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Ramasamy N, Raj AJLP, Akula VV, Nagarasampatti Palani K. Leveraging experimental and computational tools for advancing carbon capture adsorbents research. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:55069-55098. [PMID: 39225926 DOI: 10.1007/s11356-024-34838-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Accepted: 08/24/2024] [Indexed: 09/04/2024]
Abstract
CO2 emissions have been steadily increasing and have been a major contributor for climate change compelling nations to take decisive action fast. The average global temperature could reach 1.5 °C by 2035 which could cause a significant impact on the environment, if the emissions are left unchecked. Several strategies have been explored of which carbon capture is considered the most suitable for faster deployment. Among different carbon capture solutions, adsorption is considered both practical and sustainable for scale-up. But the development of adsorbents that can exhibit satisfactory performance is typically done through the experimental approach. This hit and trial method is costly and time consuming and often success is not guaranteed. Machine learning (ML) and other computational tools offer an alternate to this approach and is accessible to everyone. Often, the research towards materials focuses on maximizing its performance under simulated conditions. The aim of this study is to present a holistic view on progress in material research for carbon capture and the various tools available in this regard. Thus, in this review, we first present a context on the workflow for carbon capture material development before providing various machine learning and computational tools available to support researchers at each stage of the process. The most popular application of ML models is for predicting material performance and recommends that ML approaches can be utilized wherever possible so that experimentations can be focused on the later stages of the research and development.
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Affiliation(s)
- Niranjan Ramasamy
- Department of Chemical Engineering, Rajalakshmi Engineering College, Chennai, India
| | | | - Vedha Varshini Akula
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Sriperumbudur, 602117, Kancheepuram, India
| | - Kavitha Nagarasampatti Palani
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Sriperumbudur, 602117, Kancheepuram, India.
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Hosseinzadeh Beiragh H, Samipourgiri M, Rashidi A, Ghasemi M, Pakseresht S. Crab shell-based hierarchical micro/meso-porous carbon as an efficient nano-adsorbent for CO 2/CH 4 separation: experiments and DFT modeling. Sci Rep 2024; 14:18566. [PMID: 39127788 PMCID: PMC11316774 DOI: 10.1038/s41598-024-69565-3] [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: 06/19/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024] Open
Abstract
In this study, we prepared a range of nanoporous carbon nano-adsorbents from crab shells (CSs) using KOH activation and evaluated their suitability for selective adsorption of CO2/CH4 gas mixtures. We employed various characterization techniques, including XRD, FT-IR, SEM, Raman, TGA, and BET analysis, to assess the properties of these nano-adsorbents. Our investigation includes the systematic study of various parameters, such as activation time, activation temperature, and the KOH to CS activating agent ratio. The nanoporous carbons were evaluated for their CO2 adsorption capabilities at 1-10 bar and 25 ℃ condition. The results demonstrated that the CS-2-2-900 sample, activated for 1 h at 900 ℃ with a 2:1 ratio of KOH to CS, exhibited the highest gas adsorption capacity, reaching 7.217 mmol/g at a pressure of 10 bar under room temperature conditions. Additionally, the synthesized CS-2-2-900 sample displayed excellent surface area (914.85 m2/g), a pore volume of 1.1 cm3/g, and an average pore diameter of 4.82 nm. Furthermore, we functionalized the CSs to enhance their selectivity for ammonia adsorption. Using the Myers and Pravnitz theory, we calculated that the FCS-2-2-900 sample exhibited the highest selectivity, reaching 18.99 at 25 ℃ under pressures of up to 10 bar. To gain a more comprehensive understanding of the interactions between the adsorbents and the adsorbed molecules, as well as to identify the active sites involved in the adsorption process, we employed density functional theory (DFT). Our DFT calculations revealed that pyrrolic nitrogen and carboxylic sites played a significant role in enhancing the separation of CO2 in binary mixtures. In summary, nanoporous carbons derived from crab shells outperformed those derived from other waste materials. These functionalized porous nanocarbons represent promising adsorbents for the selective adsorption of CO2 gas in CO2/CH4 mixtures due to their nitrogen content, high porosity, stability, and economic efficiency.
