Diesel color
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The color of diesel fuel is still high after hydrogenation. How to choose operating conditions?
It should be possible to decolorize using solvent extraction.
The color of diesel fuel after hydrogenation is generally 0.5~1.5# which is normal. You should analyze the color of diesel fuel after hydrogenation. If it turns yellow, it may be due to insufficient hydrogenation depth. You can increase the hydrogen partial pressure or temperature appropriately.； If it fluoresces green, the hydrogenation depth is too deep, and the operating conditions can be appropriately relaxed.