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Keawkumay C, Krukkratoke P, Youngjan S, Osakoo N, Deekamwong K, Khemthong P, Phanthasri J, Prayoonpokarach S, Wittayakun J. Extraction of silica from sugarcane bagasse ash and its utilization in zeolite 4A synthesis for CO 2 adsorption. RSC Adv 2024; 14:19472-19482. [PMID: 38887648 PMCID: PMC11181773 DOI: 10.1039/d4ra02207f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024] Open
Abstract
Sugarcane bagasse ash (SCBA) is a solid waste containing a high amount of silica (SiO2) and is suitable to utilize as a silica source for synthesizing zeolite NaA. SCBA is typically calcined at high temperatures before silica extraction. The method is not environmentally friendly because it consumes energy and produces CO2. This work demonstrates an alternative extraction method of SiO2 from SCBA by treating it with hydrochloric (HCl) and sodium hydroxide (NaOH) solution. The obtained mixture was separated by paper filter No. 1 (P) and a combination of paper filter and syringe filter (PS). The solution was neutralized by HCl solution, producing silica (SiO2-P and SiO2-PS) with a purity of 98 wt%. Both SiO2 samples and SCBA were utilized to synthesize zeolite NaA for CO2 adsorption. The CO2 adsorption capacities of NaA-P and NaA-PS were 4.30 and 4.10 mmol gadsorbent -1, in the same range as commercial NaA. The capacity is influenced by the total basicity of zeolite. The CO2 adsorption behavior of all samples correlates well with the Toth model. The CO2 adsorption kinetics agrees well with the pseudo-second-order kinetic model. Overall, this work shows the successful extraction of silica via using a direct NaOH solution, yielding high-purity silica sufficient for synthesizing zeolite NaA, a promising adsorbent of CO2.
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Affiliation(s)
- Chalermpan Keawkumay
- School of Chemistry, Institute of Science, Suranaree University of Technology Thailand
- Institute of Research and Development, Suranaree University of Technology Thailand
| | - Panot Krukkratoke
- School of Chemistry, Institute of Science, Suranaree University of Technology Thailand
| | - Saran Youngjan
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) Thailand
| | - Nattawut Osakoo
- School of Chemistry, Institute of Science, Suranaree University of Technology Thailand
- Institute of Research and Development, Suranaree University of Technology Thailand
| | - Krittanun Deekamwong
- School of Chemistry, Institute of Science, Suranaree University of Technology Thailand
- Institute of Research and Development, Suranaree University of Technology Thailand
| | - Pongtanawat Khemthong
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) Thailand
| | - Jakkapop Phanthasri
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) Thailand
| | | | - Jatuporn Wittayakun
- School of Chemistry, Institute of Science, Suranaree University of Technology Thailand
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Grifasi N, Ziantoni B, Fino D, Piumetti M. Fundamental properties and sustainable applications of the natural zeolite clinoptilolite. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-33656-5. [PMID: 38780851 DOI: 10.1007/s11356-024-33656-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 05/07/2024] [Indexed: 05/25/2024]
Abstract
This review explores a set of sustainable applications of clinoptilolite, a natural zeolite abundant around the world in different localities. Thanks to its physico-chemical properties this material is extremely versatile for several applications, ranging from environmental catalysis and CO2 removal to industrial and agricultural wastewater purification, aquaculture, animal feeding, and food industry but also medical applications and energy storage systems. Due to the presence of cations in its framework, it is possible to tune the material's features making it suitable for adsorbing specific compounds. Thus, this review aims to provide insight into developing new technologies based on the use of this material that is sustainable, not harmful for humans and animals, naturally abundant, and above all cost-effective. Furthermore, it is intended to promote the use of natural materials in various areas with a view to sustainability and to reduce as far as possible the use of chemicals or other materials whose synthesis process can have a polluting effect on the environment.
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Affiliation(s)
- Nadia Grifasi
- Department of Applied Science and Technology, Corso Duca Degli Abruzzi, 24, 10129, Turin, Italy
| | - Bianca Ziantoni
- Department of Applied Science and Technology, Corso Duca Degli Abruzzi, 24, 10129, Turin, Italy
| | - Debora Fino
- Department of Applied Science and Technology, Corso Duca Degli Abruzzi, 24, 10129, Turin, Italy
| | - Marco Piumetti
- Department of Applied Science and Technology, Corso Duca Degli Abruzzi, 24, 10129, Turin, Italy.
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3
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Ringsby AJ, Ross CM, Maher K. Sorption of Soil Carbon Dioxide by Biochar and Engineered Porous Carbons. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:8313-8325. [PMID: 38689207 PMCID: PMC11097398 DOI: 10.1021/acs.est.4c02015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 05/02/2024]
Abstract
CO2 is 45 to 50 times more concentrated in soil than in air, resulting in global diffusive fluxes that outpace fossil fuel combustion by an order of magnitude. Despite the scale of soil CO2 emissions, soil-based climate change mitigation strategies are underdeveloped. Existing approaches, such as enhanced weathering and sustainable land management, show promise but continue to face deployment barriers. We introduce an alternative approach: the use of solid adsorbents to directly capture CO2 in soils. Biomass-derived adsorbents could exploit favorable soil CO2 adsorption thermodynamics while also sequestering solid carbon. Despite this potential, previous study of porous carbon CO2 adsorption is mostly limited to single-component measurements and conditions irrelevant to soil. Here, we probe sorption under simplified soil conditions (0.2 to 3% CO2 in balance air at ambient temperature and pressure) and provide physical and chemical characterization data to correlate material properties to sorption performance. We show that minimally engineered pyrogenic carbons exhibit CO2 sorption capacities comparable to or greater than those of advanced sorbent materials. Compared to textural features, sorbent carbon bond morphology substantially influences low-pressure CO2 adsorption. Our findings enhance understanding of gas adsorption on porous carbons and inform the development of effective soil-based climate change mitigation approaches.
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Affiliation(s)
- Alexandra J. Ringsby
- Department
of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Cynthia M. Ross
- Department
of Energy Science and Engineering, Stanford
University, Stanford, California 94305, United States
| | - Kate Maher
- Department
of Earth System Science, Stanford University, Stanford, California 94305, United States
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4
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Waki M, Shirai S, Hase Y. Saccharide formation by sustainable formose reaction using heterogeneous zeolite catalysts. Dalton Trans 2024; 53:2678-2686. [PMID: 38226527 DOI: 10.1039/d3dt02321d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
The formose reaction is a unique chemical reaction for the preparation of saccharides from formaldehyde, a single carbon compound. We applied zeolite materials as heterogeneous catalysts to the formose reaction. The simple addition of Linde type A zeolite containing calcium ions (Ca-LTA) to an aqueous solution of formaldehyde and glycolaldehyde produced saccharides at room temperature. A quantitative analysis performed by high-performance liquid chromatography revealed that triose, tetrose, pentose, and hexose saccharides were produced with few byproducts. Ca-LTA was recovered from the reaction mixture by filtration, and the retrieved zeolite was found to be reusable under the same conditions. The catalytic activity of Ca-LTA was higher than those of conventional calcium catalysts and other solid materials such as silica, alumina, and hydroxyapatite. Several other types of zeolites with different crystal structures and alkali/alkali-earth metal ions also showed catalytic activity for saccharide formation. Based on the analytical results obtained by infrared spectroscopy, temperature-programmed desorption profiles and NMR measurements, we propose a reaction mechanism in which C-C bond formation is promoted by the mild basicity of the oxygen atoms and acidity on the metal ions of the aluminosilicate on the zeolite surfaces with low SiO2/Al2O3 ratios.