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Affiliation(s)
| | - Mohammad Samipourgiri
- Department of Chemical Engineering, North Tehran Branch, Islamic Azad University, Tehran, Iran.
| | - Alimorad Rashidi
- Nanotechnology Research Center, Research Institute of Petroleum Industry (RIPI), Tehran, 14857-33111, Iran
| | - Mohammadreza Ghasemi
- Department of Chemical Engineering, North Tehran Branch, Islamic Azad University, Tehran, Iran
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Pereira L, Castillo V, Calero M, González-Egido S, Martín-Lara MÁ, Solís RR. Promoting the circular economy: Valorization of a residue from industrial char to activated carbon with potential environmental applications as adsorbents. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 356:120753. [PMID: 38531130 DOI: 10.1016/j.jenvman.2024.120753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 03/06/2024] [Accepted: 03/20/2024] [Indexed: 03/28/2024]
Abstract
Pyrolysis of residues enriched with carbon, such as in agroforestry or industrial activities, has been postulated as an emerging technology to promote the production of biofuels, contributing to the circular economy and minimizing waste. However, during the pyrolysis processes a solid fraction residue is generated. This work aims to study the viability of these chars to develop porous carbonaceous materials that can be used for environmental applications. Diverse chars discharged by an industrial pyrolysis factory have been activated with KOH. Concretely, the char residues came from the pyrolysis of olive stone, pine, and acacia splinters, spent residues fuel, and cellulose artificial casings. The changes in the textural, structural, and composition characteristics after the activation process were studied by N2 adsorption-desorption isotherms, scanning electron microscopy, FTIR, elemental analysis, and XPS. A great porosity was developed, SBET within 776-1186 m2 g-1 and pore volume of 0.37-0.59 cm3 g-1 with 70-90% of micropores contribution. The activated chars were used for the adsorption of CO2, leading to CO2 maximum uptakes of 90-130 mg g-1. There was a good correlation between the CO2 uptake with microporosity and oxygenated surface groups of the activated chars. Moreover, their ability to adsorption of contaminants in aqueous solution was also evaluated. Concretely, there was studied the adsorption of aqueous heavy metals, i.e., Cd, Cu, Ni, Pb, and Zn, and organic pollutants of emerging concern such as caffeine, diclofenac, and acetaminophen.
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Affiliation(s)
- Ledicia Pereira
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain
| | - Ventura Castillo
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain
| | - Mónica Calero
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain
| | - Sergio González-Egido
- Environment and Bioproducts Group, Department of Life Sciences, University of Alcalá, Alcalá de Henares, 28871, Madrid, Spain
| | - M Ángeles Martín-Lara
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain.
| | - Rafael R Solís
- Department of Chemical Engineering, University of Granada, Avda. Fuentenueva s/n, 18071, Granada, Spain.
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Khosrowshahi MS, Mashhadimoslem H, Shayesteh H, Singh G, Khakpour E, Guan X, Rahimi M, Maleki F, Kumar P, Vinu A. Natural Products Derived Porous Carbons for CO 2 Capture. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2304289. [PMID: 37908147 PMCID: PMC10754147 DOI: 10.1002/advs.202304289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/01/2023] [Indexed: 11/02/2023]
Abstract
As it is now established that global warming and climate change are a reality, international investments are pouring in and rightfully so for climate change mitigation. Carbon capture and separation (CCS) is therefore gaining paramount importance as it is considered one of the powerful solutions for global warming. Sorption on porous materials is a promising alternative to traditional carbon dioxide (CO2 ) capture technologies. Owing to their sustainable availability, economic viability, and important recyclability, natural products-derived porous carbons have emerged as favorable and competitive materials for CO2 sorption. Furthermore, the fabrication of high-quality value-added functional porous carbon-based materials using renewable precursors and waste materials is an environmentally friendly approach. This review provides crucial insights and analyses to enhance the understanding of the application of porous carbons in CO2 capture. Various methods for the synthesis of porous carbon, their structural characterization, and parameters that influence their sorption properties are discussed. The review also delves into the utilization of molecular dynamics (MD), Monte Carlo (MC), density functional theory (DFT), and machine learning techniques for simulating adsorption and validating experimental results. Lastly, the review provides future outlook and research directions for progressing the use of natural products-derived porous carbons for CO2 capture.
