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

Heat Validation market potential Biomass furnace

Project ID 03EI5427A

BioRestFuel - Energy-efficient use of secondary biogenic residual and waste materials for thermal utilization by stepwise processing and fuel design

Duration

  • 01.03.2021 – 31.08.2023

Contact

Kassel University
Research Center for Resource Management and Solid Waste Engineering
Mönchebergstraße 7
34125 Kassel

Prof. Dr. David Laner – project leader
Telephone: +49 561 804-3983
E-mail: david.laner‍@‍uni-kassel.de

Viktoria Scheff MSc. – direct contact person
Telephone: +49 561 804-3984
E-mail: scheff‍@‍uni-kassel.de

Partner

03EI5427B - Kassel University
  • Address:
  • Kassel University
    Grassland Science and Renewable Plant Resources
    Steinstraße 19
    37213 Witzenhausen
  • Contact:
  • Prof. Dr. Michael Wachendorf – contact person
    Telephone: +49 561 804-1334
    E-mail: mwach‍@‍uni-kassel.de

03EI5427C - Waste management Kassel district
03EI5427D - SEEGER Engineering AG

Associated partners

03EI5427 - GETEC
  • Address:
  • GETEC
    BMHKW Bad Arolsen
    Auf dem Hagen 7
    34454 Bad Arolsen

Cooperation partners

Subpartner

Results

Planned results:

  • plant level: procedure
  • Data level: models/modeling, method (analytical/process descriptive etc.), data base, test series/-program
  • market level: marketable components
  • publications: guidelines and manuals, scientific paper (ISI, peer-reviewed)
  • others: input for guidelines, norms and standards

Topic

In addition to major biobased solid fuels such as residual wood from forestry or landscape conservation, interest in residual biomass and biogenic waste materials for thermal utilization to substitute higher quality wood fuel is increasing. From the perspective of a resource-efficient biobased economy, the priority is to identify the material flows at the end of the material-use cascade and to utilize them in the most resource efficient manner (here secondary biogenic residual and waste materials). High-quality energy recovery of these materials in biomass combustion offers such a recovery route, because it contributes to resource efficiency and increases the input flexibility of combustion plants.

Aims

Overall, the project aims to expand the fuel input spectrum of biomass cogeneration plants. For this purpose, suitable treatment strategies are developed and adapted for screenings from biowaste treatment and specific residue streams from grassland management under technical, ecological and economic aspects. The typical problem of slagging in connection with the thermal utilization of biogenic residues and waste materials is a major focus of the project. In particular, the ash melting behaviour of the different fuels and fuel mixtures is thoroughly investigated to enable the use of bio-residual fuels in a controlled and efficient way without causing increased plant damage. One major project outcome will be a practice guide and recommendations, including legal and technical aspects, to promote the use of biogenic residual and waste materials for co-incineration in biomass cogeneration plants.

Measures

Kassel University
Research Center for Resource Management and Solid Waste Engineering

Characterization and treatment of bio-residual fuels, analysis of physical, chemical and fuel properties as well as combustion experiments in pilot scale; Modelling ash melting behaviour using correlation and regression analyses based on the data of the combustion experiments and comparative slagging analysis at full scale; Material flow analysis and life cycle assessment (LCA) of the developed process chains to generate bio-residual fuels.

Kassel University
Grassland Science and Renewable Plant Resource

The integrated solid fuel and biogas production from biomass (IFBB)-technology is used to convert residual biomass from roadside greens and waterside grassland into a bio-residual fuel. Environmental assessment of the process chain for utilizing grassy biomasses based LCA.

Wastemanagement Kassel district
Waste management center Lohfelden

Optimization of biowaste treatment with respect to screen residues (quantity and quality); Processing and upgrading campaigns to generate bio-residual fuels from screen residues of biowaste treatment.

Seeger Engineering GmbH

Practical support of the investigation of ash melting behaviour and the slagging analysis in full-scale. Economic-legal assessment and market analysis of co-incineration of the bio-residual fuels.

Focus

Kassel University
Research Center for Resource Management and Solid Waste Engineering

Ugrading and sorting technology, chemical analysis, combustion experiments, ash melting behaviour, modelling and simulation, environmental assessment

Kassel University
Grassland Science and Renewable Plant Resource

Biomass condition and treatment (IFBB technology), process optimization, chemical analysis, environmental assessment

Wastemanagement Kassel district
Waste management center Lohfelden

Biowaste treatment, sorting and processing technology, conditioning

Seeger Engineering GmbH

Fuel use, slagging and fouling analysis (full-scale), market analysis, economic evaluation


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