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Affiliation(s)
- Minoru Waki
- Toyota Central R&D Labs., Inc., 41-1, Yokomichi, Nagakute, Aichi, Japan.
| | - Soichi Shirai
- Toyota Central R&D Labs., Inc., 41-1, Yokomichi, Nagakute, Aichi, Japan.
| | - Yoko Hase
- Toyota Central R&D Labs., Inc., 41-1, Yokomichi, Nagakute, Aichi, Japan.
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Hastuti N, Khaerudini DS, Aini EN, Lukmandaru G, Hisankusuma J, Hertada MQ, Christiani MF, Razi MA, Abrori SA. The potential application of cellulose acetate membrane for CO 2 adsorbent. ENVIRONMENTAL TECHNOLOGY 2024:1-9. [PMID: 38286141 DOI: 10.1080/09593330.2024.2309474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 01/12/2024] [Indexed: 01/31/2024]
Abstract
Numerous countries have deployed significant efforts to reduce the amount of CO2 released into the atmosphere. Carbon capture and storage is widely regarded as a mitigation technique that can significantly reduce CO2 emissions. A crucial stage in carbon capture and storage is CO2 adsorption using a membrane. Cellulose acetate has demonstrated excellent properties as a membrane material. In this study, we examined the potential of cellulose acetate membrane (CAM) for CO2 gas capture. Two forms of CAM were developed for this study, with and without the addition of glycerol. Scanning Electron Microscope (SEM), Fourier Transform Infrared (FTIR), and CO2 adsorption analyses were used to characterise CAM in numerous ways. The analysis revealed that the addition of glycerol improved the gas adsorption properties of the material. The incorporation of glycerol into the cellulose acetate matrix resulted in an observed augmentation in both the diameter and pore size. The adsorption properties of CO2 are significantly influenced by the microscopic structure of the cellulose acetate membrane. The CAM can be viewed as a possible material for CO2 adsorbers.
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Affiliation(s)
- Novitri Hastuti
- Research Center for Biomass and Bioproducts, National Research and Innovation Agency (BRIN), Bogor, Indonesia
| | - Deni Shidqi Khaerudini
- Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), Serpong, Indonesia
| | - Erlina Nurul Aini
- Research Center for Biomass and Bioproducts, National Research and Innovation Agency (BRIN), Bogor, Indonesia
| | - Ganis Lukmandaru
- Faculty of Forestry, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | | | | | | | - Muhamad Alif Razi
- Faculty of Engineering, Universitas Pembangunan Nasional Veteran Jakarta, Jakarta, Indonesia
- Post Doctoral Fellow in Functional Cellulose Research Group, National Research and Innovation Agency (BRIN), Bogor, Indonesia
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Najafi AM, Khorasheh F, Soltanali S, Ghassabzadeh H. Equilibrium and Kinetic Insights into the Comprehensive Investigation of CO 2, CH 4, and N 2 Adsorption on Cation-Exchanged X and Y Faujasite Zeolites. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:15535-15546. [PMID: 37879038 DOI: 10.1021/acs.langmuir.3c01810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
The adsorption equilibria and kinetic performance of CO2, CH4, and N2 on pelletized cation-exchanged faujasite zeolites (with alkali, alkaline earth, and transition metal ions) have been investigated by an innovative volumetric apparatus simultaneously. The standard instrumental analytical techniques, including X-ray diffraction, field emission scanning electron microscopy, energy dispersive X-ray spectroscopy (EDX), and atomic absorption spectroscopy (AAS), were utilized to characterize binder-free modified zeolites. EDX and AAS analyses revealed that the ion exchange was successfully achieved. The results indicate that the type of cation present in the zeolite framework and the Si/Al ratio can have a significant impact on the adsorption capacity and kinetic performance. The obtained isotherms were determined by three isotherm models, and the Langmuir-Freundlich (Sips) model was found to show the best agreement with the experimental isotherm data for all gases. The CO2 uptakes of KX, MgX, and CaX reached 4.13, 4.79, and 5.48 mmol/g, respectively. The effective binary and kinetic selectivities of CO2/CH4 and CO2/N2 were also calculated. Among all samples, KX showed the highest CO2/CH4 and CO2/N2 selectivities of 54.46 and 91.62, respectively. Pseudo-first-, pseudo-second-order, and Avrami kinetic models were fitted to the experimental kinetic data to analyze the adsorption kinetics. Finally, the macropore diffusion coefficient (Dp) and microporous diffusional time constant (Dc/rc2) were estimated by correlating the micropore-macropore kinetic model with the experimental fractional uptake curves. Among the ion-exchanged zeolite samples, the K+ form exhibits a suitable performance in terms of kinetic behavior and adsorption capacity.
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Affiliation(s)
- Amir Mohammad Najafi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11155-3465, Tehran 14588-89694, Iran
| | - Farhad Khorasheh
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11155-3465, Tehran 14588-89694, Iran
| | - Saeed Soltanali
- Catalysis Technologies Development Division, Research Institute of Petroleum Industry (RIPI), P.O. Box 14665-137, Tehran 1485613111, Iran
| | - Hamid Ghassabzadeh
- Catalysis Technologies Development Division, Research Institute of Petroleum Industry (RIPI), P.O. Box 14665-137, Tehran 1485613111, Iran
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Emelianova A, Balzer C, Reichenauer G, Gor GY. Adsorption-Induced Deformation of Zeolites 4A and 13X: Experimental and Molecular Simulation Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:11388-11397. [PMID: 37539945 DOI: 10.1021/acs.langmuir.3c01248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
Gas adsorption in zeolites leads to adsorption-induced deformation, which can significantly affect the adsorption and diffusive properties of the system. In this study, we conducted both experimental investigations and molecular simulations to understand the deformation of zeolites 13X and 4A during carbon dioxide adsorption at 273 K. To measure the sample's adsorption isotherm and strain simultaneously, we used a commercial sorption instrument with a custom-made sample holder equipped with a dilatometer. Our experimental data showed that while the zeolites 13X and 4A exhibited similar adsorption isotherms, their strain isotherms differed significantly. To gain more insight into the adsorption process and adsorption-induced deformation of these zeolites, we employed coupled Monte Carlo and molecular dynamics simulations with atomistically detailed models of the frameworks. Our modeling results were consistent with the experimental data and helped us identify the reasons behind the different deformation behaviors of the considered structures. Our study also revealed the sensitivity of the strain isotherm of zeolites to pore size and other structural and energetic features, suggesting that measuring adsorption-induced deformation could serve as a complementary method for material characterization and provide guidelines for related technical applications.
