1
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Yue F, Shi M, Li C, Meng Y, Zhang S, Wang L, Song Y, Li J, Zhang H. S-scheme heterojunction Cu-porphyrin/TiO 2 nanosheets with highly efficient photocatalytic reduction of CO 2 in ambient air. J Colloid Interface Sci 2024; 665:1079-1090. [PMID: 38581719 DOI: 10.1016/j.jcis.2024.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/31/2024] [Accepted: 04/01/2024] [Indexed: 04/08/2024]
Abstract
Directly capturing CO2 in ambient air and converting it into value-added fuels using photocatalysis is a potentially valuable technology. In this study, Cu-porphyrin (tetrakis-carboxyphenyl porphyrin copper, CuTCPP) was innovatively anchored on the surface of TiO2 (titanium dioxide) nanosheets to form an S-scheme heterojunction. Based on this, a photocatalytic reaction system for stably converting CO2 in ambient air into value-added fuels at the gas-solid interface was constructed without addition of sacrificial agents and alkaline liquids. Under the illumination of visible light and sunlight, the evolution rate of CO is 56 μmol·g-1·h-1 and 73 μmol·g-1·h-1, respectively, with a potential CO2 conversion rate of 35.8 % and 50.4 %. The enhanced of photocatalytic performance is attributed to the introduction of CuTCPP, which provides additional active sites, significantly improves capture capacity of CO2 and the utilization of electrons. Additionally, the formation of S-scheme heterojunction expands the redox range and improves the separation efficiency of photo-generated charges.
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Affiliation(s)
- Feng Yue
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Mengke Shi
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Cong Li
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China; Department of Chemistry, University of Camerino, 62032 Camerino, Macerata, Italy
| | - Yang Meng
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Shuo Zhang
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Lan Wang
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Yali Song
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Jun Li
- Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450052, China.
| | - Hongzhong Zhang
- Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou 450001, China.
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2
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Sun X, Shen X, Wang H, Yan F, Hua J, Li G, Zhang Z. Atom-level interaction design between amines and support for achieving efficient and stable CO 2 capture. Nat Commun 2024; 15:5068. [PMID: 38871697 DOI: 10.1038/s41467-024-48994-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 05/15/2024] [Indexed: 06/15/2024] Open
Abstract
Amine-functionalized adsorbents offer substantial potential for CO2 capture owing to their selectivity and diverse application scenarios. However, their effectiveness is hindered by low efficiency and unstable cyclic performance. Here we introduce an amine-support system designed to achieve efficient and stable CO2 capture. Through atom-level design, each polyethyleneimine (PEI) molecule is precisely impregnated into the cage-like pore of MIL-101(Cr), forming stable composites via strong coordination with unsaturated Cr acid sites within the crystal lattice. The resulting adsorbent demonstrates a low regeneration energy (39.6 kJ/molCO2), excellent cyclic stability (0.18% decay per cycle under dry CO2 regeneration), high CO2 adsorption capacity (4.0 mmol/g), and rapid adsorption kinetics (15 min for saturation at 30 °C). These properties stem from the unique electron-level interaction between the amine and the support, effectively preventing carbamate products' dehydration. This work presents a feasible and promising cost-effective and sustainable CO2 capture strategy.
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Affiliation(s)
- Xin Sun
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xuehua Shen
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
- Key Laboratory of Municipal Solid Waste Recycling Technology and Management of Shenzhen City, Shenzhen, 518055, China.
| | - Hao Wang
- Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic University, Shenzhen, Guangdong, 518055, China.
| | - Feng Yan
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
- Key Laboratory of Municipal Solid Waste Recycling Technology and Management of Shenzhen City, Shenzhen, 518055, China
| | - Jiali Hua
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Guanghuan Li
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Zuotai Zhang
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
- Key Laboratory of Municipal Solid Waste Recycling Technology and Management of Shenzhen City, Shenzhen, 518055, China.
- Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic University, Shenzhen, Guangdong, 518055, China.
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3
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S Alivand M, Habiba U, Ghasemian M, Askari S, Webley PA. Amine-Functionalized Meso-Macroporous Polymers for Efficient CO 2 Capture from Ambient Air. ACS APPLIED MATERIALS & INTERFACES 2024; 16:17411-17421. [PMID: 38557056 DOI: 10.1021/acsami.3c17126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Over the past decade, direct air capture (DAC) of carbon dioxide (CO2) using solid nanoadsorbents has garnered attention as a negative emission technology with high energy efficiency. Although operational, the large-scale deployment of DAC technologies has been significantly delayed due to the low performance and high cost of solid DAC nanoadsorbents. Herein, we present a novel family of meso-macroporous melamine formaldehyde (MF) materials with a facile preparation methodology, low capital cost, and unique physicochemical characteristics for DAC. The fabricated MF materials exhibit an extra-large pore volume of 5.19 cm3/g with a 24.6 nm average pore diameter. We show that the synthesized MF materials can be used as substrates and impregnated with different amounts of tetraethylenepentamine (TEPA) to act as chemical nanoadsorbents for DAC. Owing to the ultrahigh pore volume of MF, a substantial amount of 71 wt % TEPA (i.e., MF-TEPA71%) can be loaded, resulting in 2.65 mmol/g of CO2 uptake under DAC conditions. In addition, the superior physicochemical properties of MF lead to a high CO2 loading of 2.07 mmol/g with low TEPA loading in MF-TEPA33%. The prepared MF-TEPA nanoadsorbents can be successfully employed in different shapes (i.e., droplets, pellets, and coatings) and maintain their superiority across different temperatures and CO2 concentrations. This study provides a promising approach for developing meso-macroporous substrates through a straightforward and scalable synthesis method, representing a new avenue for the next generation of DAC nanoadsorbents with superior performance for practical applications.
