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Bahmanzadegan F, Pordsari MA, Ghaemi A. Improving the efficiency of 4A-zeolite synthesized from kaolin by amine functionalization for CO 2 capture. Sci Rep 2023; 13:12533. [PMID: 37532762 PMCID: PMC10397218 DOI: 10.1038/s41598-023-39859-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 08/01/2023] [Indexed: 08/04/2023] Open
Abstract
This study focuses on optimizing the CO2 adsorption capacity of 4A-zeolite synthesized from kaolin by employing structural modifications through impregnation with tetraethylenepentamine (TEPA) and diethanolamine (DEA). Various analytical techniques were utilized to evaluate the effectiveness of these modifications. Design expert software and response surface methodology (RSM) was employed for data analysis and operational variable optimization, leading to improved CO2 adsorption performance of the modified zeolites. The adsorption capacity of the modified zeolites was assessed under different temperatures, pressures, and amine concentrations using a test device. The optimal adsorption capacity of 4A-DEA adsorbent is found to be 579.468 mg/g, with the optimal operational variables including a temperature of 25.270 °C, pressure of 8.870 bar, and amine concentration of 11.112 wt%. The analysis shows that the adsorption process involves both physisorption and chemisorption, and the best kinetic model is the fractional-factor model.
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Affiliation(s)
- Fatemeh Bahmanzadegan
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, PO Box: 16846-13114, Tehran, Iran
| | - Mahyar Ashourzadeh Pordsari
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, PO Box: 16846-13114, Tehran, Iran
| | - Ahad Ghaemi
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, PO Box: 16846-13114, Tehran, Iran.
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2
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Abdollahi SA, Ranjbar SF. Modeling the CO 2 separation capability of poly(4-methyl-1-pentane) membrane modified with different nanoparticles by artificial neural networks. Sci Rep 2023; 13:8812. [PMID: 37258709 PMCID: PMC10232494 DOI: 10.1038/s41598-023-36071-x] [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: 03/22/2023] [Accepted: 05/29/2023] [Indexed: 06/02/2023] Open
Abstract
Membranes are a potential technology to reduce energy consumption as well as environmental challenges considering the separation processes. A new class of this technology, namely mixed matrix membrane (MMM) can be fabricated by dispersing solid substances in a polymeric medium. In this way, the poly(4-methyl-1-pentene)-based MMMs have attracted great attention to capturing carbon dioxide (CO2), which is an environmental pollutant with a greenhouse effect. The CO2 permeability in different MMMs constituted of poly(4-methyl-1-pentene) (PMP) and nanoparticles was comprehensively analyzed from the experimental point of view. In addition, a straightforward mathematical model is necessary to compute the CO2 permeability before constructing the related PMP-based separation process. Hence, the current study employs multilayer perceptron artificial neural networks (MLP-ANN) to relate the CO2 permeability in PMP/nanoparticle MMMs to the membrane composition (additive type and dose) and pressure. Accordingly, the effect of these independent variables on CO2 permeability in PMP-based membranes is explored using multiple linear regression analysis. It was figured out that the CO2 permeability has a direct relationship with all independent variables, while the nanoparticle dose is the strongest one. The MLP-ANN structural features have efficiently demonstrated an appealing potential to achieve the highest accurate prediction for CO2 permeability. A two-layer MLP-ANN with the 3-8-1 topology trained by the Bayesian regulation algorithm is identified as the best model for the considered problem. This model simulates 112 experimentally measured CO2 permeability in PMP/ZnO, PMP/Al2O3, PMP/TiO2, and PMP/TiO2-NT with an excellent absolute average relative deviation (AARD) of lower than 5.5%, mean absolute error (MAE) of 6.87 and correlation coefficient (R) of higher than 0.99470. It was found that the mixed matrix membrane constituted of PMP and TiO2-NT (functionalized nanotube with titanium dioxide) is the best medium for CO2 separation.
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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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Karimi M, Shirzad M, Silva JAC, Rodrigues AE. Carbon dioxide separation and capture by adsorption: a review. ENVIRONMENTAL CHEMISTRY LETTERS 2023; 21:1-44. [PMID: 37362013 PMCID: PMC10018639 DOI: 10.1007/s10311-023-01589-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 02/28/2023] [Indexed: 06/02/2023]
Abstract
Rising adverse impact of climate change caused by anthropogenic activities is calling for advanced methods to reduce carbon dioxide emissions. Here, we review adsorption technologies for carbon dioxide capture with focus on materials, techniques, and processes, additive manufacturing, direct air capture, machine learning, life cycle assessment, commercialization and scale-up.
