Conserving resources, easing the pressure on the climate, protecting the landscape and environment 

Manufacturing, recycling, and further processing aluminium in a way that is as eco-friendly as possible.
 
Environmental and climate protection is part of the corporate philosophy and is embraced across all levels and by all employees at TRIMET. This includes taking a responsible approach to environmental matters and the use of resources, protecting the climate, and reducing waste and emissions to the greatest possible extent. TRIMET is pursuing the aim of achieving the climate-neutral production of aluminium by 2045. As a matter of high priority, all TRIMET sites endeavor to increase energy efficiency and have certified management systems in place in line with DIN EN ISO 50001.

 

Energy consumption

  

  • The ability to shut down the aluminium smelters helps to stabilize the electricity grid, thus facilitating the transformation to the supply of power from renewable energy sources.
  • Gearing the aluminium smelters toward primary operating reserve standards.
  • With its “virtual battery,” TRIMET is testing a method developed by the family-owned company that makes the electrolysis process more flexible and thus adapts aluminium production to the fluctuating power supplied by wind and photovoltaic systems. 
  • Having signed up to a pilot project to achieve flexible aluminium production, the TRIMET site in Hamburg is participating in the NEW 4.0 initiative aimed at gearing the industrial sector in northern Germany toward the energy transition.

 

Production

  

  • The new busbar system at the aluminium smelter in Voerde cuts carbon emissions by reducing the specific energy consumption.
  • Networking and digitalizing the aluminium production processes increases energy efficiency.
  • Modernizing the burner technology used in the smelting furnaces at the Gelsenkirchen recycling plant and the anode baking furnace in Hamburg cuts emissions.
  • Work on “superconducting technology” is being carried out at TRIMET as part of the DEMO200 research project to achieve the loss-free transmission of electrical power.
  • TRIMET is conducting research with a scientific partner to develop so-called inert anodes, which enable carbon-free aluminium production.
  • The sites in Gelsenkirchen and Essen are preparing to use hydrogen-containing process gas in the smelting process to reduce direct carbon emissions.

 

Material cycles

 

  • Around 95 percent of the residues produced during the production process end up in an internal recycling process or are recycled externally. 
  • TRIMET has built a new filter system in Gelsenkirchen on its own initiative. At the same time, suitable boxes for charge materials covered in oil have also been built there. 
  • The value of the filter system at the Harzgerode site goes beyond compliance with the pollution control requirements. 
  • At TRIMET’s smelting sites, work continues on extracting process heat for district heating.

 

Recycling

  

  • TRIMET uses the heat of the primary aluminium to melt down scrap aluminium, thus saving the energy needed to melt it down.

 

Transport

  

  • The company’s proximity to its customers enables it to supply them with liquid metal. This saves energy that would otherwise be needed to melt down the raw material again.
  • Raw materials are transported by ship and rail.
  • TRIMET employees participate in the “Bike to Work” initiative. The company also promotes environmentally friendly mobility in the form of incentives.
  • Charging stations for electric vehicles are available in Essen, Voerde, and Hamburg. 

 

Research and development

 

  • Development of high-quality alloys containing a high percentage of recycled material.
  • Development of processes that conserve resources.
  • A new alloy for additive manufacturing.

 

Landscape preservation

   

  • By establishing a separate sewage system, the TRIMET site in Essen is playing an active role in preserving the landscape and helping to rewild the Emscher River and turn it into a recreational area for the northern Ruhr region.
  • Our very own bee colony produces TRIMET honey at the Essen site. 

 

Other measures

   

  • The company’s own laboratory for environment and metal analytics, known as LUMA, makes a substantial contribution to monitoring compliance with all relevant environmental parameters.
  • The brief information | Climate change mitigation measures provide an overview of sustainability and carbon emissions at the Essen site. 
  • With the JobRad scheme, TRIMET gives its employees the opportunity to ride a leased bicycle whenever they want: to work, in everyday life, while on vacation, or for sport.
  • TRIMET grows extensive climate tree plantations at its production sites to bind carbon emissions and thus complement the measures aimed at achieving climate-friendly aluminium production.
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