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Affiliation(s)
- Alina Emelianova
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, University Heights, Newark, New Jersey 07102, United States
| | - Christian Balzer
- Center for Applied Energy Research, Magdalene-Schoch-Str. 3, Wuerzburg 97074, Germany
| | - Gudrun Reichenauer
- Center for Applied Energy Research, Magdalene-Schoch-Str. 3, Wuerzburg 97074, Germany
| | - Gennady Y Gor
- Otto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, University Heights, Newark, New Jersey 07102, United States
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Koshlak H. Synthesis of Zeolites from Coal Fly Ash Using Alkaline Fusion and Its Applications in Removing Heavy Metals. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4837. [PMID: 37445151 DOI: 10.3390/ma16134837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023]
Abstract
The article presents studies of the influence of parameters of synthesis modes and alkali concentration on the synthesis of zeolite materials from coal fly ash (CFA). The purpose of the study was to synthesise zeolite materials from CFA using the method of alkaline fusion and to determine the susceptibility of selected heavy-metal ions to removal from solutions in an ion exchange process on a selected mesoporous zeolite. It was found that the crystalline phase of sodalite was dominated in all of the samples synthesized. The specific surface area (SBET) of the samples was evaluated using the standard Brunauer-Emmett-Teller (BET) method using N2 sorption. Crystalline zeolite materials have been used to study the efficiency of removing heavy metals from aqueous solutions of Ni2+, Cd2+ and Pb2+. The adsorption data were analyzed using the Langmuir and Freundlich isotherm model. When comparing the estimated coefficient of determination (r2), it was noticed that the sorption data are more accurately described by the Langmuir isotherm and the pseudo-second-order kinetic model. The results of metal adsorption experiments suggest that the synthesized zeolite material has great potential to be used as an inexpensive and alternative source in the production of adsorbents.
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Affiliation(s)
- Hanna Koshlak
- Department of Sanitary Engineering, Kielce University of Technology, Aleja Tysiąclecia Państwa Polskiego, 7, 25-314 Kielce, Poland
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9
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Lustenberger UB, Krestnikova A, Gröninger OG, Grass RN, Stark WJ. Knowledge Transfer in Support of the Development of Oxygen Concentrators in Emergency Settings During the COVID-19 Pandemic. JOURNAL OF CHEMICAL EDUCATION 2023; 100:1858-1865. [PMID: 37552711 PMCID: PMC10176972 DOI: 10.1021/acs.jchemed.2c00925] [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: 10/17/2022] [Revised: 04/13/2023] [Indexed: 08/10/2023]
Abstract
The COVID-19 pandemic simultaneously disrupted supply chains and generated an urgent demand in medical infrastructure. Among personal protective equipment and ventilators, there was also an urgent demand for chemical oxygen. As devices to purify oxygen could not be manufactured and shipped rapidly enough, a simple and accessible oxygen concentrator based on pressure swing adsorption was developed at ETH Zurich in spring 2020. Instead of building devices locally and shipping them, it was decided to educate others in need of oxygen. The implementation encompassed education on process chemistry, material choice, and assembly and optimization of the concentrator and was realized using synchronous teaching tools, such as video call, and asynchronous ones, such as a website and video streaming. The project gained traction and interaction with engineering teams from universities and non-Governmental Organizations (Red Cross and the UN Development Program) in developing countries and emerging market economies, including Ecuador, Mexico, Somalia, and Peru. At the end of the project, the teams were surveyed regarding their experience in the educative knowledge transfer. It was reported that the learning experience prepared these groups well to build the device and to teach others as well. Major challenges were accessing some parts of the device and optimizing its performance. While synchronous communication is expected to be a very effective teaching method, the survey results showed that explanations via a website and video streaming have contributed the most to the implementation of the oxygen concentrator and thereby provide autonomous and sustainable education tools.
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10
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Najafi AM, Soltanali S, Khorashe F, Ghassabzadeh H. Effect of binder on CO 2, CH 4, and N 2 adsorption behavior, structural properties, and diffusion coefficients on extruded zeolite 13X. CHEMOSPHERE 2023; 324:138275. [PMID: 36889474 DOI: 10.1016/j.chemosphere.2023.138275] [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: 11/09/2022] [Revised: 02/05/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
The effect of inorganic binder-based extrusion (Silica sol, Bentonite, Attapulgite, and SB1) in the selective adsorption of CO2, CH4, and N2 on zeolite 13X in the context of flue gas carbon capture and natural gas purification has been studied to reduce CO2 emissions. The effect of extrusion with binders was examined by adding 20 wt% of the mentioned binders to pristine zeolite and the results were analyzed by four approaches; (i) the effect on structural properties was analyzed by XRD patterns followed by Williamson-Hall (W-H) plot, FESEM images, and BET surface area. In addition, the mechanical strength of the shaped zeolites was measured by crush resistance testing; (ii) the effect on the adsorption capacity for CO2, CH4, and N2 were measured by volumetric apparatus up to 100 kPa; (iii) the impact on binary separation (CO2/CH4 and CO2/N2) were investigated; (iv) the influence on diffusion coefficients were estimated by micropore and macropore kinetic model. The results showed that the presence of a binder can cause reductions in BET surface area and pore volume, indicating partial pore blockage. It was found that the Sips model had the best adaptability to the experimental isotherms data. The trend of CO2 adsorption was 13X > pseudo-boehmite > bentonite > attapulgite > silica, in which the adsorption capacity reached 6.02, 5.60, 5.24, 5.00, and 4.71 mmol/g, respectively. Among all samples, silica was found the most suitable binder for CO2 capture in terms of selectivity, mechanical stability, and diffusion coefficients.
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Affiliation(s)
- Amir Mohammad Najafi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Saeed Soltanali
- Catalysis Technologies Development Division, Research Institute of Petroleum Industry (RIPI), Tehran, Iran.
| | - Farhad Khorashe
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran.
| | - Hamid Ghassabzadeh
- Catalysis Technologies Development Division, Research Institute of Petroleum Industry (RIPI), Tehran, Iran
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Cavallo M, Dosa M, Porcaro NG, Bonino F, Piumetti M, Crocellà V. Shaped natural and synthetic zeolites for CO2 capture in a wide temperature range. J CO2 UTIL 2023. [DOI: 10.1016/j.jcou.2022.102335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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Pérez-Botella E, Valencia S, Rey F. Zeolites in Adsorption Processes: State of the Art and Future Prospects. Chem Rev 2022; 122:17647-17695. [PMID: 36260918 PMCID: PMC9801387 DOI: 10.1021/acs.chemrev.2c00140] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Zeolites have been widely used as catalysts, ion exchangers, and adsorbents since their industrial breakthrough in the 1950s and continue to be state-of the-art adsorbents in many separation processes. Furthermore, their properties make them materials of choice for developing and emerging separation applications. The aim of this review is to put into context the relevance of zeolites and their use and prospects in adsorption technology. It has been divided into three different sections, i.e., zeolites, adsorption on nanoporous materials, and chemical separations by zeolites. In the first section, zeolites are explained in terms of their structure, composition, preparation, and properties, and a brief review of their applications is given. In the second section, the fundamentals of adsorption science are presented, with special attention to its industrial application and our case of interest, which is adsorption on zeolites. Finally, the state-of-the-art relevant separations related to chemical and energy production, in which zeolites have a practical or potential applicability, are presented. The replacement of some of the current separation methods by optimized adsorption processes using zeolites could mean an improvement in terms of sustainability and energy savings. Different separation mechanisms and the underlying adsorption properties that make zeolites interesting for these applications are discussed.
