Design of Amine-Containing Nanoporous Materials for Postcombustion CO2 Capture from Engineering Perspectives DOI
Chaehoon Kim,

Yejee Ha,

Minkee Choi

и другие.

Accounts of Chemical Research, Год журнала: 2023, Номер 56(21), С. 2887 - 2897

Опубликована: Окт. 12, 2023

ConspectusCarbon dioxide (CO2) capture and storage (CCS) is a means to enable the continued use of fossil fuels in short term. In particular, postcombustion CO2 has attracted considerable attention because it can be retrofitted into existing power plants industrial plants. Among various technologies, absorption using aqueous amines been industrially employed for decades. However, such amine scrubbing technologies have inherent limitations environmental health concerns due volatile loss, corrosion, high energy demands regeneration. To overcome these limitations, adsorption solid adsorbents emerged as promising alternative its noncorrosiveness low demand. Various amine-containing synthesized investigated capture. These materials are prepared by physically impregnating low-vapor-pressure polymers or chemically grafting onto nanoporous materials. A wide variety guests hosts (e.g., SiO2, Al2O3, zeolites, MOFs, polymers) combined develop advanced adsorbents.The design multifaceted puzzle that must ultimately consider integration with large-scale processes. engineering aspects need carefully considered. Unfortunately, significant proportion previous studies primarily focused on novel improving capacity. this Account, we describe key challenges solutions energy-efficient stable via temperature swing (TSA). We found working capacity, often overemphasized literature, does not necessarily guarantee demand Suppressing coadsorption H2O during humid flue gas also factor. Amine-containing degraded through pathways, including hydrothermal degradation chemical urea formation oxidation. inhibit extremely important properly structures molecular guests. By combining macroporous silica hosts, poly(ethylenimine) (PEI) functionalized alkyl epoxides, phosphate-based oxidative stabilizers, could synthesize exhibiting unprecedentedly thermochemical stability under TSA conditions. The host assembling fumed particles spray-drying exhibited enabled uniform distribution bulky within pores. functionalization PEI epoxides converted primary hindered secondary amines, leading reduction cycles remarkable improvement long-term stabilities. drastically improved adding phosphate metal-binding reagents, which poison ppm-level metal impurities catalyze present discussions will provide insights designing practical from perspectives.

Язык: Английский

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

и другие.

Chemical Reviews, Год журнала: 2023, Номер 123(16), С. 10432 - 10467

Опубликована: Июль 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.

Язык: Английский

Процитировано

205
Going beyond efficiency for solar evaporation DOI
Ning Xu, Jinlei Li, Casey Finnerty

и другие.

Nature Water, Год журнала: 2023, Номер 1(6), С. 494 - 501

Опубликована: Май 29, 2023

Язык: Английский

Процитировано

192
Carbon dioxide capture with zeotype materials DOI
Donglong Fu, Mark E. Davis

Chemical Society Reviews, Год журнала: 2022, Номер 51(22), С. 9340 - 9370

Опубликована: Янв. 1, 2022

This review describes the application of zeotype materials for capture CO 2 in different scenarios, critical parameters defining adsorption performances, and challenges zeolitic adsorbents capture.

Язык: Английский

Процитировано

142
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, Год журнала: 2022, Номер 10(6), С. 108930 - 108930

Опубликована: Ноя. 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.

Язык: Английский

Процитировано

101
Covalent organic frameworks for CO2 capture: from laboratory curiosity to industry implementation DOI
He Li,

Akhil Dilipkumar,

Saifudin Abubakar

и другие.

Chemical Society Reviews, Год журнала: 2023, Номер 52(18), С. 6294 - 6329

Опубликована: Янв. 1, 2023

Synergistic developments of covalent organic frameworks and engineering processes can expedite the qualitative leap for net-zero carbon emissions.

Язык: Английский

Процитировано

79
Water-Enhanced Direct Air Capture of Carbon Dioxide in Metal–Organic Frameworks DOI
Oscar Iu‐Fan Chen, Cheng-Hsin Liu, Kaiyu Wang

и другие.

