Discover and read the best of Twitter Threads about #Adsorption

Most recents (3)

πŸ“πŸ’‘ π–πžπžπ€π₯𝐲 𝐇𝐒𝐠𝐑π₯π’π π‘π­π¬πŸ’‘πŸ“
Here's is your roundup of top #CarbonDioxideRemoval News Articles / Scientific Papers from the past week: 🌱πŸͺ¨πŸŽ›οΈπŸŒŠ

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1️⃣ #CarbonRemoval Policy Tracker launched by @CarbonGap to explore Europe’s #CDR #DAC #BECCS policy landscape & pilots.πŸŒ±πŸŽ›οΈ

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2/14
2️⃣ ✍️ @fionaharvey's recent blog post explored the contentious issue related to #CarbonDioxideRemoval technologies.πŸ“°

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3/14
Read 14 tweets
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πŸ“ "The N-doped #carbon material is one of the most efficient #adsorption materials in the field of carbon capture."Β So, in a recent study a series of N-doped #biochars were successfully prepared by a facile solvent-free method.

Details in a 🧡below ⬇️

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Among all N-doped biochars, "the #biochar prepared with corncob🌽 powder, K2CO3 & urea at 800°C showed highest #adsorption ability (5.69 mmol/g at 0°C & 1 bar) & selectivity (38.24 at CO2/N2 = 10/90). The biochar also showed excellent thermal stability & cycle performance."
2/7
"Notable, correlation analysis showed that ultra-micropores were the decisive factor for #CO2Β #adsorption at low temperatures; nevertheless, the effect of N-doping would gradually appear with the increase of adsorption temperature."
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Read 7 tweets
#Adsorption #Breakthrough experiments are so ubiquitous, but there isn't a good reference/review paper that addresses this technique. We wrote this review paper keeping graduate students, new entrants in mind. We hope this will be helpful. Summary in 10 pts.:
1. SET-UP: Minimize dead volume; Control inlet flow & composition; Measure outlet flow &composition;Keep col.dia/part.dia >10, col.len/col.dia>3. Measure pressure drop. Industrial column-adiabatic; Lab-scale- finite heat transfer => Measure temperature inside column.
2. OPERATION- Run expt. until both outlet composition & temperature return to inlet values. Dead volumes affect both residence time and the spread of the breakthrough curve. If dead vol. is significant, do a correction.
Read 11 tweets

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