Article
Green & Sustainable Science & Technology
Zhang Lei, Shu Hao, Wang Yusu, Jia Yang
Summary: This paper investigates the catalytic removal of xylene using a composite catalyst with nickel foam as the carrier and goethite as the active component under low-temperature plasma conditions. The results show a high removal efficiency and selectivity. Additionally, the technology efficiently degrades xylene and produces environmentally friendly end products.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Geochemistry & Geophysics
Zhongkuan Wu, Tingting Zhang, Bruno Lanson, Hui Yin, Dong Cheng, Peng Liu, Feng He
Summary: Goethite and pyrite are common iron minerals that serve as major reservoirs for Nickel, a bio-essential element, in oxic or anoxic environments. The transformation between goethite and pyrite is frequent in sulfate-rich environments due to the alternation of oxic and anoxic conditions. Although this mineral transformation has been extensively studied, the influence of Ni on the transformation and its fate remain poorly understood.
GEOCHIMICA ET COSMOCHIMICA ACTA
(2023)
Article
Environmental Sciences
Yanxiu Guo, Liangguo Yan, Xuguang Li, Tao Yan, Wen Song, Tailei Hou, Caili Tong, Junli Mu, Meng Xu
Summary: The study investigates the application of a novel goethite/biochar composite as an activator for tetracycline degradation in sulfate radical based AOPs. The catalytic efficiency of goethite/biochar is achieved through both radical and non-radical processes, with carbonyl group and Fe species identified as the main active sites. The study also proposes a reasonable degradation pathway for tetracycline based on the analysis of by-products and molecular structure.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Geochemistry & Geophysics
Karmina A. Aquino, Carlo A. Arcilla, Christian Schardt, Carmela Alen J. Tupaz
Summary: The study found that the nickel laterite profile at the Sta. Cruz nickel laterite deposit consists of two main zones - the limonite and saprolite zones separated by a transitional zone. Based on mineral assemblage and major element chemistry, these main zones are further subdivided into subzones including upper limonite, lower limonite, transitional zone, upper saprolite, and lower saprolite. Investigation also revealed the structure of goethite within the limonite zone, showing that the crystallinity of goethite decreases with increasing Ni content and crystallite size.
Article
Engineering, Environmental
Xiaoying Chen, Run Zhuan, Jianlong Wang
Summary: The study found that ionizing radiation combined with Fenton-like oxidation can effectively enhance the degradation and mineralization of norfloxacin. The removal efficiency of norfloxacin is significantly influenced by pH and inorganic anions. In the presence of peptone, glucose, and humic acid, the degradation efficiency of norfloxacin decreases significantly.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Review
Chemistry, Physical
Jose de Jesus Trevino-Resendez, Alejandro Medel, Yunny Meas
Summary: This review focuses on recent developments in electrochemical technology (with special emphasis on electrocoagulation, electro-oxidation, and electro-Fenton) to treat petroleum industry effluents, including offshore and hydraulic fracturing extraction, as well as refinery effluents. Additionally, an overview is given of the challenges these processes face in becoming consolidated technologies.
CURRENT OPINION IN ELECTROCHEMISTRY
(2021)
Article
Microbiology
Na Jiang, Yiqing Feng, Qiang Huang, Xiaoling Liu, Yuan Guo, Zhen Yang, Chao Peng, Shun Li, Likai Hao
Summary: This study investigated the mineralization process of neutrophilic Fe(II)-oxidizing bacteria under circumneutral pH conditions and found that pH has a significant impact on the growth and mineralization of iron-oxidizing bacteria. The study provides insights into manipulating microbial iron oxidation for facilitating heavy metal remediation in the environment.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Mahmood Sharifitabar, Samira Khorshahian, Mahdi Shafiee Afarani, Pravin Kumar, Neelesh Kumar Jain
Summary: The high-temperature oxidation behavior of Inconel 625 superalloy manufactured by the wire arc additive manufacturing (WAAM) technique was investigated. The results showed the formation of specific phases on the alloy surface at high temperatures, along with the growth kinetics of the oxide layer.