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Affiliation(s)
- Mobin Safarzadeh Khosrowshahi
- Nanotechnology DepartmentSchool of Advanced TechnologiesIran University of Science and Technology (IUST)NarmakTehran16846Iran
| | - Hossein Mashhadimoslem
- Faculty of Chemical EngineeringIran University of Science and Technology (IUST)NarmakTehran16846Iran
| | - Hadi Shayesteh
- Faculty of Chemical EngineeringIran University of Science and Technology (IUST)NarmakTehran16846Iran
| | - Gurwinder Singh
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of EngineeringScience and Environment (CESE)The University of NewcastleUniversity DriveCallaghanNew South Wales2308Australia
| | - Elnaz Khakpour
- Nanotechnology DepartmentSchool of Advanced TechnologiesIran University of Science and Technology (IUST)NarmakTehran16846Iran
| | - Xinwei Guan
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of EngineeringScience and Environment (CESE)The University of NewcastleUniversity DriveCallaghanNew South Wales2308Australia
| | - Mohammad Rahimi
- Department of Biosystems EngineeringFaculty of AgricultureFerdowsi University of MashhadMashhad9177948974Iran
| | - Farid Maleki
- Department of Polymer Engineering and Color TechnologyAmirkabir University of TechnologyNo. 424, Hafez StTehran15875‐4413Iran
| | - Prashant Kumar
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of EngineeringScience and Environment (CESE)The University of NewcastleUniversity DriveCallaghanNew South Wales2308Australia
| | - Ajayan Vinu
- Global Innovative Centre for Advanced Nanomaterials (GICAN)College of EngineeringScience and Environment (CESE)The University of NewcastleUniversity DriveCallaghanNew South Wales2308Australia
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Wang F, Zeng Y, Hou Y, Cai Q, Liu Q, Shen B, Ma X. CO 2 Adsorption on N-Doped Porous Biocarbon Synthesized from Biomass Corncobs in Simulated Flue Gas. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023. [PMID: 37078889 DOI: 10.1021/acs.langmuir.3c00137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
This study was to develop a low-cost N-doped porous biocarbon adsorbent that can directly adsorb CO2 in high-temperature flue gas from fossil fuel combustion. The porous biocarbon was prepared by nitrogen doping and nitrogen-oxygen codoping through K2CO3 activation. Results showed that these samples exhibited a high specific surface area of 1209-2307 m2/g with a pore volume of 0.492-0.868 cm3/g and a nitrogen content of 0.41-3.3 wt %. The optimized sample CNNK-1 exhibited a high adsorption capacity of 1.30 and 0.27 mmol/g in the simulated flue gas (14.4 vol % CO2 + 85.6 vol % N2) and a high CO2/N2 selectivity of 80 and 20 at 25 and 100 °C and 1 bar, respectively. Studies revealed that too many microporous pores could hinder CO2 diffusion and adsorption due to the decrease of CO2 partial pressure and thermodynamic driving force in the simulated flue gas. The CO2 adsorption of the samples was mainly chemical adsorption at 100 °C, which depended on the surface nitrogen functional groups. Nitrogen functional groups (pyridinic-N and primary and secondary amines) reacted chemically with CO2 to produce graphitic-N, pyrrolic-like structures, and carboxyl functional groups (-N-COOH). Nitrogen and oxygen codoping increased the amount of nitrogen doping content in the sample, but acidic oxygen functional groups (carboxyl groups, lactones, and phenols) were introduced, which weakened the acid-base interactions between the sample and CO2 molecules. It was demonstrated that SO2 and water vapor had inhibition effects on CO2 adsorption, while NO nearly has no effect on the complex flue gas. Cyclic regenerative adsorption showed that CNNK-1 possessed excellent regeneration and stabilization ability in complex flue gases, indicating that corncob-derived biocarbon had excellent CO2 adsorption in high-temperature flue gas.
