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学者姓名：戴洪兴
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摘要 ：
Among the developed electrocatalysts, NiCr-layered double hydroxides (NiCr-LDH) are one of the most effective electrocatalytic materials for water oxidation. However, applications of such a kind of materials are practically limited due to their poor electric conductivity. In this work, the single-walled carbon nanotube (SWCNT) was doped to NiCr-LDH, and the LDH-based nanocomposites were synthesized using the one-step ultrasonic-assisted method. Physicochemical properties of the NiCr-LDH/SWCNT composites were characterized by means of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), energy dispersive X-ray (EDX) analysis, transmission electron microscopy (TEM), field emission-scanning electron microscopy (FE-SEM), and linear sweep voltammetry (LSV). The NiCr-LDH/SWCNT composites were used as effective nanomaterials for oxygen evolution reaction (OER) at a near neutral medium. The LSV results confirm that the overpotential of the NiCr-LDH/SWCNT-0.006 sample decreased to about 120 mV at pH = 9.5, as compared with that of the NiCr-LDH or NiCr-LDH-SWCNT-0.006 (prepared by the two-step method) sample. The high oxygen evolution activity of NiCr-LDH/SWCNT-0.006 was associated with the co-presence of the homogeneously dispersed NiCr-LDH, good electrochemical activity, and high electrical conductivity. In addition, the as-prepared optimized NiCr-LDH/SWCNT electrocatalyst was highly stable for the OER reaction. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
关键词 ：
Ni-based-layered double hydroxide Ni-based-layered double hydroxide Ultrasonic method Ultrasonic method Doped carbon nanotube Doped carbon nanotube Water oxidation Water oxidation Electrocatalyst Electrocatalyst
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| GB/T 7714 | Foruzin, Leila Jafari , Nejati, Kamellia , Dai, Hongxing et al. Ultrasonic-assisted synthesis of Ni based-layered double hydroxide doped carbon nanotube and its highly efficient in water oxidation reaction [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (9) : 3429-3439 . |
| MLA | Foruzin, Leila Jafari et al. "Ultrasonic-assisted synthesis of Ni based-layered double hydroxide doped carbon nanotube and its highly efficient in water oxidation reaction" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 48 . 9 (2023) : 3429-3439 . |
| APA | Foruzin, Leila Jafari , Nejati, Kamellia , Dai, Hongxing , Rezvani, Zolfaghar . Ultrasonic-assisted synthesis of Ni based-layered double hydroxide doped carbon nanotube and its highly efficient in water oxidation reaction . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2023 , 48 (9) , 3429-3439 . |
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摘要 ：
Designing highly efficient photocatalysts is significantly important to degrade the harmful pollutions in water. In this study, photocatalyst of Fe3O4-ED-rGO with dissolved HPV was successfully prepared and electron microscopy characterization revealed that large number of single tungsten/vanadium atom oxide (ST/VAO) was homogeneously deposited on Fe3O4 nanoparticles in SMAO-MrGO-ED sample and occupied the bivalent Fe2+ sites. Meanwhile, phase analysis confirmed that the Fe3O4 nanocomposites were mostly conversed from the reducted Fe2O3 by the hydrolysis of rGO-ED-HPV. Such a highly dispersed monatomic adsorption on the bivalent Fe2+ of polycrystalline SMAO-MrGO-ED nanocomposite not only benefits for the visible light absorption from 2.7 eV to 2.10 eV, but also offers abundantly active sites to get the highest activity of 98.43% and 98.12% for ciprofloxacin (CF) and ibuprofen (IBF) photodegradation, respectively. All these discoveries give us a new insight to design the photocatalysts with high photodegradation efficiency, low cost, short reaction time and good reusability.
