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Geoengineering Info Profile picture
@geoengineering1
Apr 24 • 17 tweets • 14 min read Twitter logo Read on Twitter
📝💡 𝐖𝐞𝐞𝐤𝐥𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝
Here's is your roundup of top #CarbonDioxideRemoval News Articles / Scientific Papers from the past week: 🌱🪨🎛️🌊
🧵

1/16
1️⃣ @ebbcarbon raises $20 million Series A, "the largest #investment in ocean-based #CarbonRemoval technology to date." 🌊

➡️
2/16
2️⃣ @running_tide announced its initial Framework Protocol for #OceanCarbonRemoval. "This is the first carbon removal project utilizing a “fast-to-slow” framework for carbon removal accounting." 🌊

➡️
3/16
3️⃣ Hundreds protest on Cornish beach against X-Prize winner Planetary, and their local trials for ocean-based #CarbonDioxideRemoval (#OceanAlkalinityEnhancement) 🌊

➡️
4/16
4️⃣ 📖 Researchers exemplify a synergistic C-capture strategy, i.e., using #concrete washout H2O & #biochar together to attain C-negative concrete.

🎙️Listen to the Al-generated mini-podcast of this paper here:
➡️

➡️
5/16
5️⃣ ✍️ An analyst creates a method for capturing CO2 from ambient air using #DirectAirCapture (#DAC) technology, which uses an alkali-hydroxide-based solvent to form #carbonate and then converts carbonate into an electrochemical system.🎛️

➡️
6/16
6️⃣ 📖 A thorough review is carried out on recent developments in multiscale models implemented for theoretical physical descriptions of #DirectAirCapture.🎛️

🎙️Listen to the Al-generated 
mini-podcast of this paper here:
➡️

➡️
7/16
7️⃣ 📖 Researchers explored & developed #biochar-enriched, carbon-neutral cementitious systems with improved performance.🪨

🎙️Listen to the AI-powered mini-podcast of this paper here:
➡️

➡️
8/16
8️⃣ ⚗️🧪 Scientists present a method for the physical & chemical aspect of #CO2 #storage via liquid & solid chemical carriers & sorbents.

🎙️Listen to this article in audio format here:
➡️

➡️
9/16
9️⃣📝A simple strategy is introduced by researchers to construct Monodispersed #Carbon Nanospheres (MCSs) for catalytic energy-efficient #DirectAirCapture processes.

🎙️Listen to AI-created mini-podcast of this paper here:
➡️

➡️
10/16
🔟 ✍️ A Master's student at Dalhousie University revealed that "there will be little to no impact on a variety of taxonomic groups of #phytoplankton when #OceanAlkalinityEnhancement occurs in naturally flushed systems." 🌊

➡️
11/16
1️⃣1️⃣Research carried out in China presents an overview of the latest progress in alkaline thermal treatment of #biomass for #HyBECCS, mainly focusing on the technical characteristics & related challenges from an industrial application perspective.

➡️
12/16
1️⃣2️⃣ 📖 A new model system of an oil-well #cement paste mixed with & without additions of CO2 gas was presented in a study led by @S_Monkman "to describe the impacts of in-situ CO2 #mineralization on the first 15 min of hydration at 4 & 24 °C."

➡️
13/16
1️⃣3️⃣ 📝 The preference of German citizens for residential #CarbonDioxideRemoval through #afforestation is incompatible with national removal capacity, a recent study found.🌲🌴🌳

➡️
14/16
1️⃣4️⃣"The physical pump exports more #carbon from the shallow #ocean than active transport (3.8 vs. 2.9mmol C m−2/d), although active transport #sequesters more C (1.0 vs. 0.8 Pg C) because of deeper #remineralization depths," research affirmed.🌊

➡️
15/16
1️⃣5️⃣ ✍️Research executed by @JoeSagues, @Dan_L_Sanchez, & others underscores the need to characterize the "magnitude & permanence" of #CarbonDrawdown for technology creators to deploy "limited #biomass resources" to "maximize mitigation benefits."