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Affiliation(s)
- Masood S Alivand
- Department of Chemical Engineering, Faculty of Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Umma Habiba
- Department of Chemical Engineering, Faculty of Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Mohsen Ghasemian
- Department of Chemical Engineering, Faculty of Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Saeed Askari
- Department of Chemical Engineering, Faculty of Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Paul A Webley
- Department of Chemical Engineering, Faculty of Engineering, Monash University, Clayton, Victoria 3800, Australia
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4
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Wang Y, Rim G, Song M, Holmes HE, Jones CW, Lively RP. Cold Temperature Direct Air CO 2 Capture with Amine-Loaded Metal-Organic Framework Monoliths. ACS APPLIED MATERIALS & INTERFACES 2024; 16:1404-1415. [PMID: 38109480 PMCID: PMC10788822 DOI: 10.1021/acsami.3c13528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 11/29/2023] [Accepted: 11/29/2023] [Indexed: 12/20/2023]
Abstract
Zeolites, silica-supported amines, and metal-organic frameworks (MOFs) have been demonstrated as promising adsorbents for direct air CO2 capture (DAC), but the shaping and structuring of these materials into sorbent modules for practical processes have been inadequately investigated compared to the extensive research on powder materials. Furthermore, there have been relatively few studies reporting the DAC performance of sorbent contactors under cold, subambient conditions (temperatures below 20 °C). In this work, we demonstrate the successful fabrication of adsorbent monoliths composed of cellulose acetate (CA) and adsorbent particles such as zeolite 13X and MOF MIL-101(Cr) by a 3D printing technique: solution-based additive manufacturing (SBAM). These monoliths feature interpenetrated macroporous polymeric frameworks in which microcrystals of zeolite 13X or MIL-101(Cr) are evenly distributed, highlighting the versatility of SBAM in fabricating monoliths containing sorbents with different particle sizes and density. Branched poly(ethylenimine) (PEI) is successfully loaded into the CA/MIL-101(Cr) monoliths to impart CO2 uptakes of 1.05 mmol gmonolith-1 at -20 °C and 400 ppm of CO2. Kinetic analysis shows that the CO2 sorption kinetics of PEI-loaded MIL-101(Cr) sorbents are not compromised in the monoliths compared to the powder sorbents. Importantly, these monoliths exhibit promising working capacities (0.95 mmol gmonolith-1) over 14 temperature swing cycles with a moderate regeneration temperature of 60 °C. Dynamic breakthrough experiments at 25 °C under dry conditions reveal a CO2 uptake capacity of 0.60 mmol gmonolith-1, which further increases to 1.05 and 1.43 mmol gmonolith-1 at -20 °C under dry and humid (70% relative humidity) conditions, respectively. Our work showcases the successful implementation of SBAM in making DAC sorbent monoliths with notable CO2 capture performance over a wide range of sorption temperatures, suggesting that SBAM can enable the preparation of efficient sorbent contactors in various form factors for other important chemical separations.
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Affiliation(s)
- Yuxiang Wang
- School of Chemical & Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - Guanhe Rim
- School of Chemical & Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - MinGyu Song
- School of Chemical & Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - Hannah E. Holmes
- School of Chemical & Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - Christopher W. Jones
- School of Chemical & Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - Ryan P. Lively
- School of Chemical & Biomolecular
Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
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5
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Martinez AA, Arneodo Larochette PP, Gennari FC, Gasnier A. The Structure-Function Relationship of Branched Polyethylenimine Impregnated over Mesoporous Carbon Aerogels: An In-Depth Thermogravimetric Insight. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:17133-17145. [PMID: 37975861 DOI: 10.1021/acs.langmuir.3c02043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
We present a comprehensive thermogravimetric analysis (TGA) of polyethylenimine (PEI)-impregnated resorcinol-formaldehyde (RF) aerogels. While numerous studies focus on PEI-impregnated SBA, RF materials have been less examined, despite their interest and specificities. As most articles on PEI-impregnated porous materials follow typical experimental methods defined for SBA, particularities of RF-PEI materials could remain unheeded. The design of nonisothermal TGA protocols, completed with nitrogen isotherms, based on the systematic filling of the matrix delivers a fundamental understanding of the relationship between the structure and function. This study demonstrates (i) the competition between the matrix and PEI for CO2-physisorption (φ) and CO2-chemisorption (χ), (ii) the hysteresis ([Formula: see text]) of CO2 capture at low temperature attributed to the kinetic (K) hindrance of CO2 diffusion (D) through PEI film/plugs limiting the chemisorption, and (iii) the thermodynamic (θ) equilibrium limiting the capture at high temperature. At variance with SBA-PEI materials, the first layers of PEI in RF are readily available for CO2 capture given that this matrix does not covalently bind PEI as SBA. A facile method allows the discrimination between physi- and chemisorption, exhibiting how the former decreases with PEI coverage. The CO2 capture hysteresis, while seldom introduced or discussed, underlines that the commonly accepted operating temperature of the "maximum capture" is based on an incomplete experiment. Through isotherm adsorption analysis, we correlate the evolution of this maximum to the morphological distribution of PEI. This contribution highlights the specificities of RF-PEI and the advantages of our TGA protocol in understanding the structure/function relationship of this kind of material by avoiding the typical direct applications of SBA-specific protocols. The method is straightforward, does not need large-scale facilities, and is applicable to other materials. Its easiness and rapidness are suited to high-volume studies, befitting for the comprehensive evaluation of interacting factors such as the matrix's nature, pore size, and PEI weight.
