Sustainable advancements in hazardous gases capture: Harnessing the potential of deep eutectic solvents DOI Creative Commons
Emmanuel A. Oke

Sustainable Chemistry for the Environment, Journal Year: 2024, Volume and Issue: 6, P. 100083 - 100083

Published: March 19, 2024

Deep eutectic solvents (DESs) represent a promising solution for gas capture within existing industrial frameworks, requiring minimal retrofitting. This review explores the absorption and solubility capabilities of diverse DESs, emphasising their tunability through variations in hydrogen bond donors (HBDs), acceptors (HBAs), molar mixing ratios. The introduction water marginally enhances absorption, while increased HBD ratios elevated temperatures lead to decreased solubility. Conversely, pressure elevation improves DES. alkyl chain length DES HBA correlates with solubility, attributed an increase free volume. Other factors like ionicity alkalinity DESs were reported enhance capture. also discusses selectivity capturing distinct gases, unveiling robust hydrogen-bond supramolecular network as key determinant high selectivity. Examples include effective NH3 NH3/CO2 mixtures targeted SO2 CO2/SO2 mixtures. mechanism gaseous pollutants using is both physical chemical, playing dominant role. During regeneration stability volatility are significant consider. These insights underscore potential tailoring selective strategies, providing avenues future research practical applications environmental contexts.

Language: Английский

Hydrogen fuel cell electric trains: Technologies, current status, and future DOI Creative Commons
Daniel Z. Ding, Xiaoyu Wu

Applications in Energy and Combustion Science, Journal Year: 2024, Volume and Issue: 17, P. 100255 - 100255

Published: Feb. 5, 2024

Trains have been a crucial part of modern transport, and their high energy efficiency low greenhouse gas emissions make them ideal candidates for the future transport system. Transitioning from diesel trains to hydrogen fuel cell electric is promising way decarbonize rail transport. That's because several advantages over other trains, such as lower life-cycle shorter refueling time than battery ones, less requirements wayside infrastructure ones with overhead wires. However, technology still needs be advanced in areas including production, storage, refueling, on-board management. Currently, there are pilot projects across globe, especially developed countries, one commercialized permanent route Germany. The experiences will promote technological economic feasibility

Language: Английский

Citations

30
Recent insights on MXene-based architectures for monitoring and sensing of gaseous pollutants: A review DOI
Yan Chen, Xiaobo Li,

Chaotong Zhu

et al.

Talanta, Journal Year: 2024, Volume and Issue: 280, P. 126700 - 126700

Published: Aug. 24, 2024

Language: Английский

Citations

7
Catalytic Reactor-Utilized Ammonia Adsorption, Absorption, and Storage Materials: Mechanism, Nanostructure, and Ab Initio Design DOI Creative Commons
Aleksandra Zamljen, Blaž Likozar

ACS Sustainable Chemistry & Engineering, Journal Year: 2024, Volume and Issue: 12(48), P. 17417 - 17436

Published: Nov. 19, 2024

As the world's technological development shifts toward a sustainable energy future by harnessing renewable sources, ammonia is gaining recognition as complementary green vector to hydrogen. This energy-dense carbon-neutral fuel capable of overcoming hydrogen's limitations in terms storage, distribution, and infrastructure deployment. The biggest challenge global use an storage medium remains more efficient, readily deployable production from abundant, yet intermittent, sources. Green decentralized production, which refers small-scale, localized utilizing environmentally methods, offers promising approach challenges traditional synthesis. process aims minimize carbon emissions, increase efficiency, improve accessibility remote regions. Ammonia separation using sorbent materials holds significant potential providing viable alternative conventional condensation-based with particular benefits improving efficiency. perspective summarizes recent developments field separation, focusing on newly developed sorbents for integrated synthesis–separation process, particularly metal halides that could potentially replace condenser. solutions are also discussed. Moreover, this outlines mechanism absorption into its kinetics thermodynamics. computational methods new described, thereby laying foundations technology.

Language: Английский

Citations

2
Sustainable advancements in hazardous gases capture: Harnessing the potential of deep eutectic solvents DOI Creative Commons
Emmanuel A. Oke

Sustainable Chemistry for the Environment, Journal Year: 2024, Volume and Issue: 6, P. 100083 - 100083

Published: March 19, 2024

Deep eutectic solvents (DESs) represent a promising solution for gas capture within existing industrial frameworks, requiring minimal retrofitting. This review explores the absorption and solubility capabilities of diverse DESs, emphasising their tunability through variations in hydrogen bond donors (HBDs), acceptors (HBAs), molar mixing ratios. The introduction water marginally enhances absorption, while increased HBD ratios elevated temperatures lead to decreased solubility. Conversely, pressure elevation improves DES. alkyl chain length DES HBA correlates with solubility, attributed an increase free volume. Other factors like ionicity alkalinity DESs were reported enhance capture. also discusses selectivity capturing distinct gases, unveiling robust hydrogen-bond supramolecular network as key determinant high selectivity. Examples include effective NH3 NH3/CO2 mixtures targeted SO2 CO2/SO2 mixtures. mechanism gaseous pollutants using is both physical chemical, playing dominant role. During regeneration stability volatility are significant consider. These insights underscore potential tailoring selective strategies, providing avenues future research practical applications environmental contexts.

Language: Английский

Citations

1