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Systems and methods for processing heavy oils by oil upgrading followed by steam cracking
Systems and methods for processing heavy oils by oil upgrading followed by steam cracking
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摘要
According to one embodiment, a heavy oil may be processed by a method that may include upgrading at least a portion of the heavy oil to form an upgraded oil, where the upgrading includes contacting the heavy oil with a hydrodemetalization catalyst, a transition catalyst, a hydrodenitrogenation catalyst, and a hydrocracking catalyst to remove at least a portion of metals, nitrogen, or aromatics content from the heavy oil and form the upgraded oil; and passing the upgraded oil to a steam cracker and steam cracking the upgraded oil to form a steam-cracked effluent; and where the final boiling point of the upgraded oil is less than or equal to 540° C.
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