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C4 Chemistry production 


In the C4-based chemical field we guarantee the highest product quality for more than 50 years. With this background, we have established a cross-site production network which is unique worldwide.


We operate two integrated production sites in Marl and Antwerp

At our two sites in Marl, Germany and Antwerp, Belgium, we operate coordinated and integrated production networks. As the main raw material, crack C4 is present at the beginning of the value chain. This is obtained when crude oil is “cracked.”

We are technology leader in C4-Chemistry

Elements FCC C4 Innovationspreis

Our integrated C4-technology platform features excellent exploitation of the raw materials: All the hydrocarbons present in crack C4 are used to create products. This saves resources and increases cost effectiveness.

Both production sites were expanded significantly in 2015. In our C4 plant in Marl, we also introduced a new and innovative procedure, which is unique world wide. The technology enables us now to process substance flows from the fluid-catalytic-cracking processes (FCC). With this innovation, we have cemented further our position as technology leader.

Evonik expands capacity for specialty alcohol ITDA

Due to the outstanding technical properties and high effectiveness of ITDA, global demand has been growing for years. We have reacted to the changing market conditions and expanded our production capacity high-purity C13 alcohol isotridecanol (ITDA) at the Marl Chemical Park accordingly.

Press release: ITDA capacity expansion
Evonik improves raw material supply via FCC-C4

Performance Intermediates (PI) is the only producer worldwide who - in addition to applying Steam Cracker based “Crude C4” - can also make use of an unique raw material from refineries: Fluid Catalytic Cracking based “FCC-C4” . Follow the link and find moren information about PI intelligent production network.

Evonik Performance Intermediates FCC-C4 Expansion  (pdf, 177 KB)
Award - FCC C4 - Innovation
AND the Evonik Innovation PRIZE goes to...

Thanks to a special purification process Evonik is the only company worldwide that can use FCC C4 from refineries as feedstock for the production of in-demand industrial chemicals. 

Read more!

FACING THE CHALLENGE OF NEW FEEDSTOCK SUPPLY - FCC-C4

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We make digitalization simple with our latest C4Connect® offerings.


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Have a look at our C4-based intermediate chemicals and additives.


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Our products are used in various applications and markets.


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