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Affiliation(s)
| | | | - Fernando Rey
- . Phone: +34 96 387 78 00.
Fax: +34 96 387 94
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Mulu E, M’Arimi MM, Ramkat RC, Mulu E. Carbon dioxide removal from biogas through sorption processes using natural and activated zeolite adsorbents. Chem Ind 2022. [DOI: 10.1080/00194506.2022.2144485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Elshaday Mulu
- Department of Mechanical, Production and Energy Engineering, School of Engineering, Moi University, Eldoret, Kenya
- Faculty of Mechanical and Production Engineering, Arba-minch University, Arba Minch, Ethiopia
- Africa Centre of Excellence in Phytochemicals, Textile and Renewable Energy (ACE II PTRE), Moi University, Eldoret, Kenya
| | - Milton M. M’Arimi
- Africa Centre of Excellence in Phytochemicals, Textile and Renewable Energy (ACE II PTRE), Moi University, Eldoret, Kenya
- Department of Chemical and Process Engineering, School of Engineering, Moi University, Eldoret, Kenya
| | - Rose C. Ramkat
- Africa Centre of Excellence in Phytochemicals, Textile and Renewable Energy (ACE II PTRE), Moi University, Eldoret, Kenya
- Department of Biological Science, School of Sciences and Aerospace Studies, Moi University, Eldoret, Kenya
| | - Elsabet Mulu
- Department of Civil Engineering, Haramaya University, Harar, Ethiopia
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Chi S, Ye Y, Zhao X, Liu J, Jin J, Du L, Mi J. Porous molecular sieve polymer composite with high CO2 adsorption efficiency and hydrophobicity. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Tengku Hassan TNA, Jusoh N, Yeong YF, Sow Mun SL, Suhaimi NH, Mubashir M. Enrichment of biogas through composite membrane of PEBA-1657/ hierarchical T-type zeolite. CHEMOSPHERE 2022; 306:135529. [PMID: 35780982 DOI: 10.1016/j.chemosphere.2022.135529] [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: 03/29/2022] [Revised: 05/26/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
Presently, composite membranes emerged as a promising approach to overcome the limitations of polymeric and inorganic membranes particularly in acid gas separation. In the present work, composites membranes were fabricated by combining hierarchical T-Type (h-zeolite T) zeolite and PEBA-1657 at different filler composition that ranging from 5 wt% - 30 wt% for the CO2/CH4 separation. The physicochemical properties of the resultant inorganic filler and membranes were investigated by using Brunauer-Emmett- Teller (BET), field emission scanning electron microscopy (FESEM), Fourier Transform infra-red (FTIR), x-ray diffraction (XRD), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). FESEM and EDX analysis revealed that the formation of voids and agglomeration of particles is pronounced as the fillers loading was increased up to 30 wt%. The single gas permeation test demonstrated that amalgamation of h-zeolite T particles into PEBA-1657 has resulted in the improvement of CO2 permeability up to 122% and CO2/CH4 selectivity up to 31%. Hybrid membrane encapsulated with 25 wt% of h-zeolite T displayed a maximum separation efficiency with the highest CO2 permeability of 164.83 Barrer and CO2/CH4 selectivity of 19.37. However, further increment of fillers composition up to 30 wt% resulted in a sharp reduction of CO2/CH4 selectivity to 15.80 due to the particles sedimentation and agglomeration. Overall, the favorable gas transport behavior of PEBA-1657/h-zeolite T composite membrane indicates its promising prospect for CO2/CH4 separation especially in biogas and natural gas purification application. Future research efforts are directed on the optimization of the fabrication parameters and performance investigation at different operating condition to further enhance the CO2 separation and extend its operability under various environment.
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Affiliation(s)
- Tengku Nur Adibah Tengku Hassan
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia; CO(2) Research Centre (CO(2)RES), Institute Contaminant Management for Oil and Gas, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia
| | - Norwahyu Jusoh
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia; CO(2) Research Centre (CO(2)RES), Institute Contaminant Management for Oil and Gas, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia.
| | - Yin Fong Yeong
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia; CO(2) Research Centre (CO(2)RES), Institute Contaminant Management for Oil and Gas, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia
| | - Serene Lock Sow Mun
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia; CO(2) Research Centre (CO(2)RES), Institute Contaminant Management for Oil and Gas, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia
| | - Nadia Hartini Suhaimi
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia; CO(2) Research Centre (CO(2)RES), Institute Contaminant Management for Oil and Gas, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 32610, Perak, Malaysia
| | - Muhammad Mubashir
- Department of Petroleum Engineering, School of Engineering, Asia Pacific University of Technology and Innovation, 57000, Kuala Lumpur, Malaysia
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16
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Discrepancy quantification between experimental and simulated data of CO2 adsorption isotherm using hierarchical Bayesian estimation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121371] [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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17
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Akeeb O, Wang L, Xie W, Davis R, Alkasrawi M, Toan S. Post-combustion CO 2 capture via a variety of temperature ranges and material adsorption process: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 313:115026. [PMID: 35405546 DOI: 10.1016/j.jenvman.2022.115026] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 03/05/2022] [Accepted: 04/03/2022] [Indexed: 06/14/2023]
Abstract
Carbon dioxide (CO2) emissions from fossil fuel combustion have been linked to increased average global temperatures, a global challenge for many decades. Mitigating CO2 concentration in the atmosphere is a priority for the protection of the environment. This is a comparison of the three main technological categories available for CO2 capture and storage. They include: oxy-fuel combustion, pre-combustion, and post-combustion. Each capture technology has inherent benefits and disadvantages in cost, implementation, and flexibility, but post-combustion CO2 capture has demonstrated the most promising results in typical power plant configurations. This paper presents a review of different post-combustion CO2 capture materials; solvents, membranes, and adsorbents, focusing on economical and environmentally safe low to high temperature solid adsorbents. Furthermore, the authors summarize the advantages and limitations of the materials investigated to provide insight into the challenges and opportunities currently facing the development of post-combustion CO2 capture technologies. The solid sorbents currently available for CO2 capture are also reviewed in detail, including physical and chemical properties, reactions, and current research efforts on improvement.
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Affiliation(s)
- Olajumobi Akeeb
- Department of Chemical Engineering, University of Minnesota-Duluth, Duluth, MN, 55812, USA
| | - Lei Wang
- Department of Chemical Engineering, University of Minnesota-Duluth, Duluth, MN, 55812, USA
| | - Weiguo Xie
- Department of Chemical Engineering, University of Minnesota-Duluth, Duluth, MN, 55812, USA
| | - Richard Davis
- Department of Chemical Engineering, University of Minnesota-Duluth, Duluth, MN, 55812, USA
| | - Malek Alkasrawi
- Department of Chemistry, University of Wisconsin Parkside, Kenosha, WI 53141, USA
| | - Sam Toan
- Department of Chemical Engineering, University of Minnesota-Duluth, Duluth, MN, 55812, USA.