关键词 ：
Ciprofloxacin Ciprofloxacin Ibuprofen Ibuprofen Magnetic nanocomposite Magnetic nanocomposite Photodegradation Photodegradation Single metal atom oxide Single metal atom oxide
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| GB/T 7714 | Selvakumar, Karuppaiah , Wang, Yueshuai , Lu, Yue et al. Single metal atom oxide anchored Fe3O4-ED-rGO for highly efficient photodecomposition of antibiotic residues under visible light illumination [J]. | APPLIED CATALYSIS B-ENVIRONMENTAL , 2022 , 300 . |
| MLA | Selvakumar, Karuppaiah et al. "Single metal atom oxide anchored Fe3O4-ED-rGO for highly efficient photodecomposition of antibiotic residues under visible light illumination" . | APPLIED CATALYSIS B-ENVIRONMENTAL 300 (2022) . |
| APA | Selvakumar, Karuppaiah , Wang, Yueshuai , Lu, Yue , Tian, Bohai , Zhang, Zeyu , Hu, Jingcong et al. Single metal atom oxide anchored Fe3O4-ED-rGO for highly efficient photodecomposition of antibiotic residues under visible light illumination . | APPLIED CATALYSIS B-ENVIRONMENTAL , 2022 , 300 . |
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摘要 ：
The reduced graphene oxide (rGO)-promoted alpha-MnO2 nanorods-supported Pt (xPt-yrGO/alpha-MnO2, x = 0.93 wt%, y = 0.5, 1.0, and 2.0 wt%) nanocatalysts were prepared using a polyvinyl alcohol (PVA)-protected reduction method. After an appropriate loading of Pt on alpha-MnO2, the strong metal-support interaction between Pt and alpha-MnO2 was beneficial for an increase in catalytic activity. The simultaneous addition of rGO to alpha-MnO2 not only provided a more amount of benzene adsorption sites, but also acted as an electron transfer channel to accelerate charge migration, thus further improving catalytic activity of alpha-MnO2. Among all of the catalyst samples, 0.94Pt-1.0rGO/alpha-MnO2 showed the best catalytic performance with 90% benzene conversion at 160 degrees C and a gas hourly space velocity (GHSV) of 60,000 mL/(g h), which was better than that over the other Pt-based catalysts. The results of in situ DRIFTS characterization revealed that phenol, benzoquinone, and carboxylate species were the intermediates and eventually oxidized to CO2 and H2O. When sulfur dioxide was present, catalytic activity of alpha-MnO2 decreased due to the formation of manganese sulfate that blocked the active sites, while the loading of Pt and rGO hindered the chemisorption of SO2 and prevented the active sites of the catalyst from being poisoned by SO2, thus enhancing sulfur resistance of the catalyst. The 0.94Pt-1.0rGO/alpha-MnO2 catalyst presented in this work can be considered as a cost-effective and promising catalyst for the oxidative removal of volatile organic compounds.
关键词 ：
sulfur dioxide resistance sulfur dioxide resistance manganese dioxide nanorod manganese dioxide nanorod supported Pt nanocatalyst supported Pt nanocatalyst benzene oxidation benzene oxidation reduced graphene oxide reduced graphene oxide volatile organic compound volatile organic compound
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| GB/T 7714 | Zhang, Dan , Ye, Qing , Dong, Ning et al. Enhanced Catalytic Performance and Sulfur Dioxide Resistance of Reduced Graphene Oxide-Promoted MnO2 Nanorods-Supported Pt Nanoparticles for Benzene Oxidation [J]. | CATALYSTS , 2022 , 12 (11) . |
| MLA | Zhang, Dan et al. "Enhanced Catalytic Performance and Sulfur Dioxide Resistance of Reduced Graphene Oxide-Promoted MnO2 Nanorods-Supported Pt Nanoparticles for Benzene Oxidation" . | CATALYSTS 12 . 11 (2022) . |
| APA | Zhang, Dan , Ye, Qing , Dong, Ning , Wang, Wenjin , Xiao, Yang , Dai, Hongxing . Enhanced Catalytic Performance and Sulfur Dioxide Resistance of Reduced Graphene Oxide-Promoted MnO2 Nanorods-Supported Pt Nanoparticles for Benzene Oxidation . | CATALYSTS , 2022 , 12 (11) . |
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摘要 ：
The layered manganese oxide (S-MnO2)-supported reduced graphene oxide (rGO)-promoted silver catalysts (xAg-yrGO/delta-MnO2; x and y are the Ag and rGO contents (wt%), respectively) were prepared via a polyvinyl alcohol-protected reduction route. Physicochemical properties of these materials were determined using the numerous techniques, and their catalytic activities were evaluated for the oxidation of CO and ethyl acetate. It is found that the loading of rGO as an electron transfer promoter could significantly strengthen the metal-support interaction (SMSI) between Ag and delta-MnO2 and increase specific surface area of the sample, hence improving catalytic performance of the sample. Activity evaluation reveals that 1Ag-1.0rGO/delta-MnO2 showed the best catalytic activity and the lowest apparent activation energy (E-a), giving a T-90% of 140 degrees C and an E-a of 42.7 kJ/mol for CO oxidation, and a T-90% of 160 degrees C and an E-a of 39.8 kJ/mol for ethyl acetate oxidation at space velocity (SV) = 60,000 mL/(g h). The good performance of 1Ag-1.0rGO/S-MnO2 was associated with its high Mn3+/Mn4+ or O-ads/O-latt molar ratio, good low-temperature reducibility, and strong SMSI between Ag and delta-MnO2. The in situ DRIFTS characterization demonstrates that the carbonate and acetate species were the main intermediate products in CO and ethyl acetate oxidation over 1Ag-1.0rGO/delta-MnO2, respectively. The 1Ag-1.0rGO/delta-MnO2 sample was not significantly altered in physicochemical property after 55 h of stability test, but its activity decreased in the presence of water vapor, especially such an effect on ethyl acetate oxidation was more obvious, which was possibly due to the competitive adsorption of water and reactants on the catalyst surface.