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Affiliation(s)
- Fumei Wang
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Yajun Zeng
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Yihang Hou
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Qi Cai
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Qinglong Liu
- College of Environmental Science and Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China
| | - Boxiong Shen
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
| | - Xiuqin Ma
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, P.R. China
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Song X, Zhang H, Zhang J, Sun R, Zhao J, Zhao H, Hu J, Liu Y. Removal of Ciprofloxacin from Water by a Potassium Carbonate-Activated Sycamore Floc-Based Carbonaceous Adsorbent: Adsorption Behavior and Mechanism. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:5323-5332. [PMID: 37027513 DOI: 10.1021/acs.langmuir.2c03330] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
In this study, a porous carbonaceous adsorbent was prepared from sycamore flocs by pyrolysis method and K2CO3 activation. The effects of preparative conditions of the material on its adsorptive property were explored. The optimal material (SFB2-900) was obtained with a K2CO3/biochar mass ratio of 2:1 at an activation temperature of 900 °C, possessing a huge surface specific area (1651.27 m2/g). The largest adsorption capacity for ciprofloxacin on SFB2-900 was up to 430.25 mg/g. The adsorption behavior was well described by the pseudo-second-order kinetic model and the Langmuir isothermal model. Meanwhile, this process was spontaneous and exothermic. The obtained material showed excellent adsorption performance in the conditions of diverse pH range, ionic strength, and water quality of the solution. The optimum adsorption conditions (pH = 7.01, dosage = 0.6 g/L, and C0 = 52.94 mg/L) determined based on the response surface methodology were in accordance with the practical validation consequences. The good regeneration effect of SFB2-900 manifested that this material had great practical application potential. Combining the experimental results and density functional theory calculation results, the adsorption mechanisms mainly included pore filling, π-π EDA interactions, electrostatic interactions, and H-bonds. The material could be regarded as a novel and high-efficiency adsorbent for antibiotics. Additionally, these findings also provide reference for the reuse of waste biomass in water treatment.
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Affiliation(s)
- Xue Song
- College of Environmental Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China
- Zhengzhou Key Laboratory of Organic Waste Resource Utilization, Zhengzhou, Henan 450001, China
| | - Hongkui Zhang
- College of Environmental Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China
| | - Jie Zhang
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China
| | - Runchao Sun
- Henan Academy of Sciences Institute of Energy Co. Ltd., Zhengzhou 450008, China
| | - Jihong Zhao
- Henan Radio and Television University, Zhengzhou, Henan 450001, China
| | - Hailiang Zhao
- College of Environmental Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China
| | - Junkai Hu
- College of Environmental Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China
| | - Yongde Liu
- College of Environmental Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China
- Zhengzhou Key Laboratory of Organic Waste Resource Utilization, Zhengzhou, Henan 450001, China
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Zhang B, Liu P, Huang Z, Liu J. Adsorption Equilibrium and Diffusion of CH 4, CO 2, and N 2 in Coal-Based Activated Carbon. ACS OMEGA 2023; 8:10303-10313. [PMID: 36969418 PMCID: PMC10034836 DOI: 10.1021/acsomega.2c07910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Coal-based activated carbon is an ideal adsorbent for concentrating CH4 from coalbed methane and recovering CO2 from industrial waste gas. In order to upgrade the environmentally protective preparation technology of coal-based activated carbons and clarify the adsorption equilibrium and diffusion rules of CH4, CO2, and N2 in these materials, we prepared granular activated carbon (GAC) via air oxidation, carbonization, and physical activation using anthracite as the raw material. Also, we measured the adsorption isotherms and adsorption kinetic data of GAC by the gravimetric method and characterized its surface chemical properties. According to the results, GAC had abundant micropore structures with a pore size mainly in the range of 5.0-10.0 Å, and its surface was covered with plentiful oxygen-containing functional groups. The specific pore structure and surface chemical properties could effectively improve the separation and purification effects of GAC on CH4 and CO2. In the temperature range of 278-318 K, the equilibrium separation of CH4/N2 by GAC with a coefficient between 3 and 4 could be achieved. Also, the CO2/CH4 separation coefficient decreased with the increase in temperature but remained around 3. The bivariate Langmuir equation could describe the adsorption behaviors of GAC on CH4/N2, CO2/N2, and CH4/CO2. With the increase in the concentrations of CH4 and CO2 in the gas phase, the difference between the adsorption capacity of CH4 or CO2 and that of N2 became greater. The change of the gas ratio did not affect the characteristics of preferential adsorption of CH4 and CO2. At different temperatures (278, 298, and 318 K), the diffusion coefficients of CH4, N2, and CO2 at various pressure points showed predominately a small variation without an obvious trend. These results demonstrated that the separation of CH4/N2, CO2/N2, and CH4/CO2 by the activated carbon could only rely on the equilibrium separation effect rather than the kinetic effect.
