Petrochemical Purification

Protect Your Plant Performance with BASF Olefin Purification Solutions

For reliable product quality and uninterrupted plant operation

Even trace contaminants in olefin streams can affect product quality, reduce catalyst lifetime, and lead to unplanned downtime. BASF adsorbents help you reliably remove these impurities, ensuring stable operation, consistent product quality, and compliance with demanding standards.

With more than 50 years of experience, BASF provides tailored purification solutions for industries that generate, recover, and process olefins, supporting efficient and reliable operation across your entire process.

Why BASF?

Protect your process and product quality: highly effective removal of trace contaminants

Ensure stable operation: long lifetime, easy operability and robust mechanical stability

Optimize your process performance: tailored solutions for specific feed streams, complete purification systems

Rely on global expertise: dedicated technical support and application know-how, outstanding global technical support and distribution

Learn more about our portfolio for the purification of waste plastics pyrolysis feeds.
PuriCycle® for Chemical Recycling

Designed to remove specific contaminants at every stage of your process:

  • Selexsorb® Activated Aluminas
  • PuriStar® and ProsorbTM Metal Oxide-based products
Purifying for Energy Transition
Check out our catalysts & adsorbents for purifying CO2/ H2/ Syngas
Selexsorb®
Selexsorb® CD is specifically formulated to remove polar contaminants, including water, oxygenates (alcohols, aldehydes, ketones, ethers, peroxides), sulfur compounds (mercaptans, sulfides), and nitrogen-based impurities (ammonia, amines, nitriles), ensuring reliable product quality and stable downstream operation.
PuriStar®
PuriStar® R3-16 is a high‑efficiency CuZn catalyst designed for the purification of polymer‑grade ethylene, helping you achieve consistent product quality and protect downstream processes.
Prosorb
Prosorb N is a next‑generation, nickel‑based adsorbent designed for use in sulfur guard beds for naphtha reforming and isomerization units, efficiently removing trace sulfur species to protect downstream catalysts and ensure stable, reliable operation.

Applications for Olefin Purification Adsorbents

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BASF adsorbents are used across the entire petrochemical value chain, from refineries for ethylene and propylene recovery, to steam crackers for cracked gas purification, and downstream applications such as EPDM and butanol plants, helping you ensure product quality and reliable operation at every stage.

The graphic below shows typical application points and where BASF adsorbents are used within your process. Click on “+” to explore the details.

You can also identify the most suitable products for your application by exploring our portfolio, click here.

Application Puristar® Selexsorb® Other (Guard Bed)
Treatment of Ethylene used in PE Unit or Styrene Units
R3-15, R3-16, R3-26 CD, CDL, COS, COSi, CDi R0-20, Zn 9201
Treatment of Propylene used in PP and Cumene Units
R3-12, R3-22, R3-15, R3-17RED As, CD, CDL, CDi, COS, COSi H0-14, Prosorb, Prosorb P*
Treatment of C2 and C3 streams in front of selective hydrogenation units in steamcrackers
R9-PAR, R9-SR E 315
Treatment of streams in PDH units
R3-12, R3-22, R9-PAR, R9-SR As, CD, CDL, CDi, COS, COSi E 315
Treatment of streams in OCT units
CD, CDL, CDi, COS, COSi
Treatment of streams from catalytic cracking units (ERU, PRU)
R3-12, R3-81, R8-21, R9-PAR, R9-SR As, CD, CDL, CDi, COS, COSi, Hg E 315, H0-14
Treatment of higher olefins
R3-12, R3-22, R3-17RED CD, CDL, CDi, COS, COSi Prosorb, Prosorb P*
* For information not available here, please contact us.

Technologies and Products

BASF offers a comprehensive portfolio of adsorbents for olefin purification, designed to remove specific contaminants and support reliable plant operation. Our solutions are based on a broad range of active materials, selected and tailored to your purification challenge:

  • Alumina and modified alumina – for removal of polar compounds such as water and oxygenates
  • Copper and copper-zinc systems – for purification of polymer-grade streams
  • Nickel-based adsorbents – for efficient sulfur removal
  • Noble metal-based solutions – for selective removal of trace contaminants
  • Specialized base metals (e.g. Bi, Zn, Pb) – for targeted purification of specific impurities
  • Molecular sieves (A and X types) – for highly selective adsorption and drying

This broad technology base enables BASF to provide tailored purification solutions for each process and contaminant profile.

Product Data Sheets

Brochures and Guidelines 

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Talk to our experts about your purification challenge