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Xiao R, Yu S, Tang Z, Tang J, Zhang H, Zhong S. Monodisperse Silica Microsphere with Extremely Large Specific Surface Area: Preparation and Characterization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2025; 41:11003-11011. [PMID: 40275772 DOI: 10.1021/acs.langmuir.5c00607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2025]
Abstract
Monodisperse SiO2 microspheres are widely used in catalysis, separation, adsorption, and drug delivery. Their particle size, uniformity, and specific surface area are crucial for these applications. This study reports the novel preparation of monodisperse SiO2 microspheres using cetyltrimethylammonium bromide as the template agent, employing hexadecylamine serving concurrently as a pore-expanding agent and catalyst. By controlling the reactant quantities and reaction conditions, we achieved monodisperse SiO2 microspheres with tunable particle sizes ranging from 800 nm to 2.5 μm with exceptionally large specific surface areas. It is worth mentioning that microspheres with a particle size of 2 μm and extremely uniform size distribution were produced at room temperature. Excitingly, it has a BET specific surface area of 1543 m2/g. Various effects on the preparation of the microspheres were investigated in detail, and the growth mechanism of these microspheres was elucidated.
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Affiliation(s)
- Ruicheng Xiao
- Key Lab of Porous Functional Materials of Jiangxi Province/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Materials, Jiangxi Normal University, Nanchang 330022, PR China
| | - Siming Yu
- Key Lab of Porous Functional Materials of Jiangxi Province/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Materials, Jiangxi Normal University, Nanchang 330022, PR China
| | - Zhongsheng Tang
- Key Lab of Porous Functional Materials of Jiangxi Province/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Materials, Jiangxi Normal University, Nanchang 330022, PR China
| | - Jianping Tang
- Key Lab of Porous Functional Materials of Jiangxi Province/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Materials, Jiangxi Normal University, Nanchang 330022, PR China
| | - Hang Zhang
- Key Lab of Porous Functional Materials of Jiangxi Province/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Materials, Jiangxi Normal University, Nanchang 330022, PR China
| | - Shengliang Zhong
- Key Lab of Porous Functional Materials of Jiangxi Province/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Materials, Jiangxi Normal University, Nanchang 330022, PR China
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Jiang W, Guan X, Wang L, Mao Y, Ma P, Liu W, Li Y, Ngai T, Jiang H. Fabrication of Porous Proteinaceous Microspheres via One-Step Pickering Double Emulsions: Controllable Structure and Interfacial Cascade Biocatalysis. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2025; 41:7302-7311. [PMID: 40094198 DOI: 10.1021/acs.langmuir.4c04555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2025]
Abstract
Methods based on double emulsions for producing porous microspheres have gained popularity as an effective and adaptable strategy. However, these microspheres are frequently composed of organic polymers that lack sufficient mechanical strength. Additionally, the conventional two-step process and the use of surfactants present notable challenges. A promising solution is to replace traditional surfactants with inorganic particles, utilizing a Pickering emulsion approach. Herein, we introduced a one-step approach for creating Pickering double emulsions, followed by a straightforward solvent evaporation process to produce porous proteinaceous microspheres. By harnessing the enhanced stability of Pickering emulsions, we can manipulate the morphology and pore structure of the microspheres by varying the oil-(ethanol/water) volume ratio, the size and type of emulsifier, ripening time, rotary evaporation temperature, and the addition of enzymes. Furthermore, we innovatively proposed the coencapsulation of glucose oxide (GOx) and horseradish peroxidase (HRP) for interfacial cascade catalysis, showing excellent catalytic activity, recovery, and reusability. This study presents a new, scalable approach for producing porous microspheres using a one-step Pickering double emulsion. It demonstrates significant potential for interfacial biocatalysis, and is expected to be applied in fields such as medicine, drug delivery, and biotechnology due to their suitability for encapsulating bioactive materials.
