ENVIRONMENTAL SOLUTIONS
Engineering solutions for a more resilient industry:
How EDL Anlagenbau empowers the process industry with engineering expertise, know-how and innovation
Used oil re-refining plant HyLube 3 engineered and erected by EDL for Puraglobe GmbH, Tröglitz, Germany
At a time when the industry is facing profound transformations—driven by defossilization, digitalization, and the call for resource efficiency—it is not only large corporations that are driving change. It is also medium-sized companies with their experienced specialists in the background who, with their technological know-how, engineering expertise, and a clear focus on innovation, create conditions for refineries, chemical and petrochemical companies, and the energy sector to make their processes fit for the future.
EDL Anlagenbau in Leipzig has made a name for itself in plant engineering for the process industry – not only as a reliable partner for complex projects, but also as a true enabler for the industry.
Engineering with depth – and vision The company offers high-quality engineering services throughout the entire project cycle: from feasibility studies to basic and detail engineering to commissioning of process plants. This is not just a matter of precise planning and efficient implementation – it is also about understanding the processes behind it. EDL’s engineering teams have more than three decades of experience in the design and optimization of process plants. As a revamp specialist, EDL has repeatedly succeeded in not only upgrading
OCTOBER 2025
existing plants but also raising them to a new technological level—often during ongoing operation and in compliance with the highest safety standards.
Technology development as a strategic driver
EDL puts special focus on the (further) development of technological know- how. In close cooperation with research institutions and partners, solutions are created that go far beyond the status quo. Whether new processes for processing heavy refinery residues, for dewaxing and deoiling, or to produce high-quality lubricants – EDL thinks not only in terms of projects, but in terms of technological dimensions.
In doing so, it always connects ecological responsibility and industrial feasibility. The plants are not only efficient and resilient, but also designed to meet regulatory requirements, support sustainability goals, and be economical.
Circular economy – put into practice The implementation of circular economy facilities is no longer a topic for the future, but rather a reality. The best examples of this are a used oil re-refining plant and a plant for phosphorus recovery from sewage sludge ash, which EDL engineered.
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High-quality base oils from used oil The HyLube3 plant to produce Group III/III+ base oils from used oil was successfully commissioned by Puraglobe GmbH in Tröglitz, Germany, in spring 2024. EDL engineered the used oil re-refining plant and was also responsible for construction management in various engineering disciplines. In the EPCm project, approx. 430 tons of piping and pipe support material, around. 50 kilometers of cable, around 1,200 instruments, around 10,000 tons of concrete, and approx. 1,000 tons of steelwork were installed. Challenges included the extremely limited space available for assembly. Therefore, detailed planning and assembly sequence scheduling had to be both creative and precise. For example, the 47-meter-high fractionation column, which was completed horizontally and then lifted into place in the previous HyLube2 project, was lifted into place, scaffolded, and completed step by step with steel platforms, piping, and other components in the HyLube3 project. Irrespective of such challenges, the plant was mechanically completed on schedule. This project shows how valuable substances can be extracted from what was once considered waste.
Phosphorus recovery – new process implemented on industrial scale for the first time The latest project, the construction of a phosphorus recovery plant for Phosphorgewinnung Schkopau GmbH in Schkopau, Germany, a joint venture between the Swedish innovation company EasyMining and the German infrastructure company Gelsenwasser AG, is an active contribution to circular economy. It is planned to build the world's first plant for phosphorus recovery from sewage sludge ash using the innovative Ash2®Phos process developed by EasyMining.
The plant processes ash resulting from incineration of sewage sludge and extracts from it phosphorus, which is essential for life, and other elements such as iron and aluminum. These are then returned to the economic cycle. The processing capacity is currently 30,000 tons of ash per year. The phosphorus recovered is suitable for use as fertilizer in agriculture. Due to its high quality and purity, it can also be used in animal feed or in the manufacture of batteries.
EDL has taken on the role of the owner's engineer in this innovative project and is also providing comprehensive project management, engineering, construction, and assembly supervision services for the
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