Fuel with high cleanness
A technology for clean fuels and aromatic hydrocarbons, applied in the field of environmentally friendly fuels and cleanliness, can solve the problems of complex preparation and complex components, and achieve the effect of clean fuel system, good anti-knock performance and good acceleration performance.
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[0020] Example 1
[0021] (1) Preparation of methanol etherification solution
[0022] Mix methanol with refinery C4 fraction and cracking C5 fraction raffinate (taken from the raffinate of the C5 separation unit of Lanzhou Xinlan Petrochemical Co., Ltd.), and the quality of the refinery C4 fraction and C5 raffinate The ratio is 1:1, each containing about 50% by mass of monoolefins. The molar ratio of methanol to monoolefins in C4C5 is 1:1. The mixture is heated and sent to the etherification reactor for etherification reaction The vessel is equipped with etherification catalyst XY-15M type, which is produced by Lanzhou Xinyou Petrochemical Co., Ltd. The liquid phase volumetric space velocity of methanol is 0.2h -1 The etherification temperature is 145°C, the reaction pressure is 0.5 MPa, the etherification reaction occurs in the etherification reactor, and the temperature is lowered to room temperature to obtain the methanol etherification liquid.
[0023] (2) Blending high clean f...
Example Embodiment
[0026] Example 2
[0027] (1) Preparation of methanol etherification solution
[0028] The preparation of the methanol etherification solution is the same as in the examples.
[0029] (2) Blending high clean fuel
[0030] Based on the mass percentage of the prepared high-clean fuel, the obtained methanol etherification liquid, crude C9 aromatics (taken from the Lanzhou aromatics plant), refinery C4 fraction and cracked C5 fraction raffinate are 8%, 36% , 28% and 28% are mixed, and the mixed liquid is sent to a homogenizer for homogenization to obtain the highly clean fuel of the present invention.
Example Embodiment
[0031] Example 3
[0032] (1) Preparation of methanol etherification solution
[0033] The preparation of the methanol etherification solution is the same as in the examples.
[0034] (2) Blending high clean fuel
[0035] Based on the mass percentage of the prepared high-clean fuel, the obtained methanol etherification liquid, crude C9 aromatics (taken from the Lanzhou aromatics plant), refinery C4 fraction and cracking C5 fraction raffinate are 12%, 39% , 24% and 25% are mixed, and the mixed liquid is sent to a homogenizer for homogenization to obtain the highly clean fuel of the present invention.
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