Hydrocarbon adsorption dearylating process
A dearomatization and adsorbent technology, which is applied in the direction of adsorption purification/separation, refined hydrocarbon oil, petroleum industry, etc., can solve the problems that there is no separation of aromatic impurities adsorption cycle method, and achieve the effect of energy consumption optimization
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[0047] The following terms used in the description and claims of the present method are defined as follows: Desorption fluid
[0048] Refers to the fluid used in the cooling, draining / rinsing and desorption steps in the process. Hydrocarbon stream or feed
[0049] Refers to the hydrocarbon stream mixed with aromatics, which is to be treated by dearomatization. cycle hydrocarbon
[0050] Refers to the hydrocarbon feed recovered in the blowdown / flush step. gasified hydrocarbon
[0051] Refers to the effluent from the adsorber mixed with dissolved desorption fluid. hydrocarbon products
[0052] Refers to the effluent hydrocarbons from the degassed stripper (17). Aromatic fraction
[0053] Refers to a hydrocarbon stream mainly containing aromatic compounds, which is sent to the fuel pool. Nitrogen
[0054] is the inert gas used in the adsorbent regeneration step. Another use of this inert gas is to replace the desorption fluid as a desorbent in a closed loop. Adsorbent ...
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