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Affiliation(s)
- Weijie Jiang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P. R. China
| | - Xin Guan
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong 999077, P. R. China
| | - Liang Wang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P. R. China
| | - Yuqian Mao
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P. R. China
| | - Panfei Ma
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P. R. China
| | - Wei Liu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P. R. China
| | - Yunxing Li
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P. R. China
| | - To Ngai
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong 999077, P. R. China
| | - Hang Jiang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P. R. China
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Wogo HE, Silmi N, Benu DP, Steky FV, Setiawan KM, Sudirman, Azzindani MW, Mukti RR, Suendo V. Investigating the Correlation of Morphology with the N 2 Physisorption Behavior of Al-Incorporated bcl Silica. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2025; 41:5794-5807. [PMID: 39992911 DOI: 10.1021/acs.langmuir.4c03286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/26/2025]
Abstract
We report the synthesis of Al-incorporated bicontinuous concentric lamellar (bcl) silica particles with mesoporous-scale pores, high pore volume, and high surface area through the reflux method at atmospheric pressure. This study demonstrates that bcl morphology can be achieved by carefully tuning reaction parameters such as reflux time, temperature, and surfactant type. The aluminum (Al) precursor concentration significantly influences the formation of Al-incorporated bcl silica, while the NaOH concentration has no significant impact. Scanning electron microscope (SEM) images show that synthesis at 130 °C for 20 h using the CTAB (cetyltrimethylammonium bromide) surfactant and 1 mol sodium aluminate produced a spherical silica bcl-like morphology surrounded by lamellae. These SEM images are supported by the N2 physisorption isotherm pattern, which follows type IVa with an H3 hysteresis loop, indicating slit-like particle aggregates. Exceeding 3 mol of aluminum prevents bcl morphology formation, with the hysteresis pattern shifting to type H2, indicative of pore blocking. This study provides a reference for the development of Al-incorporated bcl silica into zeolite with bcl morphology.
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Affiliation(s)
- Hermania Em Wogo
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Doctoral Program of Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Department of Chemistry, Universitas Nusa Cendana, Kupang 85228, Indonesia
| | - Nadiatus Silmi
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Doctoral Program of Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
| | - Didi Prasetyo Benu
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Doctoral Program of Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Department of Chemistry, Universitas Timor, Kefamenanu 85613, Indonesia
| | - Fry Voni Steky
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Doctoral Program of Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
| | - Kevin Manuel Setiawan
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
| | - Sudirman
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Doctoral Program of Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Department of Chemistry, Universitas Mataram, Mataram 83125, Indonesia
| | - Muhammad Wildan Azzindani
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
| | - Rino Rakhmata Mukti
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Center for Catalysis and Reaction Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
| | - Veinardi Suendo
- Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Bandung 40132, Indonesia
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Li H, Huang J, Zhang H, Hang R, Wang Y. Preparation of Al-doped mesoporous silica spheres (Al-MSSs) for the improvement of mechanical properties and aging resistance of dental resin composites. J Mech Behav Biomed Mater 2024; 157:106624. [PMID: 38861785 DOI: 10.1016/j.jmbbm.2024.106624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/19/2024] [Accepted: 06/04/2024] [Indexed: 06/13/2024]
Abstract
