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Oligomerization

Axens homogeneous oligomerization technologies rely on strong expertise accumulated over 50 years in order to provide the most efficient and cost-effective solutions to produce high purity 1-Butene and 1-Hexene via ethylene dimerization and trimerization, as well as octenes by means of butenes dimerization.

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Process Technologies

AlphaButol® - Dimerization to 1-Butene

The AlphaButol® process is the industry’s benchmark for the production of high purity 1-butene via ethylene dimerization producing at date 32 % of butene-1 world capacity.

Using homogeneous catalysis, this technology produces the highest butene-1 purity on the market with a yield higher than 90 %.

40 AlphaButol® licensed with a cumulated capacity of > 1, 000,000 t/y
High purity 1-butene suitable for LLDPE and HPDE
Process simplicity and ease of operation
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Modular Unit
alphabutol

AlphaHexol™ - Trimerization to 1-Hexene

AlphaHexol™ process produces high purity 1-hexene by ethylene trimerization suitable as comonomer for Linear Low-Density PolyEthylene (LLDPE) or High-Density PolyEthylene (HDPE) production.

This oligomerization process similar to AlphaButol® technology operates in the liquid phase using a soluble catalyst system.

4 AlphaHexol™ units have been licensed
High purity 1-hexene suitable for LLDPE and HDPE
Efficient ethylene feed use
EN CN
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Modular Unit
alphahexol

DimEne-B® - Dimerization towards high purity synthetic C₄ fraction

DimEne-B® supports the transition of the petrochemical industry towards chemicals. DimEne-B® is part of Axens Homogeneous Catalysis Portfolio, positioned to deliver large Butene-1 production capacity in a single train configuration by ethylene dimerization. This treatment specifically focuses in capacities larger than 150-200kta of Butene-1 per train with high selectivity level. 
This treatment allows also to co-produce high purity Butene-2, which can be advantageously valorized in the petrochemicals field (metathesis, INA, MEK, Butadiene…) and produce synthetic rich olefins C₄ fraction.

Axens provides also DimEne-B® associated services such as technical consulting and studies, as well as technical project, engineering work and studies including surveys in the field of C₄ fraction production.

Deliver large Butene-1 production capacity in a single train configuration
Can be configured to produce synthetic high purity n-butenes from Ethylene
Key technology to convert Ethylene to Propylene via metathesis without butenes feedstocks
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Consulting

Catalysts & Grading Materials

Catalysts

Oligomerization Catalysts

Oligomerization technologies achieve high conversions of light olefinic fractions into higher value gasoline and middle distillates in association with dedicated catalysts specially developed for these applications.

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Adsorbents

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.

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Adsorbents

Purification Series Adsorbents

Material specially developed to achieve your feedstock’s specification requirements.

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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.

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Consulting, Supply & Support

Consulting, Studies & Audits

Axens offers a customized approach, including tailored studies, audits and consulting services, covering technical and operational challenges.

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Unit Revamps & Retrofits

You face many challenges, which include operating in a safe, reliable and environmentally sound manner while responding to changing markets dynamics.

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Customer Training

Designed for all Axens technologies, dedicated to operators & engineers, Axens offers customized training solutions to all our licensees, covering the whole range of Axens technologies.

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Technical Support & Performance Management

Axens is fully committed to be your partner and provide assistance and support during your project lifecycle, from conception to start-up & running operations.

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Digital Services & Applications

Axens' digital platform combines real-time data and digital solutions to optimize operations, reduce environmental impact, and lower costs while maximizing profitability. By delivering actionable insights and detailed performance reports, it enhances asset operation and performance for smarter, more efficient outcomes.

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Process Technologies

Dimersol™-X – C₄ dimerization

Axens’ Dimersol™-X process transforms butenes to octenes that are ultimately used in the manufacture of plasticizers via isononanol (isononyl alcohol), and diisononyl phthalate units.

38 Dimersol™ licensed treating various olefinic C3 and C4 cuts
Typical octenes production capacities range from 20,000 t/y to 270,000 t/y
Commercial Bulletin
Related Offer
Modular Unit
dimersol X

Catalysts & Grading Materials

Catalysts

Oligomerization Catalysts

Oligomerization technologies achieve high conversions of light olefinic fractions into higher value gasoline and middle distillates in association with dedicated catalysts specially developed for these applications.

Read more

Adsorbents

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

Purification Series Adsorbents

Material specially developed to achieve your feedstock’s specification requirements.

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

Consulting, Supply & Support

Consulting, Studies & Audits

Axens offers a customized approach, including tailored studies, audits and consulting services, covering technical and operational challenges.

Read more

Unit Revamps & Retrofits

You face many challenges, which include operating in a safe, reliable and environmentally sound manner while responding to changing markets dynamics.

Read more

Customer Training

Designed for all Axens technologies, dedicated to operators & engineers, Axens offers customized training solutions to all our licensees, covering the whole range of Axens technologies.

Read more

Technical Support & Performance Management

Axens is fully committed to be your partner and provide assistance and support during your project lifecycle, from conception to start-up & running operations.

Read more

Digital Services & Applications

Axens' digital platform combines real-time data and digital solutions to optimize operations, reduce environmental impact, and lower costs while maximizing profitability. By delivering actionable insights and detailed performance reports, it enhances asset operation and performance for smarter, more efficient outcomes.

Read more
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Resources

Technical article

Technical Article - Maximize Refinery Profitability with Novel RFCC Technologies

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Whitepaper

White Paper - Crude-to-Chemicals

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Technical article

Technical Article - Tackling the Gasoline / Middle Distillate Imbalance

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Technical article

Technical Article - Using Technology to Increase Middle Distillate Production

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More resources
Whitepaper

White Paper - Crude-to-Chemicals

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See all Whitepapers
Technical article

Technical Article - Maximize Refinery Profitability with Novel RFCC Technologies

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Technical article

Technical Article - Using Technology to Increase Middle Distillate Production

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Technical article

Technical Article - Tackling the Gasoline / Middle Distillate Imbalance

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Technical article

Technical Article - Shale Gas Drives New Opportunities For US Downstream

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FAQ

We are aiming to boost our FCC propylene output. What recent developments would you recommend?

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See all FAQ
Press release

Aramco And Sumitomo Chemical Sign Licensing Agreement For Axens’ AFA Technology

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Press release

Gevo Selects Polynaphtha™ Technology and Engineering from Axens

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Press release

Arcanum Infrastructure successfully startup Axens AlphaButol® technology at its Raven Butene-1 facility in Houston, TX

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Press release

Axens’ Technologies for HPCL Rajasthan Refinery in India

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