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- 20MVC-18
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Selective hydrogenation catalyst for light gasoline
This catalyst is suitable for removing alkynes and dienes from light gasoline fractions obtained from FCC gasoline. In the new gasoline standard, there are strict regulations on the total olefin content. The fraction of FCC gasoline with a temperature of ≤ 70 ℃ contains more olefins, and there are also more tert olefins that can be etherified. Therefore, the fraction of FCC gasoline with a temperature of ≤ 70 ℃ (light gasoline) is separated and subjected to etherification reaction. The tert olefins that can be etherified react with methanol to generate corresponding ethers, which are then mixed with the heavy gasoline fraction to reduce the olefin content, Added oxygen-containing compounds in gasoline. Due to the presence of 0.5-2.0% dienes in light gasoline, and the etherification catalyst being an acidic resin catalyst, dienes will polymerize on the catalyst, deactivating the catalyst and deepening the product's odor and color. Therefore, it is necessary to remove alkynes and dienes from the product
Catalytic selective hydrogenation can effectively remove alkynes and dienes from light gasoline fractions. Under the action of a catalyst, through the hydrogenation of H2 with alkynes and dienes to generate corresponding monoolefins, the content of alkynes and dienes can be reduced to ≤ 100ppm, and useful monoolefins are not lost or even increased.
This catalyst is suitable for the above process.
