Search Axens.net

C₄ Isomerization

C4 isomerization is a process allowing to restore the thermodynamic equilibrium (iC4/nC4) in a C4 paraffinic cut. Integrated with an alkylation unit, this process allows to provide the missing isobutane to the alkylation reaction. 

-
Conference
Marseille, France - CET
3 days
Learn more
Post Combustion Capture Conference PCCC-8
The 8th Post‑Combustion Capture Conference (PCCC‑8) is organized by IEAGHG and will take place September 16–18, 2025 at the World Trade Center in Marseille, France.
This three-day event brings together 200–250 industry, academic, and government experts to discuss the latest advances in post‑combustion CO₂ capture technologies, including pilot plants, demonstrations, and operational CCS projects.
Carbon Capture, Utilization & Storage
APH
Aromatics Extraction
Extractive Distillation
Liquid Liquid Extraction (LLE)
Blue Hydrogen
DeNOx
Energy Efficiency
LOHC
Toluene (TL) Hydrogenation
MethylCycloHexane (MCH) DeHydrogenation
SPERA Hydrogen
Benzene Hydrogenation
Benzene Production
Bio Aromatics
Bio Olefins
Bio Ethylene
Bio Butadiene
C₄ Fractionation
Butene-1 recovery
Isobutene Recovery
C₄ Isomerization / Alkylation / Olefins Hydrogenation
Feed Purification
Sulfuric Acid Alkylation
C₄ Isomerization
Fluoridric Acid Alkylation
Solvent hydrogenation
C₄ Upgrading
C₅ Skeletal Isomerization
C₅-C₆ Isomerization
Once-through
Octane Enhancement
Advanced Recycle
Catalytic Cracking
VGO FCC
HS FCC
Resid FCC
High Propylene FCC
Catalytic Reforming
CCR Reforming
Cyclic Reforming
Semi-reg Reforming
Catalytic Reforming
CDU (Crude Distillation Unit)
Cellulosic Ethanol
CO₂ Capture
CO₂ Gas Drying
Process Technologies
Drying Series Adsorbent
Sulfur Removal for Oil, Gas & Petrochemicals Adsorbent
Europe
+50
Learn more

Technical Article - Isomerisation: opportunities for a more sustainable refining industry

Axens Technologies for IRPC Public Company Limited in Thailand

IRPC Public Company Limited, a company specialized in the production of Petrochemical and Refining products in Thailand, selected Axens to supply technologies for its new Upstream Project for Hygiene and Value Added Product (UHV project).

Find out more
picto NGL & Condensates + 7
picto Oil Refining C₄ Isomerization FCC Naphtha Hydrotreating NGL & Condensates Sweetening Oligomerization Residue Hydroconversion & Hydroprocessing Process Technologies
Conference
New Orleans - GMT-5
2 days
Learn more
American Fuel & Petrochemical Manufacturers (AFPM) Summit
The Summit: Excellence in Plant Performance blends AFPM’s traditional refining and petrochemical manufacturing technical curriculum with new creative opportunities that drive excellence in plant performance. Topics and themes throughout the conference will highlight emerging process technologies, process safety, improved reliability and operations, mechanical integrity, training, leadership, and culture.
Petrochemicals
Renewable Fuels & Bio-Based Chemicals
Aromatics Extraction
Extractive Distillation
Liquid Liquid Extraction (LLE)
Benzene Hydrogenation
Benzene Production
Bio Aromatics
Bio Olefins
Bio Ethylene
Bio Butadiene
C₄ Fractionation
Butene-1 recovery
Isobutene Recovery
C₄ Isomerization / Alkylation / Olefins Hydrogenation
C₄ Isomerization
Fluoridric Acid Alkylation
Sulfuric Acid Alkylation
Feed Purification
Solvent hydrogenation
C₄ Upgrading
C₅ Skeletal Isomerization
C₅-C₆ Isomerization
Once-through
Octane Enhancement
Advanced Recycle
Catalytic Cracking
VGO FCC
Resid FCC
High Propylene FCC
Catalytic Reforming
CCR Reforming
Cyclic Reforming
Semi-reg Reforming
Catalytic Reforming
CDU (Crude Distillation Unit)
Cellulosic Ethanol
CO₂ Capture
CO₂ Gas Drying
Cyclohexane Production
Diesel Hydrotreating
EDC Cracking
Etherification
FCC Naphtha Hydrotreating
FCC Naphtha Sweetening
Gas Dehydration & Purification
Solvent Processes
Dew Pointing
Adsorbents
Gas Sweetening
Solvent Based Processes
Cryogenic Processes
Catalytic Processes
Adsorbents
High-conversion Hydrocracking
Kerosene Sweetening / Hydrotreating
Sweetening
Hydrotreating
LNG
LPG Sweetening & Olefins Recovery
LPG Sweetening
Olefins Recovery
Lube Plant
Hydrorefining
Lubes Hydrofinishing
Hydroisomerization & Hydrofinishing
White oils Hydrotreating
Wax Hydrotreating
MEG Recovery
Naphtha Treatment
NGL & Condensates Sweetening
NGL Recovery & Treatment
Olefins Purification
Phenol Production
Oligomerization
Olefins Purification
Ethylene Purification
Comonomer Purification
Propylene Purification
Olefins Removal
Olefins Selective Hydrogenation
C₂ Selective Hydrogenation
C₃, C₄, C₅ Selective Hydrogenation
C₅+ Pygas Hydrogenation
Oligomerization
Heterogeneous Oligomerization
Homogeneous Oligomerization
Oligomerization
Ethylene
Butene
Paraxylene Purification & Production
Phenol Production
Renewable Diesel and Jet
Americas
+93
Learn more

C₄ Isomerization (part of ALKEMAX™ SAA Block)

Axens offers C4 Isomerization technology based on the use of ATIS-1L catalyst, a very high activity chlorinated alumina catalyst.

ATIS-1L allows effective operation at low temperatures and delivers a very high equilibrium conversion rate of normal butane to isobutane.

Simple and cost-effective technology
Effective operation at low temperatures
Download Commercial Bulletin
Related Offer
Modular Unit
C4 isomerization
Catalysts

Isomerization Catalysts

Chlorinated alumina ATIS 1L is the catalyst of choice thanks to its high activity permitting operation at lower reactor temperatures that enable higher iC4/nC4 equilibrium and favor superior yields.

Chlorinated alumina ATIS-2L is the catalyst of choice thanks to its high activity permitting operation at lower reactor temperatures that enable higher product RON and favor superior yields

Read more
Adsorbents

Sulfur Removal Adsorbents for Oil, Gas & Petrochemicals

Hydrogen sulfide (H₂S), COS, mercaptans or sulfides are common contaminants that must be removed from various gases and liquids such as natural gas, NGLs, LPGs, cracked gases, olefins or biogas.

Read more
Adsorbents

Mercury Removal Adsorbents

Mercury removal from hydrocarbons is crucial due to HSE-related issues, corrosion problems and downstream catalyst poisoning.

Read more
Adsorbents

Drying Series Adsorbents

Water removal applications are widely encountered in the industry sector. Activated alumina and molecular sieves stand at the forefront of the several different materials available on the market.

Read more
Adsorbents

Chloride Removal Adsorbents

Chloride is important in both catalytic reforming and isomerization as it helps to maintain catalytic activity over time. However, as chloride is continuously fed into these units, it also has to exit.

Read more
Subscribe to C₄ Isomerization