关键词 ：
Carbon monoxide oxidation Carbon monoxide oxidation Manganese oxide-supported silver catalyst Manganese oxide-supported silver catalyst Reduced graphene oxide promoter Reduced graphene oxide promoter Ethyl acetate oxidation Ethyl acetate oxidation Reaction mechanism Reaction mechanism
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| GB/T 7714 | Dong, Ning , Ye, Qing , Zhang, Dan et al. Reduced graphene oxide as an effective promoter to the layered manganese oxide-supported Ag catalysts for the oxidation of ethyl acetate and carbon monoxide [J]. | JOURNAL OF HAZARDOUS MATERIALS , 2022 , 431 . |
| MLA | Dong, Ning et al. "Reduced graphene oxide as an effective promoter to the layered manganese oxide-supported Ag catalysts for the oxidation of ethyl acetate and carbon monoxide" . | JOURNAL OF HAZARDOUS MATERIALS 431 (2022) . |
| APA | Dong, Ning , Ye, Qing , Zhang, Dan , Xiao, Yang , Dai, Hongxing . Reduced graphene oxide as an effective promoter to the layered manganese oxide-supported Ag catalysts for the oxidation of ethyl acetate and carbon monoxide . | JOURNAL OF HAZARDOUS MATERIALS , 2022 , 431 . |
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摘要 ：
Manganese oxide supported Pt single atoms (Pt-1/MnOx) are prepared by the molten salt method. Catalytic oxidation of toluene and iso-hexane, typical emissions from furniture paints industry, is tested. Pt-1/MnOx shows poor and high catalytic stability for toluene and iso-hexane oxidation, respectively. Enhancement in the catalytic stability for toluene oxidation is observed after the hydrogen reduction treatment of Pt-1/MnOx at 200 degrees C. The hydrogen treated catalyst possesses the weaker Mn-O bonds and lower coordination number of Pt-O, with superior mobility of lattice oxygen and appropriate toluene adsorption. Balancing lattice oxygen mobility and volatile organic compounds adsorption is important for the catalytic stability of Pt-1/MnOx. For the oxidation of toluene and iso-hexane mixture, owing to the competitive adsorption, iso-hexane oxidation is greatly inhibited, while toluene oxidation is not influenced. The present Pt-1/MnOx catalyst holds promising prospect in furniture paints industry applications because of high catalytic stability and water resistance ability.