Journal of the American Chemical Society, Год журнала: 2024, Номер 146(4), С. 2835 - 2844

Опубликована: Янв. 18, 2024

We have developed two series of amine-functionalized zirconium (Zr) metal–organic framework-808 (MOF-808), which were produced by postsynthetic modifications to either amino acids coordinated Zr ions (MOF-808-AAs) or polyamines covalently bound the chloro-functionalized structure (MOF-808-PAs). These MOF variants comprehensively characterized liquid-state 1H nuclear magnetic resonance (NMR) measurements and potentiometric acid–base titration determine amounts amines, energy-dispersive X-ray spectroscopy assess extent covalent substitution polyamines, powder diffraction analysis verify maintenance crystallinity after modifications, nitrogen sorption isotherm confirm retention porosity, water find uptake in pores each member series. Evaluation testing these compounds direct air capture (DAC) CO2 showed improved performance for functionalized forms, especially under humid conditions: In dry conditions, l-lysine- tris(3-aminopropyl)amine-functionalized variants, termed as MOF-808-Lys MOF-808-TAPA, exhibited highest uptakes at 400 ppm, measuring 0.612 0.498 mmol g–1, further capacity enhancement was achieved introducing 50% relative humidity, resulting remarkable 1.205 0.872 g–1 corresponding 97 75% increase compared uptakes, respectively. The mechanism underlying enhanced efficiency revealed 13C solid-state NMR temperature-programmed desorption measurements, indicating formation bicarbonate species, therefore a stoichiometry 1:1 amine site.

Язык: Английский

Процитировано

72
Support Pore Structure and Composition Strongly Influence the Direct Air Capture of CO2 on Supported Amines DOI Creative Commons
Guanhe Rim, Pranjali Priyadarshini, Mingyu Song

и другие.

Journal of the American Chemical Society, Год журнала: 2023, Номер 145(13), С. 7190 - 7204

Опубликована: Март 27, 2023

A variety of amine-impregnated porous solid sorbents for direct air capture (DAC) CO2 have been developed, yet the effect amine-solid support interactions on adsorption behavior is still poorly understood. When tetraethylenepentamine (TEPA) impregnated two different supports, commercial γ-Al2O3 and MIL-101(Cr), they show trends in sorption when temperature (−20 to 25 °C) humidity (0–70% RH) simulated stream are varied. In situ IR spectroscopy used probe mechanism supported amine materials, with weak chemisorption (formation carbamic acid) being dominant pathway over MIL-101(Cr)-supported TEPA strong carbamate) occurring γ-Al2O3-supported TEPA. Formation both acid carbamate species enhanced materials under humid conditions, most significant enhancement observed at −20 °C. However, while equilibrium H2O high cold temperatures (e.g., °C), a practical cyclic DAC process expected be minimal due slow uptake kinetics. This work suggests that mechanisms amines can controlled by adjusting degree interaction strongly affected properties materials. Thus, proper selection impregnation will important achieving optimized performance varied deployment such as or ambient operations.

Язык: Английский

Процитировано

67
Amine-impregnated porous carbon–silica sheets derived from vermiculite with superior adsorption capability and cyclic stability for CO2 capture DOI
Xiaoyu Li, Ruihong Li, Kang Peng

и другие.

Chemical Engineering Journal, Год журнала: 2023, Номер 464, С. 142662 - 142662

Опубликована: Март 30, 2023

Язык: Английский

Процитировано

60
Direct Air capture (DAC) deployment: A review of the industrial deployment DOI Creative Commons
Filippo Bisotti,

Karl Anders Hoff,

Anette Mathisen

и другие.

Chemical Engineering Science, Год журнала: 2023, Номер 283, С. 119416 - 119416

Опубликована: Окт. 21, 2023

Currently, scientists and investors consider Direct Air Capture (DAC) as one of the candidates to reduce CO2 emissions. The emissions cut is pressing since 30% (i.e., 20 GtCO2/y) current greenhouse gas must be addressed by 2030. In seven years, removal (CDR) technologies are expected reach a Technology Readiness Level (TRL), relevant industrial applications. most promising at TRL-7, but jump TRL-11 in new IEA scale for disruptive looks unlikely because scale-up from small pilots requires time large investments. Moreover, validation on still missing or even unplanned. This work also identifies critical materials supply chain competition with energy transition limiting factors which could further hinder DAC deployment contribution next years when first significant should addressed.

Язык: Английский

Процитировано

49
Emerging trends in direct air capture of CO2: a review of technology options targeting net-zero emissions DOI Creative Commons
Yasser M. Abdullatif, Ahmed Sodiq, Namra Mir

и другие.

RSC Advances, Год журнала: 2023, Номер 13(9), С. 5687 - 5722

Опубликована: Янв. 1, 2023

The increasing concentration of carbon dioxide (CO

Язык: Английский

Процитировано

48