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Geoengineering Info Profile picture
@geoengineering1
Apr 30 โ€ข 14 tweets โ€ข 14 min read Twitter logo Read on Twitter
๐Ÿ“๐Ÿ’ก ๐–๐ž๐ž๐ค๐ฅ๐ฒ ๐‡๐ข๐ ๐ก๐ฅ๐ข๐ ๐ก๐ญ๐ฌ๐Ÿ’ก๐Ÿ“
Here's is your roundup of top #CarbonDioxideRemoval News Articles / Scientific Papers from the past week: ๐ŸŒฑ๐Ÿชจ๐ŸŽ›๏ธ๐ŸŒŠ

๐Ÿงต
1/14 Image
1๏ธโƒฃ #CarbonRemoval Policy Tracker launched by @CarbonGap to explore Europeโ€™s #CDR #DAC #BECCS policy landscape & pilots.๐ŸŒฑ๐ŸŽ›๏ธ

โžก๏ธ
2/14
2๏ธโƒฃ โœ๏ธ @fionaharvey's recent blog post explored the contentious issue related to #CarbonDioxideRemoval technologies.๐Ÿ“ฐ

โžก๏ธ
3/14
3๏ธโƒฃ๐Ÿ’ฐ NextGen #CDR Facility are buying 193125 metric tonnes of advanced #CarbonDioxideRemovals from first-rate 3 different #CDR projects. "This is 1 of the biggest purchases of CDR to date!"
@southpoleglobal @MHI_Group @carboculture @1PointFiveCCUS

โžก๏ธ
4/14
4๏ธโƒฃ ๐ŸŽ›๏ธ A groundbreaking ceremony was held for STRATOS ("Once fully operational, ๐—ฆ๐—ง๐—ฅ๐—”๐—ง๐—ข๐—ฆ will be the worldโ€™s largest #DirectAirCapture facility, expected to capture up to 500,000 tonnes of COโ‚‚ per year").
@CarbonEngineer @Worley_ECR

โžก๏ธ
5/14
5๏ธโƒฃ ๐Ÿ“A novel #DirectAirCapture concept is developed by @rosner_fabian et al., whereby cooling towers at #geothermal power plants are hybridized to capture CO2 at very #lowcost.

๐Ÿ”Š๐ŸŽ™๏ธโžก๏ธ

๐Ÿ“๐Ÿ“–โžก๏ธ
6/14
6๏ธโƒฃ ๐Ÿ“Researchers presented a novel laboratory testing method to assess #GeologicalStorage and CO2 hydrate formation risks.

๐Ÿ”Š๐ŸŽ™๏ธโžก๏ธ

๐Ÿ“๐Ÿ“–โžก๏ธ
7/14
7๏ธโƒฃ ๐Ÿ“Study found that the scenario considering Direct Air Carbon Capture & Storage mitigates the adverse impact on food access in regions such as Sub-Saharan Africa compared to the scenario not considering #DACCS.

๐Ÿ”Š๐ŸŽ™๏ธโžก๏ธ

๐Ÿ“๐Ÿ“–โžก๏ธ
8/14
8๏ธโƒฃ ๐Ÿ“A research funded by @Caltech and performed by @DonglongFu1 & Mark Devis showed that the use of zeolitic materials is feasible for #DirectAirCapture, especially when it is integrated with water harvesting.

๐Ÿ”Š๐ŸŽ™๏ธโžก๏ธ

๐Ÿ“๐Ÿ“–โžก๏ธ
9/14
9๏ธโƒฃ ๐Ÿ“The #biochar prepared with corncob๐ŸŒฝ powder, K2CO3 & urea at 800ยฐC has "highest efficiency of #CO2 #adsorption", researchers found.

๐Ÿ”Š๐ŸŽ™๏ธโžก๏ธ

๐Ÿ“๐Ÿ“–โžก๏ธ
10/14
๐Ÿ”Ÿ ๐Ÿ“œ A new detailed report focusing on the role of #CarbonSequestration in reducing and #removing #CO2 emissions is issued by The Climate Change Authority of #Australia.

๐Ÿ”Š๐ŸŽ™๏ธโžก๏ธ

๐Ÿ“๐Ÿ“–โžก๏ธ
11/14
1๏ธโƒฃ1๏ธโƒฃ ๐Ÿ“A Finland based study indicated a strong spatial associations between biophysical assessment of #CO2 #flux & biodiversity priorities, and weaker associations between biophysical and social values.

๐Ÿ”Š๐ŸŽ™๏ธโžก๏ธ

๐Ÿ“๐Ÿ“–โžก๏ธ
12/14
1๏ธโƒฃ2๏ธโƒฃ Elco J Rohling addressed the principles of marine technologies for removing carbon dioxide (mainly #OceanIronFertilization & #OceanAlkalinityEnhancement) as well as debunked common misconceptions about them.

