Geoengineering Info Profile picture
Apr 20, 2023 7 tweets 6 min read Read on X
🚨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
Cont'd...
🔸"The relative scalability and compatibility of carbonate salts for stationary storage with #DirectAirCapture, and the potential promise of multiple carriers for CO2 transportation."
4/7 Image
So, results suggested that "solid sorbents do not achieve such ultra-high #storage capacities, but could improve storage over compressed gas tanks on a capacity and energetics basis."
5/7 Image

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More from @geoengineering1

Jun 6
🚨A new study has revealed for the first time that ancient carbon, stored in landscapes for thousands of years or more, can find its way back to the atmosphere as CO₂ is released from the surfaces of rivers at a rate of 1.2 billion tonnes per year.

Details🧵1/8 Image
2/ To understand the true source of river CO₂, researchers compiled a global dataset of 1,195 radiocarbon measurements of dissolved inorganic carbon (DIC), CO₂ & CH₄ from rivers & streams.

This let them determine whether the emitted carbon was modern—or much older. Image
3/ Using radiocarbon signatures (¹⁴C), they found that 59% of river CO₂ emissions come from "old" C—millennia-old soil carbon & even petrogenic carbon (rock-derived, >55,000 years old)

Only ~41% came from recent biological sources like plants & microbes (decadal carbon). Image
Read 9 tweets
Jun 3
🚨🗓Carbon Removal Events Calendar by Andrew Lockley!🗓🚨

Here's a list of what's coming up this week (03 June - 09 June 2025) in the field of #CarbonDioxideRemoval:

🔗:

🧵1/13 teamup.com/kshqbfhrqkw36s…Image
EVENT—Carbon Removal Summit: Business Value in a Shifting Landscape by CUR8 Events

🗓03 June 2025 | London, England
🔗

2/13lu.ma/hn94fhf4
EVENT—Mastering Carbon Credit Contracts for Corporate Buyers and Suppliers by Ceezer

🗓03 June 2025 | Online
🔗

3/13insight.ceezer.earth/mastering-carb…
Read 14 tweets
Jun 1
📝💡𝐖𝐞𝐞𝐤𝐥𝐲 𝐂𝐃𝐑 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬💡📝

📰 Here's your round-up of top #CarbonDioxideRemoval News / Developments from this week (26 May - 01 June 2025):

🔗:

🧵0/21
Gresham House raised £500M to expand UK forestry and carbon removal, targeting 4.7M tonnes of CO₂ via nature-based credits.

1/21
esgnews.com/gresham-house-…
Biochar firm TOWING raised ¥1.94B (~$12M) in Series B to scale its high-performance carbon removal tech.

2/21
prtimes.jp/main/html/rd/p…
Read 23 tweets
May 29
🚨A NEW study explores a theoretical #geoengineering approach to combat global warming — by altering Earth’s orbit.

Simulations suggest that shifting Earth ~5.8% farther from the Sun could cool the planet by roughly 7K, effectively offsetting projected warming.

DETAILS🧵1/10
2/ Climate models suggest global temperatures could rise by 7K by 2100, driven by greenhouse gas emissions.

This study asks: what if, instead of changing the atmosphere, we changed our position in space?
Specifically: increase Earth’s orbital radius.
3/ Basically, the paper builds on the science of Milankovitch cycles which is slow, natural variations in Earth’s orbit and tilt that have triggered past ice ages.

These cycles show that even slight orbital changes can dramatically affect climate. Image
Read 12 tweets
May 28
🚨What’s ahead in #SolarGeoengineering?🚨

From research proposal deadlines to online events, in-person conferences, and job alerts — our SRM Events Calendar is packed with all key updates.

🔗:

Here’s what’s coming up in the SRM field:🧵1/13 teamup.com/ks64mmvtit583e…Image
CALL FOR RESEARCH PRESENTATION PROPOSAL—RFF and the Harvard Solar Geoengineering Research Program invite individuals to present research at their upcoming workshop

🗓Deadline: 30 May 2025
🔗

2/13rff.org/events/confere…
EVENT—Climate Intervention Virtual Symposia #18

🗓30 May 2025 | Online
🔗

3/13sites.google.com/view/solargeo-…
Read 14 tweets
May 27
🚨🗓Carbon Removal Events Calendar by Andrew Lockley!🗓🚨

Here's a list of what's coming up this week (27 May - 03 June 2025) in the field of #CarbonDioxideRemoval:

🔗:

🧵1/15 teamup.com/kshqbfhrqkw36s…Image
EVENT—This is CDR: Avnos' Water-Positive, Hybrid Direct Air Capture with Will Kain by @openaircollect

🗓27 May 2025 | Online
🔗lu.ma/xw0eh18o
EVENT—A European CDR Purchasing Programme by CDR Policy Scoop

🗓27 May 2025 | Online
🔗linkedin.com/events/aeurope…
Read 16 tweets

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