OBJECTIVE The purpose of this study was to synthesize Al-doped mesoporous silica spheres (Al-MSSs) and evaluate the effect of them as functional fillers on the mechanical properties and aging resistance of dental resin composites. METHODS Al-MSSs were prepared by a two-step method. The effect of Al-MSSs on the performance of the composites was evaluated using neat resin matrix, commercial composites 3M Z350XT and samples containing mesoporous silica spheres (MSSs) and nonporous silica spheres (NSSs) as control. The neat resin matrix consisted of resin monomer (Bisphenol A glycerolate dimethacrylate/triethylene glycol dimethacrylate, 49.5/49.5, wt%) and photoinitiator (camphor quinone/Ethyl-4-dimethylaminobenzoate, 0.2/0.8, wt%). The mechanical properties (flexural strength, flexural modulus, compressive strength and microhardness) of them were evaluated by a universal testing machine and microhardness tester. The mechanical stabilities of the prepared composites in wet environment were evaluated by immersing them in deionized water at 37 °C. In addition, we evaluated the effect of Al-MSSs on other properties of the dental resin composites such as polymerization shrinkage, degree of conversion, curing depth, contact angle, water sorption and solubility according to ISO 4049: 2019. RESULTS The synthesized Al-MSSs possessed good dispersibility with an average particle size of about 505 ± 16 nm. The mechanical properties of resin composites gradually increased with the increase of the loading amounts of inorganic fillers. The reinforcing effect of Al-MSSs was similar to that of MSSs and better than that of the NSSs groups at the same filler loading. After aging in deionized water at 37 °C for 30 days, the mechanical properties of all resin composites decreased. However, the decrease percentage of the composites filled with Al-MSSs was significantly lower than the other groups, indicating that the stability of the dental composites in wet environments was significantly improved by the Al-MSSs fillers. Furthermore, Al-MSSs had no obvious influence on the biocompatibility and other properties of dental resins. SIGNIFICANCE The prepared Al-MSSs could effectively improve the mechanical properties and aging resistance without sacrificing other physic-chemical properties of dental resin composites.
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Affiliation(s)
- Huaizhu Li
- Shanxi Key Laboratory of Biomedical Metal Materials, College of Materials Science and Engineering, Taiyuan University of Technology, 79 West Yingze Road, Taiyuan, 030024, China
| | - Jiahui Huang
- Shanxi Key Laboratory of Biomedical Metal Materials, College of Materials Science and Engineering, Taiyuan University of Technology, 79 West Yingze Road, Taiyuan, 030024, China
| | - Hongxia Zhang
- Shanxi Key Laboratory of Biomedical Metal Materials, College of Materials Science and Engineering, Taiyuan University of Technology, 79 West Yingze Road, Taiyuan, 030024, China
| | - Ruiqiang Hang
- Shanxi Key Laboratory of Biomedical Metal Materials, College of Materials Science and Engineering, Taiyuan University of Technology, 79 West Yingze Road, Taiyuan, 030024, China
| | - Yueyue Wang
- Shanxi Key Laboratory of Biomedical Metal Materials, College of Materials Science and Engineering, Taiyuan University of Technology, 79 West Yingze Road, Taiyuan, 030024, China.
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Liang B, Zhu P, Gu J, Yuan W, Xiao B, Hu H, Rao M. Advancing Adsorption and Separation with Modified SBA-15: A Comprehensive Review and Future Perspectives. Molecules 2024; 29:3543. [PMID: 39124948 PMCID: PMC11314527 DOI: 10.3390/molecules29153543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 07/17/2024] [Accepted: 07/24/2024] [Indexed: 08/12/2024] Open
Abstract
Mesoporous silica SBA-15 has emerged as a promising adsorbent and separation material due to its unique structural and physicochemical properties. To further enhance its performance, various surface modification strategies, including metal oxide and noble metal incorporation for improved catalytic activity and stability, organic functionalization with amino and thiol groups for enhanced adsorption capacity and selectivity, and inorganic-organic composite modification for synergistic effects, have been extensively explored. This review provides a comprehensive overview of the recent advances in the surface modification of SBA-15 for adsorption and separation applications. The synthesis methods, structural properties, and advantages of SBA-15 are discussed, followed by a detailed analysis of the different modification strategies and their structure-performance relationships. The adsorption and separation performance of functionalized SBA-15 materials in the removal of organic pollutants, heavy metal ions, gases, and biomolecules, as well as in chromatographic and solid-liquid separation, is critically evaluated. Despite the significant progress, challenges and opportunities for future research are identified, including the development of low-cost and sustainable synthesis routes, rational design of SBA-15-based materials with tailored properties, and integration into practical applications. This review aims to guide future research efforts in developing advanced SBA-15-based materials for sustainable environmental and industrial applications, with an emphasis on green and scalable modification strategies.
