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Geoengineering Info Profile picture
@geoengineering1
Jun 11 β€’ 11 tweets β€’ 7 min read Twitter logo Read on Twitter
πŸ“πŸ’‘ π–πžπžπ€π₯𝐲 𝐇𝐒𝐠𝐑π₯π’π π‘π­π¬πŸ’‘πŸ“
Here's your roundup of top #CarbonDioxideRemoval News / Scientific Papers from the past week:
🌱πŸͺ¨πŸŽ›οΈπŸŒŠ

🧡1/11

πŸ“œ Scroll down ⬇️ Image
1️⃣ @CharmIndustrial, which removes carbon from the atmosphere via bio-oil sequestration, has raised $100 million in a Series B funding round. It has also signed new record-breaking arrangements for 140,000 tons/CDR with Frontier & JPMorgan.
πŸ“°βž‘οΈ
2/11
2️⃣ Carbon Removal Marketplace @nori announces the appointment of Matt Trudeau as CEO and a $6.25M funding round led by @M13Company, @Toyota_Ventures, @placeholdervc, and @Cargill, bringing total funding to $17.25M.
πŸ“°βž‘οΈ
3/11
3️⃣ Carbon to Sea Initiative, a new nonprofit group has raised over $50 million to back research and development into potentially accelerating carbon dioxide absorption into the world's oceans (Ocean Alkalinity Enhancement).
@AdditionalVent
πŸ“°βž‘οΈ
4/11
4️⃣ @_Capture6 & @PalmdaleH2O District have announced plans to construct a pilot facility for integrated water recovery & carbon capture in California. β€œIt will be the world's first completely integrated water management & CO2 removal facility.”
πŸ“°βž‘οΈ
5/11
5️⃣ The carbon sequestration (full life cycle) potential of kelp in Ailian Bay (China) was found to be 97.73g C/m2/year, according to research conducted in China.
πŸ“πŸ“–βž‘οΈ
6/11
6️⃣ Recent research submitted in the @researchsquare presents first-of-its-kind process concepts for co-removal of CH4 & CO2Β that combine the catalytic conversion of methane step (thermal/photo-catalytic) with CO2 capture (#DirectAirCapture).
πŸ“πŸ“–βž‘οΈ
7/11
7️⃣~6.0β€―Mt CO2-eq/yr were sequestered in China from 2003-2020 via shellfish & algae farming, a study found. β€œShellfish farming could reduce C emissions by 31.7β€―Mt CO2-eq/yr while algae farming could reduce the C emissions by 0.7β€―Mt CO2-eq/yr.”
πŸ“πŸ“–βž‘οΈ
8/11
8️⃣ Research pointed that β€œ44.4Γ—109 ton of CO2 (~3.3 times of current annual CO2 sink in the ocean) could be removed from the atmosphere with 175β€―ΞΌmol kg–1β€―Mg(OH)2 (equivalent to 350β€―ΞΌmolβ€―kgβˆ’1 of TA) added to the top 10β€―m of the ocean.”
πŸ“πŸ“–βž‘οΈ
9/11
9️⃣ Despite some hope that whales can remove marked amount of CO2, a study has found the amount of potential carbon capture by whales is 𝐭𝐨𝐨 π₯𝐒𝐭𝐭π₯𝐞 to meaningfully alter the course of climate change.”
πŸ“πŸ“–βž‘οΈ
10/11
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More from @geoengineering1

Geoengineering Info Profile picture
Jun 11
πŸš¨πŸ“NEW PAPERπŸ“πŸš¨

In a recently published paper, researchers use β€œan LCA approach to calculate the Long-Lasting #CarbonSequestration (LLCS) of #seaweed, which can be understood as the difference between #CarbonFixation & released C throughout the life cycle of seaweed.”

🧡1/9 ImageImage
Using kelp (Laminaria japonica) as an example of seaweed, the present study β€œvalidates the procedure of calculating the LLCS of seaweed throughout its whole life cycle in Ailian Bay from nursery to processing into #biochar (fertilizer) as the final product.”
2/9 Image
The results showed that β€œthe #CarbonSequestration (full life cycle) of kelp in Ailian Bay was 97.73g C /m2/year.”
3/9 Image
Read 9 tweets
Geoengineering Info Profile picture
Jun 10
🚨NEW STUDY🚨

🌊 For the first time researchers used β€œlab and wind-wave tank experiments to prove the concept of using Mg(OH)2Β for the #OceanAlkalinityEnhancement and #CarbonDioxideRemoval approach (OAE-CDR).” 