Article
Metallurgy & Metallurgical Engineering
Marcelle de Fatima da Silva, Mateus Rodrigues de Sousa Oliveira, Iranildes Daniel dos Santos, Patricia Radino-Rouse, Marcelo Borges Mansur
Summary: A two-step closed circuit system was developed for practical iron removal from sulfuric acid leach liquors. The system effectively reduced nickel and cobalt losses while achieving high iron removal rates. By treating the iron-rich liquors in two separate steps with different reagents, metal losses were minimized. The experimental results showed that controlling the pH of the leach liquor and using suitable reagents can significantly reduce metal losses and increase iron removal efficiency.
MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW
(2022)
Article
Chemistry, Multidisciplinary
Amani M. Bamuqaddam, Saba A. Aladeemy, Mohamed A. Ghanem, Abdullah M. Al-Mayouf, Nouf H. Alotaibi, Frank Marken
Summary: This study demonstrates the chemical synthesis of two-dimensional mesoporous nickel/nickel (II) hydroxide nanoflakes and their high electrocatalytic activity for methanol oxidation.
Article
Multidisciplinary Sciences
Song Mi Lee, Seon Ho Lee, Doo-Hwan Jung
Summary: Surface oxidation of petroleum pitch can significantly increase the specific surface area and mesopore ratio of activated carbon.
SCIENTIFIC REPORTS
(2021)
Article
Chemistry, Physical
Tingting Yue, Yue Shi, Yaxin Ji, Jingchun Jia, Ying Chang, Junxiang Chen, Meilin Jia
Summary: In this study, we developed efficient and stable bifunctional electrocatalysts for MOR and UOR by integrating CeO2 and Ni0.85Se nanoparticles into three-dimensional N-doped carbon nanosheets. By optimizing the selenization temperature, CeO2-Ni0.85Se-550-NC exhibited the best electrochemical performance, requiring low potentials to achieve high catalytic activity. The synergistic effect between CeO2 and Ni0.85Se played a crucial role in the outstanding catalytic performance of CeO2-Ni0.85Se-550-NC.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yu-Jen Shih, Zhi-Shan Chen, Ching-Lung Chen, Yao-Hui Huang, Chin-Pao Huang
Summary: A composite electrode of manganese oxide and iron oxide was synthesized for the oxidation and adsorption of arsenic species. The different materials showed variations in electrochemical performance and adsorption capacity.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Multidisciplinary
Jianan Li, Jili Li, Tao Liu, Lin Chen, Yefei Li, Hualin Wang, Xiurong Chen, Ming Gong, Zhi-Pan Liu, Xuejing Yang
Summary: Urea electrolysis is a promising technology for simultaneous H-2 production and nitrogen suppression in water energy production. However, prevalent nickel-based catalysts may over-oxidize urea into NO2- products, posing potential environmental hazards. Through experiments and calculations, a nitrogen-fate network was derived, leading to the development of a polyaniline-coating strategy to increase N-2 production. These findings offer insights into nitrogen fate in water-energy systems.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Engineering, Environmental
C. Belloni, L. Korving, G. J. Witkamp, E. Bruck, A. I. Dugulan
Summary: Phosphorus (P) removal from freshwater bodies to ultra-low concentrations is crucial for preventing eutrophication, and recovery of phosphorus is necessary for closing the P usage cycle. Iron oxide-based adsorbents, specifically goethite, doped with elements like Zn and Mn showed improved adsorption capacity and stability, while maintaining high affinity for P. Surface protonation was identified as a charge compensation mechanism for Zn2+-for-Fe3+ substitution, which enhanced goethite's point of zero charge. The doping strategy demonstrated promising potential for manipulating iron oxide surface properties and developing efficient goethite-based adsorbents.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Materials Science, Ceramics
Roberto C. da S. Junior, Andre E. Nogueira, Amanda S. Giroto, Juliana A. Torres, Caue Ribeiro, Kisla P. F. Siqueira
Summary: This study demonstrates, for the first time, the potential application of manganese-doped calcium molybdates in the catalytic photoreduction of CO2. Different doping ratios resulted in varied crystalline structures and photocatalytic performances, indicating the influence of doping content and crystal structure on photocatalytic activity.