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Affiliation(s)
- Alejandra A Martinez
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Centro Atómico Bariloche (CNEA), S. C. de Bariloche, Río Negro R8402AGP, Argentina
- Instituto de Nanociencia y Nanotecnología, S. C. de Bariloche, Río Negro R8402AGP, Argentina
| | - Pierre P Arneodo Larochette
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Centro Atómico Bariloche (CNEA), S. C. de Bariloche, Río Negro R8402AGP, Argentina
- Instituto Balseiro, Universidad Nacional de Cuyo, S. C. de Bariloche, Río Negro R8402AGP, Argentina
| | - Fabiana C Gennari
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Centro Atómico Bariloche (CNEA), S. C. de Bariloche, Río Negro R8402AGP, Argentina
- Instituto Balseiro, Universidad Nacional de Cuyo, S. C. de Bariloche, Río Negro R8402AGP, Argentina
| | - Aurelien Gasnier
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Centro Atómico Bariloche (CNEA), S. C. de Bariloche, Río Negro R8402AGP, Argentina
- Instituto de Nanociencia y Nanotecnología, S. C. de Bariloche, Río Negro R8402AGP, Argentina
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6
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Moitra D, Mokhtari-Nori N, Siniard KM, Qiu L, Fan J, Dong Z, Hu W, Liu H, Jiang DE, Lin H, Hu J, Li M, Yang Z, Dai S. High-Performance CO 2 Capture from Air by Harnessing the Power of CaO- and Superbase-Ionic-Liquid-Engineered Sorbents. CHEMSUSCHEM 2023; 16:e202300808. [PMID: 37337311 DOI: 10.1002/cssc.202300808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 06/19/2023] [Indexed: 06/21/2023]
Abstract
Direct air capture (DAC) of CO2 by solid porous materials represents an attractive "negative emission" technology. However, state-of-the-art sorbents based on supported amines still suffer from unsolved high energy consumption and stability issues. Herein, taking clues from the CO2 interaction with superbase-derived ionic liquids (SILs), high-performance and tunable sorbents in DAC of CO2 was developed by harnessing the power of CaO- and SIL-engineered sorbents. Deploying mesoporous silica as the substrate, a thin CaO layer was first introduced to consume the surface-OH groups, and then active sites with different basicities (e. g., triazolate and imidazolate) were introduced as a uniformly distributed thin layer. The as-obtained sorbents displayed high CO2 uptake capacity via volumetric (at 0.4 mbar) and breakthrough test (400 ppm CO2 source), rapid interaction kinetics, facile CO2 releasing, and stable sorption/desorption cycles. Operando diffuse reflectance infrared Fourier transformation spectroscopy (DRIFTS) analysis under simulated air atmosphere and solid-state NMR under 13 CO2 atmosphere demonstrated the critical roles of the SIL species in low-concentration CO2 capture. The fundamental insights obtained in this work provide guidance on the development of high-performance sorbents in DAC of CO2 by leveraging the combined advantages of porous solid scaffolds and the unique features of CO2 -philic ionic liquids.
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Affiliation(s)
- Debabrata Moitra
- Department of Chemistry, Institute for Advanced Materials and Manufacturing, University of Tennessee, Knoxville, TN 37996, USA
| | - Narges Mokhtari-Nori
- Department of Chemistry, Institute for Advanced Materials and Manufacturing, University of Tennessee, Knoxville, TN 37996, USA
| | - Kevin M Siniard
- Department of Chemistry, Institute for Advanced Materials and Manufacturing, University of Tennessee, Knoxville, TN 37996, USA
| | - Liqi Qiu
- Department of Chemistry, Institute for Advanced Materials and Manufacturing, University of Tennessee, Knoxville, TN 37996, USA
| | - Juntian Fan
- Department of Chemistry, Institute for Advanced Materials and Manufacturing, University of Tennessee, Knoxville, TN 37996, USA
| | - Zhun Dong
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington, 99164, USA
| | - Wenda Hu
- Pacific Northwest National Laboratory, Richland, Washington, 99352, USA
| | - Hongjun Liu
- Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - De-En Jiang
- Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Hongfei Lin
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington, 99164, USA
| | - Jianzhi Hu
- Pacific Northwest National Laboratory, Richland, Washington, 99352, USA
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington, 99164, USA
| | - Meijia Li
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Zhenzhen Yang
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Sheng Dai
- Department of Chemistry, Institute for Advanced Materials and Manufacturing, University of Tennessee, Knoxville, TN 37996, USA
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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7
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Guta Y, Carneiro J, Li S, Innocenti G, Pang SH, Sakwa-Novak MA, Sievers C, Jones CW. Contributions of CO 2, O 2, and H 2O to the Oxidative Stability of Solid Amine Direct Air Capture Sorbents at Intermediate Temperature. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46790-46802. [PMID: 37774150 PMCID: PMC10571043 DOI: 10.1021/acsami.3c08140] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/17/2023] [Indexed: 10/01/2023]
Abstract
Aminopolymer-based sorbents are preferred materials for extraction of CO2 from ambient air [direct air capture (DAC) of CO2] owing to their high CO2 adsorption capacity and selectivity at ultra-dilute conditions. While those adsorptive properties are important, the stability of a sorbent is a key element in developing high-performing, cost-effective, and long-lasting sorbents that can be deployed at scale. Along with process upsets, environmental components such as CO2, O2, and H2O may contribute to long-term sorbent instability. As such, unraveling the complex effects of such atmospheric components on the sorbent lifetime as they appear in the environment is a critical step to understanding sorbent deactivation mechanisms and designing more effective sorbents and processes. Here, a poly(ethylenimine) (PEI)/Al2O3 sorbent is assessed over continuous and cyclic dry and humid conditions to determine the effect of the copresence of CO2 and O2 on stability at an intermediate temperature of 70 °C. Thermogravimetric and elemental analyses in combination with in situ horizontal attenuated total reflection infrared (HATR-IR) spectroscopy are performed to measure the extent of deactivation, elemental content, and molecular level changes in the sorbent due to deactivation. The thermal/thermogravimetric analysis results reveal that incorporating CO2 with O2 accelerates sorbent deactivation using these sorbents in dry and humid conditions compared to that using CO2-free air in similar conditions. The in situ HATR-IR spectroscopy results of PEI/Al2O3 sorbent deactivation under a CO2-air environment show the formation of primary amine species in higher quantity (compared to that in conditions without O2 or CO2), which arises due to the C-N bond cleavage at secondary amines due to oxidative degradation. We hypothesize that the formation of bound CO2 species such as carbamic acids catalyzes C-N cleavage reactions in the oxidative degradation pathway by shuttling protons, resulting in a low activation energy barrier for degradation, as probed by metadynamics simulations. In the cyclic experiment after 30 cycles, results show a gradual loss in stability (dry: 29%, humid: 52%) under CO2-containing air (0.04% CO2/21% O2 balance N2). However, the loss in capacity during cyclic studies is significantly less than that during continuous deactivation, as expected.