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Affiliation(s)
- Binjun Liang
- Ganzhou Key Laboratory of Mine Geological Disaster Prevention and Control and Ecological Restoration, School of Resources and Civil Engineering, Gannan University of Science and Technology, Ganzhou 341000, China; (B.L.); (P.Z.); (J.G.); (W.Y.); (H.H.)
| | - Pingxin Zhu
- Ganzhou Key Laboratory of Mine Geological Disaster Prevention and Control and Ecological Restoration, School of Resources and Civil Engineering, Gannan University of Science and Technology, Ganzhou 341000, China; (B.L.); (P.Z.); (J.G.); (W.Y.); (H.H.)
| | - Jihan Gu
- Ganzhou Key Laboratory of Mine Geological Disaster Prevention and Control and Ecological Restoration, School of Resources and Civil Engineering, Gannan University of Science and Technology, Ganzhou 341000, China; (B.L.); (P.Z.); (J.G.); (W.Y.); (H.H.)
- Chongyi Green Metallurgy New Energy Co., Ltd., Ganzhou 341300, China
| | - Weiquan Yuan
- Ganzhou Key Laboratory of Mine Geological Disaster Prevention and Control and Ecological Restoration, School of Resources and Civil Engineering, Gannan University of Science and Technology, Ganzhou 341000, China; (B.L.); (P.Z.); (J.G.); (W.Y.); (H.H.)
| | - Bin Xiao
- Ganzhou Key Laboratory of Mine Geological Disaster Prevention and Control and Ecological Restoration, School of Resources and Civil Engineering, Gannan University of Science and Technology, Ganzhou 341000, China; (B.L.); (P.Z.); (J.G.); (W.Y.); (H.H.)
| | - Haixiang Hu
- Ganzhou Key Laboratory of Mine Geological Disaster Prevention and Control and Ecological Restoration, School of Resources and Civil Engineering, Gannan University of Science and Technology, Ganzhou 341000, China; (B.L.); (P.Z.); (J.G.); (W.Y.); (H.H.)
| | - Mingjun Rao
- School of Minerals Processing & Bioengineering, Central South University, Changsha 410083, China
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Zhang Y, Wang J, Xie X, Wang X, Wu WD, Chen XD, Wu Z. Deep Cracking of Bulky Hydrocarbons into Light Products via Tandem Catalysis over Uniform Interconnected ZSM-5@AlSBA-15 Composites. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309114. [PMID: 38233203 DOI: 10.1002/smll.202309114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/26/2023] [Indexed: 01/19/2024]
Abstract
Deep cracking of bulky hydrocarbons on zeolite-containing catalysts into light products with high activity, desired selectivity, and long-term stability is demanded but challenging. Herein, the efficient deep cracking of 1,3,5-triisopropylbenzene (TIPB) on intimate ZSM-5@AlSBA-15 composites via tandem catalysis is demonstrated. The rapid aerosol-confined assembly enables the synthesis of the composites composed of a continuous AlSBA-15 matrix decorated with isolated ZSM-5 nanoparticles. The two components at various ZSM-5/AlSBA-15 mass ratios are uniformly mixed with chemically bonded pore walls, interconnected pores, and eliminated external surfaces of nanosized ZSM-5. The typical composite with a ZSM-5/AlSBA-15 mass ratio of 0.25 shows superior performance in TIPB cracking with outstanding activity (≈100% conversion) and deep cracking selectivity (mass of propylene + benzene > 60%) maintained for a long time (> 6 h) under a high TIPB flux (2 mL h-1), far better (several to tens of times higher) than the single-component and physically mixed catalysts and superior to literature results. The high performance is attributed to the cooperative tandem catalytic process, that is, selective and timely pre-cracking of TIPB to isopropylbenzene (IPB) in AlSBA-15 and subsequently timely diffusion and deep cracking of IPB in nanosized ZSM-5.
