Article
Chemistry, Multidisciplinary
Yi-xin Wang, Jing-hui Zhou, Jun Xiong, Wan-qi Huang, Quan Li, Xue Min, Ming Li
Summary: Two novel metal phosphonate networks based on zoledronic acid were successfully prepared and used as efficient catalysts for the conversion of CO2 gas to cyclic carbonates. The active centers of the catalyst were identified as Lewis acid sites and Bronsted acid sites in the compound structure. Furthermore, the catalyst exhibited good recyclability.
Article
Chemistry, Physical
Chaokun Yang, Xiangning Ma, Meng Li, Tuantuan Yang, Xin Zhao
Summary: In this study, three types of silicon-based catalysts were synthesized and used for the conversion of carbon dioxide (CO2) into cyclic carbonates through the cycloaddition reaction with epoxides. Among these catalysts, Si-ZnBA-1 exhibited the highest catalytic activity due to its highest zinc content. The catalyst showed excellent versatility for various epoxides under different reaction conditions and demonstrated good recycling performance.
Article
Chemistry, Applied
Yutao Tong, Ruihua Cheng, Huan Dong, Boping Liu
Summary: A mesoporous crystalline Salen-COF was synthesized and metalated to Salen-COF-Co catalyst. The catalyst exhibited high reactivity and selectivity in CO2 cycloaddition reactions, enabling the synthesis of cyclic carbonates.
JOURNAL OF POROUS MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Hushan Chand, Priyanka Choudhary, Ashish Kumar, Ajay Kumar, Venkata Krishnan
Summary: A metal-free boron-doped graphitic carbon nitride catalyst has been developed for effective conversion of CO2 to cyclic carbonates under solvent-free conditions, showing a maximum yield of 99% with a turnover number of 173. The catalyst possesses acid-base dual functionality and detailed optimization studies have been conducted to find the best doping content and conditions. The catalyst's ease of recovery and excellent recyclability demonstrate its sustainability and versatility for selective and efficient conversion of CO2.
JOURNAL OF CO2 UTILIZATION
(2021)
Article
Chemistry, Multidisciplinary
Fatemeh Niknam, Vito Capaccio, Magdalena Kleybolte, David H. Lamparelli, Malte Winnacker, Giulia Fiorani, Carmine Capacchione
Summary: In this study, four new mononuclear Cr(III) complexes bearing [OSSO]-type bis-thioether-diphenolate ligands were synthesized and characterized. These complexes, in combination with PPNCl, were found to promote the coupling of CO2 with epoxides, leading to the selective formation of either polycarbonate or cyclic carbonate depending on the substrate and reaction conditions.
Article
Chemistry, Multidisciplinary
Yiying Pang, Bowei Wang, Xiaoyi Gu, Huawei Shen, Xilong Yan, Yang Li, Ligong Chen
Summary: A novel hydroxy-rich covalent organic framework was synthesized and used as an efficient heterogeneous catalyst for the reaction of CO2 with epoxides, showing excellent stability and catalytic activity.
Article
Chemistry, Inorganic & Nuclear
Hua-Qing Yin, Ming-Yang Cui, Hao Wang, Yuan-Zhao Peng, Jia Chen, Tong-Bu Lu, Zhi-Ming Zhang
Summary: Carbon dioxide cycloaddition into fine chemicals is a promising technology for solving energy crisis and environmental issues. This study investigates the effects of metal type on the performance of CO2 cycloaddition using isostructural MOF-919-Cu-Fe and MOF-919-Cu-Al as models. The results reveal that MOF-919-Cu-Fe with exposed Fe and Cu Lewis acid sites exhibits significantly higher conversion and selectivity compared to MOF-919-Cu-Al. The mechanism suggests that the exposed Fe3+ sites facilitate the ring opening of epoxide and CO2 activation, promoting the CO2 cycloaddition reaction.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Yi Liu, Jinya Li, Zhengkun Zhang, Yabin Hou, Li Wang, Jinglai Zhang
Summary: Considerable attention has been focused on the development of catalysts for the coupling reaction of carbon dioxide (CO2) and epoxides due to the distinct advantages and importance of this reaction. The study reports a new heterogeneous catalyst, MIL101-ImEtOH, for the cycloaddition of CO2 and styrene oxide, which exhibits high activity under moderate conditions.