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18
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The Diffusion Behavior of CO2 Adsorption from a CO2/N2 Gas Mixture on Zeolite 5A in a Fixed-Bed Column. ATMOSPHERE 2022. [DOI: 10.3390/atmos13040513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The objective of this research was to investigate the behavior and conditions for CO2 adsorption using a mixture of CO2/N2 over a fixed-bed column of zeolite 5A. The study was performed with a variation in gas composition of CO2/N2 as a 20/80, 50/50, and 80/20 volume %, the adsorption temperatures as 298, 333, and 373 K and the total feed flow rates as 1, 2, and 4 L/h under 100 kPa pressure. The Bohart–Adams, Yoon–Nelson, and Thomas models were used to predict the breakthrough behavior of CO2 adsorption in a fixed column. Furthermore, the adsorption mechanism has been investigated using the kinetics adsorption of pseudo-first-order, pseudo-second-order, Boyd model, and intraparticle model. Increasing the CO2 composition of a gas mixture resulted in a high CO2 adsorption capacity because of the high partial pressure of CO2. The capacity of CO2 adsorption was decreased with increasing temperature because of physical adsorption with an exothermic reaction. The CO2 adsorption capacity was also decreased with increasing feed flow rates with inadequate time for CO2 adsorbates diffusion into the pores of the adsorbent before exiting the packed bed. The CO2 adsorption by zeolite 5A confirmed that the physical adsorption with intraparticle diffusion was the rate-controlling step of the whole process.
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19
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Liang W, Huang J, Xiao P, Singh R, Guo J, Dehdari L, Kevin Li G. Amine-immobilized HY zeolite for CO2 capture from hot flue gas. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.02.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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20
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Mollo-Varillas VR, Bougie F, Iliuta MC. Selective adsorption of water vapor in the presence of carbon dioxide on hydrophilic zeolites at high temperatures. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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21
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Equilibrium adsorption and kinetic study of CO2 and N2 on synthesized carbon Black–Zeolite composite. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.119917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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22
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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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23
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Aly E, Zafanelli LF, Henrique A, Golini Pires M, Rodrigues AE, Gleichmann K, Silva JA. Fixed Bed Adsorption of CO 2, CH 4, and N 2 and Their Mixtures in Potassium-Exchanged Binder-Free Beads of Y Zeolite. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c02261] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ezzeldin Aly
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal
| | - Lucas F.A.S. Zafanelli
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, S/N, 4099-002 Porto, Portugal
| | - Adriano Henrique
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, S/N, 4099-002 Porto, Portugal
| | - Marcella Golini Pires
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal
| | - Alírio E. Rodrigues
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, S/N, 4099-002 Porto, Portugal
| | - Kristin Gleichmann
- Chemiewerk Bad Köstritz GmbH, Heinrichshall 2, 07586 Bad Köstritz, Germany
| | - José A.C. Silva
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus Santa Apolónia, 5300-253 Bragança, Portugal
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Li Y, Liu J, Kong J, Qi N, Chen Z. Role of ultramicropores in the remarkable gas storage in hypercrosslinked polystyrene networks studied by positron annihilation. Phys Chem Chem Phys 2021; 23:13603-13611. [PMID: 34114590 DOI: 10.1039/d1cp01867a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In this paper, hypercrosslinked polystyrene (HCLPS) networks were synthesized by radical bulk polymerization and Friedel-Crafts alkylation reactions using vinylbenzyl-co-divinylbenzene chloride (VBC-DVB) as the precursors. A series of HCLPS was prepared with varying content of DVB from 0 to 10% in the precursor. Both N2 adsorption and positron annihilation measurements reveal micropores in the HCLPS. Especially, the existence of ultramicropores with a size in the range of 0.63-0.7 nm is confirmed by positron lifetime measurements. With increasing DVB content from 0 to 10%, the number of ultramicropores shows a gradual increase. Both the H2 and CO2 adsorption capacity increase monotonously with the increase of the DVB content. With 10% DVB in the HCLPS, the H2 storage increases to 10.3 mmol g-1 (2.05 wt%) at 77 K and 1 bar and the CO2 capture reaches 2.81 mmol g-1 (12.4 wt%) at 273 K and 1 bar. The remarkable gas storage ability is ascribed to the existence of the ultramicropores, which result in a stronger affinity to the gas molecules. By using positrons as a new probe for the pores, our results provide convincing evidence of the role of ultramicropores in the gas adsorption performance in microporous organic polymers.
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Affiliation(s)
- Yilin Li
- Hubei Nuclear Solid Physics Key Laboratory, Department of Physics, Wuhan University, Wuhan 430072, China.
| | - Junjie Liu
- Hubei Nuclear Solid Physics Key Laboratory, Department of Physics, Wuhan University, Wuhan 430072, China.
| | - Jingjing Kong
- Hubei Nuclear Solid Physics Key Laboratory, Department of Physics, Wuhan University, Wuhan 430072, China.
| | - Ning Qi
- Hubei Nuclear Solid Physics Key Laboratory, Department of Physics, Wuhan University, Wuhan 430072, China.
| | - Zhiquan Chen
- Hubei Nuclear Solid Physics Key Laboratory, Department of Physics, Wuhan University, Wuhan 430072, China.
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25
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Roles of London Dispersive and Polar Components of Nano-Metal-Coated Activated Carbons for Improving Carbon Dioxide Uptake. COATINGS 2021. [DOI: 10.3390/coatings11060691] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Adsorption using carbonaceous materials has been considered as the prevailing technology for CO2 capture because it offers advantages such as high adsorption capacity, durability, and economic benefits. Activated carbon (AC) has been widely used as an adsorbent for CO2 capture. We investigated CO2 adsorption behaviors of magnesium oxide-coated AC (MgO-AC) as a function of MgO content. The microstructure and textural properties of MgO-AC were characterized by X-ray diffraction and nitrogen adsorption–desorption isotherms at 77 K, respectively. The CO2 adsorption behaviors of MgO-AC were evaluated at 298 K and 1 atm. Our experimental results revealed that the presence of MgO plays a key role in increasing the CO2 uptake through the interaction between an acidic adsorbate (e+) and an efficient basic adsorbent (e−).
