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What is relationship between light naphtha RVP and LPG ?
If more LPG in light naphtha so RVP will increase or decreases?
What is the the specifications for Light Naphtha RVP?
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Light Naphtha Rvp
Started by Divid Kelin, Apr 12 2021 12:48 AM
2 replies to this topic
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#2
Pilesar
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Posted 12 April 2021 - 07:13 AM
I think of RVP as indirectly measuring the percentage of butane. The results are pretty close for RVPs near 5 psi as usual for gasoline. Before RVP was a spec, butane in gasoline improved the performance of some lab tests for quality and was cheap for the refiners to include in the gasoline blend. Precise specs are negotiated between buyer and seller.
#3
SilverShaded
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Posted 14 April 2021 - 01:58 AM
RVP is important mostly for storage reasons. More LPG gives higher vapour pressure and usually there is a limit on RVP for storage of naphtha in a tank. Butane has good octane and is advantageous to blend it into gasoline but only up to the storage limit or product specification for winter or summer gasoline.
Edited by SilverShaded, 14 April 2021 - 01:58 AM.
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