INORGANIC CHEMISTRY
(2022)
Review
Energy & Fuels
Tapan K. Pal, Dinesh De, Parimal K. Bharadwaj
Summary: Gaseous CO2 has attractive properties as a C1 chemical source, but its high concentration in the atmosphere leads to global warming. Fixation of CO2 is important for both environmental concerns and production of valuable chemicals. Metal organic frameworks (MOFs) have shown excellent catalytic performance for CO2 fixation.
Article
Chemistry, Inorganic & Nuclear
Pooja Rana, Bhawna Kaushik, Rashmi Gaur, Sriparna Dutta, Sneha Yadav, Kanika Sotanki, Bhavya Arora, Ankush Biradar, Manoj B. Gawande, R. K. Sharma
Summary: This work presents a noble metal free heterogeneous photocatalyst that enables direct functionalization of (het)arenes and solvent-free CO2 capture at room temperature and under pressure. The photocatalyst, based on Earth-abundant cobalt(iii), exhibits fascinating properties and shows high efficiency for selective conversions of aryldiazonium salts and carbon dioxide to valuable chemicals.
DALTON TRANSACTIONS
(2022)
Article
Chemistry, Multidisciplinary
Sabuj Kanti Das, Anirban Ghosh, Sudip Bhattacharjee, Avik Chowdhury, Partha Mitra, Asim Bhaumik
Summary: Metal-organic frameworks (MOFs) show high efficiency in CO2 fixation reactions, with La-5-SIP-MOF demonstrating high catalytic activity and structural stability for synthesizing cyclic carbonates at room temperature and low pressure.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Fuad O. Usman, Achyut R. Gogoi, Jason C. Mixdorf, Osvaldo Gutierrez, Hien M. Nguyen
Summary: In this study, an enantioselective synthesis of 1,2-disubstituted allylic fluorides using a chiral diene-ligated rhodium catalyst was reported. Kinetic studies and calculations were conducted to investigate the molecular structure and reaction kinetics of the formation process of 1,2-disubstituted allylic fluorides. The reaction selectivity and yield of the construction process of 1,2-disubstituted allylic fluorides were also identified.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Irene Contento, David Hermann Lamparelli, Antonio Buonerba, Alfonso Grassi, Carmine Capacchione
Summary: The newly developed family of chromium complexes can be used for the cycloaddition of epoxides with CO2, showing high activity and selectivity for the synthesis of cyclic carbonates.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Chemistry, Applied
Xiaofeng Zhang, Bo Qiu, Yu Zou, Shimin Wang, Wenpeng Mai, Yi Cao, Yanwei Wang, Jian Chen, Tao Li
Summary: This study developed a new method to synthesize conjugated microporous polymers with excellent CO2 capture performance, and successfully prepared a heterogeneous catalyst with a turnover frequency of up to 250 h-1 at room temperature for the reaction of coupling epoxides with CO2 to form cyclic carbonates. The research provides an efficient strategy for the conversion of carbon dioxide with industrial and economic value.
MICROPOROUS AND MESOPOROUS MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Reza Khalifeh, Zeinab Zarei, Maryam Rajabzadeh
Summary: A reusable, eco-friendly, efficient nanocatalyst, Fe3O4/HT-IM, was successfully synthesized and used in the chemical fixation reaction of carbon dioxide for cyclic carbonates preparation under mild and green conditions without using any metal, toxic reagents, or solvents. The catalyst has acidic-basic sites that can accelerate the ring-opening of the epoxy ring and CO2 incorporation simultaneously, making it suitable for industrial purposes and capable of being reused multiple times without significant loss in catalytic performance.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Engineering, Chemical
N. Subasree, J. Arockia Selvi, Renjith Sasimohanan Pillai
Summary: The corrosion inhibiting effect of three phosphonium containing ionic liquids with different alkyl chain lengths on mild steel in 1 M HCl medium was evaluated. The inhibition performance was studied using multiple methods and a protective layer was confirmed. Theoretical calculations and experimental results showed the inhibition ability of the ionic liquids, with HDTPPB exhibiting the strongest corrosion inhibition.