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26
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A Process for Carbon Dioxide Capture Using Schiff Bases Containing a Trimethoprim Unit. Processes (Basel) 2021. [DOI: 10.3390/pr9040707] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Environmental problems associated with the growing levels of carbon dioxide in the atmosphere due to the burning of fossil fuels to satisfy the high demand for energy are a pressing concern. Therefore, the design of new materials for carbon dioxide storage has received increasing research attention. In this work, we report the synthesis of three new Schiff bases containing a trimethoprim unit and the investigation of their application as adsorbents for carbon dioxide capture. The reaction of trimethoprim and aromatic aldehydes in acid medium gave the corresponding Schiff bases in 83%–87% yields. The Schiff bases exhibited surface areas ranging from 4.15 to 20.33 m2/g, pore volumes of 0.0036–0.0086 cm3/g, and average pore diameters of 6.64–1.4 nm. An excellent carbon dioxide uptake (27–46 wt%) was achieved at high temperature and pressure (313 K and 40 bar, respectively) using the Schiff bases. The 3-hydroxyphenyl-substituted Schiff base, which exhibited a meta-arrangement, provided the highest carbon dioxide uptake (46 wt%) due to its higher surface area, pore volume, and pore diameter compared with the other two derivatives with a para-arrangement.
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27
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Strejcová K, Tišler Z, Svobodová E, Velvarská R. Characterization of Modified Natural Minerals and Rocks for Possible Adsorption and Catalytic Use. Molecules 2020; 25:molecules25214989. [PMID: 33126551 PMCID: PMC7663305 DOI: 10.3390/molecules25214989] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/21/2020] [Accepted: 10/26/2020] [Indexed: 11/29/2022] Open
Abstract
This study focused on natural materials such as clinoptilolite (CLI), metakaolin (MK), marlstone (MRL) and phonolite (PH). Clinoptilolite is one of the most known and common natural minerals (zeolites) with a unique porous structure, metakaolin is calcined kaolin clay, marlstone is a sedimentary rock and phonolite is an igneous rock composed of alkali feldspar and other minerals. These natural materials are mainly used in the building industry (additions for concrete mixtures, production of paving, gravels) or for water purification, but the modification of their chemical, textural and mechanical properties makes these materials potentially usable in other industries, especially in the chemical industry. The modification of these natural materials and rocks was carried out by leaching using 0.1 M HCl (D1 samples) and then using 3 M HCl (D2 samples). This treatment could be an effective tool to modify the structure and composition of these materials. Properties of modified materials were determined by N2 physisorption, Hg porosimetry, temperature programmed desorption of ammonia (NH3-TPD), X-ray fluorescence (XRF), X-ray powder diffraction (XRD), diffuse reflectance infrared Fourier transform (DRIFT) and CO2 adsorption using thermogravimetric analysis (TGA). The results of N2 physisorption measurements showed that that the largest increase of specific surface area was for clinoptilolite leached using 3M HCl. There was also a significant increase of the micropore volume in the D2 samples. The only exception was marlstone, where the volume of micropores was zero even in the leached sample. Clinoptilolite had the highest acidity and sorption capacity of CO2. TGA showed that the amount of CO2 adsorbed was not significantly related to the increase in specific surface area and the opening of micropores. Hg porosimetry showed that acid leaching using 0.1 M HCl and 3 M HCl resulted in a significant increase in the macropore volume in phonolite, and during leaching using 3M HCl there was an increase of the mesopore volume. From the better properties, cost-efficient and environmental points of view, the use of these materials could be an interesting solution for catalytic and sorption applications.
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28
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Crystal Chemical and Structural Characterization of Natural and Cation-Exchanged Mexican Erionite. MINERALS 2020. [DOI: 10.3390/min10090772] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this work, the chemical structural characterization of the erionite-type zeolite from Agua Prieta, Sonora, México, was performed on both pristine and Na, Ca, and Mg exchanged samples in order to identify the various modifications due to cation exchange. The samples investigated were those that showed the best behaviour of CO2 and CH4 adsorption at zero coverage levels and the higher values of surface area reported in our previous studies. According to the crystal-chemical formula (Na3.44K1.96Mg0.63Ca0.62)[Al8.21Si27.79O71.85]·29.63H2O, the pristine sample has been classified as erionite-Na. Morphological FE-SEM investigation performed on both pristine (ERIN) and Na-exchanged samples (ERINa3) showed a similar range of fiber diameters (27–37 nm). The chemical analyses of the ion-exchanged samples evidenced the upload of Ca and Mg following ion exchange with Na. Rietveld analysis results allowed the identification of the chemical structural modification caused by the ion exchange process, occurring mainly at the Ca1 site.
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29
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Progress in the Utilization of Coal Fly Ash by Conversion to Zeolites with Green Energy Applications. MATERIALS 2020; 13:ma13092014. [PMID: 32344900 PMCID: PMC7254215 DOI: 10.3390/ma13092014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/22/2020] [Accepted: 04/22/2020] [Indexed: 11/16/2022]
Abstract
Fly ash (FA) from lignite coal combusted in different Thermal Power Plants (TPPs) was used for the synthesis of zeolites (FAZs) of the Na-X type by alkaline activation via three laboratory procedures. FAZs were characterized with respect to their morphology, phase composition and surface properties, which predetermine their suitability for applications as catalysts and adsorbents. FAZs were subsequently modified with metal oxides (CuO) to improve their catalytic properties. The catalytic activity of non-modified and CuO-modified FAZs in the total oxidation of volatile organic compounds was investigated. FAZs were studied for their potential to retain CO2, as their favorable surface characteristics and the presence of iron oxides make them suitable for carbon capture technologies. Thin films of FAZs were deposited by in situ crystallization, and investigated for their morphology and optical sensitivity when exposed to pollutants in the gas phase, e.g., acetone. This study contributes to the development of novel technological solutions for the smart and valuable utilization of FA in the context of the circular economy and green energy production.
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Srivastava D, Rani P, Srivastava R. ZIF-8-Nanocrystalline Zirconosilicate Integrated Porous Material for the Activation and Utilization of CO 2 in Insertion Reactions. Chem Asian J 2020; 15:1132-1139. [PMID: 32067347 DOI: 10.1002/asia.202000001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 01/30/2020] [Indexed: 11/06/2022]
Abstract
The conversion of CO2 to useful chemicals, especially to atom economical products, is the best approach to utilize an excess of CO2 present in the atmosphere. In this study, a metal-organic framework (ZIF-8) is integrated with nanocrystalline zirconosilicate zeolite to develop an integrated porous catalyst for CO2 insertion reactions. The catalyst exhibits excellent activity for the CO2 insertion reaction of epoxide to produce cyclic carbonate in neat condition without the addition of any co-catalyst. The catalyst is stable and recyclable during the cyclic carbonate synthesis. Further, the catalyst also exhibits very good activity in another CO2 insertion reaction to produce quinazoline-2,4(1H, 3H)-dione.