关键词 ：
Lattice oxygen mobility Lattice oxygen mobility VOCs adsorption VOCs adsorption Single atom catalyst Single atom catalyst Catalytic stability Catalytic stability VOCs removal VOCs removal
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| GB/T 7714 | Feng, Yuan , Wang, Chongchen , Wang, Can et al. Catalytic stability enhancement for pollutant removal via balancing lattice oxygen mobility and VOCs adsorption [J]. | JOURNAL OF HAZARDOUS MATERIALS , 2022 , 424 . |
| MLA | Feng, Yuan et al. "Catalytic stability enhancement for pollutant removal via balancing lattice oxygen mobility and VOCs adsorption" . | JOURNAL OF HAZARDOUS MATERIALS 424 (2022) . |
| APA | Feng, Yuan , Wang, Chongchen , Wang, Can , Huang, Haibao , Hsi, Hsing-Cheng , Duan, Erhong et al. Catalytic stability enhancement for pollutant removal via balancing lattice oxygen mobility and VOCs adsorption . | JOURNAL OF HAZARDOUS MATERIALS , 2022 , 424 . |
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摘要 ：
The octahedral molecular sieve (OMS-2)-supported Fe ( x Fe/OMS-2: x = 1, 3, 5, and 10) catalysts were prepared using the pre-incorporation method. Physicochemical properties of the as-synthesized materials were characterized by means of various techniques, and their catalytic activities for CO, ethyl acetate, and toluene oxidation were evaluated. Among all of the samples, performed the best, with the reaction temperature required to achieve 90% conversion ( T 90% ) being 160 degrees C for CO oxidation, 210 degrees C for ethyl acetate oxidation, and 285 degrees C for toluene oxidation. Such a good catalytic performance of 5Fe/OMS-2 was associated with its high (Mn 3 + + Mn 2 + ) content and adsorbed oxygen species concentration, and good lowtemperature reducibility and lattice oxygen mobility as well as strong interaction between Fe and OMS-2. In addition, catalytic mechanisms of the oxidation of three pollutants over the 5Fe/OMS-2 catalyst were also studied. It was found that CO, ethyl acetate or toluene was first adsorbed, then the related intermediates were formed, and finally the formed intermediates were completely converted into CO 2 and H 2 O. (c) 2021 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
关键词 ：
CO oxidation CO oxidation oxidation oxidation Volatile organic compound Volatile organic compound Supported iron catalyst Supported iron catalyst Toluene oxidation Toluene oxidation
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| GB/T 7714 | Dong, Ning , Chen, Mengyue , Ye, Qing et al. An investigation on catalytic performance and reaction mechanisms of Fe/OMS-2 for the oxidation of carbon monoxide, ethyl acetate, and toluene [J]. | JOURNAL OF ENVIRONMENTAL SCIENCES , 2022 , 112 : 258-268 . |
| MLA | Dong, Ning et al. "An investigation on catalytic performance and reaction mechanisms of Fe/OMS-2 for the oxidation of carbon monoxide, ethyl acetate, and toluene" . | JOURNAL OF ENVIRONMENTAL SCIENCES 112 (2022) : 258-268 . |
| APA | Dong, Ning , Chen, Mengyue , Ye, Qing , Zhang, Dan , Dai, Hongxing . An investigation on catalytic performance and reaction mechanisms of Fe/OMS-2 for the oxidation of carbon monoxide, ethyl acetate, and toluene . | JOURNAL OF ENVIRONMENTAL SCIENCES , 2022 , 112 , 258-268 . |
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摘要 ：
The supported palladium catalysts perform well in the oxidative removal of hazardous aromatic hydrocarbons. However, water vapor can seriously deactivate the catalysts especially in the low-temperature regime. Hence, improving moisture resistance of the Pd-based catalysts is full of challenge in the removal of aromatics. Herein, we report a new type of Pd@NC/BN catalysts featured with nitrogen-doped carbon layers modified Pd supported on hexagonal boron nitride (h-BN), and the relationship between structure and water resistance of the catalysts. The results show that in the presence of 10 vol% H2O in the feedstock, the Pd@NC/BN catalyst could effectively oxidize o-xylene (with an almost 87% removal efficiency), whereas o-xylene conversion declined from 69% to 20% over the conventional Pd/Al2O3 at a reaction temperature of 210 degrees C and a space velocity of 40,000 mL/(g h). The adsorption of H2O was significantly inhibited on the nitrogen-doped carbon layers due to the hydrophobic nature. Meanwhile, the oxygen species active for o-xylene oxidation were not only from the adsorbed gas-phase oxygen but also from the new active oxygen (*OOH and *OH) species that were generated via the interaction of O-2 and H2O in the presence of water in the feedstock. It is concluded that the reactive oxygen species that accelerated the activation and cleavage of C-H bonds significantly facilitated the conversion of key intermediate species (from benzaldehyde to benzoic acid), thus playing a decisive role in o-xylene oxidation. The present work provides a direction for developing the superior water resistance catalysts with hydrophobic nature and good water activation ability in the oxidative removal of volatile organic compounds.