➡️
16/16
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More from @geoengineering1

Geoengineering Info Profile picture
Apr 24
✍️ 𝐖𝐞𝐞𝐤𝐥𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬 ✍️

Top #SolarGeoengineering News /Scientific papers from the past week covered in a 🧵below: ⬇️

1/6 Image
1️⃣ 🎯 @sktalati launched a new nonprofit, the Alliance for Just Deliberation on Solar Geoengineering (DSG), "created around a mission to work towards just and inclusive deliberation about research and potential use of #SolarGeoengineering."
➡️ rb.gy/oc1o9
2/6
2️⃣ 📝"Conventional & pioneering #geoengineering techniques can > sea-level rise, & those optimal results would be achieved through the alliance of methods, new study revealed."
➡️rb.gy/q40vn

🎙️Listen to this paper in audio format here:
➡️rb.gy/3cjdb
3/6
Read 7 tweets
Geoengineering Info Profile picture
Apr 23
🚨𝗥𝗘𝗩𝗜𝗘𝗪 𝗣𝗔𝗣𝗘𝗥🚨
"#Geoengineering—a mechanism to mitigate sea-level rise—has garnered scientific interest in line with the present state of #ClimateChange. This newly published study investigates traditional+modern SG tech through a systematic literature review."
🧵1/6 Image
The results suggest that "conventional and pioneering #geoengineering techniques can decrease sea-level rise, and those optimal results would be achieved through the cooperation of methods." 
2/6 ImageImageImage
"Ultimately, findings from this review informed five strategies: 🔸tactical application of conventional #geoengineering; 🔸optimisation through technique alignment;
🔸adaptation to receding coastlines;"
3/6 Image
Read 6 tweets
Geoengineering Info Profile picture
Apr 22
🚨NEW REVIEW PAPER🚨

"This review provides an extensive evaluation of recent advances in multiscale models used for the theoretical physical descriptions of #DirectAirCapture."

🧵
1/8 Image
"Reviewed (CO2 mass) transfer works span from the ab initio density functional theory calculation relationships to mesoscale Monte Carlo, molecular dynamics simulations & micro-kinetics, adsorption/desorption, & most commonly-investigated specific macroscale concept."
#DAC
2/8 Image
The modelled #DAC processes properties reported in the literature have been compared by the authors of this review paper, which allowed them "to identify the most effective sorbents."
3/8 ImageImageImageImage
Read 8 tweets
Geoengineering Info Profile picture
Apr 21
🚨NEW PAPER🚨

"A comprehensive #bioenergy accounting model with a multi-dimensional analysis was
developed in a new study based in #China by combining spatial, life-cycle, and multi-path analyses."

Summary in a 🧵 below ⬇️
1/6 Image
Accordingly, "the #bioenergy production potential and #GHG emission reduction for each distinct type of #biomass feedstock through different conversion pathways were estimated in the study."
2/6 Image
"The sum of all available organic waste (21.55EJ/yr) & energy plants on marginal land (11.77EJ/yr) in China produced 23.30EJ of #bioenergy & reduced 2535.32Mt CO2-eq emissions, accounting for 19.48% & 25.61% of China’s T energy production & C emissions in 2020, respectively."
3/6 Image
Read 6 tweets
Geoengineering Info Profile picture
Apr 21
🚨NEW PAPER🚨
"A promising solution to nullify the net embodied #GHG emissions of civil infrastructure is the use of C-negative materials for concrete manufacturing. C-neutral coal ash & agriculture/forestry by-products, like #biochar, exhibit a high CO2 uptake potential."
🧵
1/8 Image
📝 A lately published paper aimed "to explore the viability of using #biochar as a #CarbonSink and to develop carbon-neutral #concrete with improved performance."
2/8
📉 Experimental findings suggest that "the optimal amount of biochar (1%) slightly improves hydration and mechanical properties, but the combination with mineral additives significantly enhances the performance."
3/8
Read 8 tweets
Geoengineering Info Profile picture
Apr 20
🚨PAPER🚨

The newly published article focuses on the physical & chemical aspects of #CO2 #storage via liquid & solid chemical carriers & sorbents & gives an overview of the energetics around their use & options for their future development.
#CarbonRemoval
#CarbonStorage
🧵
1/7 ImageImage
Research pointed that "exciting opportunities for coupling #capture and medium to high maturity multi-year #storage technologies could support #CarbonRemoval in the coming decades."
2/7 Image
Highlights of the analysis are:
🔸"The remarkable #storage capacity of oxalic acid & formic acid (CO2-density of 1857 kg m−3 & 1152 kg m−3, compared with condensed liquid CO2 at 993–1096 kg m−3, respectively)."
3/7 ImageImage
Read 7 tweets

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