umwelttechnik & ingenieure GmbH - Ingenieurbüro für Umwelttechnik
Circular economy

Circular economy

Waste-to-energy (WTE) covers much more than waste incineration!

Advanced and proven energy efficient WTE processes are being used to achieve maximum material and energy recovery and assure each’s contribution to climate and energy objectives of circular economy, Sustainable Development Goals (SDGs) and Paris agreement. 

In the phase of depleting fossil fuel, along with the dynamic crude oil prices, WTE is anticipated as a potential renewable energy source to fuel the need for power. The WTE market will surpass USD 2.5 billion in Europe and 35.5 billion globally by 2024 (Global Market Insights, Inc. 2018). The growing market interest and stringent environmental regulations are stimulating rigorous efforts towards the technological development of WTE technology.

In Germany, WTE processes are embedded well within the waste management hierarchy. This implies, WTE is used to extract the inbuilt energy of post-use phase of material flows after the waste prevention, re-use, remanufacture and recycling principles have been applied.

Figure: Waste to energy processes within EU Waste Management Hierarchy

Deriving this embedded energy from multiple waste streams with high efficiency is a complex process. UI combines a mix of techniques and processes to achieve material and energy efficiency (Integration), minimizes auxiliary demands & losses (advance but flexible design) and by maximizing exergy use (utilizable heat & energy / Industrial symbiosis).  

These processes are:

  1. Anaerobic Digestion or Bio-fuel production
  2. Recycling and waste sorting
  3. Use of Refuse derived fuels (RDF) or solid recovered fuels (SRF) in combustion plants or co-incineration in cement, lime, tyre, chemical producing plants
  4. Biomass co-generation
  5. WtE incineration plants
  6. Novel processing of mixed plastics to fuels (and other co-products)

We gladly will assist you and create a concept that is specially tailored to your needs.

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