Refuse Derived Fuels | Alternative fuels


Our shredding systems enable you to optimally recycle waste into alternatives fuels and ensure high quality by producing a consistent, homogeneous granulate.

The goal of recycling is to use the valuable energy contained in waste and to substitute the use of fossil fuels. During the recycling process the high calorific value fractions are separated from the commercial and industrial waste and turned into a marketable product. Depending on the calorific value and the particle size, these alternative fuels are used in fluidized bed combustion, cement plants and substitute fuel power plants.

The waste undergoes a single-step or multi-step recycling process to separate the fractions with a high calorific value from household waste, bulky waste, industrial waste, commercial waste and sorting residue. This RDF/SRF preparation process may consist of the following steps:

Single-step recycling process:

  • Shredding
  • Separation of ferrous and non-ferrous materials

Two-step recycling process:

  • Pre-shredding
  • Sifting process
  • Air separation
  • Separation of ferrous and non-ferrous materials
  • Ballistic separation
  • Separation of heavy materials
  • Optical sorting
  • Re-shredding

We are world leaders in this complex field of alternative fuels processing. Regardless of whether you require single-step or multi-step shredding, we offer an economic and, first and foremost, reliable solution!


Utilization areas and fraction sizes of alternative fuels

  • Pre-shredded waste < 400 mm: The shredded material is particularly suitable for material recovery facilities (MRF)
  • Pre-shredded waste < 150 mm: This fraction size is suitable for co-generation power plants with grate firing, refuse combustion plants, material recovery facilities (MRF) and mechanical biological treatment. The untreated residential waste reaches an approximate calorific value of approximately 9-11 MJ/kg
  • Substitute fuel < 80 mm: for co-incineration use in cement plant calciners, fluidised bed combustion and power plants for energy recovery. The resulting calorific value of this fraction is approximately 15-18 MJ/kg
  • Substitute fuel < 30 mm (SRF): Ideally suited for the injection furnace in cement plants and substitute fuel power plants. The secondary fuels in the mixture for the co-incineration in cement rotary kilns must have a calorific value of at least 18-22 MJ/kg

Complete enquiry


Household waste is characterized in particular by organic components and a high content of particulate matter. With our XRprimary-shredders and TR secondary-shredders we are able to offer a very efficient shredding system for a 2-phase household waste processing.

The economic processing of industrial and commercial waste in just one phase: All thanks to the new XR class!

The XR series cutting unit and hopper shape are designed to handle shredding bulky waste. The cutting unit's high resistance to foreign objects and the ability to easily remove foreign objects via the service hatch make this shredding machine particularly efficient for shredding bulky waste.

With our XR and TR shredding machines, we offer reliable systems for processing compressed plastic bales to generate substitute fuel. Depending on the application case, we offer a 1-phase or 2-phase plastic waste processing.

Our machines are impressive at shredding waste wood (e.g. demolition wood and construction timber) most notably thanks to the high-quality output material with reduced fine particulate matter combined with a high throughput rate.

The XR pre-shredder facilitates the economic processing of mixed construction waste. The shredding machine is highly resistant to the mineral components in the waste.

Recommended RDF/SRF shredders

XR mobil-e

Power: 113 - 264 kW | 152 - 354 hp
Cutting chamber width: 2,960 mm | 116.5 in


 Stationary waste shredder SRF RDF | XR3000
Power: 65 - 264 kW | 87 - 354 hp
Cutting chamber width: 1,960 / 2,960 mm | 77 / 116.5 in