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Affiliation(s)
- Yoseph
A. Guta
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - Juliana Carneiro
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - Sichi Li
- Lawrence
Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | - Giada Innocenti
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - Simon H. Pang
- Lawrence
Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
| | | | - Carsten Sievers
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
| | - Christopher W. Jones
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332, United States
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8
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Wentz CM, Tsinas Z, Forster AL. A Synthetic Methodology for Preparing Impregnated and Grafted Amine-Based Silica Composites for Carbon Capture. J Vis Exp 2023:10.3791/65845. [PMID: 37843299 PMCID: PMC11005094 DOI: 10.3791/65845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023] Open
Abstract
Recently, there has been a significant effort towards reducing or mitigating CO2 emissions through the use of carbon capture materials for point source or direct air capture (DAC) methods. This work focuses on amine-functionalized CO2 adsorbents for DAC. These materials show promise for CO2 removal because they have low regeneration energy consumption and high adsorption capacity. The incorporation of amine species into a porous substrate combines the advantages of the amine species' affinity to CO2 with the large pore volumes and surface areas of the porous substrate. There are three methods commonly used to prepare amine-based CO2 sorbents, depending on the selection of the amine species, material support, and preparation method. These methods are impregnation, grafting, or chemical synthesis. Silica is a prevalent choice of substrate material because of its adjustable pore size, moisture tolerance, temperature stability, and ability to adsorb CO2 in low concentrations for DAC applications. Typical synthetic procedures and primary attributes of both impregnated and grafted amine-silica composites are described herein.
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Affiliation(s)
- Charlotte M Wentz
- Material Measurement Laboratory, National Institute of Standards and Technology (NIST); University of Maryland
| | - Zois Tsinas
- Material Measurement Laboratory, National Institute of Standards and Technology (NIST); Theiss Research
| | - Amanda L Forster
- Material Measurement Laboratory, National Institute of Standards and Technology (NIST);
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9
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Priyadarshini P, Rim G, Rosu C, Song M, Jones CW. Direct Air Capture of CO 2 Using Amine/Alumina Sorbents at Cold Temperature. ACS ENVIRONMENTAL AU 2023; 3:295-307. [PMID: 37743951 PMCID: PMC10515709 DOI: 10.1021/acsenvironau.3c00010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 06/13/2023] [Accepted: 06/13/2023] [Indexed: 09/26/2023]
Abstract
Rising CO2 emissions are responsible for increasing global temperatures causing climate change. Significant efforts are underway to develop amine-based sorbents to directly capture CO2 from air (called direct air capture (DAC)) to combat the effects of climate change. However, the sorbents' performances have usually been evaluated at ambient temperatures (25 °C) or higher, most often under dry conditions. A significant portion of the natural environment where DAC plants can be deployed experiences temperatures below 25 °C, and ambient air always contains some humidity. In this study, we assess the CO2 adsorption behavior of amine (poly(ethyleneimine) (PEI) and tetraethylenepentamine (TEPA)) impregnated into porous alumina at ambient (25 °C) and cold temperatures (-20 °C) under dry and humid conditions. CO2 adsorption capacities at 25 °C and 400 ppm CO2 are highest for 40 wt% TEPA-incorporated γ-Al2O3 samples (1.8 mmol CO2/g sorbent), while 40 wt % PEI-impregnated γ-Al2O3 samples exhibit moderate uptakes (0.9 mmol g-1). CO2 capacities for both PEI- and TEPA-incorporated γ-Al2O3 samples decrease with decreasing amine content and temperatures. The 40 and 20 wt % TEPA sorbents show the best performance at -20 °C under dry conditions (1.6 and 1.1 mmol g-1, respectively). Both the TEPA samples also exhibit stable and high working capacities (0.9 and 1.2 mmol g-1) across 10 cycles of adsorption-desorption (adsorption at -20 °C and desorption conducted at 60 °C). Introducing moisture (70% RH at -20 and 25 °C) improves the CO2 capacity of the amine-impregnated sorbents at both temperatures. The 40 wt% PEI, 40 wt % TEPA, and 20 wt% TEPA samples show good CO2 uptakes at both temperatures. The results presented here indicate that γ-Al2O3 impregnated with PEI and TEPA are potential materials for DAC at ambient and cold conditions, with further opportunities to optimize these materials for the scalable deployment of DAC plants at different environmental conditions.
