Tuning sorbent properties to reduce the cost of direct air capture

HE Holmes, S Banerjee, A Vallace, RP Lively… - Energy & …, 2024 - pubs.rsc.org
The question has shifted from whether solid sorbents can work in direct air capture (DAC)
technologies to which solid sorbents are more economically advantaged. Determining this is …

Competing Kinetic Consequences of CO2 on the Oxidative Degradation of Branched Poly(ethylenimine)

S Li, Y Guta, MF Calegari Andrade… - Journal of the …, 2024 - ACS Publications
Amine-functionalized porous solid materials are effective sorbents for direct air capture
(DAC) of CO2. However, they are prone to oxidative degradation in service, increasing the …

Degradation of amine-functionalized adsorbents in carbon capture and direct air capture applications: Mechanism and solutions

S Zhao, Y Zhang, L Li, J Feng, W Qiu, Y Ning… - Separation and …, 2024 - Elsevier
Amine-functionalized CO 2 adsorbents are very promising materials for carbon capture and
direct air carbon capture because of their high CO 2 uptake capacity and low regeneration …

Cold Temperature Direct Air CO2 Capture with Amine-Loaded Metal–Organic Framework Monoliths

Y Wang, G Rim, MG Song, HE Holmes… - … Applied Materials & …, 2023 - ACS Publications
Zeolites, silica-supported amines, and metal–organic frameworks (MOFs) have been
demonstrated as promising adsorbents for direct air CO2 capture (DAC), but the sha** …

Guanidine-Functionalized PIM-1 as a High-Capacity Polymeric Sorbent for CO2 Capture

A Roy, HE Holmes, LS Baugh, DC Calabro… - Chemistry of …, 2024 - ACS Publications
Polymers of intrinsic microporosity (PIMs) are attractive materials for gas adsorption due to
their high surface area and interconnected microporosity. However, the low CO2 affinity of …

Enhanced adsorption of trace carbon dioxide from acetylene using Polyethyleneimine-Diethanolamine blends

J Huang, Y Huang, D Lin, L Yu, G Miao, M Cao… - Chemical Engineering …, 2024 - Elsevier
The removal of trace carbon dioxide (CO 2) from acetylene (C 2 H 2) through adsorption
poses a significant challenge due to their similar kinetic diameters and physical properties …

Amine/vermiculite composite aerogels fabricated by polyethyleneimine-induced vermiculite nanosheet gelation for efficient direct air capture

S Wang, H Sun, J Wang, C Chen, L Jiang… - Chemical Engineering …, 2024 - Elsevier
Direct air capture (DAC), being able to remove the accumulated CO 2 in atmosphere and
CO 2 carbon emission from discrete sources, is a promising technology for mitigating the …

Oxidation of Supported Amines for CO2 Direct Air Capture: Assessing Impact on Physical Properties and Mobility via NMR Relaxometry

E Hunter‐Sellars, JD Kerr, HV Eshelman… - Macromolecular …, 2024 - Wiley Online Library
Aminopolymer‐based adsorbents are commonly investigated for CO2 direct air capture
(DAC). In the presence of high temperature and oxygen, which can occur during adsorption …

[HTML][HTML] Enhancing oxidation stability of amine-containing CO2 adsorbents using hydroxyethyl starch

C Kaur, A Sayari - Chemical Engineering Journal, 2024 - Elsevier
Amine-based adsorbents are widely used for CO 2 capture. However, one of the biggest
hurdles for their further development is their limited oxidation stability. Moreover, methods …

A cradle-to-gate life cycle assessment of green methanol production using direct air capture

N Badger, R Boylu, V Ilojianya, M Erguvan… - Energy Advances, 2024 - pubs.rsc.org
This study presents a comprehensive cradle-to-gate life cycle assessment (LCA) of synthetic
methanol production, integrating low-temperature solid sorbent direct air capture (DAC) …