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Biofuels : Upgraded New Solids

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Renewable Energy Systems

Definition of the Subject and its Importance

For the energetic use of biomass, a number of combustion and gasification processes exist. Especially high efficient processes, often developed for the use of coal, have very strict fuel requirements. In many cases, “classical” solid biofuels (like wood logs, wood chips) cannot fulfill the requirements of these conversion processes. The solution is the adaption of the fuel properties to meet the process requirement by a pretreatment step. The results are upgraded “new” solid biofuels suitable for highly sophisticated conversion processes.

A second driver for biomass pretreatment is the increased demand for biomass as a renewable energy carrier. Therefore it is necessary to utilize also organic mass streams with low quality, e.g., leaves, bark, straw, and hay. Biomass pretreatment alters the transport, storage, and handling characteristics of solid biofuels, as well as their combustion and gasification properties. In doing so, it enables...

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Abbreviations

Upgraded solid biofuel :

is a solid fuel, which is produced in a technical process, using biomass as feedstock.

Pelletizing:

is the process of compressing material into the shape of a pellet.

Briquetting:

is a process of forming briquettes or compacts under pressure with bigger and other sizes than pellets.

Torrefaction:

is a mild pyrolysis process performed at temperatures between 200°C and 300°C within an inert atmosphere.

Hydrothermal carbonization:

is a process for the production of a solid fuel in hot pressurized water.

Biocoal:

is a solid fuel produced by hydrothermal carbonization

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Authors and Affiliations

  1. German Biomass Research Centre (DBFZ), Torgauer Straße 116, 04347, Leipzig, Germany

    Marco Klemm, Claudia Kirsten & Nadja Weller

  2. Deutsches BiomasseForschungsZentrum GmbH German Biomass Research Centre (DBFZ), Torgauer Straße 116, Leipzig, Germany

    Ralf Schmersahl

  3. Institute of Agricultural Engineering Bornim e.V. (ATB), Max-Eyth-Allee 100, 14469, Potsdam, Germany

    Ralf Schmersahl

Authors
  1. Marco Klemm
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  2. Ralf Schmersahl
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  3. Claudia Kirsten
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  4. Nadja Weller
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Corresponding author

Correspondence to Marco Klemm .

Editor information

Editors and Affiliations

  1. German Biomass Research Centre, Leipzig, Germany

    Martin Kaltschmitt

  2. Institute of Environmental Technology and Energy Economics, Hamburg University of Technology, Hamburg, Germany

    Martin Kaltschmitt

  3. Earth Engineering Center, Columbia University, New York, NY, USA

    Nickolas J. Themelis

  4. Ormat Technologies, Inc., Reno, NV, USA

    Lucien Y. Bronicki

  5. Royal Institute of Technology, Electric Power Systems, Stockholm, Sweden

    Lennart Söder

  6. Hawaii Natural Energy Institute, School of Ocean And Earth Science And Technology, University of Hawaii at Manoa, Honolulu, HI, USA

    Luis A. Vega

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Klemm, M., Schmersahl, R., Kirsten, C., Weller, N. (2013). Biofuels : Upgraded New Solids . In: Kaltschmitt, M., Themelis, N.J., Bronicki, L.Y., Söder, L., Vega, L.A. (eds) Renewable Energy Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-5820-3_247

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