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Affiliation(s)
- Pranjali Priyadarshini
- School of Chemical &
Biomolecular Engineering, Georgia Institute
of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
| | - Guanhe Rim
- School of Chemical &
Biomolecular Engineering, Georgia Institute
of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
| | - Cornelia Rosu
- School of Chemical &
Biomolecular Engineering, Georgia Institute
of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
| | - MinGyu Song
- School of Chemical &
Biomolecular Engineering, Georgia Institute
of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
| | - Christopher W. Jones
- School of Chemical &
Biomolecular Engineering, Georgia Institute
of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0100, United States
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10
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Ferrer M, Alkorta I, Elguero J, Oliva-Enrich JM. A theoretical study of the reaction of borata derivatives of benzene, anthracene and pentacene with CO 2. Phys Chem Chem Phys 2023; 25:22512-22522. [PMID: 37581605 DOI: 10.1039/d3cp02516k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
A theoretical study of the reaction between several borataacenes (1-methylboratabenzene, 9-methyl-9-borataanthracene and cis and trans diboratapentacene) and CO2 has been carried out at the M06-2X computational level. The influence of a counterion (potassium cation), the cation complexation by 18-crown-6-ether and solvent effects have been explored. The computational results predict anti/syn selectivity as found experimentally in the cis- and trans-diboratapentacene reaction with CO2 (Baker et al., J. Am. Chem. Soc., 2023, 145, 2028).
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Affiliation(s)
- Maxime Ferrer
- Instituto de Química Médica (CSIC), Juan de la Cierva, 3, E-28006 Madrid, Spain.
- PhD Program in Theoretical Chemistry and Computational Modeling, Doctoral School, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Ibon Alkorta
- Instituto de Química Médica (CSIC), Juan de la Cierva, 3, E-28006 Madrid, Spain.
| | - José Elguero
- Instituto de Química Médica (CSIC), Juan de la Cierva, 3, E-28006 Madrid, Spain.
| | - Josep M Oliva-Enrich
- Instituto de Química-Física Blas Cabrera (CSIC), Serrano, 119, E-28006 Madrid, Spain
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11
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Miao Y, Wang Y, Ge B, He Z, Zhu X, Li J, Liu S, Yu L. Mixed Diethanolamine and Polyethyleneimine with Enhanced CO 2 Capture Capacity from Air. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207253. [PMID: 37017566 DOI: 10.1002/advs.202207253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/27/2023] [Indexed: 06/04/2023]
Abstract
Supported polyethyleneimine (PEI) adsorbent is one of the most promising commercial direct air capture (DAC) adsorbents with a long research history since 2002. Although great efforts have been input, there are still limited improvements for this material in its CO2 capacity and adsorption kinetics under ultradilute conditions. Supported PEI also suffers significantly reduced adsorption capacities when working at sub-ambient temperatures. This study reports that mixing diethanolamine (DEA) into supported PEI can increase 46% and 176% of pseudoequilibrium CO2 capacities at DAC conditions compared to the supported PEI and DEA, respectively. The mixed DEA/PEI functionalized adsorbents maintain the adsorption capacity at sub-ambient temperatures of -5 to 25 °C. In comparison, a 55% reduction of CO2 capacity is observed for supported PEI when the operating temperature decreases from 25 to -5 °C. In addition, the supported mixed DEA/PEI with a ratio of 1:1 also shows fast desorption kinetics at temperatures as low as 70 °C, resulting in maintaining high thermal and chemical stability over 50 DAC cycles with a high average CO2 working capacity of 1.29 mmol g-1 . These findings suggest that the concept of "mixed amine", widely studied in the solvent system, is also practical to supported amine for DAC applications.
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Affiliation(s)
- Yihe Miao
- College of Smart Energy, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, 200240, China
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai, 201306, China
| | - Yaozu Wang
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai, 201306, China
| | - Bingyao Ge
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, 200240, China
| | - Zhijun He
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai, 201306, China
| | - Xuancan Zhu
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, 200240, China
| | - Jia Li
- The Hong Kong University of Science and Technology (Guangzhou), No.2 Huan Shi Road South, Guangzhou, Nansha, 511458, China
- Jiangmen Laboratory for Carbon and Climate Science and Technology, No. 29 Jinzhou Road, Jiangmen, 529100, China
| | - Shanke Liu
- College of Smart Energy, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, 200240, China
| | - Lijun Yu
- College of Smart Energy, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Shanghai, 200240, China
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12
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Rim G, Priyadarshini P, Song M, Wang Y, Bai A, Realff MJ, Lively RP, Jones CW. Support Pore Structure and Composition Strongly Influence the Direct Air Capture of CO 2 on Supported Amines. J Am Chem Soc 2023; 145:7190-7204. [PMID: 36972200 PMCID: PMC10080690 DOI: 10.1021/jacs.2c12707] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
A variety of amine-impregnated porous solid sorbents for direct air capture (DAC) of CO2 have been developed, yet the effect of amine-solid support interactions on the CO2 adsorption behavior is still poorly understood. When tetraethylenepentamine (TEPA) is impregnated on two different supports, commercial γ-Al2O3 and MIL-101(Cr), they show different trends in CO2 sorption when the temperature (-20 to 25 °C) and humidity (0-70% RH) of the simulated air stream are varied. In situ IR spectroscopy is used to probe the mechanism of CO2 sorption on the two supported amine materials, with weak chemisorption (formation of carbamic acid) being the dominant pathway over MIL-101(Cr)-supported TEPA and strong chemisorption (formation of carbamate) occurring over γ-Al2O3-supported TEPA. Formation of both carbamic acid and carbamate species is enhanced over the supported TEPA materials under humid conditions, with the most significant enhancement observed at -20 °C. However, while equilibrium H2O sorption is high at cold temperatures (e.g., -20 °C), the effect of humidity on a practical cyclic DAC process is expected to be minimal due to slow H2O uptake kinetics. This work suggests that the CO2 capture mechanisms of impregnated amines can be controlled by adjusting the degree of amine-solid support interaction and that H2O adsorption behavior is strongly affected by the properties of the support materials. Thus, proper selection of solid support materials for amine impregnation will be important for achieving optimized DAC performance under varied deployment conditions, such as cold (e.g., -20 °C) or ambient temperature (e.g., 25 °C) operations.