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Affiliation(s)
- Diksha Srivastava
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, 140001, India
| | - Poonam Rani
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, 140001, India
| | - Rajendra Srivastava
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, 140001, India
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31
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Synthesis and characterization of mordenite zeolite from metakaolin and rice husk ash as a source of aluminium and silicon. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01095-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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32
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Orsikowsky-Sanchez A, Plantier F, Miqueu C. Coupled gravimetric, manometric and calorimetric study of CO2, N2 and CH4 adsorption on zeolites for the assessment of classical equilibrium models. ADSORPTION 2020. [DOI: 10.1007/s10450-020-00206-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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33
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Fujiki J, Yogo K. Effect of Counter Cations on the Hydrothermal Conversion of FAU-Type Zeolites into ABW or ANA and Their Potential Applicability for CO<sub>2</sub>/N<sub>2</sub> Separation. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2020. [DOI: 10.1252/jcej.19we149] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Junpei Fujiki
- Graduate School of Engineering, Tokyo University of Agriculture and Technology (TUAT)
- Chemical Research Group, Research Institute of Innovative Technology for the Earth (RITE)
| | - Katsunori Yogo
- Chemical Research Group, Research Institute of Innovative Technology for the Earth (RITE)
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34
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Xu C, Zhu Y, Yao C, Xie W, Xu G, Zhang S, Zhao Y, Xu Y. Facile synthesis of tetraphenylethene-based conjugated microporous polymers as adsorbents for CO2 and organic vapor uptake. NEW J CHEM 2020. [DOI: 10.1039/c9nj04562g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We present three novel conjugated microporous polymers (CMP@1–3), which were formed by an imidization reaction between tetra-(4-aminophenyl)ethylene and anhydrides.
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Affiliation(s)
- Chang Xu
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University)
- Ministry of Education
- Changchun
- China
| | - Yiang Zhu
- School of Environmental Studies
- China University of Geosciences
- Wuhan
- China
| | - Chan Yao
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University)
- Ministry of Education
- Changchun
- China
| | - Wei Xie
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University)
- Ministry of Education
- Changchun
- China
| | - Guangjuan Xu
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University)
- Ministry of Education
- Changchun
- China
| | - Shuran Zhang
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University)
- Ministry of Education
- Changchun
- China
| | - Yanning Zhao
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University)
- Ministry of Education
- Changchun
- China
| | - Yanhong Xu
- Key Laboratory of Preparation and Applications of Environmental Friendly Materials
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education (Jilin Normal University)
- Ministry of Education
- Changchun
- China
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35
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Ahmad M, Ahmad M, Usman ARA, Al-Faraj AS, Abduljabbar A, Ok YS, Al-Wabel MI. Date palm waste-derived biochar composites with silica and zeolite: synthesis, characterization and implication for carbon stability and recalcitrant potential. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2019; 41:1687-1704. [PMID: 28337620 DOI: 10.1007/s10653-017-9947-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Accepted: 03/17/2017] [Indexed: 06/06/2023]
Abstract
Engineered organo-mineral composites were synthesized from date palm waste biochar and silica or zeolite via mechanochemical treatments. Date palm tree rachis (leaves) waste biomass was pre-treated with silica or zeolite minerals via ball milling and sonication prior to pyrolysis at 600 °C. The resultant organo-mineral composites and pristine materials were characterized using X-ray diffraction, thermogravimetric-differential thermal (TG-DTA), Fourier transform infrared, scanning electron microscope analyses and surface area and porosity analyzer to investigate the variations in physiochemical and structural characteristics. Compared to the resultant composites derived from non-milled date palm biomass, ball milling increased surface area, while decreased crystallinity index and effective particle size of the biochar composites. Silica composited biochars were located near origin in the van Krevelen diagram indicating lowest H/C and O/C molar ratios, thus suggesting higher aromaticity and lower polarity compared to other biochars. TGA thermograms indicated highest thermal stability of silica composited biochars. Ash and moisture corrected TGA thermograms were used to calculate recalcitrance index (R50) of the materials, which speculated high degradability of biomass (R50 < 0.4), minimal degradability of biochars and zeolite composited biochars (0.5 < R50 < 0.7) and high recalcitrant nature of silica composited biochars (R50 > 0.7). Silica composited biochars exhibited highest carbon sequestration potential (64.17-95.59%) compared to other biochars. Highest recalcitrance and carbon sequestration potential of silica composited biochars may be attributed to changes in structural arrangements in the silica-biochar complex. Encapsulations of biochar particles with amorphous silica via Si-C bonding may have prevented thermal degradation, subsequently increasing recalcitrance potential of silica composited biochars.
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Affiliation(s)
- Munir Ahmad
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Kingdom of Saudi Arabia
| | - Mahtab Ahmad
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Kingdom of Saudi Arabia
- Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Adel R A Usman
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Kingdom of Saudi Arabia
- Department of Soils and Water, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt
| | - Abdullah S Al-Faraj
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Kingdom of Saudi Arabia
| | - Adel Abduljabbar
- Industrial Psychology, College of Education, King Saud University, Riyadh, Saudi Arabia
| | - Yong Sik Ok
- Korea Biochar Research Center and Department of Biological Environment, Kangwon National University, Chuncheon, 200-701, Republic of Korea
| | - Mohammad I Al-Wabel
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Kingdom of Saudi Arabia.
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Kaur B, Singh J, Gupta RK, Bhunia H. Porous carbons derived from polyethylene terephthalate (PET) waste for CO 2 capture studies. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 242:68-80. [PMID: 31028953 DOI: 10.1016/j.jenvman.2019.04.077] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 03/05/2019] [Accepted: 04/19/2019] [Indexed: 06/09/2023]
Abstract
Oxygen augmented carbon adsorbent has been developed using polyethylene terephthalate (PET) waste by first carbonizing at different temperatures (500-800 °C) and then chemically activating using different ratios of KOH: PET (mass ratio 1 to 4). The textural characterization divulges the effect of activation in terms of the development of the high surface area and micropore volume of 1690 m2 g-1 and 0.78 cm3 g-1 respectively, for the optimum sample (PET-3-700). Elemental analysis of PET-3-700 illustrates the presence of 34.33% oxygen and XPS results confirmed the occurrence of oxygen moieties which enhance the basicity of the adsorbent and promote CO2 capture. The CO2 adsorption capacity of prepared carbons was determined thermogravimetrically under dynamic conditions, at different concentrations of CO2 (6-100%) and temperatures. The maximum CO2 uptake capacity of 2.31 mmol g-1 was exhibited by PET-3-700 at an adsorption temperature of 30 °C under 100% pure CO2 flow. Four adsorption-desorption cycles corroborate almost complete regenerability of the prepared adsorbent. Adsorption kinetics at all adsorption conditions was described best by fractional order kinetic model. Freundlich isotherm fit indicates the surface of adsorbent being heterogeneous and low values of isosteric heat shows physisorption behavior of the process. Negative values of thermodynamic parameters indicate exothermic and feasible nature of adsorption process.
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Affiliation(s)
- Balpreet Kaur
- Department of Chemical Engineering, Thapar Institute of Engineering and Technology (Deemed to be University), Patiala, 147004, Punjab, India.
| | - Jasminder Singh
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology (Deemed to be University), Patiala, 147004, Punjab, India.
| | - Raj Kumar Gupta
- Department of Chemical Engineering, Thapar Institute of Engineering and Technology (Deemed to be University), Patiala, 147004, Punjab, India.
| | - Haripada Bhunia
- Department of Chemical Engineering, Thapar Institute of Engineering and Technology (Deemed to be University), Patiala, 147004, Punjab, India.