CERAMICS INTERNATIONAL
(2021)
Article
Microbiology
Rodrigo Klaic, Gelton G. F. Guimaraes, Amanda S. Giroto, Alberto C. C. Bernardi, Teresa C. Zangirolami, Caue Ribeiro, Cristiane S. Farinas
Summary: Intensive fertilization is necessary in current agricultural practices to meet global food demands, with micronutrients playing a crucial role in plant growth but their low solubility limits practical applications.
CURRENT MICROBIOLOGY
(2021)
Article
Agriculture, Multidisciplinary
Stella Fortuna do Valle, Amanda Soares Giroto, Heitor Pontes Gestal Reis, Gelton G. F. Guimaraes, Caue Ribeiro
Summary: The development of smart and eco-friendly fertilizers is crucial for sustainable food security. Phosphate rock and struvite are promising alternatives for phosphorus fertilization, but their solubility presents a challenge for consistent use efficiency. A novel controlled-release fertilizer matrix using a polysulfide obtained via inverse vulcanization shows potential in improving phosphorus solubilization and sulfur availability for plants in soil.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2021)
Article
Multidisciplinary Sciences
Amanda S. Giroto, Stella F. do Valle, Gelton G. F. Guimaraes, Nicolai D. Jablonowski, Caue Ribeiro, Luiz Henrique C. Mattoso
Summary: Nitrogen fertilization is essential for high crop productivity, but the fast solubilization of urea can lead to losses and reduced agronomic efficiency. By modifying urea structure through condensation with formaldehyde and co-formulating with zinc sources, the release rate of nutrients can be controlled to optimize efficiency. The combination of ZnO with urea-formaldehyde has been shown to reduce nitrogen volatilization and increase zinc release, providing beneficial effects for both nutrients.
SCIENTIFIC REPORTS
(2021)
Article
Engineering, Chemical
Roger Borges, Amanda Soares Giroto, Rodrigo Klaic, Fernando Wypych, Caue Ribeiro
Summary: This study proposes an environmentally friendly and cost-effective method for producing potassium calcium phosphates using eggshell waste and KH2PO4 through a solvent-free mechanochemical process, aimed for soil conditioning and providing better nutrient management.
ADVANCED POWDER TECHNOLOGY
(2021)
Article
Environmental Sciences
Roger Borges, Amanda S. Giroto, Gelton G. F. Guimaraes, Heitor P. G. Reis, Cristiane S. Farinas, Caue Ribeiro
Summary: The study investigates an alternative method to treat asbestos-cement materials by loading them with potassium and phosphorus during the milling process. The results show complete elimination of asbestos fibers and slow-release fertilizer properties. The treatment method also maintains lime properties and requires lower doses compared to traditional limestone for similar effects.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Plant Sciences
Stella F. Valle, Amanda S. Giroto, Gelton G. F. Guimaraes, Kerstin A. Nagel, Anna Galinski, Jens Cohnen, Nicolai D. Jablonowski, Caue Ribeiro
Summary: In response to the alarming world population growth and its threat to food security, the development of sustainable fertilizer alternatives becomes urgent. This study examines the use of fertilizer containing a polysulfide matrix with dispersed struvite for improved soybean productivity. The research shows that the composite fertilizer has the potential to enhance biomass and root system development, leading to increased soybean yield.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Engineering, Environmental
Stella F. Valle, Amanda S. Giroto, Rodrigo Klaic, Denise Bevilaqua, Caue Ribeiro
Summary: Porous polysulfide pellets as sulfur fertilizers with higher oxidation surface area are more effective than traditional elemental sulfur fertilizers. Co-application with the oxidizing bacterium A. thiooxidans can improve the release efficiency of sulfate.
