--- title: "Waste-to-Energy Plants: The Future of Steel Mills?" description: Explore how technologies like Laser-OES enable circular metallurgy in steelmaking during circular metallurgy international meeting, Bergamo image: https://quantolux.de/hubfs/WhatsApp%20Bild%202024-11-28%20um%2012.25.28_62b8c887-1.jpg --- [Skip to content](https://quantolux.de/en/blog/waste-to-energy-plants-the-future-of-steel-mills#main-content) [![Small_ql-logo_RGB2 - 250px-1](https://quantolux.de/hs-fs/hubfs/Small_ql-logo_RGB2%20-%20250px-1.png?width=360&height=72&name=Small_ql-logo_RGB2%20-%20250px-1.png)](https://quantolux.de/?hsLang=en) - [Home](https://quantolux.de/en/) - Products Show submenu for Products - [Product Overview](https://quantolux.de/en/products) - [AlloyChecker](https://quantolux.de/en/alloychecker) - [QLX1](https://quantolux.de/en/qlx1) - [QLX9](https://quantolux.de/en/qlx9) - [QLX 4.0 Software](https://quantolux.de/en/products-qlx-software) - [Case Studies](https://quantolux.de/en/case-studies) - [Contact](https://quantolux.de/en/contact) - [News](https://quantolux.de/en/blog) - [About](https://quantolux.de/en/about) Open main navigation Close main navigation - [Home](https://quantolux.de/en/) - Products Show submenu for Products - [Product Overview](https://quantolux.de/en/products) - [AlloyChecker](https://quantolux.de/en/alloychecker) - [QLX1](https://quantolux.de/en/qlx1) - [QLX9](https://quantolux.de/en/qlx9) - [QLX 4.0 Software](https://quantolux.de/en/products-qlx-software) - [Case Studies](https://quantolux.de/en/case-studies) - [Contact](https://quantolux.de/en/contact) - [News](https://quantolux.de/en/blog) - [About](https://quantolux.de/en/about) - [Contact us](https://quantolux.de/en/contact) [Contact us](https://quantolux.de/en/contact?hsLang=en) Nov 28, 2024 12:48:35 PM # Waste-to-Energy Plants: The Future of Steel Mills? ![Picture of Alexander Schlemminger, CEO QuantoLux Innovation GmbH](https://quantolux.de/hs-fs/hubfs/Screenshot%202023-04-25%20075636.png?width=50&name=Screenshot%202023-04-25%20075636.png) [Alexander Schlemminger, CEO QuantoLux Innovation GmbH](https://quantolux.de/en/blog/author/alexander-schlemminger) Share: [facebook-f icon](http://www.facebook.com/share.php?u=https://quantolux.de/en/blog/waste-to-energy-plants-the-future-of-steel-mills) [linkedin-in icon](http://www.linkedin.com/shareArticle?mini=true&url=https://quantolux.de/en/blog/waste-to-energy-plants-the-future-of-steel-mills) [Twitter icon](https://twitter.com/intent/tweet?url=https://quantolux.de/en/blog/waste-to-energy-plants-the-future-of-steel-mills) [pinterest-p icon](http://pinterest.com/pin/create/link/?url=https://quantolux.de/en/blog/waste-to-energy-plants-the-future-of-steel-mills) [envelope icon](mailto:?body=https://quantolux.de/en/blog/waste-to-energy-plants-the-future-of-steel-mills) **Waste-to-Energy Plants Producing Steel as a By-Product: The Future of Steel Mills?** Last week, I had the privilege of presenting at the *Circularity in Metallurgy Conference* organized by the *Associazione Italiana di Metallurgia* in the picturesque city of Bergamo, Italy. Standing in what might be the most beautiful conference room in Europe, I shared insights on an exciting and vital topic: the role of advanced technologies in revolutionizing steel production and supporting a circular economy. ### The Challenges of Circularity in Steelmaking Steelmaking is at the forefront of the transition to sustainable industrial practices, but it’s no easy feat. Concepts like recycling, upcycling, and downcycling are integral to achieving circularity, yet they pose unique challenges, particularly when managing slag in electric steelmaking. With increasingly complex and volatile material streams being introduced, maintaining control over slag composition has never been more critical. Slag, a by-product of steelmaking, is an essential part of the process, but deviations in