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Affiliation(s)
- Yali Zhang
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Jiaren Wang
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Xianglin Xie
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Xiaoning Wang
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Winston Duo Wu
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Xiao Dong Chen
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
| | - Zhangxiong Wu
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu, 215123, P. R. China
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Zhang Y, Xie X, Yang Y, Pal M, Dong Chen X, Wu Z. Comparative study on Al-SBA-15 prepared by spray drying and traditional methods for bulky hydrocarbon cracking: Properties, performance and influencing factors. J Colloid Interface Sci 2024; 663:749-760. [PMID: 38432173 DOI: 10.1016/j.jcis.2024.02.180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/21/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
Mesoporous aluminosilicates Al-SBA-15 with large pore sizes and suitable acid properties are promising substitutes to zeolites for catalytic cracking of bulky hydrocarbons without molecular diffusion limitation. The conventional processes to synthesize Al-SBA-15 are time-consuming and often suffer from low "framework" Al contents. Herein, Al-SBA-15 microspheres are synthesized using the rapid and scalable microfluidic jet spray drying technique. They possess uniform particle sizes (45-60 μm), variable surface morphologies, high surface areas (264-340 m2/g), uniform mesopores (3.8-4.9 nm) and rich acid sites (126-812 μmol/g) and high acid strength. Their physicochemical properties are compared with the counterparts synthesized using traditional hydrothermal and evaporation-induced self-assembly methods. The spray drying technique results in a higher incorporation of aluminum (Al) atoms into the silica "framework" compared to the other two methods. The catalytic cracking efficiencies of 1,3,5-triisopropylbenzene (TIPB) on the Al-SBA-15 materials synthesized using the three different methods and nanosized ZSM-5 are compared. The optimal spray-dried Al-SBA-15 exhibits the best performance with 100 % TIPB conversion, excellent selectivity (about 75 %) towards the formation of deeply cracked products (benzene and propylene) and high stability. The catalytic performances of the spray-dried Al-SBA-15 with varying Si/Al ratios are also compared. The reasons for the different performances of the different materials are discussed, where the mesopores, high acid density and strength are observed to play the most critical role. This work might provide a basis for the synthesis of mesoporous rich metal-substituted silica materials for different catalytic applications.
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Affiliation(s)
- Yali Zhang
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou City, Jiangsu Province 215123, People's Republic of China
| | - Xianglin Xie
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou City, Jiangsu Province 215123, People's Republic of China
| | - Yunhan Yang
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou City, Jiangsu Province 215123, People's Republic of China
| | - Manas Pal
- Department of Chemistry, School of Science, Indrashil University, Rajpur, Mehsana 382715, Gujarat, India.
| | - Xiao Dong Chen
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou City, Jiangsu Province 215123, People's Republic of China
| | - Zhangxiong Wu
- Particle Engineering Laboratory, School of Chemical and Environmental Engineering, and Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou City, Jiangsu Province 215123, People's Republic of China.