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Affiliation(s)
- Mohsen Karimi
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Mohammad Shirzad
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - José A. C. Silva
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Alírio E. Rodrigues
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
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Karimi M, Ferreira A, Rodrigues AE, Nouar F, Serre C, Silva JAC. MIL-160(Al) as a Candidate for Biogas Upgrading and CO 2 Capture by Adsorption Processes. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Affiliation(s)
- Mohsen Karimi
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto 4200-465, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto 4200-465, Portugal
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, Bragança 5300-253, Portugal
| | - Alexandre Ferreira
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto 4200-465, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto 4200-465, Portugal
| | - Alírio E. Rodrigues
- Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto 4200-465, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto 4200-465, Portugal
| | - Farid Nouar
- Institut des Matériaux Poreux de Paris (IMAP), Ecole Normale Supérieure de Paris, ESPCI Paris, CNRS, PSL University, Paris 75005, France
| | - Christian Serre
- Institut des Matériaux Poreux de Paris (IMAP), Ecole Normale Supérieure de Paris, ESPCI Paris, CNRS, PSL University, Paris 75005, France
| | - José A. C. Silva
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, Bragança 5300-253, Portugal
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Pashaei H, Mashhadimoslem H, Ghaemi A. Modeling and optimization of CO 2 mass transfer flux into Pz-KOH-CO 2 system using RSM and ANN. Sci Rep 2023; 13:4011. [PMID: 36899032 PMCID: PMC10006194 DOI: 10.1038/s41598-023-30856-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 03/02/2023] [Indexed: 03/12/2023] Open
Abstract
In this research, artificial neural networks (ANN) and response surface methodology (RSM) were applied for modeling and optimization of carbon dioxide (CO2) absorption using KOH-Pz-CO2 system. In the RSM approach, the central composite design (CCD) describes the performance condition in accordance with the model using the least-squares technique. The experimental data was placed in second-order equations applying multivariate regressions and appraised applying analysis of variance (ANOVA). The p-value for all dependent variables was obtained to be less than 0.0001, indicating that all models were significant. Furthermore, the experimental values obtained for the mass transfer flux satisfactorily matched the model values. The R2 and Adj-R2 models are 0.9822 and 0.9795, respectively, which, it means that 98.22% of the variations for the NCO2 is explained by the independent variables. Since the RSM does not create any details about the quality of the solution acquired, the ANN method was applied as the global substitute model in optimization problems. The ANNs are versatile utensils that can be utilized to model and anticipate different non-linear and involved processes. This article addresses the validation and improvement of an ANN model and describes the most frequently applied experimental plans, about their restrictions and generic usages. Under different process conditions, the developed ANN weight matrix could successfully forecast the behavior of the CO2 absorption process. In addition, this study provides methods to specify the accuracy and importance of model fitting for both methodologies explained herein. The MSE values for the best integrated MLP and RBF models for the mass transfer flux were 0.00019 and 0.00048 in 100 epochs, respectively.
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Affiliation(s)
- Hassan Pashaei
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Narmak, Tehran, 16846, Iran
| | - Hossein Mashhadimoslem
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Narmak, Tehran, 16846, Iran
| | - Ahad Ghaemi
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Narmak, Tehran, 16846, Iran.
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Alsulaili AD, Refaie AA, Garcia HA. Adsorption capacity of activated carbon derived from date seeds: Characterization, optimization, kinetic and equilibrium studies. CHEMOSPHERE 2023; 313:137554. [PMID: 36528152 DOI: 10.1016/j.chemosphere.2022.137554] [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: 08/14/2022] [Revised: 11/19/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Agricultural wastes have the potential to be reused in applications such as water/wastewater treatment. Several studies have focused on activating organic waste, such as date seeds, to produce activated carbon. However, these studies have always assumed that all date seeds behave similarly to each other. In this study, we evaluated different types of date seeds and characterized their physical-chemical properties. The results showed variation in the seed-to-fruit weight percentage, ash content, and moisture content among different seed types. Different activation procedures were performed to find the optimum combination of physical and chemical interventions. KOH impregnation yielded better results than H3PO4 impregnation. The maximum adsorption capacity was measured for nine different types of date seeds, and the Khalas seed type yielded the highest methylene blue (MB) adsorption capacity of 165 mg of MB/g of activated date seeds (ADS), which is 71% of the capacity of commercial activated carbon (CAC). Kinetics model was fitted to the experimental data, and the pseudo-second-order model provided the best fit, indicating that the adsorption process occurred following a chemical process rather than being controlled by intraparticle diffusion only. The results showed no significant difference among the three isotherm models used to fit the experimental data. The results indicated that there is a significant difference among various types of seeds regarding adsorption performance. The application of ADS in treating synthetic produced water showed that its performance is one third that of CAC. ADS showed promising potential in comparison with CAC, mostly considering the costs involved with CAC.