关键词 ：
Nitrogen-doped carbon layer Nitrogen-doped carbon layer Hydroxyl species Hydroxyl species o-Xylene oxidation o-Xylene oxidation Palladium-based catalyst Palladium-based catalyst Hydrothermal stability Hydrothermal stability
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| GB/T 7714 | Chen, Hualian , Liu, Yuxi , Gao, Ruyi et al. N-doped carbon-modified palladium catalysts with superior water resistant performance for the oxidative removal of toxic aromatics [J]. | JOURNAL OF HAZARDOUS MATERIALS , 2022 , 437 . |
| MLA | Chen, Hualian et al. "N-doped carbon-modified palladium catalysts with superior water resistant performance for the oxidative removal of toxic aromatics" . | JOURNAL OF HAZARDOUS MATERIALS 437 (2022) . |
| APA | Chen, Hualian , Liu, Yuxi , Gao, Ruyi , Dong, Tiantian , Hou, Zhiquan , Jing, Lin et al. N-doped carbon-modified palladium catalysts with superior water resistant performance for the oxidative removal of toxic aromatics . | JOURNAL OF HAZARDOUS MATERIALS , 2022 , 437 . |
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摘要 ：
Manganese-based catalysts show a tremendous potential in propane oxidation due to their low cost and good catalytic activity but are easily deactivated by SO2. In this work, we first synthesized the mesoporous sodium-doped manganese oxide (meso-NaxMnOy) using the mesoporous silica (KIT-6) as a template after washing with a concentrated NaOH aqueous solution and then prepared the platinum-cobalt bimetallic singleatom (Pt1Co1/meso-NaxMnOy) catalyst using the polyvinyl pyrrolidone-protecting one-pot strategy. It was found that the doping of 13.8 wt % Na dramatically enhanced the SO2 tolerance of meso-NaxMnOy but inhibited its catalytic activity due to the alkali metal poisoning. Among all of the samples for the oxidation of propane, Pt1Co1/meso-NaxMnOy showed the highest catalytic activity (a propane conversion of 90% was obtained at 282 degrees C and a space velocity of 30 000 mL g-1 h-1, and apparent activation energy, specific reaction rate, and turnover frequency at 250 degrees C were 76.0 kJ mol-1, 78.9 x 10-5 mol gPt-1 h-1, and 193.7 x 10-3 s-1, respectively), which was associated with the Pt and Co double active sites with good dispersion, abundant electron deficiency, outstanding lattice oxygen mobility, good low-temperature reducibility, and large capacity and weak strength of propane adsorption. More importantly, the Pt1Co1/meso-NaxMnOy sample possessed the excellent resistance to sulfur dioxide. Propane oxidation occurred via different reaction routes over the MnO2, meso-NaxMnOy, and Pt1Co1/meso-NaxMnOy samples, with the Langmuir- Hinshelwood mechanism being dominated. Propane oxidation over Pt1Co1/meso-NaxMnOy might follow a pathway of propane -> acetone and isopropoxide -> carboxylate and fatty ether -> CO2 and H2O. Pt and/or Co single atoms are highly dispersed on mesoNaxMnOy. SO2 is preferentially adsorbed at the Na site in Pt1Co1/meso-NaxMnOy, which protects the active Mn, Pt, and Co from being poisoned by SO2, hence making Pt1Co1/meso-NaxMnOy show good SO2 resistance in propane oxidation.
关键词 ：
sodium-doped manganese oxide sodium-doped manganese oxide supported bimetallic single-atom catalyst supported bimetallic single-atom catalyst platinum-cobalt single atoms platinum-cobalt single atoms propane oxidation propane oxidation sulfur dioxide resistance sulfur dioxide resistance
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| GB/T 7714 | Hao, Xiuqing , Deng, Jiguang , Liu, Yuxi et al. Mesoporous NaxMnOy-Supported Platinum-Cobalt Bimetallic Single-Atom Catalysts with Good Sulfur Dioxide Tolerance in Propane Oxidation [J]. | ACS SUSTAINABLE CHEMISTRY & ENGINEERING , 2022 . |
| MLA | Hao, Xiuqing et al. "Mesoporous NaxMnOy-Supported Platinum-Cobalt Bimetallic Single-Atom Catalysts with Good Sulfur Dioxide Tolerance in Propane Oxidation" . | ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022) . |
| APA | Hao, Xiuqing , Deng, Jiguang , Liu, Yuxi , Jing, Lin , Wang, Jia , Wang, Zhiwei et al. Mesoporous NaxMnOy-Supported Platinum-Cobalt Bimetallic Single-Atom Catalysts with Good Sulfur Dioxide Tolerance in Propane Oxidation . | ACS SUSTAINABLE CHEMISTRY & ENGINEERING , 2022 . |
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摘要 ：
The compositions of volatile organic compounds (VOCs) under actual industrial conditions are often complex; especially, the interaction of intermediate products easily leads to more toxic emissions that are harmful to the atmospheric environment and human health. Herein, we report a comparative investigation on 1,2-dichloroethane (1,2-DCE) and (1,2-DCE + toluene) oxidation over the Ru/TiO2, phosphotungstic acid (HPW)-modified Ru/TiO2, and oxygen vacancy-rich Ru/TiOx catalysts. The doping of HPW successfully introduced the 1,2-DCE adsorption sites to promote its oxidation and exhibited outstanding water resistance. For the mixed VOCs, Ru/HPW-TiO2 promoted the preferential and superfluous adsorption of toluene and resulted in the inhibition of 1,2-DCE degradation. Therefore, HPW modification is a successful strategy in catalytic 1,2-DCE oxidation, but Brionsted acid sites tend to adsorb toluene in the mixed VOC oxidation. The Ru/TiOx catalyst exhibited excellent activity and stability in the oxidation of mixed VOCs and could inhibit the generation of byproducts and Cl-2 compared with the Ru/HPW-TiO2 catalyst. Compared with the Brionsted acid modification, the oxygen vacancy-rich catalysts are significantly suitable for the oxidation of multicomponent VOCs.
