Isomerization reactors
Details
Specifications
Standards
GOST 34347 / API RP 934 / ASME Sec. VIII / GB 150
Operating Pressure
From 1.5 to 3.5 MPa
Medium Temperature
from 120 to 280°C
Materials
Steel 09G2S, 16GS, 12XH (or equivalents according to ASME, GB, EN)
Design Type
Vertical cylindrical apparatus of shaft type with a fixed catalyst bed and axial feed of feedstock
Type of Catalyst
Platinum on various supports (chlorinated alumina oxide, sulfated zirconia oxide or zeolite)
Working Media
Pentane-Hexane Fraction (Light Naphtha)
Pre-hydrotreated and dehydrated straight-run gasoline fraction with boiling range NK-70 °C, enriched with n-pentane and n-hexane.
01
Aromatic Extraction Raffinates
Non-aromatic paraffins after extraction of aromatics (benzene and toluene), directed to isomerization to increase octane number
02
Recycle Fraction of n-Alkanes
Return flow of n-pentane and n-hexane from isomerate separation columns (deisopentanizer/deisophexanizer)
03
Areas of application
Low-Temperature and Medium-Temperature Isomerization Units
Production of environmentally friendly high-octane components for commercial gasoline with minimal benzene, aromatic, and olefin content.
Pentane Fraction Isomerization Units in Petrochemical Productions
Production of high-purity isopentane as feedstock for subsequent synthesis of monomers (isoprene).
List of Components
01
Supply Completeness
Cylindrical body with support skirt and loading/unloading hatches, upper feed distribution device, support-grate with filtering meshes, anti-vortex baffles, set of flanges, studs and gaskets, multi-zone thermal pockets, commissioning spare parts kit, set of permitting and shipping documentation, etc.
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