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From scrap to treasure

At METTOP, optimizing e-waste recycling operations is one of our core competencies—and we have once again demonstrated this through successful trials with one of our customers, a leading recycler of e-waste and precious metals.

Our Managing Director Dr. Andreas Filzwieser and Business Developer Dr. Christoph Sagadin provide on-site support at the recycling facilities to enhance the processes for recovering copper and precious metals. By addressing challenges in a targeted manner, we achieved:

  • significant increases in recovery rates for copper and precious metals,
  • a notable reduction in energy consumption, and
  • sustainably increase of production capacity.


How We Achieved These Results

At METTOP, we start by analyzing the composition of the raw materials in order to optimally adjust furnace process parameters. Based on the present impurities and production targets, we recommend the most effective slag formers and additives. Every step of the process—from charging and furnace settings to slag formation and casting processes—has been reviewed and adjusted to eliminate inefficiencies and achieve excellence.


Here is why METTOP is your ideal partner for recycling PCBs and metal-containing residues:

  • Excellent metal recovery: recovery rates more than 98.5% allow a high yield of copper and precious metals such as Au, Ag and PGMs.
  • Energy-efficient processes: Optimized charging sequences reduce melting time and lower energy consumption.
  • Slag compositions: Low-viscosity slags improve metal recovery, enable lower operating temperatures while minimizing energy consumption.
  • Optimized process flows: Tailored solutions for each phase—from reducing energy consumption to melting, converting, and refining processes for maximum efficiency.
  • Advanced sampling and automation: Precise quality assurance minimizes waste and enhances reliability.
  • Recovery of by-products: Efficient recovery of valuable by-products such as Sn, Ni, Pb and other important elements for additional added value.

With METTOP's expertise, your e-waste recycling will become more efficient, sustainable and profitable—making it fit for the future. 

 Interested in improving the efficiency of your recycling process? Get in touch with our Business Developer Dr Christoph Sagadin. He looks forward to hearing from you. 

Let's shape the future of recycling together and push the boundaries of the industry! 




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UrbanGold by METTOP

Integration for joined forces


UrbanGold GmbH, a company founded in 2018 specialized in innovative processes for metal recycling, particularly in e-waste, will be fully integrated into METTOP GmbH as of October 2024.
With the integration of UrbanGold GmbH, METTOP GmbH expands its expertise and strengthens its position as the go-to partner for metallurgy and recycling in the future.

 „The integration allows us to respond more quickly and efficiently to the growing demands in the recycling sector. We look forward to successful collaboration and a promising shared future,“ emphasizes Dr. Iris Filzwieser, Managing Director of METTOP GmbH.

All ongoing projects will continue as usual, without any noticeable changes for customers. New inquiries and projects will be handled directly by METTOP GmbH from now on.

Read more: https://mettop.com/en/products/22 


ABOUT US

Innovative Team for your success

METTOP GmbH, founded in 2005, is an independent Austrian engineering company, specialized in the design, optimization, and engineering of technologies for metallurgical processes. METTOP is active in the field of pyro- as well as hydrometallurgy of non-ferrous metals and furthermore serves with innovative cooling systems for the iron and steel industry. The scope of services comprises of optimization solutions in the area of furnace integrity, combining refractory selection and layout, gas purging systems and cooling elements. In the field of hydrometallurgy, a new electrolysis technology - the METTOP-BRX Technology - was patented and is in operation to allow an acceleration of the electrolytic refining of up to 50 percent. For all metallurgical aggregates and equipment, METTOP developed the new and water-free cooling technology ILTEC, that uses an ionic liquid as the cooling medium, to create new pathways towards safe and efficient cooling for the entire metallurgical industry.

In addition, METTOP is internationally active in terms of technical consulting (process optimization), operator training for customers in the non-ferrous metals industry, and assists also in the optimization of risk management in metallurgical plants.

Download overview presentation 2023

Download product brochure 2020



                    Our Mission

Our innovative ideas and partly unconventional methods enable us to crush old crusts and set new standards. This means that we set the standard that others follow and achieve maximum added value for our customers. 

Motivated by the challenges of our customers, our employees succeed in impressing and inspiring our clients by implementing their projects. 

Together as a team at the Leoben site, we manage to design environmentally friendly and highly profitable recycling processes, as well as offering tailor-made solutions and process developments. 

Communication within the team is the key to mutual success. For this reason, we place great emphasis on the health and well-being of our employees. Through initiatives such as “Employees motivate Employees”, we encourage our team to dedicate at least 10 minutes a day to physical activity. After all, a healthy body is the foundation for a creative mind and outstanding performance.

Our efforts to promote employee health and well-being have also been recognized with the Corporate Health Promotion Seal – a testament to our commitment in this vital area.

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