Method For Preparing Cracking Furnace Fuel

Abstract: The present invention provides a method for preparing a cracking furnace fuel, comprising the steps of: preparing a first methane off-gas stream derived from a liquid cracking furnace and a second methane off-gas stream derived from a gas cracking furnace; diverting some of the first methane off-gas stream to a methane off-gas exhaust stream, and obtaining a first fuel gas stream from the rest; obtaining a second fuel gas stream from the second methane off-gas stream; mixing the first and second fuel gas streams, thereby preparing a mixed fuel gas stream; and mixing the mixed fuel gas stream with a hydrogen gas stream.

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