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Rakesh Nirmalkar, E. Suresh, N. Felix, A. Kathirvelpandian, Mir Ishfaq Nazir, Amit Ranjan
Summary: This study focuses on the green synthesis of iron nanoparticles using plant extracts and investigates their properties and applications. Results showed that iron nanoparticles were successfully synthesized using Sargassum wightii extract, and the nanoparticles had negative and positive charges. Feeding the nano-iron supplemented diet to Etroplussuratensis fingerlings significantly improved their growth and serum biochemical profile.
BIOLOGICAL TRACE ELEMENT RESEARCH
(2023)
Article
Nanoscience & Nanotechnology
Parth Patel, Unnati Patel, Bhavesh Parmar, Abhishek Dadhania, Eringathodi Suresh
Summary: Developing a novel heterogeneous catalyst for regioselective ring-opening reactions of spiro-epoxyoxindoles has significant importance in the pharmaceutical industry. In this study, a chiral-phase pure Zn-based metal-organic framework (MOF) was synthesized and shown to efficiently catalyze the formation of beta-alkoxy/beta-hydroxy alcohols. The catalyst exhibited excellent activity and stability, and the catalytic products were confirmed by single-crystal X-ray diffraction (SXRD) analysis.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Silda Peters, E. Varathan, Renjith S. Pillai
Summary: This study investigated the flexibility of a metal-organic framework (MOF) material and found that it undergoes structural changes when adsorbing gas molecules. The mechanism behind this flexibility is still unclear. Using molecular dynamics (MD) and Monte Carlo (MC) simulations, the ALFFIVE-Ni-pyr-TBP MOF was studied and changes were observed during the adsorption process, suggesting potential applications in future adsorption.
Article
Chemistry, Multidisciplinary
Brijesh Patel, Shilpa Dabas, Parth Patel, Saravanan Subramanian
Summary: One of the fundamental aims in catalysis research is to understand the factors that contribute to the superior performance of a certain scaffold as a catalyst. In this study, a simple and scalable electrostatically tuned phenol (ETP) was used as an organic catalyst for the transfer hydrogenation of N-arenes. The charged environment plays a crucial role in the catalytic transformation, and the biomimetic catalyst showed promising catalytic activity.
Article
Chemistry, Physical
Kinjal B. Patel, Bhavesh Parmar, Krishnan Ravi, Rajesh Patidar, Gopala Ram Bhadu, Jayesh C. Chaudhari, Divesh N. Srivastava
Summary: This research develops an efficient bifunctional electrocatalyst for both hydrogen and oxygen reactions. Through simple pyrolysis of a nickel-based metal organic framework at temperatures of 600, 700, and 800 ℃, three bifunctional electrocatalysts, Ni@NCS-600, Ni@NCS-700, and Ni@NCS-800, were prepared. Among them, Ni@NCS-800 exhibits extremely low overpotential and shows high catalytic activity comparable to precious state-of-the-art catalysts (RuO2 and Pt/C).
APPLIED SURFACE SCIENCE
(2023)
Article
Fisheries
M. Anjusha, S. Prakash, A. Kathirvelpandian, M. Sakthivel, N. Kalaiselvi, E. Suresh
Summary: This study aimed to assess the repeatability and phenotypic correlation of reproductive traits in captive zebrafish. Breeding trials were conducted on 10 breeding pairs, and data on fecundity, fertility, hatchability, and survival rate were recorded. The results showed moderate repeatability values for most reproductive traits, except for the hatchability of fertilised eggs. The phenotypic correlation analysis indicated significant correlations between fertility and hatchability of fertilised eggs, hatchability of total eggs, survival rate of total eggs, and survival rate of larvae.
