{"id":472,"date":"2022-07-27T08:13:45","date_gmt":"2022-07-27T08:13:45","guid":{"rendered":"https:\/\/sylva.no\/?page_id=472"},"modified":"2025-12-04T13:28:00","modified_gmt":"2025-12-04T13:28:00","slug":"naturbasert_karbonfangst_og_lagring","status":"publish","type":"page","link":"https:\/\/sylva.no\/en\/skogbruk\/naturbasert_karbonfangst_og_lagring\/","title":{"rendered":"Nature-Based Carbon Capture and Storage"},"content":{"rendered":"
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WOODSTORE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Nature-Based Carbon Capture and Storage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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JUMP TO<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The increasing concentration of CO\u2082 in the atmosphere, caused by the burning of coal, oil, and gas over the past 100 years, is the main driver of climate change on Earth. <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Photosynthesis on land and in the oceans is by far the world\u2019s largest and most cost-effective CO\u2082 vacuum. Every spring and summer, the world\u2019s forests convert enormous amounts of CO\u2082 from the air into carbon stored in wood and leaves. But each autumn and winter, some of this carbon quickly returns to CO\u2082 as the leaves fall and decompose. When trees die\u2014whether naturally or through logging\u2014most of the carbon stored in roots, trunks, and branches returns to the atmosphere as CO\u2082 through decay or combustion. Some of it happens quickly, while some carbon remains bound in building materials before eventually becoming CO\u2082 again when those materials are used for energy recovery. Except for the portion of carbon that is permanently stored and accumulated in the forest soil, the life cycle of a tree is essentially a zero-sum game where trees take up and release roughly equal amounts of CO\u2082.\u00a0\u00a0\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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ZERO-SUM CYCLE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Nature-based carbon capture and storage is about breaking this zero-sum cycle by preventing (fully or partially) the carbon in trees from returning to the atmosphere as CO\u2082 at the end of their life. <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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When a new tree grows to replace the one that died, you have effectively created a net-negative emissions technology (NET). The world will have enormous demand for NET technologies\u2014both nature-based and others\u2014over the coming decades to compensate for insufficient and delayed greenhouse gas reductions, which alone won\u2019t be enough to avoid catastrophic climate change.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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STORING CARBON<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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The storage of the captured carbon in the dead biomass can be done in several ways.\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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01 Biomass Power Plant with CCS<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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The biomass is used as fuel in a thermal power plant where the CO\u2082 is captured from the exhaust gases, compressed, and then transported by truck and\/or ship to a permanent storage site. There, it is injected into porous rock formations deep underground. The Norwegian moon landing project Langskip is doing exactly this. In principle, this is an elegant method that also allows us to utilize the energy in the biomass, but in practice, the potential of this method is very uncertain. The costs associated with capture, compression, transport, and storage currently amount to several thousand Norwegian kroner per ton of CO\u2082.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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02 Biochar<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Biochar is produced through pyrolysis, where wood biomass is burned with limited oxygen supply. The carbon after combustion is roughly divided as follows: biochar (50%), bio-oil (30%), and CO\u2082 (20%). The biochar is very stable and can potentially store carbon intact for hundreds of thousands of years. The challenges with this method are that only up to 50% of the carbon is stored, and the costs involved are also significant.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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03 CSWB (Carbon Sequestration via Wood Burial)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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CSWB is a method where biomass is stored directly underground in a way that prevents it from decomposing into CO\u2082 (aerobic decomposition caused by fungi) or methane (anaerobic decomposition caused by bacteria). Many researchers and forestry experts are skeptical about whether it is practically possible to create such stable storage chambers where biomass remains intact for hundreds or even thousands of years.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Sylva has strong confidence in CSWB and, with its own developed methods called WoodStore, is close to proving that biomass can be stored intact for thousands of years using simple and cost-effective techniques.\u00a0\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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ABOUT WOODSTORE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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This is Woodstore<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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ABOUT WOODSTORE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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WoodStore is, in short, Sylva\u2019s method for long-term storage of clean residual biomass from forestry and other sources. <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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This is done in stable underground storage chambers without oxygen access to prevent natural decomposition. We call these storage chambers <\/span>Carbon Chambers<\/span><\/i>The carbon chambers are typically built in a distributed and local manner to minimize the need for transportation.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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CLEAN RESIDUAL BIOMASS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Clean residual wood biomass can come from many sources.\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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