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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

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

"Ultimately, findings from this review informed five strategies: 🔸tactical application of conventional #geoengineering; 🔸optimisation through technique alignment;
🔸adaptation to receding coastlines;"
3/6

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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

"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

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

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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

📝 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

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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

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

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

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Apr 19

@DegreesNGO

🚨PAPER🚨

A recent study funded by @DegreesNGO, executed by @peteirvine & others aims "to assess the impact of #SAG on Sea Surface Temperature (SST) in the Gulf of Guinea & its causes using GLENS simulations performed under high anthropogenic emission scenario (RCP8.5)."
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1/8

"Study focus on two dynamically different regions:
🔸Sassandra Upwelling in Côte d’Ivoire (SUC, located east of Cape Palmas)
🔸Takoradi Upwelling in Ghana (TUG, located east of Cape Three Points)"
2/8

Results show that "in the SUC region, under climate change, there is an increase in SST (referred to as the current climate) all year long (by 1.52 °C on average) mainly due to an < in net heat flux (lead by the > in longwave radiation) & also in weak vertical mixing."
3/8

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Apr 18

🚨NEW PAPER 🚨

"The energy-intensive nature of CO2 absorption-desorption processes has restricted deployment of #DAC operations. So, catalytic solvent regeneration is a valid solution to tackle this case by accelerating CO2 desorption at lower regeneration temperatures."
🧵
1/8

The new work reports "a one-step synthesis methodology to prepare monodispersed #carbon nanospheres (MCSs) using trisodium citrate as a structure-directing agent with acidic sites."
#DirectAirCapture
2/8

"The assembly of citrate groups on the surface of MCSs enables consistent spherical growth morphology, reduces agglomeration & enhances H2O dispersibility. The functionalization-assisted synthesis produces uniform hydrophilic nanospheres of 100–600nm range."
#DirectAirCapture
3/8

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