Project meeting of STEP at the site of the company ATS - Agro Trading & Solutions in Hardegsen (Photo: DBFZ)

Biomass furnace

Project ID 03KB057

TORBIMA - Torrefaction – a Process for Homogenising Difficult Biomasses for Generating Energy

Pilot plant TORBIMA (Photo: PuschAG)


  • 01.07.2011 – 31.03.2014


Auf der Weid 1-15
56242 Marienrachdorf

Dipl.-Ing. Andreas Schneider - project manager/direct contact person
Telephone: +49 (0)2626-92569-0
E-mail: andreas.schneider‍@‍

Nicole Trennheuser-Freund
Telephone: +49 (0)2626-92569-0
E-mail: nicole.trennheuser-freund‍@‍


03KB057B - DBFZ Deutsches Biomasseforschungszentrum gemeinnützige GmbH

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Results only available in German.


The project concerns the utilisation of biomasses with poor combustion properties and fluctuating properties. The aim of the project, which is to be achieved in conjunction with the project partner, is to develop a plant for combining the process steps of torrefaction and pelletising and to implement the plant on an industrial scale. The starting materials and pellets are characterised using laboratory analyses and, together with the process parameters, serve as a basis of evaluation.


The aim of the project is to compare different processes for manufacturing torrefied biomass pellets, including an examination of the pre and post torrefaction of difficult biomasses that are less well suited for generating heat. The processes are to be compared and assessed by means of materials and energy balances. The test data determined in the laboratory and test plants is to serve as a basis for implementing the project on an industrial scale and for developing a pilot plant.


  • Characterisation of forest residues, landscaping residues and straw
  • Determination of materials and energy balances of the preparation processes
  • Determination of process parameters and upscaling


  • Homogenisation of difficult biomasses
  • Comparison between pre and post torrefaction
  • Pelletising of torrefied biomass
  • Data collection for the upscale


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