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13
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Kulkarni V, Panda D, Singh SK. Direct Air Capture of CO 2 over Amine-Modified Hierarchical Silica. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c02268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Affiliation(s)
- Vaishnavi Kulkarni
- Department of Chemistry, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore, 453552Madhya Pradesh, India
| | - Debashis Panda
- Department of Chemistry, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore, 453552Madhya Pradesh, India
| | - Sanjay Kumar Singh
- Department of Chemistry, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore, 453552Madhya Pradesh, India
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14
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Short G, Burentugs E, Proaño L, Moon HJ, Rim G, Nezam I, Korde A, Nair S, Jones CW. Single-Walled Zeolitic Nanotubes: Advantaged Supports for Poly(ethylenimine) in CO 2 Separation from Simulated Air and Flue Gas. JACS AU 2023; 3:62-69. [PMID: 36711098 PMCID: PMC9875257 DOI: 10.1021/jacsau.2c00553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/13/2022] [Accepted: 12/13/2022] [Indexed: 06/18/2023]
Abstract
Previous research has demonstrated that amine polymers rich in primary and secondary amines supported on mesoporous substrates are effective, selective sorbent materials for removal of CO2 from simulated flue gas and air. Common substrates used include mesoporous alumina and silica (such as SBA-15 and MCM-41). Conventional microporous materials are generally less effective, since the pores are too small to support low volatility amines. Here, we deploy our newly discovered zeolite nanotubes, a first-of-their-kind quasi-1D hierarchical zeolite, as a substrate for poly(ethylenimine) (PEI) for CO2 capture from dilute feeds. PEI is impregnated into the zeolite at specific organic loadings. Thermogravimetric analysis and porosity measurements are obtained to determine organic loading, pore filling, and surface area of the supported PEI prior to CO2 capture studies. MCM-41 with comparable pore size and surface area is also impregnated with PEI to provide a benchmark material that allows for insight into the role of the zeolite nanotube intrawall micropores on CO2 uptake rates and capacities. Over a range of PEI loadings, from 20 to 70 w/w%, the zeolite allows for increased CO2 capture capacity over the mesoporous silica by ∼25%. Additionally, uptake kinetics for nanotube-supported PEI are roughly 4 times faster than that of a comparable PEI impregnated in SBA-15. It is anticipated that this new zeolite will offer numerous opportunities for engineering additional advantaged reaction and separation processes.
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15
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Huhe FNU, King J, Chuang SSC. Amine-based sorbents for CO2 capture from air and flue gas—a short review and perspective. RESEARCH ON CHEMICAL INTERMEDIATES 2023. [DOI: 10.1007/s11164-022-04902-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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16
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Cavalcante LSR, Dettmann MA, Sours T, Yang D, Daemen LL, Gates BC, Kulkarni AR, Moulé AJ. Elucidating correlated defects in metal organic frameworks using theory-guided inelastic neutron scattering spectroscopy. MATERIALS HORIZONS 2023; 10:187-196. [PMID: 36330997 DOI: 10.1039/d2mh00914e] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Metal organic frameworks (MOFs) that incorporate metal oxide cluster nodes, exemplified by UiO-66, have been widely studied, especially in terms of their deviations from the ideal, defect-free crystalline structures. Although defects such as missing linkers, missing nodes, and the presence of adventitious synthesis-derived node ligands (such as acetates and formates) have been proposed, their exact structures remain unknown. Previously, it was demonstrated that defects are correlated and span multiple unit cells. The highly specialized techniques used in these studies are not easily applicable to other MOFs. Thus, there is a need to develop new experimental and computational approaches to understand the structure and properties of defects in a wider variety of MOFs. Here, we show how low-frequency phonon modes measured by inelastic neutron scattering (INS) spectroscopy can be combined with density functional theory (DFT) simulations to provide unprecedented insights into the defect structure of UiO-66. We are able to identify and assign peaks in the fingerprint region (<100 cm-1) which correspond to phonon modes only present in certain defective topologies. Specifically, this analysis suggests that our sample of UiO-66 consists of predominantly defect-free fcu regions with smaller domains corresponding to a defective bcu topology with 4 and 2 acetate ligands bound to the Zr6O8 nodes. Importantly, the INS/DFT approach provides detailed structural insights (e.g., relative positions and numbers of acetate ligands) that are not accessible with microscopy-based techniques. The quantitative agreement between DFT simulations and the experimental INS spectrum combined with the relative simplicity of sample preparation, suggests that this methodology may become part of the standard and preferred protocol for the characterization of MOFs, and, in particular, for elucidating the structure defects in these materials.
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Affiliation(s)
- Lucas S R Cavalcante
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Makena A Dettmann
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Tyler Sours
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Dong Yang
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Luke L Daemen
- Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - Bruce C Gates
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Ambarish R Kulkarni
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
| | - Adam J Moulé
- Department of Chemical Engineering, University of California, Davis, CA, 95616, USA.
