| abstract |
The invention discloses a method for producing 1-butene by utilizing mixed C4. The mixed C4 raw material undergoes a reaction of isomerizing 1-butene into 2-butene under hydrogen conditions, and simultaneously, four groups of light carbons are separated. Then, the obtained heavy carbon four materials containing 2-butene and n-butane are isomerized to 1-butene under hydrogen conditions, and finally 1-butene is obtained by separation. The invention produces 1-butene products by adopting the operation mode of the double-reaction rectifying tower and the operation mode of high and low pressure operation. Compared with the traditional method, the process flow is simple, the utilization rate of n-butene is high, and the carbon tetrahydrocarbon is improved. comprehensive utilization and added value. |