 14 .
[0017] The two-stage parallel separation branch includes two: the first is the recovery of carbon dioxide gas in the higher concentration methane separation gas, and the second is the purification...
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