INDIAN JOURNAL OF FISHERIES
(2023)
Article
Chemistry, Multidisciplinary
Partha Pratim Mondal, Devaraj Muthukumar, Shifna K. P. Fathima, Renjith S. Pillai, Subhadip Neogi
Summary: Metal-organic frameworks (MOFs) can be used for environmental remediation and the design of smart materials by combining structural diversity and task-specific sites. In this study, a urea-functionality-grafted Co(II)-framework (UMOF) was developed, which showed selective fluorescence quenching for organic and inorganic pollutants. Density functional theory calculations provided mechanistic insights into the fluorescence quenching.
CRYSTAL GROWTH & DESIGN
(2023)
Article
Chemistry, Inorganic & Nuclear
Nilanjan Seal, Athulya S. Palakkal, Renjith S. Pillai, Subhadip Neogi
Summary: A multifaceted metal-organic framework (MOF) with contrasting functionalities has been developed for capturing CO2 under high-temperature and moisture-tolerant conditions, and for detecting organoarsenic compounds in water using ultra-sensitive fluorosensing.
INORGANIC CHEMISTRY
(2023)
Article
Materials Science, Multidisciplinary
Bharathi Kannan Raja, Abigail Philips, Sanmugapriya Ravi, Monisha Ravi, Athulya S. Palakkal, Renjith S. Pillai, Gopal Chandru Senadi, J. Arockia Selvi
Summary: In this study, aza-heterocyclic compound 3-phenylquinazolin-4(3H)-one (3pq) was synthesized using a renewable biomass source, and its structure was confirmed using 1H NMR, 13C NMR, and FT-IR spectroscopic techniques. The inhibitory activity of 3pq against corrosion of MS in 1 N HCl solution was examined using weight loss measurements, potentiodynamic polarization study, and electrochemical impedance spectroscopy. Various characterization techniques such as SEM, AFM, UV-Vis, XPS, and FTIR were employed to analyze the surface morphology, formation of a protective film, complex formation, and effective adsorption of 3pq on the MS surface. Computational studies based on DFT were also conducted to investigate the adsorption ability of 3pq on the MS surface.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Nanoscience & Nanotechnology
Nilanjan Seal, Partha Pratim Mondal, Athulya S. Palakkal, Renjith S. Pillai, Subhadip Neogi
Summary: This study presents a stimuli-responsive emission color modulation in fluorescent metal-organic frameworks (MOFs) for luminescence-ink-based security application and ultralow detection of harmful organo-aromatics. The chemically stable MOF demonstrated a self-calibrated fluoro-switch between encrypted and decrypted states, and its intense fluorescence was utilized in the selective and quick responsive sensing of harmful feed additives. The ultrasensitive fluoro-detection of these organo-toxins was successfully demonstrated via a handy paper-strip method as well as on the vegetable surface for real-time monitoring.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
D. Muthukumar, Athulya S. Palakkal, Renjith S. Pillai
Summary: In this study, a new type of square-pillared metal organic framework (MOF) was proposed for the selective capture and conversion of acidic gases into useful chemicals. The adsorption performance of the framework was investigated using simulation methods, and it was found to have higher affinity towards certain acidic gases. Furthermore, under humid conditions, the framework exhibited good adsorption capacity for various acidic gases. Through further theoretical investigations, it was discovered that the adsorbed acidic gases can undergo cyclo-addition reactions with specific molecules to produce useful chemicals.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
D. Muthukumar, C. M. Nagaraja, Michael Badawi, Renjith Pillai
Summary: The capture and conversion of SO2 and NO2 using a novel 3D metal-organic framework have been investigated through DFT and GCMC simulations. The selectivity of the framework for removing trace amounts of SO2 and NO2 in flue gases has been estimated, and the plausible mechanisms for the catalyzed reactions have been studied using the CI-NEB method.
