Besides cladding technology, what other technologies are used in PTA hydrogenation reactors?

2022-08-09View Original

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Besides cladding technology, what other technologies are used in PTA hydrogenation reactors?

Reply #22022-08-10

Is it feasible to use composite panels?

Reply #32022-08-10

Yes, why not use a composite panel for this?

Reply #42022-08-10

This post was last edited by wanlirn on 2022-8-10 at 11:06. Usually, 309 is used; some cases involve Hastelloy. However, PTA can reach high temperatures of 350 degrees, so composite plates are not suitable. The coefficient of expansion difference is too large

Reply #52022-08-10

At the original location of the flue gas main in the desulfurization absorption tower, a welding process using C276 steel plates was employed; this material is more expensive, and as mentioned above, the temperature variations during welding are not suitable

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