--- title: Case Study - Heat Integration on a CCR Unit description: Discover how a European refiner reduced its carbon footprint and improved energy efficiency on a CCR unit with Axens’ holistic revamp approach, addressing operational issues and optimizing performance. image: https://resources.axens.net/hubfs/Landing%20Pages/Resources/Case%20Study/Thumbnails/Thumb_Axens_CS_APH.jpg --- [![Axens\_Logo](https://resources.axens.net/hubfs/logo_axens.svg "Axens_Logo")](https://www.axens.net?hsLang=en) en [Contact Us](https://www.axens.net/contact-us?hsLang=en) Case study ![AdobeStock\_115430450\_1200px](https://resources.axens.net/hubfs/Blog/Placeholders/AdobeStock_115430450_1200px.jpg) ## Heat Integration on a CCR Unit: Contributing to Reaching Net Zero Emissions by 2050 A European refiner had a strategic objective to reduce its carbon footprint by performing energy savings on the site heaters and heat exchangers, and at the same time solving their recurrent operating issues in their unit and securing optimal operation from turndown to design capacity. Using our holistic approach for revamps, Axens helped this operator respond to their emerging needs while achieving energy efficiency improvement. ### Fill in the form to download this case study ## You might be interested ![Carbon Capture: an Introduction to the Mature and Emerging Technologies](https://resources.axens.net/hubfs/Blog/Illustrations/CCS%20Capture%202.png) Articles Carbon Capture: an Introduction to the Mature and Emerging Technologies ## Subscribe to our business newsletter to stay up to date with Axens news [Subscribe](https://resources.axens.net/business-newsletter?hsLang=en) [![Axens\_Logo](https://resources.axens.net/hubfs/logo_axens.svg "Axens_Logo")](https://www.axens.net?hsLang=en) [Contact us](https://www.axens.net/contact-us?hsLang=en) © 2026 Axens [Cookies Policy](https://axens.net/cookies-management-policy?hsLang=en) Cookies Management [Legal Notice](https://axens.net/legal-notice?hsLang=en)