关键词 ：
titanium dioxide titanium dioxide Ru-based catalyst Ru-based catalyst toluene oxidation toluene oxidation 1, 2-dichloroethane oxidation 1, 2-dichloroethane oxidation heteropoly acid heteropoly acid water resistance water resistance
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| GB/T 7714 | Yu, Xiaohui , Deng, Jiguang , Liu, Yuxi et al. Enhanced Water Resistance and Catalytic Performance of Ru/TiO2 by Regulating Bronsted Acid and Oxygen Vacancy for the Oxidative Removal of 1,2-Dichloroethane and Toluene [J]. | ENVIRONMENTAL SCIENCE & TECHNOLOGY , 2022 . |
| MLA | Yu, Xiaohui et al. "Enhanced Water Resistance and Catalytic Performance of Ru/TiO2 by Regulating Bronsted Acid and Oxygen Vacancy for the Oxidative Removal of 1,2-Dichloroethane and Toluene" . | ENVIRONMENTAL SCIENCE & TECHNOLOGY (2022) . |
| APA | Yu, Xiaohui , Deng, Jiguang , Liu, Yuxi , Jing, Lin , Gao, Ruyi , Hou, Zhiquan et al. Enhanced Water Resistance and Catalytic Performance of Ru/TiO2 by Regulating Bronsted Acid and Oxygen Vacancy for the Oxidative Removal of 1,2-Dichloroethane and Toluene . | ENVIRONMENTAL SCIENCE & TECHNOLOGY , 2022 . |
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摘要 ：
A novel kind of CO2 solid adsorbents (xLDH/MA, x is the loading of LDH) was prepared by loading of layered double hydroxides (LDH) on the mesoporous alumina (MA) support. The LDHs in xLDH/MA were evenly distributed on the surface of MA. xLDH/MA possessed a large BET surface area (278-378 m(2)/g), narrow pore-size distribution (4.37-6.23 nm), and a highly crystalline framework. Among all of the samples, 30LDH/MA showed an excellent CO2 adsorption capacity at 50 degrees C(1.56 mmol/g), which was 1.55 times larger than that of unmodified MA. Due to the synergistic effect between MA and LDH, 30LDH/MA exhibited a higher surface area and a more amount of adsorption sites, which were the main factors improving its CO2 adsorption performance. The adsorption process of CO2 on xLDH/MA was dominated by the chemical adsorption, and the adsorbed CO2 was mainly stored in the form of carbonate. In addition, the 30LDH/MA composite material showed fast adsorption kinetics and good regeneration efficiency. We believe that such a kind of porous alumina-supported layered double hydroxides would have a great potential in the applications for the adsorption of CO2.
关键词 ：
Adsorption mechanism Adsorption mechanism Regeneration efficiency Regeneration efficiency Carbon dioxide adsorption Carbon dioxide adsorption Layered double hydroxide Layered double hydroxide Mesoporous alumina Mesoporous alumina
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| GB/T 7714 | Wu, Kai , Ye, Qing , Wang, Lanyang et al. Mesoporous alumina-supported layered double hydroxides for efficient CO2 capture [J]. | JOURNAL OF CO2 UTILIZATION , 2022 , 60 . |
| MLA | Wu, Kai et al. "Mesoporous alumina-supported layered double hydroxides for efficient CO2 capture" . | JOURNAL OF CO2 UTILIZATION 60 (2022) . |
| APA | Wu, Kai , Ye, Qing , Wang, Lanyang , Meng, Fanwei , Dai, Hongxing . Mesoporous alumina-supported layered double hydroxides for efficient CO2 capture . | JOURNAL OF CO2 UTILIZATION , 2022 , 60 . |
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