Sub-Product

Main Product
Gasoline
Segment
Refined Products
Main-Family
Refinery Liquids
Sub-Family
Light Distll. & Proc. Hydroc.
Physical State

Liquid

Sub-Product
Isomerates
Alt. Names
iso-Paraffins; Isomerized Naphtha
Description

Isomerization processes have been used to isomerize n-butane to iso-butane used in alkylation and C5/C6 n-paraffins in light naphtha to the corresponding iso-paraffins to produce high-octane number gasoline stocks after the adoption of lead-free gasoline.

Catalytic isomerization processes that use hydrogen have been developed to operate under moderate conditions. Typical feedstocks for isomerization process include hydrotreated light straight-Run Naphtha, light natural gasoline, or condensate. The fresh C5/C6 feed combined with make-up and recycled hydrogen is directed to a heat exchanger for heating the reactants to reaction temperature. The heated feed is sent to the reactor. Typical Isomerate product (C5+) yields are 97 wt% of the fresh feed, and the product octane number ranges from 81 to 87, depending on the flow configuration and feedstock properties.

 

Source: Isomerization, PennState College of Earth and Mineral Sciences

Identifiers

No Identifiers defined

Chemical Data
Molecular Weight (g/mol)
70
Specific Gravity
0.80
Properties
Default
Status
A
System Info
Update by
UserPic  Kokel, Nicolas
Updated
1/3/2025 4:39 PM
Added by
UserPic  Kokel, Nicolas
Added
10/11/2021 6:20 AM
Solutions
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Isomerization of linear pentane and hexane into isoparaffins https://dwcinnovations.com/maximize-margins-in-light-naphtha-isomerization/
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Title Date
UserPic Isomerate definition updated. 1/3/2025