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A metal-/additive-free system for oxygen-mediated hydroxylation of benzene over polyfuran-functionalized hydrothermal carbocatalyst. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Chang CY, Chen YF, Tsai YT, Huang CF, Pan YT, Tsai DH. Sustainable Synthesis of Epoxides from Halohydrin Cyclization by Composite Solid-Based Catalysts. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01064] [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)
- Ching-Yuan Chang
- Department of Chemical Engineering, National Tsing-Hua University, No. 101, Sec. 2, Kuang-Fu Rd., Hsinchu City 30013, Taiwan, R.O.C
| | - Yu-Fan Chen
- Department of Chemical Engineering, National Tsing-Hua University, No. 101, Sec. 2, Kuang-Fu Rd., Hsinchu City 30013, Taiwan, R.O.C
| | - Yi-Ta Tsai
- Chang Chun Plastic Co., Ltd., 7F, No. 301, Songjiang Rd., Taipei 104070, Taiwan, R.O.C
| | - Chien-Fu Huang
- Chang Chun Plastic Co., Ltd., 7F, No. 301, Songjiang Rd., Taipei 104070, Taiwan, R.O.C
| | - Yung-Tin Pan
- Department of Chemical Engineering, National Tsing-Hua University, No. 101, Sec. 2, Kuang-Fu Rd., Hsinchu City 30013, Taiwan, R.O.C
| | - De-Hao Tsai
- Department of Chemical Engineering, National Tsing-Hua University, No. 101, Sec. 2, Kuang-Fu Rd., Hsinchu City 30013, Taiwan, R.O.C
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Deng Y, Zhou J, Li G, Liu H, Gao X, Yue Y, Li H, Xie F, Liu H. Synthesis of Well-Ordered Mesoporous Aluminosilicates with High Aluminum Contents: The Challenge and the Promise. Inorg Chem 2022; 61:11820-11829. [PMID: 35839458 DOI: 10.1021/acs.inorgchem.2c01571] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
SBA-15 has recently emerged as a potential material for the catalytic conversion of large molecules. Usually, SBA-15 has a low content of aluminum due to the conventional acidic synthesis medium. Although a few approaches have been adopted to prepare Al-SBA-15 with a high alumina content, it is still challenging to prepare well-ordered Al-SBA-15 with a high alumina content. Here, we demonstrate a facile synthesis process in neutral mediums for the grafting of Al into the framework of SBA-15. This approach relies mainly on the dissociation of Si-O-Si bonds and the polymerization of Si-O-Si/Al bonds promoted by sodium persulfate (SPS) in neutral mediums. In this way, well-ordered Al-SBA-15 with a high aluminum content and enhanced acidity was obtained. Results of X-ray fluorescence spectroscopy (XRF) showed an n(SiO2)/n(Al2O3) ratio of 13.7, much lower than that of the conventional sample (21.7) obtained in acidic medium. The characterization results indicated the presence of a well-ordered Al-containing mesophase with high hydrothermal stability. Notably, the Al content and the acidity of Al-SBA-15 can be tuned by changing the SPS amount.
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Affiliation(s)
- Yixiong Deng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Jiayu Zhou
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Gen Li
- China Petroleum Technology and Development Corporation, Beijing 100027, P. R. China
| | - Honghai Liu
- Petrochemical Research Institute, Petrochina Company Limited, Beijing 100195, P. R. China
| | - Xionghou Gao
- Petrochemical Research Institute, Petrochina Company Limited, Beijing 100195, P. R. China
| | - Yuanyuan Yue
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou 350002, P. R. China
| | - Haiyan Li
- Petrochemical Research Institute, Petrochina Company Limited, Beijing 100195, P. R. China
| | - Fangming Xie
- Petrochemical Research Institute, Petrochina Company Limited, Beijing 100195, P. R. China
| | - Hongtao Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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11
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Yu K, Kong W, Zhao Z, Duan A, Kong L, Wang X. Hydrodesulfurization of dibenzothiophene and 4,6-dimethyldibenzothiophene over NiMo supported on yolk-shell silica catalysts with adjustable shell thickness and yolk size. J Catal 2022. [DOI: 10.1016/j.jcat.2022.04.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Liu H, Zhang Y, Lv L, Gao X, Meng H, Liu H. Obtaining of Mesoporous Aluminosilicates with High Hydrothermal Stability by Composite Organic Templates: Utility and Mechanism. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:9137-9143. [PMID: 34297575 DOI: 10.1021/acs.langmuir.1c01151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
We have reported the synthesis of mesoporous aluminosilicates (MAs) with high hydrothermal stability via assembly of basic characteristic structure units of typical microporous zeolite Y. In spite of this, high consumption of organic template and H2O remains a major obstacle to its industrial application. Herein, a facile and effective strategy called "composite templates" was employed to decrease significantly the amount of P123 and H2O. In this method, composite micelles of P123/poly(vinyl alcohol) (PVA) could be more easily dispersed in the solution due to the lowering of water's surface tension caused by the free hydroxyl groups of PVA. Moreover, the improved assembly ability of composite micelles in high concentration solution leads to the synthesis of hydrothermally stable MAs with 45% decrease of organic template P123 and 81% that of water amount. It was found that by the introduction of composite templates, the textural properties such as the surface area of materials, volume of pore, size of pore, and thickness were enlarged simultaneously. Meanwhile, this article presented an understanding into the assembly of composite micelles in the process of synthesis of MAs.
