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Biochar is a Carbon Dioxide Removal (CDR) technology that is produced by heating biomass at very high temperatures (up to 900°C) in low oxygen conditions. This transformation process is known as pyrolysis, and the resulting biochar is a solid charcoal-like substance which can be mixed into soil, where the carbon is theoretically stored and/or absorbed by plants. Large-scale deployment would require very large quantities of biomass, such as wood and forestry and agricultural residues.
Product details
Date of Publication
January 2021
Publisher
Heinrich-Böll-Stiftung
Number of Pages
4
Licence
Language of publication
English
Table of contents
- Description and purpose of the technology
- Actors involved
- Impacts of the technology
- Reality check
- Further reading
- Endnotes