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17
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Jiang S, Yang J, Zhai S, Zhang L, Tu R, Yu T, Zhai D, Sun L, Deng W, Ren G. Ambient Hydrogen Storage and Release Using CO 2 and an l-Arginine-Functionalized PdAu Catalyst via pH Control. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shuchao Jiang
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Junxia Yang
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Shengliang Zhai
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Ling Zhang
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Rui Tu
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Tie Yu
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Dong Zhai
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Lei Sun
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Weiqiao Deng
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Guoqing Ren
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong266237, P. R. China
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18
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Bhawnani RR, Sartape R, Prajapati A, Podupu P, Coliaie P, Nere AN, Singh MR. Percolation-assisted coating of metal-organic frameworks on porous substrates. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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19
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Confinement effects facilitate low-concentration carbon dioxide capture with zeolites. Proc Natl Acad Sci U S A 2022; 119:e2211544119. [PMID: 36122236 PMCID: PMC9522334 DOI: 10.1073/pnas.2211544119] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Direct air capture (DAC) of CO2 from the atmosphere is being pursued to aid in mitigating global CO2 amounts and possibly reaching net negative emissions by 2050. We report that a type of commercialized zeolite, mordenite (MOR)-type zeolite, is a promising adsorbent for DAC because of its high CO2 capacity, high selectivity, fast kinetics, low isosteric heat of adsorption, and high stability under simulated DAC conditions. We demonstrate that the primary site for CO2 adsorption in the MOR-type zeolite is located at the side-pocket and that its size (i.e., the confinement effect) is the key to the performance by comparing its adsorption behavior to those obtained from a number of other zeolites with varying pore space sizes. Engineered systems designed to remove CO2 from the atmosphere need better adsorbents. Here, we report on zeolite-based adsorbents for the capture of low-concentration CO2. Synthetic zeolites with the mordenite (MOR)-type framework topology physisorb CO2 from low concentrations with fast kinetics, low heat of adsorption, and high capacity. The MOR-type zeolites can have a CO2 capacity of up to 1.15 and 1.05 mmol/g for adsorption from 400 ppm CO2 at 30 °C, measured by volumetric and gravimetric methods, respectively. A structure–performance study demonstrates that Na+ cations in the O33 site located in the side-pocket of the MOR-type framework, that is accessed through a ring of eight tetrahedral atoms (either Si4+ or Al3+: eight-membered ring [8MR]), is the primary site for the CO2 uptake at low concentrations. The presence of N2 and O2 shows negligible impact on CO2 adsorption in MOR-type zeolites, and the capacity increases to ∼2.0 mmol/g at subambient temperatures. By using a series of zeolites with variable topologies, we found the size of the confining pore space to be important for the adsorption of trace CO2. The results obtained here show that the MOR-type zeolites have a number of desirable features for the capture of CO2 at low concentrations.
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20
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Min YJ, Ganesan A, Realff MJ, Jones CW. Direct Air Capture of CO 2 Using Poly(ethyleneimine)-Functionalized Expanded Poly(tetrafluoroethylene)/Silica Composite Structured Sorbents. ACS APPLIED MATERIALS & INTERFACES 2022; 14:40992-41002. [PMID: 36047596 DOI: 10.1021/acsami.2c11143] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The rapidly increasing atmospheric CO2 concentration has driven research into the development of cost- and energy-efficient materials and processes for the direct air capture of CO2 (DAC). Solid-supported amine materials can give high CO2 uptakes and acceptable sorption kinetics, but they are generally prepared in powder forms that are likely not practically deployable in large-scale operations due to significant pressure drops associated with packed-bed gas-solid contactors. To this end, the development of effective gas-solid contactors for CO2 capture technologies is important to allow processing high flow rates of gas with low-pressure drops and high mass transfer rates. In this study, we demonstrate new laminate-supported amine CO2 sorbents based on the impregnation of low-molecular-weight, branched poly(ethyleneimine) (PEI) into an expanded poly(tetrafluoroethylene) (ePTFE) sheet matrix containing embedded silica particles to form free-standing sheets amenable to incorporation into structured gas-solid contactors. The free-standing sheets are functionalized with PEI using a highly scalable wet impregnation method. This method allowed controllable PEI distribution and enough porosity retained inside the sheets to enable practical CO2 capacities ranging from 0.4 to 1.6 mmol CO2/gsorbent under dry conditions. Reversible CO2 capacities are achieved under both dry and humid temperature swing cycles, indicating promising material stability. The specific thermal energy requirement for the regeneration based on the measured CO2 and water capacities is 287 kJ/mol CO2, where the molar ratio of water to CO2 of 3.1 is achieved using hydrophobic materials. This is the lowest molar ratio among published DAC sorbents. A larger laminate module is tested under conditions closer to larger-scale operations (linear velocities 0.03, 0.05, and 0.1 m/sec) and demonstrates a stable capacity of 0.80 CO2/gsorbent over five cycles of CO2 adsorption and steam regeneration. The PEI-impregnated ePTFE/silica composite sorbent/contactors demonstrate promising DAC performance derived from the amine-filled silica particles contained in hydrophobic ePTFE domains to reduce water sorption and its concomitant regeneration energy penalty.