NEW JOURNAL OF CHEMISTRY
(2023)
Proceedings Paper
Materials Science, Multidisciplinary
Jagriti Behal, Minaxi S. Maru, Parth Patel, Raksha Saini
Summary: Iron and cobalt-doped chromium oxide nanoparticles were successfully synthesized and characterized. The nanoparticles exhibited small particle size and spherical shape, and showed promising catalytic activity in the synthesis of sulfoxide.
MATERIALS TODAY-PROCEEDINGS
(2022)
Article
Chemistry, Physical
Ming-Yi Chen, Ngoc Thanh Thuy Tran, Ahmed Abubakar Alao, Wen-Dung Hsu
Summary: This study demonstrates the significance of surface Pt atom arrangement for the efficiency of ORR in PEMFCs and reveals the correlation between Pt-Pt average distance and O2 dissociation barrier. Furthermore, the study discovers a robust correlation between the level of the catalyst's d-band center and O2 adsorption energy. High-entropy alloy substrates provide potential for controlling Pt arrangement and O2 dissociation barrier.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Eduardo C. Atayde Jr, Babasaheb M. Matsagar, Yu-Cheng Wang, Kevin C. -W. Wu
Summary: This study presents the first application of an acidic MOF, Sulfated MOF-808, in catalyzing the HAA reactions of furan oligomers for the production of biofuel precursors. The catalyst showed high yield, selectivity, and recyclability, making it versatile for different starting materials.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Maria do Carmo Rangel, Francieli Martins Mayer, Soraia Jesus de Oliveira, Sergio Gustavo Marchetti, Fabricio Luiz Faita, Doris Ruiz, Giovanni Saboia, Mariana Kieling Dagostini, Jonder Morais, Maria do Carmo Martins Alves
Summary: This study developed a new catalyst by investigating the effect of magnesium on the catalytic properties of hematite in ethylbenzene dehydrogenation. The catalyst showed important differences in activity, selectivity, and stability, making it a promising candidate for commercial applications.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Yanjun Li, Qian Wang, Hui Tian, Mingyuan Zhu, Yuanyuan Liu
Summary: A novel strategy using microwave-assisted precipitation was proposed to prepare defective CsH3PMo11VO40 catalyst for the oxidation of methacrolein to methacrylic acid. Microwave treatment accelerates crystallization, increases vanadyl species content, and forms defective Keggin structures, thereby enhancing the oxidation capacity of the catalyst.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Rajeshwari Athavale, Sailee Gardi, Fatima Choudhary, Dayanand Patil, Nandkishor Chandan, Paresh More
Summary: In this study, a novel acidic ionic liquid catalyst was prepared and used for the synthesis of bis-indolyl methane derivatives. The catalyst exhibited short reaction times, easy purification, and reusability.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Masatomo Hattori, Takato Hattori, Masakuni Ozawa
Summary: Cu-added gamma-Al2O3 catalysts were prepared with varying Cu loadings and the effects of copper oxidation states on catalytic activity were investigated. The results showed that the addition of copper increased the catalyst activity, but excessive copper loading decreased catalytic activity. XRD and TEM analysis indicated the formation of a solid solution of copper oxide species on the surface of gamma-Al2O3. XAS and TPR data demonstrated variations in copper oxidation states among the catalysts.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Liwei Fang, Shiyang Niu, Shengsen Wang, Yiqing Lu, Yuanhui Cheng
Summary: In this study, PtNi alloy on nitrogen-doped carbon and SnO2 dual-support was designed to modulate the metal-support interaction, resulting in improved catalytic activity and stability for oxygen reduction reaction. The SnO2/PtNi/NC catalyst exhibited a strongly coupled interface, enhanced electron transfer, and higher half-wave potential compared to PtNi/NC and commercial Pt/C.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Shohei Harada, Duanxing Li, Kenta Iyoki, Masaru Ogura