its chemistry can impact both operational efficiency and steel quality. To tackle this, steelmakers need precise, adaptable, and real-time analytical tools to respond swiftly to changes in slag composition. ![Alexander Schlemminger, QuantoLux presenting the fast OES slag analysis](https://14563635.fs1.hubspotusercontent-na1.net/hub/14563635/hubfs/WhatsApp%20Bild%202024-11-28%20um%2011.59.57_40d7879a.jpg?width=1200&length=1200&name=WhatsApp%20Bild%202024-11-28%20um%2011.59.57_40d7879a.jpg) Alexander Schlemminger, QuantoLux presenting the fast OES slag analysis ![Circular Metallurgy conference room, Bergamo Itlay](https://14563635.fs1.hubspotusercontent-na1.net/hub/14563635/hubfs/WhatsApp%20Bild%202024-11-28%20um%2012.25.28_62b8c887.jpg?width=1200&length=1200&name=WhatsApp%20Bild%202024-11-28%20um%2012.25.28_62b8c887.jpg) Circular Metallurgy conference room, Bergamo Itlay ![Carlo Mapelli (left) and Alexander Schlemminger (right) at circular metallurgy international meeting Bergamo November 2024](https://14563635.fs1.hubspotusercontent-na1.net/hub/14563635/hubfs/WhatsApp%20Bild%202024-11-28%20um%2012.26.19_8232c5a7.jpg?width=1200&length=1200&name=WhatsApp%20Bild%202024-11-28%20um%2012.26.19_8232c5a7.jpg) Carlo Mapelli (left) and Alexander Schlemminger (right) at circular metallurgy international meeting Bergamo November 2024 ### Advanced Technologies Leading the Way During my presentation, I highlighted the cutting-edge solution that is reshaping slag management in steelworks: - **Laser Optical Emission Spectroscopy (OES):** This technology provides in-situ analytics, enabling steelmakers to monitor and adjust slag composition in real time. Already adopted at multiple sites across Europe, it supports the precise definition of recycling dusts and other feedstock materials, leading to improved process control. ### Unlocking Circular Potential The potential for slag doesn’t end with steel production. With advancements in post-steelmaking treatments, slag can be transformed into a valuable resource for other industries, contributing to the circular economy and reducing waste. These technologies open doors to innovations that help steelworks operate more sustainably and efficiently. ### The Road Ahead In the evolving landscape of steelmaking, producing high-quality steel will remain the core focus of steel mills. However, the shift from treating slag as mere waste to transforming it into a valuable by-product offers a glimpse into the future of the industry. Advanced tools like Laser-OES empower steelmakers to navigate the increasing complexities of slag management, particularly as the industry incorporates more secondary and lower-quality input materials. These technologies not only enhance process control but also help reduce environmental impacts, paving the way for a more circular and sustainable approach to steel production. Sharing these insights at the Circularity in Metallurgy Conference in Bergamo was an incredible experience. It was an honor to exchange ideas with global experts and collectively envision the future of sustainable steelmaking. Together, we are forging the path toward innovation and environmental responsibility. For details about the conference, visit the [www.aimnet.it/circmet](https://www.aimnet.it/circmet.htm). The conference Programm: [https://www.aimnet.it/public/Eventi/17080993056654.pdf](https://www.aimnet.it/public/Eventi/17080993056654.pdf) Questions? [alexander.schlemminger@quantolux.de](mailto:alexander.schlemminger@quantolux.de)   [QLX9](https://quantolux.de/en/blog/tag/qlx9), [rapid slag](https://quantolux.de/en/blog/tag/rapid-slag), [LIBS](https://quantolux.de/en/blog/tag/libs), [slag analysis](https://quantolux.de/en/blog/tag/slag-analysis), [circular economy](https://quantolux.de/en/blog/tag/circular-economy), [OES slag analysis](https://quantolux.de/en/blog/tag/oes-slag-analysis) ## Related posts [![the logo of the