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Affiliation(s)
- Abdalrahman D Alsulaili
- Civil Engineering Department, College of Engineering and Petroleum, Kuwait University, P.O. Box-5969, 13060, Safat, Kuwait.
| | - Abdelrahman A Refaie
- Civil Engineering Department, College of Engineering and Petroleum, Kuwait University, P.O. Box-5969, 13060, Safat, Kuwait
| | - Hector A Garcia
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX, Delft, the Netherlands
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8
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Introducing a Linear Empirical Correlation for Predicting the Mass Heat Capacity of Biomaterials. Molecules 2022; 27:molecules27196540. [PMID: 36235078 PMCID: PMC9571603 DOI: 10.3390/molecules27196540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/24/2022] [Accepted: 09/27/2022] [Indexed: 11/26/2022] Open
Abstract
This study correlated biomass heat capacity (Cp) with the chemistry (sulfur and ash content), crystallinity index, and temperature of various samples. A five-parameter linear correlation predicted 576 biomass Cp samples from four different origins with the absolute average relative deviation (AARD%) of ~1.1%. The proportional reduction in error (REE) approved that ash and sulfur contents only enlarge the correlation and have little effect on the accuracy. Furthermore, the REE showed that the temperature effect on biomass heat capacity was stronger than on the crystallinity index. Consequently, a new three-parameter correlation utilizing crystallinity index and temperature was developed. This model was more straightforward than the five-parameter correlation and provided better predictions (AARD = 0.98%). The proposed three-parameter correlation predicted the heat capacity of four different biomass classes with residual errors between -0.02 to 0.02 J/g∙K. The literature related biomass Cp to temperature using quadratic and linear correlations, and ignored the effect of the chemistry of the samples. These quadratic and linear correlations predicted the biomass Cp of the available database with an AARD of 39.19% and 1.29%, respectively. Our proposed model was the first work incorporating sample chemistry in biomass Cp estimation.
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9
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Aniruddha R, Sreedhar I, Reddy BM. Enhanced carbon capture and stability using novel hetero-scale composites based on MCM-41. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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10
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Peredo-Mancilla D, Matei Ghimbeu C, Réty B, Ho BN, Pino D, Vaulot C, Hort C, Bessieres D. Surface-Modified Activated Carbon with a Superior CH 4/CO 2 Adsorption Selectivity for the Biogas Upgrading Process. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01264] [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]
Affiliation(s)
- Deneb Peredo-Mancilla
- Department of Fisheries, Universidad Autónoma de Baja California Sur, La Paz 23080, Mexico
- CNRS/Total/Univ Pau & Pays Adour/E2S UPPA, Laboratoire des Fluides Complexes et Leurs Reservoirs-IPRA, UMRS5150, 64000 Pau, France
| | - Camelia Matei Ghimbeu
- Institut de Science des Matériaux de Mulhouse (IS2M) UMR 7361, Université de Haute-Alsace, CNRS, F-68100 Mulhouse, France
- Université de Strasbourg, F-67081 Strasbourg, France
| | - Bénédicte Réty
- Institut de Science des Matériaux de Mulhouse (IS2M) UMR 7361, Université de Haute-Alsace, CNRS, F-68100 Mulhouse, France
- Université de Strasbourg, F-67081 Strasbourg, France
| | - Bich-Ngoc Ho
- CNRS/Total/Univ Pau & Pays Adour/E2S UPPA, Laboratoire des Fluides Complexes et Leurs Reservoirs-IPRA, UMRS5150, 64000 Pau, France
- Université Pau & Pays Adour/E2S UPPA, Laboratoire de Thermique, Energetique et Procedes-IPRA, EA1932, 64000 Pau, France
| | - David Pino
- CNRS/Total/Univ Pau & Pays Adour/E2S UPPA, Laboratoire des Fluides Complexes et Leurs Reservoirs-IPRA, UMRS5150, 64000 Pau, France
| | - Cyril Vaulot
- Institut de Science des Matériaux de Mulhouse (IS2M) UMR 7361, Université de Haute-Alsace, CNRS, F-68100 Mulhouse, France
- Université de Strasbourg, F-67081 Strasbourg, France
| | - Cécile Hort
- Université Pau & Pays Adour/E2S UPPA, Laboratoire de Thermique, Energetique et Procedes-IPRA, EA1932, 64000 Pau, France
| | - David Bessieres
- CNRS/Total/Univ Pau & Pays Adour/E2S UPPA, Laboratoire des Fluides Complexes et Leurs Reservoirs-IPRA, UMRS5150, 64000 Pau, France