๐Ÿ”Š๐ŸŽ™๏ธโžก๏ธ

๐Ÿ“๐Ÿ“–โžก๏ธ
13/14
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More from @geoengineering1

Geoengineering Info Profile picture
May 2
๐Ÿšจ๐Ÿ†•STUDY๐Ÿšจ
"The study explored the wide range in #CDR deployment volumes across 1.5ยฐC compatible & high overshoot pathways by evaluating the links btw CDR & conceptually linked scenario aspects, via focus on CDR in 2050 & scenario properties related to reaching #NetZero CO2."
๐Ÿงต Image
"#CDR volumes
were further evaluated in terms of their relative and absolute contribution to total mitigation up until reaching
net-zero CO2, showing considerable variation across scenarios with a median relative contribution of around 20%."
2/7 Image
"The volumes of #CDR in 2050 and 2100 and the cumulative amount throughout the 21st century were most strongly correlated to the degree to which CO2 emissions are reduced as a means of reaching net-zero CO2."
3/7 ImageImage
Read 8 tweets
Geoengineering Info Profile picture
May 1
๐Ÿšจ๐…๐จ๐ซ #๐‚๐ƒ๐‘ ๐…๐จ๐ฅ๐ค๐ฌ!๐Ÿšจ
ICYM any recent developments in the field of #CarbonDioxideRemoval published btw ๐‰๐š๐ง๐ฎ๐š๐ซ๐ฒ ๐Ÿ๐ŸŽ๐Ÿ๐Ÿ‘ & ๐€๐ฉ๐ซ๐ข๐ฅ ๐Ÿ๐ŸŽ๐Ÿ๐Ÿ‘, here are links to (in๐Ÿงตโฌ‡๏ธ) all pertinent research papers, news articles, reports, thesis, event recordings, & podcasts โฌ‡๏ธ Image
๐Ÿ“† ๐€๐๐‘๐ˆ๐‹

๐Ÿšจ๐Ÿ†•๐ŸŒฑ rb.gy/zcw3p

๐ŸŒฑ rb.gy/dz7ea

๐ŸŒฑ rb.gy/ydck8

๐ŸŒฑ rb.gy/vn7g9

๐ŸŒฑ rb.gy/0rojj

2/6 Image
๐Ÿ“… ๐Œ๐€๐‘๐‚๐‡

๐ŸŒฑ rb.gy/1zjyz

๐ŸŒฑ rb.gy/2v54b

๐ŸŒฑ rb.gy/h1jwn

๐ŸŒฑ rb.gy/v1tmu

3/6 Image
Read 6 tweets
Geoengineering Info Profile picture
Apr 30
๐Ÿšจ๐๐„๐– ๐๐€๐๐„๐‘๐Ÿšจ

A lately published paper by @rosner_fabian, Schamberger & @hanna_breunig present "a novel #DirectAirCapture concept whereby cooling towers at #geothermal power plants are hybridized to capture CO2 at very #lowcost."

Details in a ๐Ÿงตbelowโฌ‡๏ธ
[1/6] Image
"The system design is elegant in its ability to overcome key technical challenges and highlights the potential for using existing infrastructure to lower #DirectAirCapture cost and land footprint, and secure utilities and public confidence."
2/6 Image
"The techno-economic analysis suggests a cost-of-capture of $100 per metric tonne of CO2 is feasible, allowing #geothermal facilities to increase their net profit by $29 per metric tonne of CO2 captured โ€” or $6 million per year โ€” under the 45Q tax credit."
3/6 ImageImage
Read 6 tweets
Geoengineering Info Profile picture
Apr 30
๐ŸšจNEW PAPER๐Ÿšจ

"The recent paper aims to highlight key operational challenges related to #CO2 #Injection in low-temp environments at various pressures."

So, a new approach is provided "to assess injectivity impairment phenomena, & their remediation at the lab scale."

๐Ÿงต
1/11 Image
"A novel core flooding-based testing apparatus was used to reckon permeability changes of porous core medium during injection of #CO2 across a range of saturations/T/P. This shows the effect on injectivity of
formation-damage mechanisms, including formation of CO2ย hydrates."
2/11 Image
"The new dynamic dual-phase injection test rig was designed, built, and used in this study to assess a range of conditions expected during #CO2ย #injection either into deep saline aquifers or depleted oil and gas reservoirs."
3/11
Read 11 tweets
Geoengineering Info Profile picture
Apr 29
๐Ÿšจ๐‘๐„๐•๐ˆ๐„๐– ๐๐€๐๐„๐‘๐Ÿšจ

"The recent review article discusses the basic operation of the marine #CarbonCycle & 2 #mCDR methods that are "thought to offer the greatest potential in terms of #CDR mass:
๐ŸŒŠ#OceanIronFertilization
&
๐ŸŒŠ#OceanAlkalinityEnhancement."

๐Ÿงต
1/14 ImageImage
Various conclusions were drawn in the review which are enlisted below:

1๏ธโƒฃ "The alkalinity of the ocean creates a massive increase in the oceanโ€™s capacity to #store #carbon, relative to a scenario without #OceanAlkalinity."
2/14 Image
2๏ธโƒฃ "Ocean warming causes decreases in both #CO2 #solubility and the Revelle factor (B), which make the ocean less efficient at #absorbing CO2."
3/14 Image
Read 14 tweets
Geoengineering Info Profile picture
Apr 29
๐ŸšจPAPER๐Ÿšจ

"Many scenario analyses suggest that #NegativeEmissionTechnologies, such as #bioenergy with carbon capture and storage & #afforestation, are required to achieve #NetZero target, but their large-scale deployment has a trade-off relationship with food security."
๐Ÿงต
1/7 Image
So, a new study considered an innovative #NET, "direct air carbon capture and storage (#DACCS), and analyzed its impact on global food access based on an indicator defined by food expenditure per GDP."
2/7
Study found that "the scenario considering DACCS mitigates the adverse impact on food access in regions such as Sub-Saharan Africa compared to the scenario not considering #DACCS by alleviating food expenditure increase & GDP loss associated with emission reduction efforts."
3/7
Read 7 tweets

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