Water management and heat integration in direct air capture systems DOI Creative Commons
Hannah E. Holmes, Matthew J. Realff, Ryan P. Lively

et al.

Nature Chemical Engineering, Journal Year: 2024, Volume and Issue: 1(3), P. 208 - 215

Published: March 5, 2024

Water plays a pivotal role in direct air capture technologies, impacting materials, regeneration processes and product streams. CO2 removal methods, including absorption, adsorption electrochemical techniques, encounter challenges associated with water, thus reducing their efficacy. fluxes into out of aqueous solvents affect the concentration overall performance. Solid adsorbents co-adsorb water greater quantities than will require effective strategies to address substantial energy penalty desorption each cycle. Water-management are imperative for economic viability minimizing environmental impact, but high intensity necessitates heat recovery techniques. Feed dehydration can be combined strategic integration process streams standard techniques front-end management. For back-end approaches, mechanical vapor compression is viable solution coupling management, we highlight potential benefits three implementation methods. Further research variable climate conditions quality impacts essential success technologies. management crucial enhancing impact (DAC) This Perspective discusses several DAC processes.

Language: Английский

A scalable metal-organic framework as a durable physisorbent for carbon dioxide capture DOI
Jian‐Bin Lin, Tai Nguyen, Ramanathan Vaidhyanathan

et al.

Science, Journal Year: 2021, Volume and Issue: 374(6574), P. 1464 - 1469

Published: Dec. 16, 2021

A hydrophobic CO 2 physisorbent Most materials for carbon dioxide (CO ) capture of fossil fuel combustion, such as amines, rely on strong chemisorption interactions that are highly selective but can incur a large energy penalty to release . Lin et al show zinc-based metal organic framework material physisorb and incurs lower regeneration penalty. Its binding site at the center pores precludes formation hydrogen-bonding networks between water molecules. This durable preferentially adsorb CO2 40% relative humidity maintains its performance under flue gas conditions 150°C. —PDS

Language: Английский

Citations

584
Porous materials for carbon dioxide separations DOI
Rebecca L. Siegelman, Eugene J. Kim, Jeffrey R. Long

et al.

Nature Materials, Journal Year: 2021, Volume and Issue: 20(8), P. 1060 - 1072

Published: July 28, 2021

Language: Английский

Citations

480
Recent advances in direct air capture by adsorption DOI
Xuancan Zhu, Wenwen Xie,

Junye Wu

et al.

Chemical Society Reviews, Journal Year: 2022, Volume and Issue: 51(15), P. 6574 - 6651

Published: Jan. 1, 2022

This review provides exhaustive insights into material and process design of adsorption-based direct air capture in the past five years.

Language: Английский

Citations

227
Ionic Liquids Functionalized MOFs for Adsorption DOI
Xueqin Li, Kai Chen, Ruili Guo

et al.

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(16), P. 10432 - 10467

Published: July 14, 2023

Metal–organic frameworks (MOFs) and ionic liquids (ILs) represent promising materials for adsorption separation. ILs incorporated into MOF (denoted as IL/MOF composites) have been developed, composites combine the advantages of MOFs to achieve enhanced performance in adsorption-based separation fluid mixtures. The designed different are introduced various tailor their functional properties, which affect optimal adsorptive performance. In this Perspective, rational fabrication is presented, properties demonstrated. This paper provides a critical overview an emergent class termed well recent advances applications adsorbents or membranes Furthermore, gas separations (CO2 capture from flue gas, natural purification, acetylene ethylene, indoor pollutants removal) liquid (separation bioactive components, organic-contaminant removal, desulfurization, radionuclide discussed. Finally, existing challenges highlighted, appropriate design strategy direction effective exploration new proposed.

Language: Английский

Citations

195
Progress and current challenges for CO2 capture materials from ambient air DOI

Junya Wang,

Rong Fu,

Shikun Wen

et al.

Advanced Composites and Hybrid Materials, Journal Year: 2022, Volume and Issue: 5(4), P. 2721 - 2759

Published: Oct. 20, 2022

Language: Английский

Citations

117
Advancements in CO2 capture by absorption and adsorption: A comprehensive review DOI Creative Commons
Xiang Yun Debbie Soo, Johnathan Joo Cheng Lee, Wen‐Ya Wu

et al.