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Zeng H, Qu X, Xu D, Luo Y. Porous Adsorption Materials for Carbon Dioxide Capture in Industrial Flue Gas. Front Chem 2022; 10:939701. [PMID: 35844653 PMCID: PMC9277071 DOI: 10.3389/fchem.2022.939701] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 06/03/2022] [Indexed: 11/16/2022] Open
Abstract
Due to the intensification of the greenhouse effect and the emphasis on the utilization of CO2 resources, the enrichment and separation of CO2 have become a current research focus in the environment and energy. Compared with other technologies, pressure swing adsorption has the advantages of low cost and high efficiency and has been widely used. The design and preparation of high-efficiency adsorbents is the core of the pressure swing adsorption technology. Therefore, high-performance porous CO2 adsorption materials have attracted increasing attention. Porous adsorption materials with high specific surface area, high CO2 adsorption capacity, low regeneration energy, good cycle performance, and moisture resistance have been focused on. This article summarizes the optimization of CO2 adsorption by porous adsorption materials and then applies them to the field of CO2 adsorption. The internal laws between the pore structure, surface chemistry, and CO2 adsorption performance of porous adsorbent materials are discussed. Further development requirements and research focus on porous adsorbent materials for CO2 treatment in industrial waste gas are prospected. The structural design of porous carbon adsorption materials is still the current research focus. With the requirements of applications and environmental conditions, the integrity, mechanical strength and water resistance of high-performance materials need to be met.
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Affiliation(s)
- Hongxue Zeng
- Zhejiang Tongji Vocational College of Science and Technology, Hang Zhou, China
- *Correspondence: Hongxue Zeng, ; Dong Xu, ; Yang Luo,
| | - Xinghong Qu
- Zhejiang Tongji Vocational College of Science and Technology, Hang Zhou, China
| | - Dong Xu
- College of Geomatics and Municipal Engineering, Zhejiang University of Water Resources and Electric Power, Hang zhou, China
- *Correspondence: Hongxue Zeng, ; Dong Xu, ; Yang Luo,
| | - Yang Luo
- Empa, Swiss Federal Laboratories for Materials Science and Technology, ETH Domain, Dübendorf, Switzerland
- *Correspondence: Hongxue Zeng, ; Dong Xu, ; Yang Luo,
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12
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Biomass/Biochar carbon materials for CO2 capture and sequestration by cyclic adsorption processes: A review and prospects for future directions. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.101890] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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13
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BIÇAK M, SALIK F, AKELMA H, KAYA S. Ultrasound-guided Venous Catheterization Experiences in Pediatric Burn Cases in Our New Burn Center. BEZMIALEM SCIENCE 2022. [DOI: 10.14235/bas.galenos.2020.5684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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14
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García-Beleño J, Rodríguez de San Miguel E. Integration of Response Surface Methodology (RSM) and Principal Component Analysis (PCA) as an Optimization Tool for Polymer Inclusion Membrane Based-Optodes Designed for Hg(II), Cd(II), and Pb(II). MEMBRANES 2021; 11:membranes11040288. [PMID: 33919742 PMCID: PMC8070702 DOI: 10.3390/membranes11040288] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/03/2021] [Accepted: 04/10/2021] [Indexed: 11/16/2022]
Abstract
An optimization of the composition of polymer inclusion membrane (PIM)-based optodes, and their exposure times to metal ion solutions (Hg(II), Cd(II), and Pb(II)) was performed using two different chromophores, diphenylthiocarbazone (dithizone) and 1-(2-pyridylazo)-2-naphthol (PAN). Four factors were evaluated (chromophore (0.06-1 mg), cellulose triacetate (25-100 mg) and plasticizer amounts (25-100 mg), and exposure time (20-80 min)). Derringer's desirability functions values were employed as response variables to perform the optimization obtained from the results of three different processes of spectral data treatment: two full-spectrum methods (M1 and M3) and one band-based method (M2). The three different methods were compared using a heatmap of the coefficients and dendrograms of the Principal Component Analysis (PCA)reductions of their desirability functions. The final recommended M3 processing method, i.e., using the scores values of the first two principal components in PCA after subtraction of the normalized spectra of the membranes before and after complexation, gave more discernable differences between the PIMs in the Design of Experiments (DoE), as the nodes among samples appeared at longer distances and varyingly distributed in the dendrogram analysis. The optimal values were time of 35-65 min, 0.53 mg-1.0 mg of chromophores, plasticizers 34.4-71.9 of chromophores, and 62.5-100 mg of CTA, depending on the metal ion. In addition, the method yielded the best outcomes in terms of interpretability and an easily discernable color change so that it is recommended as a novel optimization method for this kind of PIM optode.