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Affiliation(s)
- Bo Zhang
- College
of Safety Engineering, Chongqing University
of Science and Technology, Chongqing 401331, PR China
| | - Ping Liu
- College
of Safety Engineering, Chongqing University
of Science and Technology, Chongqing 401331, PR China
| | - Zhuoran Huang
- College
of Safety Engineering, Chongqing University
of Science and Technology, Chongqing 401331, PR China
| | - Jingji Liu
- Hangzhou
Dianrun Chemical Co., LTD, Hangzhou 311200, PR China
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Masum SA, Sadasivam S, Chen M, Thomas HR. Low Subcritical CO 2 Adsorption-Desorption Behavior of Intact Bituminous Coal Cores Extracted from a Shallow Coal Seam. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:1548-1561. [PMID: 36669166 PMCID: PMC9893810 DOI: 10.1021/acs.langmuir.2c02971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/03/2023] [Indexed: 06/17/2023]
Abstract
This study focuses on improving fundamental understanding of low, subcritical CO2 adsorption-desorption behavior of bituminous coals with the aim to evaluate the utility of shallow-depth coal seams for safe and effective CO2 storage. Comprehensive data and a detailed description of coal-CO2 interactions, e.g., adsorption, desorption, and hysteresis behavior of intact bituminous coals at CO2 pressures <0.5 MPa, are limited. Manometric sorption experiments were performed on coal cores (50 mm dia. and 30- or 60-mm length) obtained from a 30 m deep coal seam located at the Upper Silesian Basin in Poland. Experimental results revealed that the adsorption capacities were correlated to void volume and equilibrium time under low-pressure injection (0.5 MPa). The positive deviation, observed in the hysteresis of adsorption-desorption isotherm patterns, and the increased sample mass at the end of the tests suggested CO2 pore diffusion and condensation. This behavior is vital for assessing low-pressure CO2 injection and storage capabilities of shallow coal seams where confining pressure is much lower than that of the deeper seams. Overall, CO2 adsorption depicts a type II adsorption isotherm and a type H3 hysteresis pattern of the IUPAC classification. Experimental results fitted better to the Brunauer-Emmett-Teller model than the Langmuir isotherm model. CO2 adsorption behavior of intact cores was also evaluated by characteristic curves. It was found that Curve I favored physical forces, i.e., the presence of van der Waals/London dispersion forces to describe the coal-CO2 interactions. However, analysis of Curve II indicated that the changing pressure-volume behavior of CO2 in the adsorbed phase, under low equilibrium pressures, cannot be ignored.
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Allangawi A, Alzaimoor EFH, Shanaah HH, Mohammed HA, Saqer H, El-Fattah AA, Kamel AH. Carbon Capture Materials in Post-Combustion: Adsorption and Absorption-Based Processes. C 2023; 9:17. [DOI: 10.3390/c9010017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Global warming and climate changes are among the biggest modern-day environmental problems, the main factor causing these problems is the greenhouse gas effect. The increased concentration of carbon dioxide in the atmosphere resulted in capturing increased amounts of reflected sunlight, causing serious acute and chronic environmental problems. The concentration of carbon dioxide in the atmosphere reached 421 ppm in 2022 as compared to 280 in the 1800s, this increase is attributed to the increased carbon dioxide emissions from the industrial revolution. The release of carbon dioxide into the atmosphere can be minimized by practicing carbon capture utilization and storage methods. Carbon capture utilization and storage (CCUS) has four major methods, namely, pre-combustion, post-combustion, oxyfuel combustion, and direct air capture. It has been reported that applying CCUS can capture up to 95% of the produced carbon dioxide in running power plants. However, a reported cost penalty and efficiency decrease hinder the wide applicability of CCUS. Advancements in the CCSU were made in increasing the efficiency and decreasing the cost of the sorbents. In this review, we highlight the recent developments in utilizing both physical and chemical sorbents to capture carbon. This includes amine-based sorbents, blended absorbents, ionic liquids, metal-organic framework (MOF) adsorbents, zeolites, mesoporous silica materials, alkali-metal adsorbents, carbonaceous materials, and metal oxide/metal oxide-based materials. In addition, a comparison between recently proposed kinetic and thermodynamic models was also introduced. It was concluded from the published studies that amine-based sorbents are considered assuperior carbon-capturing materials, which is attributed to their high stability, multifunctionality, rapid capture, and ability to achieve large sorption capacities. However, more work must be done to reduce their cost as it can be regarded as their main drawback.