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Yuan Y, You H, Ricardez-Sandoval L. Recent advances on first-principles modeling for the design of materials in CO2 capture technologies. Chin J Chem Eng 2019. [DOI: 10.1016/j.cjche.2018.10.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Reiser S, Türk M. Influence of temperature and high-pressure on the adsorption behavior of scCO2 on MCM-41 and SBA-15. J Supercrit Fluids 2019. [DOI: 10.1016/j.supflu.2018.10.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Jahandar Lashaki M, Khiavi S, Sayari A. Stability of amine-functionalized CO 2 adsorbents: a multifaceted puzzle. Chem Soc Rev 2019; 48:3320-3405. [PMID: 31149678 DOI: 10.1039/c8cs00877a] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This review focuses on important stability issues facing amine-functionalized CO2 adsorbents, including amine-grafted and amine-impregnated silicas, zeolites, metal-organic frameworks and carbons. During the past couple of decades, major advances were achieved in understanding and improving the performance of such materials, particularly in terms of CO2 adsorptive properties such as adsorption capacity, selectivity and kinetics. Nonetheless, to pave the way toward commercialization of adsorption-based CO2 capture technologies, in addition to other attributes, adsorbent materials should be stable over many thousands of adsorption-desorption cycles. Adsorbent stability, which is of utmost importance as it determines adsorbent lifetime and operational costs of CO2 capture, is a multifaceted issue involving thermal, hydrothermal, and chemical stability. Here we discuss the impact of the adsorbent physical and chemical properties, the feed gas composition and characteristics, and the adsorption-desorption operational parameters on the long-term stability of amine-functionalized CO2 adsorbents. We also review important insights associated with the underlying deactivation pathways of the adsorbents upon exposure to high temperature, oxygen, dry CO2, sulfur-containing compounds, nitrogen oxides, oxygen and steam. Finally, specific recommendations are provided to address outstanding stability issues.
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Affiliation(s)
- Masoud Jahandar Lashaki
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada.
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Affiliation(s)
- Gangqiang Yu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Box 266, Beijing, 100029, China
| | - Chengna Dai
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Box 266, Beijing, 100029, China
| | - Zhigang Lei
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Box 266, Beijing, 100029, China
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Mfoumou CM, Mignard S, Belin T. The preferential adsorption sites of H2O on adsorption sites of CO2 at low temperature onto NaX and BaX zeolites. ADSORPT SCI TECHNOL 2018. [DOI: 10.1177/0263617418762494] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Study of preferential adsorption sites of H2O on NaX and BaX zeolites was carried out after adsorption/desorption of carbon dioxide (CO2). The profiles of CO2 desorption revealed two distinct zones. The first one, at low temperature (T < 533 K), corresponding to physisorbed CO2 where BaX zeolite has an energy of adsorption higher than that of NaX as well as strong interactions of adsorbent/adsorbate. The second one (533–623 K) corresponds to the chemisorbed CO2. The presence of water influences CO2 adsorption. The effect is more important for NaX than for BaX. For NaX, water occupies the adsorption sites of CO2 between 373 and 483 K. In contrast, BaX preserves a majority of adsorption sites of physisorbed CO2 in the presence of water, in particular the adsorption sites located in the interval of temperature 423–533 K.
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Affiliation(s)
- C Mve Mfoumou
- Institut de Chimie des Milieux et Matériaux de Poitiers IC2MP, France; Université des Sciences et Techniques de Masuku, Gabon
| | - S Mignard
- Institut de Chimie des Milieux et Matériaux de Poitiers IC2MP, France
| | - T Belin
- Institut de Chimie des Milieux et Matériaux de Poitiers IC2MP, France
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Chuang YY, Wang JJ, Chao PY, Tsai CT, Tsai YC, Chen WC, Tsai TC. Evaluation of on-stream industrial CO 2 adsorbent in air pretreatment for cryogenic production of oxygen. J Taiwan Inst Chem Eng 2018. [DOI: 10.1016/j.jtice.2017.12.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zhao QN, Song QW, Liu P, Zhang QX, Gao JH, Zhang K. Catalytic Conversion of CO2to Cyclic Carbonates through Multifunctional Zinc-Modified ZSM-5 Zeolite. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201700573] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Qing-Ning Zhao
- Department of Chemistry; Shanghai University; Shanghai 200444 China
| | - Qing-Wen Song
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 China
| | - Ping Liu
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 China
| | - Qian-Xia Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 China
| | - Jun-Hua Gao
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 China
| | - Kan Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan Shanxi 030001 China
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Rojek T, Gubler L, Nasef MM, Abouzari-Lotf E. Polyvinylamine-Containing Adsorbent by Radiation-Induced Grafting of N-Vinylformamide onto Ultrahigh Molecular Weight Polyethylene Films and Hydrolysis for CO2 Capture. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b00862] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- T. Rojek
- Electrochemistry
Laboratory, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland
| | - L. Gubler
- Electrochemistry
Laboratory, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland
| | - M. M. Nasef
- Malaysia-Japan
International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia
- Center
of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54000 Kuala Lumpur, Malaysia
| | - E. Abouzari-Lotf
- Center
of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54000 Kuala Lumpur, Malaysia
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Surface modifications of carbonaceous materials for carbon dioxide adsorption: A review. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2016.12.014] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wang S, Lu L, Lu X, Cao W, Zhu Y. Adsorption of binary CO 2/CH 4mixtures using carbon nanotubes: Effects of confinement and surface functionalization. SEP SCI TECHNOL 2016. [DOI: 10.1080/01496395.2016.1150296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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49
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Ion RM, Faraon VA, Senin RM, Fierascu RC. Spectroscopic study and catalytic activity for H2O2 decomposition of new zeolite-porphyrin systems. REACTION KINETICS MECHANISMS AND CATALYSIS 2016. [DOI: 10.1007/s11144-016-0982-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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50
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Prodinger S, Vemuri RS, Varga T, Peter McGrail B, Motkuri RK, Derewinski MA. Impact of chabazite SSZ-13 textural properties and chemical composition on CO2 adsorption applications. NEW J CHEM 2016. [DOI: 10.1039/c5nj03205a] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A narrow pore zeolite was synthesized with different Si/Al ratios and micro- to nanoparticle size where both played an important role in CO2 adsorption.
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Affiliation(s)
- Sebastian Prodinger
- Institute of Integrated Catalysis
- Physical Sciences Division
- Pacific Northwest National Laboratory (PNNL)
- Richland
- USA
| | - Rama S. Vemuri
- Hydrocarbon Processing Group
- Energy and Environment Directorate
- Pacific Northwest National Laboratory (PNNL)
- Richland
- USA
| | - Tamas Varga
- Environmental Molecular Sciences Laboratory
- Pacific Northwest National Laboratory (PNNL)
- Richland
- USA
| | - B. Peter McGrail
- Hydrocarbon Processing Group
- Energy and Environment Directorate
- Pacific Northwest National Laboratory (PNNL)
- Richland
- USA
| | - Radha Kishan Motkuri
- Hydrocarbon Processing Group
- Energy and Environment Directorate
- Pacific Northwest National Laboratory (PNNL)
- Richland
- USA
| | - Miroslaw A. Derewinski
- Institute of Integrated Catalysis
- Physical Sciences Division
- Pacific Northwest National Laboratory (PNNL)
- Richland
- USA
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