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15
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Diaz de Tuesta JL, Silva AMT, Faria JL, Gomes HT. Adsorption of Sudan-IV contained in oily wastewater on lipophilic activated carbons: kinetic and isotherm modelling. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:20770-20785. [PMID: 32248414 DOI: 10.1007/s11356-020-08473-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 03/16/2020] [Indexed: 06/11/2023]
Abstract
Up to nine kinetic and fourteen isotherm adsorption models are employed to model the adsorption of Sudan IV, a lipophilic model pollutant present in a biphasic mixture of cyclohexane-water system to simulate oily wastewater. Six different modified activated carbons were used as adsorbents. The highest amount adsorbed of Sudan IV was found in the material prepared by successive treatments of the parent commercial activated carbon Norit ROX 0.8 with nitric acid and urea, followed by thermal treatment at 800 °C under continuous flow of nitrogen. Kinetic and isotherm adsorption models can be employed to simulate the process, since the effect of the presence of water in the adsorption of Sudan IV from the cyclohexane phase was found to be negligible, owing to the high lipophilic character of both adsorbent and adsorbate. All kinetic and isotherm coefficients, coupling with statistical parameters (r2, adjusted r2 and sum of squared errors), are determined by non-linear regression fitting and compared to literature data. The model of Avrami is found to be the most appropriate model to represent the adsorption of the pollutant in any of the six modified carbons tested, the highest value of the kinetic constant being 0.055 min-1. The isotherm adsorption is well-modelled by using the general isotherm equation of Tóth and the multilayer Jovanović expression for the adsorption of Sudan-IV on that material, resulting in a high monolayer uptake capacity (qm = 193.6 mg g-1).
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Affiliation(s)
- Jose L Diaz de Tuesta
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Braganca, Portugal.
| | - Adrián M T Silva
- Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Joaquim L Faria
- Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Helder T Gomes
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Braganca, Portugal
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16
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Simulation and Optimization of the CWPO Process by Combination of Aspen Plus and 6-Factor Doehlert Matrix: Towards Autothermal Operation. Catalysts 2020. [DOI: 10.3390/catal10050548] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
This work aims to present an industrial perspective on Catalytic Wet Peroxide Oxidation (CWPO) technology. Herein, process simulation and experimental design have been coupled to study the optimal process conditions to ensure high-performance oxidation, minimum H2O2 consumption and maximum energetic efficiency in an industrial scale CWPO unit. The CWPO of phenol in the presence of carbon black catalysts was studied as a model process in the Aspen Plus® v11 simulator. The kinetic model implemented, based on 30 kinetic equations with 11 organic compounds and H2O2 involvement, was valid to describe the complex reaction network and to reproduce the experimental results. The computer experiments were designed on a six-factor Doehlert Matrix in order to describe the influence of the operating conditions (i.e., the different process temperatures, inlet chemical oxygen demands, doses of H2O2 and space time) on each selected output response (conversion, efficiency of H2O2 consumption and energetic efficiency) by a quadratic model. The optimization of the WPO performance by a multi-criteria function highlighted the inlet chemical oxygen demand as the most influential operating condition. It needed to have values between 9.5 and 24 g L−1 for autothermal operation to be sustained under mild operating conditions (reaction temperature: 93–130 °C and pressure: 1–4 atm) and with a stoichiometric dose of H2O2.