circular metallurgy meeting in Bergamo, Italy](https://quantolux.de/hs-fs/hubfs/Screenshot%202024-11-22%20155253.png?height=200&name=Screenshot%202024-11-22%20155253.png)](https://quantolux.de/en/blog/advancing-circular-metallurgy-our-contribution-at-the-international-meeting-in-bergamo?hsLang=en) [QLX9](https://quantolux.de/en/blog/tag/qlx9), [rapid slag](https://quantolux.de/en/blog/tag/rapid-slag), [LIBS](https://quantolux.de/en/blog/tag/libs), [slag analysis](https://quantolux.de/en/blog/tag/slag-analysis), [circular economy](https://quantolux.de/en/blog/tag/circular-economy) ## [Circularity: QuantoLux Contribution at the International Meeting](https://quantolux.de/en/blog/advancing-circular-metallurgy-our-contribution-at-the-international-meeting-in-bergamo?hsLang=en) ![Picture of Alexander Schlemminger, CEO QuantoLux Innovation GmbH](https://quantolux.de/hs-fs/hubfs/Screenshot%202023-04-25%20075636.png?width=50&name=Screenshot%202023-04-25%20075636.png) [Alexander Schlemminger, CEO QuantoLux Innovation GmbH](https://quantolux.de/en/blog/author/alexander-schlemminger) Nov 22, 2024 3:59:17 PM Waste-to-Energy Plants Producing Steel as a By-Product: The Future of Steel Mills? We are very... [Read more](https://quantolux.de/en/blog/advancing-circular-metallurgy-our-contribution-at-the-international-meeting-in-bergamo?hsLang=en) [![EMC 2025 Speaker award](https://quantolux.de/hs-fs/hubfs/Screenshot%202025-07-03%20155019.png?height=200&name=Screenshot%202025-07-03%20155019.png)](https://quantolux.de/en/blog/my-highlights-from-emc-2025-in-hamburg?hsLang=en) [QLX9](https://quantolux.de/en/blog/tag/qlx9), [rapid slag](https://quantolux.de/en/blog/tag/rapid-slag), [LIBS](https://quantolux.de/en/blog/tag/libs), [OES slag analysis](https://quantolux.de/en/blog/tag/oes-slag-analysis), [XRF](https://quantolux.de/en/blog/tag/xrf), [News](https://quantolux.de/en/blog/tag/news), [QuantoLux](https://quantolux.de/en/blog/tag/quantolux) ## [My Highlights from EMC 2025 in Hamburg](https://quantolux.de/en/blog/my-highlights-from-emc-2025-in-hamburg?hsLang=en) ![Picture of Alexander Schlemminger, CEO QuantoLux Innovation GmbH](https://quantolux.de/hs-fs/hubfs/Screenshot%202023-04-25%20075636.png?width=50&name=Screenshot%202023-04-25%20075636.png) [Alexander Schlemminger, CEO QuantoLux Innovation GmbH](https://quantolux.de/en/blog/author/alexander-schlemminger) Jul 3, 2025 3:52:19 PM Last week, I had the pleasure of attending the European Metallurgical Conference (EMC 2025) in... [Read more](https://quantolux.de/en/blog/my-highlights-from-emc-2025-in-hamburg?hsLang=en) [![A QLX9 heavy duty ready for packaging and shipment in the evening time](https://quantolux.de/hs-fs/hubfs/WhatsApp%20Bild%202024-12-26%20um%2016.21.16_2d9b1729-1.jpg?height=200&name=WhatsApp%20Bild%202024-12-26%20um%2016.21.16_2d9b1729-1.jpg)](https://quantolux.de/en/blog/next-level-secondary-metallurgy-for-turkish-customer?hsLang=en) [QLX9](https://quantolux.de/en/blog/tag/qlx9), [rapid slag](https://quantolux.de/en/blog/tag/rapid-slag), [Commissioning](https://quantolux.de/en/blog/tag/commissioning), [slag analysis](https://quantolux.de/en/blog/tag/slag-analysis), [OES slag analysis](https://quantolux.de/en/blog/tag/oes-slag-analysis), [XRF](https://quantolux.de/en/blog/tag/xrf) ## [Next-Level Secondary Metallurgy for Turkish Customer](https://quantolux.de/en/blog/next-level-secondary-metallurgy-for-turkish-customer?hsLang=en) ![Picture of Alexander Schlemminger, CEO QuantoLux Innovation GmbH](https://quantolux.de/hs-fs/hubfs/Screenshot%202023-04-25%20075636.png?width=50&name=Screenshot%202023-04-25%20075636.png) [Alexander Schlemminger, CEO QuantoLux Innovation GmbH](https://quantolux.de/en/blog/author/alexander-schlemminger) Dec 26, 2024 4:34:46 PM December 2024 - A new QLX9 HD analyzer is en route to a customer in Turkey, where it will be... 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