Regarding the effects of Low-MethaV9
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It is certain that the V9 setup is necessary; otherwise, the low-methane reforming process in Weihe would not have included this V9 unit. V9 primarily serves to separate acidic gases and reduce the load on the C5 unit. So, just how much impact do the acidic gases dissolved in the methanol hydrates separated by V1 have on the C5 unit? In other words, to what extent does the V9 setup contribute to the optimization of the low-methane reforming process?
The methanol aqueous solution coming through V1 contains a certain amount of acidic gases; V9 can act in a manner similar to flashing, providing a buffer for the flow entering C5, thereby facilitating the operation and stability of C5.
It is very necessary; many technical upgrades include the use of V9, a feature that was not present in the original Linde process. By incorporating this element, corrosion caused by acidic gases on the five towers can be reduced, thereby extending their lifespan. Secondly, it facilitates the operation of these towers under various conditions. Thirdly, it reduces the load on the towers, resulting in more satisfactory process parameters at both the top and bottom of the towers