Method for producing alkylate by low-temperature hydro-alkylation of C4 olefins
A carbon tetraolefin and alkylated gasoline technology, which is applied in the production of liquid hydrocarbon mixtures, petroleum industry, organic chemistry, etc., can solve the problems of reducing the comprehensive utilization value of carbon tetraolefin, and achieve the effect of short service life in one pass
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0027] Refinery heavy carbon four is the reaction raw material, and its olefin content is as high as 79% (w). Catalyst A is used as the catalyst for the alkylation reaction, and strip-shaped aluminum oxide is used as the inert material. The volume ratio of the catalyst and the inert material is 1:1 into a fixed bed reactor. At a reaction temperature of 250°C, a reaction pressure of 2.0Mpa, and a liquid volume space velocity of 0.8h -1 1. Under the reaction condition of hydrogen oil ratio of 120:1, the alkylation reaction is carried out in a fixed bed reactor, and the yield of liquid above C5 can be as high as 75% to 80% in the process of running for 1260 hours. The sum of linear alkanes and branched alkanes in alkylated oil is higher than 63%, naphthenics is 11.97%, benzene is as low as 0.35%, total aromatics is 10.14%, and olefins are less than 1.5%. In the gas phase products generated, the dry gas content is as low as 0.004% to 0.005%. The octane number of the liquid-phase...
Embodiment 2
[0029] The reaction raw materials and the catalyst are the same as in Example 1, and the strip ceramics are used as the inert material, and the catalyst and the strip ceramics are added to the fixed-bed reactor at a volume ratio of 1.1:1. At a reaction temperature of 280°C, a reaction pressure of 2.5Mpa, and a liquid volume space velocity of 1.0h -1 1. Under the reaction condition of hydrogen oil ratio of 150:1, after the alkylation reaction in the fixed bed reactor, the liquid yield is as high as 75% or more in the process of running for 1240 hours. The sum of linear alkanes and branched alkanes in alkylated oil is higher than 67%, naphthenics is 11.95%, benzene is as low as 0.58%, total aromatics is 11.49%, and olefins are less than 1.5%. In the gas phase products generated, the dry gas content is as low as 0.004% to 0.005%. The liquid phase produced oil had an octane number of 93.8 (RON).
Embodiment 3
[0031] Refinery heavy carbon four is used as reaction raw material, and its olefin content is as high as 82% (w). Catalyst B is used as catalyst for alkylation reaction, and strip-shaped aluminum oxide is used as inert material. Ratio of 0.8:1 into the fixed bed reactor. At a reaction temperature of 230°C, a reaction pressure of 1.8Mpa, and a liquid volume space velocity of 1.1h -1 1. Under the reaction condition of hydrogen oil ratio of 160:1, after the alkylation reaction in the fixed bed reactor, the liquid yield is as high as 75% or more in the process of running for 1300 hours. The sum of linear alkanes and branched alkanes in alkylated oil is higher than 68%, naphthenic content is as high as 13.50%, benzene content is as low as 0.21%, total aromatics content is 11.10%, and olefin content is less than 1.5%. In the gas phase products generated, the dry gas content is as low as 0.002%. The octane number of the liquid-phase forming oil was 94.6 (RON).
PUM
| Property | Measurement | Unit |
|---|---|---|
| diameter | aaaaa | aaaaa |
| length | aaaaa | aaaaa |
| density | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More