Journal of CO2 Utilization, Journal Year: 2024, Volume and Issue: 81, P. 102727 - 102727

Published: March 1, 2024

In the face of escalating global climate challenges, effective carbon dioxide (CO₂) capture techniques remain at forefront mitigating anthropogenic greenhouse gas emissions. This comprehensive review elucidates latest advancements in CO₂ capture, emphasizing two predominant methodologies: absorption and adsorption. We delve into mechanisms underlying each process, highlighting novel materials technologies that have emerged over recent years. For absorption, focus is placed on material design strategy, identifying new class amines, ionic liquids (ILs) nanofluids for enhanced CO2 capacities reduced energy requirements. realm adsorption, synthesis innovative adsorbents, such as metal organic framework (MOF), polymers, inorganic silicon-based biochar byproducts from biomass with superior selectivity stability, explored. Additionally, addresses challenges associated method, offering insights potential avenues further research. By providing a holistic overview current landscape this article serves pivotal resource researchers industry professionals aiming to advance sustainable solutions combat change.

Language: Английский

Citations

112
Understanding Synthesis–Structure–Performance Correlations of Nanoarchitectured Activated Carbons for Electrochemical Applications and Carbon Capture DOI
Songtao Zhang, Mingbo Zheng,

Yijian Tang

et al.

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(40)

Published: Aug. 7, 2022

Abstract Activated carbons are one of the most important classes high‐surface‐area porous materials. Owing to their unique structure, low price, and large‐scale production technology, these have been traditionally used as sorbents for eliminating contamination. In past decade, many innovations seen in synthesis, applications, theoretical experimental methods. Herein, a comprehensive review up‐to‐date progress activated is presented from viewpoint synthetic chemistry materials science. First, critical textural properties discussed, with special emphasis on texture, heteroatom doping, surface functional groups, partial graphitization. Next, advanced strategies summarized. Special attention given reaction mechanism between activating agents carbon sources, well design controlled forms morphology. Then, applicability various emerging fields covered, including supercapacitors, capacitive deionization, batteries, electrocatalysis, capture. particular, this highlights potential synthesis–structure–property correlations Finally, we present future challenges outlook success energy environmental

Language: Английский

Citations

97
Recent progress in metal-organic frameworks (MOFs) for CO2 capture at different pressures DOI Creative Commons

Shreya Mahajan,

Manu Lahtinen

Journal of environmental chemical engineering, Journal Year: 2022, Volume and Issue: 10(6), P. 108930 - 108930

Published: Nov. 6, 2022

Global climate change ensued by the rise in atmospheric CO2 levels is one of greatest challenges our planet facing today. This worldwide distress demands technologies that can contribute to society toward "negative carbon emissions". Carbon capture and storage (CCS) are important role for capturing from existing emission sources, such as industrial energy production point before new more prominent modifications infrastructure be implemented. Recently, alongside source capture, direct air (DAC) processes have emerged highly sought-after able ambient air. Alongside traditional inorganic adsorbents, a class solid porous called metal-organic frameworks (MOFs) recent years also, group potentially very efficient materials CO2. The promising results MOF-based adsorbents already achieved great interest contributed their ever-accelerating research develop even better both DAC recovery technologies. review highlights has been focused on utilizing MOFs processes, particularly targeting applicable low partial pressures but also pure (1 bar) will reviewed, because it widely used test condition characterizing sorption properties MOF adsorbents. Herein, we outline four major approaches, through which adsorption capacity selectivity boosted, including targeted metal centers, pore size control, proper selection substitution linker units, functionalization amines. mechanisms event reviewed perspective physisorption chemisorption phenomena. At end review, briefly examine variables related coordination technical-economical, process-technical, physicochemical researchers engineers should consider when developing with emphasis material processing, capacity, selectivity, regeneration cyclicity, cost.

Language: Английский

Citations

97
Missing‐linker Defects in Covalent Organic Framework Membranes for Efficient CO2 Separation DOI
Zheyuan Guo, Hong Wu, Yu Chen

et al.

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 61(41)

Published: Aug. 18, 2022

Covalent organic framework (COF) membranes with tunable ordered channels and free groups hold great promise in molecular separations owing to the synergy of physical chemical microenvironments. Herein, we develop a defect engineering strategy fabricate COF for efficient CO2 separation. Abundant amino are situ generated on nanosheets arising from missing-linker defects during reactive assembly amine monomer mixed aldehyde monomers. The assembled membranes. Amino groups, as facilitated transport carriers, along endow membrane high permeances exceeding 300 GPU excellent separation selectivity 80 /N2 , 54 /CH4 gas under humidified state. Our offers facile approach generating functional other diverse separations.

Language: Английский

Citations

91
Aluminum formate, Al(HCOO) 3 : An earth-abundant, scalable, and highly selective material for CO 2 capture DOI Creative Commons
Hayden A. Evans, Dinesh Mullangi, Zeyu Deng

et al.

Science Advances, Journal Year: 2022, Volume and Issue: 8(44)

Published: Nov. 2, 2022

A combination of gas adsorption and breakthrough measurements show that the metal-organic framework, Al(HCOO)

Language: Английский

Citations

79