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17
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Pashaei H, Ghaemi A, Nasiri M, Karami B. Experimental Modeling and Optimization of CO 2 Absorption into Piperazine Solutions Using RSM-CCD Methodology. ACS OMEGA 2020; 5:8432-8448. [PMID: 32337405 PMCID: PMC7178350 DOI: 10.1021/acsomega.9b03363] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 03/27/2020] [Indexed: 05/29/2023]
Abstract
The present work evaluates and optimizes CO2 absorption in a bubble column for the Pz-H2O-CO2 system. We analyzed the impact of the different operating conditions on the hydrodynamic and mass-transfer performance. For the optimization of the process, variable conditions were used in the multivariate statistical method of response surface methodology. The central composite design is used to characterize the operating condition to fit the models by the least-squares method. The experimental data were fitted to quadratic equations using multiple regressions and analyzed using analysis of variance (ANOVA). An approved experiment was carried out to analyze the correctness of the optimization method, and a maximum CO2 removal efficiency of 97.9%, an absorption rate of 3.12 g/min, an N CO2 of 0.0164 mol/m2·s, and a CO2 loading of 0.258 mol/mol were obtained under the optimized conditions. Our results suggest that Pz concentration, solution flow rate, CO2 flow rate, and speed of stirrer were obtained to be 0.162 M, 0.502 l/h, 2.199 l/min, and 68.89 rpm, respectively, based on the optimal conditions. The p-value for all dependent variables was less than 0.05, and that points that all three models were remarkable. In addition, the experiment values acquired for the CO2 capture were found to agree satisfactorily with the model values (R 2 = 0.944-0.999).
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Affiliation(s)
- Hassan Pashaei
- Faculty
of Chemical, Petroleum and Gas Engineering, Semnan
University, Semnan 35131-19111, Iran
| | - Ahad Ghaemi
- School
of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Masoud Nasiri
- Faculty
of Chemical, Petroleum and Gas Engineering, Semnan
University, Semnan 35131-19111, Iran
| | - Bita Karami
- School
of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran 16846-13114, Iran
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18
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Karimi M, Diaz de Tuesta JL, d. P. Gonçalves CN, Gomes HT, Rodrigues AE, Silva JAC. Compost from Municipal Solid Wastes as a Source of Biochar for CO
2
Capture. Chem Eng Technol 2020. [DOI: 10.1002/ceat.201900108] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mohsen Karimi
- University of PortoLaboratory of Separation and Reaction EngineeringLaboratory of Catalysis and Materials (LSRE/LCM), Department of Chemical Engineering, Faculty of Engineering Rua Dr. Roberto Frias, S/N 4099-002 Porto Portugal
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança Campus de Santa Apolónia 5300-253 Bragança Portugal
| | - Jose L. Diaz de Tuesta
- University of PortoLaboratory of Separation and Reaction EngineeringLaboratory of Catalysis and Materials (LSRE/LCM), Department of Chemical Engineering, Faculty of Engineering Rua Dr. Roberto Frias, S/N 4099-002 Porto Portugal
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança Campus de Santa Apolónia 5300-253 Bragança Portugal
| | - Carmem N. d. P. Gonçalves
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança Campus de Santa Apolónia 5300-253 Bragança Portugal
| | - Helder T. Gomes
- University of PortoLaboratory of Separation and Reaction EngineeringLaboratory of Catalysis and Materials (LSRE/LCM), Department of Chemical Engineering, Faculty of Engineering Rua Dr. Roberto Frias, S/N 4099-002 Porto Portugal
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança Campus de Santa Apolónia 5300-253 Bragança Portugal
| | - Alírio E. Rodrigues
- University of PortoLaboratory of Separation and Reaction EngineeringLaboratory of Catalysis and Materials (LSRE/LCM), Department of Chemical Engineering, Faculty of Engineering Rua Dr. Roberto Frias, S/N 4099-002 Porto Portugal
| | - José A. C. Silva
- University of PortoLaboratory of Separation and Reaction EngineeringLaboratory of Catalysis and Materials (LSRE/LCM), Department of Chemical Engineering, Faculty of Engineering Rua Dr. Roberto Frias, S/N 4099-002 Porto Portugal