Summary: This study investigates the catalytic performance of a composite catalyst composed of ZnZrOX and H-zeolite for the hydrogenation of CO2. The deactivation of the composite catalyst is influenced by ion exchange of Zn2+ and/or coke, with their effects differing based on the zeolite structure. Separating the grains of the composite catalyst can prevent deactivation.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Laura Proano, Christopher W. Jones
Summary: In this study, NiGa alloy particles supported on CeO2, ZrO2, and ZrO2-CeO2 solid solutions were prepared and characterized. The nature of the support was found to have a significant influence on the catalyst's activity and selectivity, with the crystalline structure of ZrO2 having the greatest impact. Pure ZrO2 showed the highest methanol selectivity and CO2 conversion at high Zr:Ce ratios. In equimolar and Ce-rich conditions, basic sites and oxygen vacancies were found to be the key parameters affecting methanol production.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Liyan Zhang, Yinze Yang, Leilei Zhou, Fengyu Zhao, Haiyang Cheng
Summary: 1,6-Hexamethylenediamine was successfully synthesized via the reductive amination of 1,6-hexanediol using a Ru/PRL(x)-Al2O3 catalyst. The highly dispersed and anchored Ru species, formed by 1,10-phenanthroline (PRL), played a crucial role in the catalytic reaction. The formation of new acid-base pairs, electron deficient Ru species, and smaller nanoparticles contributed to the improved catalytic performances of the Ru/PRL-Al2O3 catalyst.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Anita Horvath, Miklos Nemeth, Andrea Beck, Gyorgy Safran, Valeria La Parola, Leonarda Francesca Liotta, Gregor Zerjav, Matevz Roskaric, Albin Pintar
Summary: This study investigates the catalytic and structural changes caused by the addition of 0.25 wt% indium in a 3% Ni/CeO2-Al2O3 catalyst prepared by impregnation method. The results show that the addition of indium can decrease the activity of the catalyst, but it improves its stability and reduces coking.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Ankush Kularkar, Vaibhav Vilas Khedekar, Sachin D. Chaudhari, Mudavath Ravi, Sadhana S. Rayalu, Penumaka Nagababu
Summary: Efficiently addressing the challenges of photocatalytic CO2 reduction to CH3OH is crucial. This study developed Zn-BTC MOF and its composites with CaIn2S4, achieving highly efficient and robust photocatalytic CO2 reduction to CH3OH under ambient conditions, using H2O2 as the hydrogen source. Among the composites, ZMCIS4 demonstrated excellent performance with a CH3OH evolution of 49100 μmol/g.cat and a quantum efficiency of approximately 78.41%. The enhanced performance was attributed to the production of nascent hydrogen atoms (H center dot) through the photo-splitting of H2O2 on the ZMCIS surface.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Dan Liu, Yudong Li, Chengyu Wang, Haiyue Yang, Rong Wang, Shujun Li, Xiaohui Yang
Summary: In this study, a self-supporting three-dimensional porous Co3O4 nanobelt array decorated on nickel foam (P-Co3O4 -NBA@NF) electrode with numerous active sites was successfully constructed for the oxidation of 5-Hydroxymethylfurfural (HMF) to 2,5-furan dicarboxylic acid (FDCA). The P-Co3O4 -NBA@NF electrode demonstrated high conversion efficiency, selectivity, and Faraday efficiency, as well as remarkable long-term stability. This research provides a promising electrocatalyst for biomass conversion.
APPLIED CATALYSIS A-GENERAL
(2024)
Article
Chemistry, Physical
Yimin Li, Enggah Kurniawan, Fumiya Sato, Takayoshi Hara, Yasuhiro Yamada, Satoshi Sato
Summary: In this study, several silica-alumina catalysts modified with Ag were examined for the dehydration of 1,3-butanediol to 1,3-butadiene. Among them, an amorphous silica-alumina catalyst (SAL-3) modified with Ag showed the highest improvement in catalytic activity and stability when operated in H2 flow. The generation of reversible acid sites was found to be the reason behind the enhanced activity and stability of this Ag/SAL-3 catalyst. The effects of various parameters on the catalytic activity of Ag/SAL-3, such as reaction temperature, contact time, Ag content, and carrier gas, were investigated.
APPLIED CATALYSIS A-GENERAL
(2024)