🧡1/7 Image
🌊 Experiment results showed β€œup to 370β€―ΞΌmolβ€―kgβˆ’1 seawater total alkalinity (TA) increase without precipitation, stable enhanced TA, and OAE-CDR efficiency (Ξ”DIC/Ξ”TA) consistent with theoretical calculation.”
2/7
🌊 Based on the experimental results, scientists involved in this study calculated β€œthe global Mg(OH)2 OAE-CDR efficiency and #CO2Sink from this approach.”
3/7
Read 7 tweets
Geoengineering Info Profile picture
Jun 9
🚨NEW STUDY🚨

Recent research submitted in the @researchsquare β€œpresents first-of-its-kind process concepts for co-removal of #methane and #CO2Β that combine the catalytic conversion of methane step (thermal/photo-catalytic) with #CO2Capture (#DirectAirCapture).”
1/17 Image
β€œThe proposed solution to co-remove methane and CO2 from low concentration sources has the potential of #removing more CO2-equivalents from the atmosphere at lower energy penalty when compared to technologies that focus on removing only CO2 from the air, the study affirmed.”
2/ Image
Based on the analysis of this study, researchers summarize the following challenges and opportunities with the proposed solution for co-removing methane and CO2 from the atmosphere:
3/
Read 17 tweets
Geoengineering Info Profile picture
Jun 1
🚨NEW STUDY🚨

Recent analysis published in @naturesustainab β€œuse #biogeochemical simulations to show that restoration of the marine ecosystems can lead to permanent #CO2Removal by driving #OceanAlkalinityEnhancement & atmosphere-to-ocean #CO2Fluxes.”

Key findings in aπŸ§΅β¬‡οΈ
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Findings of this study suggest that β€œrestoring mangroves, which are common in tropical shallow marine settings, will lead to notable local #OceanAlkalinityEnhancement across a wide range of scenarios.”
2/ Image
β€œThe process is seagrass & mangroves influence the organic & inorganic cycling of C in sediment, with strong impacts on diffusive #alkalinity fluxes. In carbonate-rich sediment, seagrass & mangroves foster carbonate dissolution, resulting in increased alkalinity production...
3/
Read 12 tweets
Geoengineering Info Profile picture
May 30
🚨NEW STUDY🚨

πŸŒ‹ A recent study by @Olenellus & @GambixPT published in @geosociety found that β€œan extinct #volcano off the shore of Portugal could store as much as 1.2-8.6 gigatons of CO2, the equivalent of 24-125yrs of the country’s industrial emissions.”
#CarbonStorage

🧡1/9 Image
β€œDoing so would rely on a method known as in situ mineral #carbonization, which works when the CO2 taken from the air is pumped deep underground.”
2/9
β€œOnce in the bowels of this extinct volcano, calcium, magnesium, and iron react to the incoming carbon dioxide to form calcite, dolomite, and magnesite, trapping the CO2 forever in a rocky prison.”
3/9
Read 9 tweets
Geoengineering Info Profile picture
May 28
πŸ“πŸ’‘ π–πžπžπ€π₯𝐲 𝐇𝐒𝐠𝐑π₯π’π π‘π­π¬πŸ’‘πŸ“
Here's your roundup of top #CarbonDioxideRemoval News Articles / Scientific Papers from the past week:
🌱πŸͺ¨πŸŽ›οΈπŸŒŠ
🧡1/12 Image
1️⃣ 🌱🚜 @undocarbon raises Β£9.6 million ($11.93 million) in funding for its #EnhancedRockWeathering technology led by @lowercarbon.
#ERW

πŸŒ±πŸ“œβž‘οΈ
2/
2οΈβƒ£πŸ’΅ In an effort to neutralize its environmental footprint, JP Morgan has announced it plans to invest more than $200 million to purchase credits from several #CarbonDioxideRemoval companies (β€œone of the biggest bets ever on #CarbonRemoval”).

πŸ’΅πŸ“œβž‘οΈ
3/
Read 12 tweets

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