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Affiliation(s)
- Abdulrahman Allangawi
- Department of Chemistry, College of Science, University of Bahrain, Zallaq P.O. Box 32038, Bahrain
| | - Eman F. H. Alzaimoor
- Department of Chemistry, College of Science, University of Bahrain, Zallaq P.O. Box 32038, Bahrain
| | - Haneen H. Shanaah
- Department of Chemistry, College of Science, University of Bahrain, Zallaq P.O. Box 32038, Bahrain
| | - Hawraa A. Mohammed
- Department of Chemistry, College of Science, University of Bahrain, Zallaq P.O. Box 32038, Bahrain
| | - Husain Saqer
- Department of Chemistry, College of Science, University of Bahrain, Zallaq P.O. Box 32038, Bahrain
| | - Ahmed Abd El-Fattah
- Department of Chemistry, College of Science, University of Bahrain, Zallaq P.O. Box 32038, Bahrain
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, El-Shatby, Alexandria 21526, Egypt
| | - Ayman H. Kamel
- Department of Chemistry, College of Science, University of Bahrain, Zallaq P.O. Box 32038, Bahrain
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo 11566, Egypt
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Hydrophobic carbon-based coating on metal tube with efficient and stable adsorption-desorption of CO2 from wet flue gas. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Khosrowshahi MS, Abdol MA, Mashhadimoslem H, Khakpour E, Emrooz HBM, Sadeghzadeh S, Ghaemi A. The role of surface chemistry on CO 2 adsorption in biomass-derived porous carbons by experimental results and molecular dynamics simulations. Sci Rep 2022; 12:8917. [PMID: 35618757 PMCID: PMC9135713 DOI: 10.1038/s41598-022-12596-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/06/2022] [Indexed: 11/17/2022] Open
Abstract
Biomass-derived porous carbons have been considered one of the most effective adsorbents for CO2 capture, due to their porous structure and high specific surface area. In this study, we successfully synthesized porous carbon from celery biomass and examined the effect of external adsorption parameters including time, temperature, and pressure on CO2 uptake in experimental and molecular dynamics (MD) simulations. Furthermore, the influence of carbon's surface chemistry (carboxyl and hydroxyl functionalities) and nitrogen type on CO2 capture were investigated utilizing MD simulations. The results showed that pyridinic nitrogen has a greater tendency to adsorb CO2 than graphitic. It was found that the simultaneous presence of these two types of nitrogen has a greater effect on the CO2 sorption than the individual presence of each in the structure. It was also revealed that the addition of carboxyl groups (O=C-OH) to the carbon matrix enhances CO2 capture by about 10%. Additionally, by increasing the simulation time and the size of the simulation box, the average absolute relative error for simulation results of optimal structure declined to 16%, which is an acceptable value and makes the simulation process reliable to predict adsorption capacity under various conditions.
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Affiliation(s)
- Mobin Safarzadeh Khosrowshahi
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran
| | - Mohammad Ali Abdol
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran
| | - Hossein Mashhadimoslem
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran
| | - Elnaz Khakpour
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran
| | - Hosein Banna Motejadded Emrooz
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran.
| | - Sadegh Sadeghzadeh
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran.
| | - Ahad Ghaemi
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology (IUST), Narmak, Tehran, 16846, Iran.