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Affiliation(s)
- Youn Ji Min
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr, Atlanta, Georgia 30332, United States
| | - Arvind Ganesan
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr, Atlanta, Georgia 30332, United States
| | - Matthew J Realff
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr, Atlanta, Georgia 30332, United States
| | - Christopher W Jones
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr, Atlanta, Georgia 30332, United States
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21
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Wiegner JF, Grimm A, Weimann L, Gazzani M. Optimal Design and Operation of Solid Sorbent Direct Air Capture Processes at Varying Ambient Conditions. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jan F. Wiegner
- Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, The Netherlands
| | - Alexa Grimm
- Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, The Netherlands
| | - Lukas Weimann
- Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, The Netherlands
| | - Matteo Gazzani
- Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, The Netherlands
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22
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Zhu X, Xie W, Wu J, Miao Y, Xiang C, Chen C, Ge B, Gan Z, Yang F, Zhang M, O'Hare D, Li J, Ge T, Wang R. Recent advances in direct air capture by adsorption. Chem Soc Rev 2022; 51:6574-6651. [PMID: 35815699 DOI: 10.1039/d1cs00970b] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Significant progress has been made in direct air capture (DAC) in recent years. Evidence suggests that the large-scale deployment of DAC by adsorption would be technically feasible for gigatons of CO2 capture annually. However, great efforts in adsorption-based DAC technologies are still required. This review provides an exhaustive description of materials development, adsorbent shaping, in situ characterization, adsorption mechanism simulation, process design, system integration, and techno-economic analysis of adsorption-based DAC over the past five years; and in terms of adsorbent development, affordable DAC adsorbents such as amine-containing porous materials with large CO2 adsorption capacities, fast kinetics, high selectivity, and long-term stability under ultra-low CO2 concentration and humid conditions. It is also critically important to develop efficient DAC adsorptive processes. Research and development in structured adsorbents that operate at low-temperature with excellent CO2 adsorption capacities and kinetics, novel gas-solid contactors with low heat and mass transfer resistances, and energy-efficient regeneration methods using heat, vacuum, and steam purge is needed to commercialize adsorption-based DAC. The synergy between DAC and carbon capture technologies for point sources can help in mitigating climate change effects in the long-term. Further investigations into DAC applications in the aviation, agriculture, energy, and chemical industries are required as well. This work benefits researchers concerned about global energy and environmental issues, and delivers perspective views for further deployment of negative-emission technologies.
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Affiliation(s)
- Xuancan Zhu
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Wenwen Xie
- Institute of Technical Thermodynamics, Karlsruhe Institute of Technology, 76131, Germany
| | - Junye Wu
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Yihe Miao
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai 201306, China
| | - Chengjie Xiang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Chunping Chen
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK
| | - Bingyao Ge
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Zhuozhen Gan
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Fan Yang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Man Zhang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Dermot O'Hare
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK
| | - Jia Li
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai 201306, China.,Jiangmen Laboratory for Carbon and Climate Science and Technology, No. 29 Jinzhou Road, Jiangmen, 529100, China.,The Hong Kong University of Science and Technology (Guangzhou), No. 2 Huan Shi Road South, Nansha, Guangzhou, 511458, China
| | - Tianshu Ge
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Ruzhu Wang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
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23
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Yamazaki Y, Miyaji M, Ishitani O. Utilization of Low-Concentration CO 2 with Molecular Catalysts Assisted by CO 2-Capturing Ability of Catalysts, Additives, or Reaction Media. J Am Chem Soc 2022; 144:6640-6660. [PMID: 35404601 DOI: 10.1021/jacs.2c02245] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Increasing concentration of atmospheric CO2 is a worldwide concern and continues to trigger various environmental problems. Photo- or electrocatalytic CO2 reduction (CO2-Red) using solar energy, i.e., artificial photosynthesis, is a prospective technique owing to its sustainability and the usefulness of the reaction products. Concentrations of CO2 in exhaust gases from industries are several % to 20%, and that in the atmosphere is about 400 ppm. Although condensation processes of CO2 require high energy consumption and cost, pure CO2 has been used in most of the reported studies for photo- and electrocatalytic CO2-Red because the reaction between CO2 and the catalyst could be one of the rate-limiting steps. To address these issues and provide a repository of potential techniques for other researchers, this perspective summarizes the catalytic systems reported for the reduction of low-concentration CO2, which utilize a combination of catalytic CO2-Red and CO2-capturing reactions (or CO2 adsorption). First, we describe CO2 insertions into M-X bonds of the catalysts, which increase the rate constants and/or equilibrium constants for CO2 binding on the catalysts, and modifications of the second coordination sphere to stabilize the CO2-bound catalysts. Furthermore, we discuss the reaction media used for catalytic CO2-Red that have the unique effect of increasing CO2 concentrations around the catalysts. These reaction media include typical CO2-capturing additives, ionic liquids, and metal-organic frameworks.
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Affiliation(s)
- Yasuomi Yamazaki
- Department of Materials and Life Science, Faculty of Science and Technology, Seikei University, 3-3-1 Kichijoji-Kitamachi, Musashino-shi, Tokyo 180-8633, Japan
| | - Masahiko Miyaji
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 NE-1, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Osamu Ishitani
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 NE-1, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
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24
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Fu D, Davis ME. Carbon dioxide capture with zeotype materials. Chem Soc Rev 2022; 51:9340-9370. [DOI: 10.1039/d2cs00508e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review describes the application of zeotype materials for the capture of CO2 in different scenarios, the critical parameters defining the adsorption performances, and the challenges of zeolitic adsorbents for CO2 capture.
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Affiliation(s)
- Donglong Fu
- Chemical Engineering, California Institute of Technology, Mail Code 210-41, Pasadena, California 91125, USA
| | - Mark E. Davis
- Chemical Engineering, California Institute of Technology, Mail Code 210-41, Pasadena, California 91125, USA
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