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Relation Between H2/ Feeddstock Qualite In Catalytic Reforming Process


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#1 titim

titim

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Posted 13 August 2017 - 06:10 AM

Hi, everyone, i have a question , are there any relations between the purity of hydrogen produced by the catalytic reforming process and the Feedstock  used (qualite, densite...)(books, references...).
Best regards.


#2 colt16

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Posted 23 August 2017 - 12:54 AM

If you are referring to purely from the Reformer, the gas product H2 purity is definitely a function of feed composition. If you have higher naphthenes and aromatics (measured by N + 2A) definitely your reformate yield is higher and thus there is less production of cracked gas. This cracked gas (C1-C5) comes together with the H2. As you can expect, a more paraffinic (straight chain) will give you more gases.  

 

However Reformers are usually equipped with an LPG recovery system to recover this C1 to C5 and then there is a PSA unit to purify the H2 to a very pure H2 product. Therefore, regardless of the feed composition, if you have a PSA unit you will be able to get a very pure H2 product. What might change is not purity but the quantity. 






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