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Gabruś E, Wojtacha-Rychter K, Aleksandrzak T, Smoliński A, Król M. The feasibility of CO 2 emission reduction by adsorptive storage on Polish hard coals in the Upper Silesia Coal Basin: An experimental and modeling study of equilibrium, kinetics and thermodynamics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:149064. [PMID: 34328898 DOI: 10.1016/j.scitotenv.2021.149064] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/12/2021] [Accepted: 07/12/2021] [Indexed: 06/13/2023]
Abstract
Carbon dioxide storage in unmineable coal seams is advantageous in the highly industrialized areas, such as the Upper Silesia Coal Basin (USCB), Poland, where heavy industry constitutes the source of huge CO2 emissions and coal mines will be closed in the future, due to unprofitability. The paper presents the results of experimental and theoretical research of CO2 capture on medium rank C and B bituminous coals coming from three mines located in the USCB. The porous texture of the investigated adsorbents was analyzed using SEM images and the N2 and CO2 isotherms at -196 °C and 0 °C, respectively. Qualitative studies using DRIFT spectroscopy showed that band intensity attributed to the functional groups of coals changed after CO2 adsorption. The analyses encompassed the equilibrium, kinetics and thermodynamics of CO2 adsorption on coals at 25, 50 and 75 °C (up to 2000 kPa). The adsorption isotherms were obtained by the static gravimetric method and described by means of the Langmuir, Freundlich, Dubinin-Radushkevich and Dubinin-Astakhov models. The highest CO2 uptakes were obtained for medium rank C bituminous coals at 25 °C; the values were 1.600 mol/kg and 1.274 mol/kg. The adsorption kinetics was better characterized by the Avrami fractional-order model rather than by the pseudo-first and pseudo-second order models. The results reveal that the adsorption process is the fastest for medium rank C bituminous coals. The isosteric heats of adsorption were calculated in the following two ways: based on the multi-temperature Toth isotherm and the Clausius-Clapeyron equations. Depending on degree of coal metamorphism, the heat of adsorption ranged from 18 to 26 kJ/mol. The estimated maximum temperature increase due to heat accumulation in the insulated coalbed during CO2 adsorption was 6 °C and did not reach the self-ignition temperature in any of the tested adsorption systems.
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Affiliation(s)
- Elżbieta Gabruś
- West Pomeranian University of Technology, Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical and Process Engineering, al. Piastów 42, 70-065 Szczecin, Poland.
| | | | - Tomasz Aleksandrzak
- West Pomeranian University of Technology, Szczecin, Faculty of Chemical Technology and Engineering, Department of Chemical and Process Engineering, al. Piastów 42, 70-065 Szczecin, Poland
| | - Adam Smoliński
- Central Mining Institute, Pl. Gwarków 1, 40-166 Katowice, Poland
| | - Magdalena Król
- AGH University of Science and Technology, Department of Silicate Chemistry, Mickiewicza 30, 30-059 Kraków, Poland
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Liu H, Wang L, Zhang J, Liang X, Long C. Mechanistic insights into and modeling the effects of relative humidity on low-concentration VOCs adsorption on hyper-cross-linked polymeric resin by inverse gas chromatography. JOURNAL OF HAZARDOUS MATERIALS 2021; 418:126335. [PMID: 34329011 DOI: 10.1016/j.jhazmat.2021.126335] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/14/2021] [Accepted: 06/03/2021] [Indexed: 06/13/2023]
Abstract
Water vapor is very common in contaminated streams, which has a great influence on the adsorption of low-concentration volatile organic compounds (VOCs) due to the competition between water and VOCs. Understanding adsorption mechanisms and predicting adsorption of VOCs under different relative humidity (RH) are of great importance to design effective adsorption unit. In this study, we comprehensively investigated the effects of RH on the surface properties of hyper-cross-linked polymeric resin (HPR) and adsorption of 18 VOCs at low concentration on HPR under five levels of RH using inverse gas chromatography (IGC). Further, a promising RH-dependent poly-parameter linear free energy relationships (PP-LFERs) model was developed. It was found that water vapor caused the decrease of surface free energy (γst) of HPR due to the occupation of active sites by water molecules, resulting in the decrease of adsorption partition coefficients (K). Moreover, the γst could accurately quantify the effects of RH on the surface properties of HPR. Therefore, the RH-dependent PP-LFERs model was established by correlating RH and γst. The developed model overcame the limited predictive ability of existing models only under a specific RH level, and excellently predicted the lnK values of VOCs (R2 = 0.944, RMSEt = 0.36 and RMSEv = 0.47) under various RH.
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Affiliation(s)
- Huijuan Liu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Lisha Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Jian Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Xiaoshan Liang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Chao Long
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China; Quanzhou Institute for Environmental Protection Industry, Nanjing University, Beifeng Road, Quanzhou 362000, China.
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