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Affiliation(s)
- Hongtao Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Yi Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Anqing Research Institute, Beijing University of Chemical Technology, Anqing City, Anhui Province 246000, P. R. China
| | - Linyi Lv
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Anqing Research Institute, Beijing University of Chemical Technology, Anqing City, Anhui Province 246000, P. R. China
| | - Xionghou Gao
- Petrochemical Research Institute, Petrochina Company Limited, Beijing 100195, P. R. China
| | - Hong Meng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Honghai Liu
- Petrochemical Research Institute, Petrochina Company Limited, Beijing 100195, P. R. China
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13
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Munyentwali A, Li C, Li H, Yang Q. Synthesis of Sulfonated Porous Organic Polymers with a Hydrophobic Core for Efficient Acidic Catalysis in Organic Transformations. Chem Asian J 2021; 16:2041-2047. [PMID: 34060243 DOI: 10.1002/asia.202100456] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/29/2021] [Indexed: 12/17/2022]
Abstract
Synthesis of sulfonated porous polymers with improved hydrophobicity and stability is of extreme importance in both academic research and industrial applications. However, there is often a trade-off between acidity and surface hydrophobicity of sulfonated polymers. In this study, we report a strategy for the synthesis of sulfonated porous organic polymers (S-PT) with improved hydrophobicity via free radical polymerization method by using a rigid and large multidentate monomer, 1,3,5-tri(4-vinylphenyl)-benzene, having a hydrophobic core. The results of vapor adsorption measurement show that S-PT has more hydrophobic properties than sulfonated poly(divinylbenzene) (S-PD), attributed to the hydrophobic core of its multidentate monomer. Furthermore, the optimization of sulfonation time established a balance between surface acidity and hydrophobicity. Under optimized conditions, S-PT afforded up to 113 mmol g-1 h-1 TOF in the esterification of oleic acid with methanol, more active than commercial Amberlyst-15 with TOF of 15 mmol g-1 h-1 and Nafion NR50 with TOF of 7 mmol g-1 h-1 . We believe that the findings of this study will provide useful insights to advance the design and synthesis of solid acid catalysts for organic transformations.
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Affiliation(s)
- Alexis Munyentwali
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, P. R. China.,International College, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Chunzhi Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - He Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, P. R. China
| | - Qihua Yang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, P. R. China
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Yang M, Li G, Li H, Ding J, Wang Y, Li L. Growth kinetic control over MgFe 2O 4 to tune Fe occupancy and metal–support interactions for optimum catalytic performance. CrystEngComm 2021. [DOI: 10.1039/d1ce00006c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
For the first time, the growth behavior with size-dependent Fe occupancies at different sites of MgFe2O4 was examined. Hybrid catalysts of Pt/MgFe2O4 with a support size of 20.6 nm exhibited an optimal performance of CO oxidation.
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Affiliation(s)
- Min Yang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun
- PR China
| | - Guangshe Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun
- PR China
| | - Huixia Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun
- PR China
| | - Junfang Ding
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun
- PR China
| | - Yan Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun
- PR China
| | - Liping Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun
- PR China
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