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança Campus de Santa Apolónia 5300-253 Bragança Portugal
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19
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Xiao Y, Zhou M, He G. Equilibrium and Diffusion of CO2 Adsorption on Micro-Mesoporous NaX/MCM-41 via Molecular Simulation. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b02670] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yonghou Xiao
- Panjin Institute of Industrial Technology, Dalian University of Technology, Panjin 124221, China
- State Key Laboratory of Fine Chemicals, School of Petroleum and Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Mengxue Zhou
- State Key Laboratory of Fine Chemicals, School of Petroleum and Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Gaohong He
- Panjin Institute of Industrial Technology, Dalian University of Technology, Panjin 124221, China
- State Key Laboratory of Fine Chemicals, School of Petroleum and Chemical Engineering, Dalian University of Technology, Panjin 124221, China
- Supercomputing Center, Dalian University of Technology, Dalian 116024, China
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20
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Shirzad M, Karimi M, Silva JA, Rodrigues AE. Moving Bed Reactors: Challenges and Progress of Experimental and Theoretical Studies in a Century of Research. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01136] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mohammad Shirzad
- School of Chemical Engineering, College of Engineering, University of Tehran, P.O. Box 11365-4563,
Enghelab, Tehran 11365-4563, Iran
| | - Mohsen Karimi
- 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
- Grupo de Processos e Produtos Sustentáveis, Centro de Investigação de Montanha (CIMO), 5300-253 Bragança, Portugal
| | - José A.C. Silva
- Grupo de Processos e Produtos Sustentáveis, Centro de Investigação de Montanha (CIMO), 5300-253 Bragança, Portugal
- Department of Chemical and Biological Technology, Polytechnic Institute of Bragança, Campus de Santa Apolonia, 5300-857 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
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21
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Henrique A, Karimi M, Silva JAC, Rodrigues AE. Analyses of Adsorption Behavior of CO2
, CH4
, and N2
on Different Types of BETA Zeolites. Chem Eng Technol 2019. [DOI: 10.1002/ceat.201800386] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Adriano Henrique
- University of Porto; Laboratory of Separation and Reaction Engineering (LSRE); Associate Laboratory LSRE/LCM; Department of Chemical Engineering; Faculty of Engineering; Rua Dr. Roberto Frias 4099-002 Porto Portugal
- Instituto Politécnico de Bragança; Laboratory of Separation and Reaction Engineering (LSRE); Associate Laboratory LSRE/LCM; Department of Chemical and Biological Technology; Campus de Santa Apolonia 5300-857 Braganca Portugal
- Grupo de Processos e Produtos Sustentáveis; Centro de Investigação de Montanha (CIMO); Campus de Santa Apolonia 5300-253 Braganca Portugal
| | - Mohsen Karimi
- University of Porto; Laboratory of Separation and Reaction Engineering (LSRE); Associate Laboratory LSRE/LCM; Department of Chemical Engineering; Faculty of Engineering; Rua Dr. Roberto Frias 4099-002 Porto Portugal
- Instituto Politécnico de Bragança; Laboratory of Separation and Reaction Engineering (LSRE); Associate Laboratory LSRE/LCM; Department of Chemical and Biological Technology; Campus de Santa Apolonia 5300-857 Braganca Portugal
- Grupo de Processos e Produtos Sustentáveis; Centro de Investigação de Montanha (CIMO); Campus de Santa Apolonia 5300-253 Braganca Portugal
| | - José A. C. Silva
- Instituto Politécnico de Bragança; Laboratory of Separation and Reaction Engineering (LSRE); Associate Laboratory LSRE/LCM; Department of Chemical and Biological Technology; Campus de Santa Apolonia 5300-857 Braganca Portugal
- Grupo de Processos e Produtos Sustentáveis; Centro de Investigação de Montanha (CIMO); Campus de Santa Apolonia 5300-253 Braganca Portugal
| | - Alírio E. Rodrigues
- University of Porto; Laboratory of Separation and Reaction Engineering (LSRE); Associate Laboratory LSRE/LCM; Department of Chemical Engineering; Faculty of Engineering; Rua Dr. Roberto Frias 4099-002 Porto Portugal
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