MOL Group Invests in Propylene Production

Key highlights
  • MOL signed a contract with McDermott for engineering and technology licensing.
  • The unit will produce 100,000 MTA of polymer-grade propylene.
  • The project will use Lummus' OCT and CDHydro\u00ae Deisobutenizer.
  • The unit will also produce an isobutene-rich stream.
Related project For subscribers
Milestones, plant data, involved companies (owners, investors, licensors, contractors) and news — kept up to date.
Mol Mol Olefins Conversion Technology (OCT) Unit · Hungary
Operational / Completed
2019-06-07
~2023

Contract Signing

MOL Petrochemicals has signed a contract with McDermott International, Inc. for the basic engineering, technology license, catalyst, and Front End Engineering Design (FEED) for an Olefins Conversion Technology (OCT) unit. This unit will be located at MOL Petrochemicals' complex in Tiszaújvaros, Hungary.

Production Capacity

Once completed, the new unit will have a production capacity of 100,000 MTA of polymer-grade propylene. The feedstocks for this production will come from steam cracker and refinery sources.

Technological Components

The project will utilize Lummus’ proprietary Olefins Conversion Technology (OCT) and CDHydro® Deisobutenizer. These technologies are known for their efficiency and low energy consumption, making the production process more economical and environmentally friendly.

Additional Outputs

In addition to polymer-grade propylene, the unit will also produce an isobutene-rich stream, further enhancing the versatility and output of the facility.

chemXplore Weekly

The week’s project milestones and project news from the chemical industry, free every Wednesday.

Free. One email a week. Unsubscribe any time.

Related articles

27 May 2026
MOL begins Olefin-1 plant restoration

Investigation done; risks cleared and approvals granted. Hydrocarbon removal continues. Cleaning, inspections and repairs start; restart may take months. Injured staff improving; fuel supply unaffected.

23 May 2026
MOL opens probe into Olefin-1 incident at Tiszaújváros

Cooperating with authorities; unit draining underway for damage assessment. Two discharged, seven hospitalized (stable). Psychological support provided. Fuel supply unaffected; other units operating.

22 May 2026
MOL Olefin-1 explosion in Tiszaújváros

Explosion during unit restart left one worker dead and nine injured; fire extinguished. Investigation under way. Other complex units keep running; refining and fuel supply unaffected; event insured.

22 May 2026
MOL Petrochemicals explosion in Tiszaújváros — one dead, several injured

Fire at olefin plant is being extinguished; company cooperating with authorities. CEO en route. Company expresses condolences and regards the colleague as part of the corporate group.

22 December 2025
Clariant Denies Competition Law Allegations by MOL Group and Braskem

Clariant received damage claims totaling EUR 950 million related to 2020 competition law infringement but rejects the allegations, citing no market impact.