Direct Air Capture of CO2 with Aqueous Amino Acids and Solid Bis-Iminoguanidines (BIGs)

22 August 2019, Version 1
This content is a preprint and has not undergone peer review at the time of posting.


A bench-scale direct air capture process is reported, based on CO2 absorption with aqueous amino acids and carbonate crystallization with a guanidine compound.


CO2 capture
amino acids
direct air capture


Comments are not moderated before they are posted, but they can be removed by the site moderators if they are found to be in contravention of our Commenting Policy [opens in a new tab] - please read this policy before you post. Comments should be used for scholarly discussion of the content in question. You can find more information about how to use the commenting feature here [opens in a new tab] .
This site is protected by reCAPTCHA and the Google Privacy Policy [opens in a new tab] and Terms of Service [opens in a new tab] apply.