The color of the catalytic cracked naphtha has turned yellow – any advice?

2018-04-15View Original

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The color of the hydrocracked heavy naphtha turns yellow after passing through the desulfurization tank; could someone please help analyze the reason? Express

Reply #22018-04-15

Is the nitrogen issue resolved? Is there oxidation, poor light stability, and is the content of light hydrocarbons high?

Reply #32018-04-15

The olefin content is not high, around 0.44%

Reply #42018-04-15

I have a heavy naphtha desulfurization tank equipped with copper-nickel-based desulfurizing agents. The color of the heavy naphtha is normal before it enters the desulfurization tank, but it turns yellow after exiting the tank

Reply #52018-04-18

Has the lower desulfurization tank been contaminated?

Reply #62018-04-19

Has a comparative analysis been conducted before and after adding the weight stones to the desulfurization tank to see which parameters change?

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The color of the catalytic cracked naphtha has turned yellow – any advice?

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