> For the complete documentation index, see [llms.txt](https://aetlas.gitbook.io/aetlas/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aetlas.gitbook.io/aetlas/additional-pages/cdr-technology-readiness-level-trl/trl-for-biochar-and-beccs.md).

# TRL for Biochar and BECCS

<table data-full-width="true"><thead><tr><th width="144">CDR method</th><th width="200">Section of value chain</th><th width="67">TRL</th><th>Comment </th></tr></thead><tbody><tr><td>Biochar as soil additive</td><td>Biochar production </td><td>5-9</td><td><p> Fast pyrolysis with cogeneration of pyrolysis oil and further processing to biodiesel: 5; </p><p>Gasification with cogeneration of heat and power: 7; </p><p>Slow pyrolysis with cogeneration of heat: 9; </p><p>Gasifier stoves and small-scale kilns for household applications: 8.</p></td></tr><tr><td></td><td> Soil application in agriculture</td><td>7-9</td><td><p>Developed country farming context: 9; </p><p>Developing country smallholder farming context: 7</p></td></tr><tr><td>BECCS</td><td>CO2 capture</td><td>5-8</td><td><p>Ethanol from lignocellulose with carbon capture: 5-6; </p><p>Biomethane with carbon capture: 7-8;</p><p>Ethanol from sugar/starch with carbon capture: 7-9; </p><p>Biomass power with chemical absorption: 7-8.</p></td></tr><tr><td></td><td>CO2 transportation</td><td>5-9</td><td><p>Ship port to offshore: 5-6; </p><p>Ship port to port: 7-8; </p><p>Truck: 8-9; </p><p>Pipeline: 9</p></td></tr><tr><td></td><td>CO2 geological storage</td><td>5-9</td><td><p>CO2-EGR: 5-8; </p><p>CO2-EOR: 9; </p><p>Saline formations: 9</p></td></tr></tbody></table>

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