JOURNAL OF POLYMERS AND THE ENVIRONMENT
(2022)
Article
Environmental Sciences
Amanda S. Giroto, Stella F. do Valle, Gelton G. F. Guimaraes, Nathalie Wuyts, Benedict Ohrem, Nicolai D. Jablonowski, Caue Ribeiro, Luiz Henrique C. Mattoso
Summary: Agricultural output needs to increase to meet the growing population, and fertilizers, particularly nitrogen, are essential for plant growth. Controlled release fertilizers, along with zinc co-application, can improve nutrient uptake efficiency. An optimized nanocomposite fertilizer based on urea and urea-formaldehyde matrix loaded with zinc oxide or zinc sulfate effectively stimulates maize development and facilitates nitrogen uptake in nutrient-poor conditions. The dispersion of zinc oxide nanoparticles in the matrix enhances zinc delivery. The nanocomposite alters root morphology, increasing root length and surface area, potentially improving soil nutrient uptake and nitrogen release.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Multidisciplinary Sciences
Stella F. Valle, Amanda S. Giroto, Vitalij Dombinov, Ana A. Robles-Aguilar, Nicolai D. Jablonowski, Caue Ribeiro
Summary: Struvite recovered from wastewaters is a sustainable option for phosphorus recovery and fertilization. It can be used as granules to control solubility. In this study, slow-release fertilizers were designed by dispersing struvite particles in a biodegradable and hydrophilic matrix. The results showed that the slow P release of struvite-TPS fertilizers provided enough P for maize growth, achieving desirable agronomic efficiency.
SCIENTIFIC REPORTS
(2022)
Article
Agronomy
Amanda S. Giroto, Gelton G. F. Guimaraes, Vinicius Majaron, Rodrigo Klaic, Waldir Avansi, Caue Ribeiro
Summary: This study investigates the effect of phosphate fertilizer composite on phosphorous fixation in soil through X-ray absorption near edge structure experiments. The results show that a composite formed by dispersing hydroxyapatite into urea can increase maize dry matter production and retain residual phosphorous in the soil without strong bonding to minerals.
COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
(2023)
Article
Materials Science, Multidisciplinary
Stella F. Valle, Amanda S. Giroto, Caue Ribeiro
Summary: Phosphaterock and struvite dispersion in a polysulfide matrix provides a sustainable alternative for phosphorous fertilization, as it can enhance P dissolution and control its release, while also serving as a sulfur fertilizer. The study investigates the permeability mechanism and factors affecting P diffusion from PS composites. The results show that the PS composites exhibit higher P release and availability in soil compared to pure ST.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Engineering, Environmental
Joelma R. C. Sousa, Juliana A. Torres, Amanda S. Giroto, Anna V. P. S. Oliveira, Pedro H. M. Silva, Fabiana L. Santos, Gustavo D. Iga, Caue Ribeiro, Andre E. Nogueira
Summary: This study examines the process of CO2 photoreduction and its significance as a potential solution for reducing carbon emissions. The researchers used the co-precipitation method to create composites of zeolite A and varying mass percentages of CuO. These composites demonstrated good activity and selectivity in converting CO2 to CH4. The presence of Lewis acid and base sites played a crucial role in determining the selectivity, with Lewis base sites favoring the conversion of CO2 to CH4. Increasing the CuO content in the composites led to enhanced selectivity, reaching 100% with ZE/CuO10%. The study also found that the presence of both Lewis acid and base sites facilitated the formation of valuable chemicals such as ethylene, methanol, and acetic acid.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Agriculture, Multidisciplinary
Heitor Pontes Gestal Reis, Amanda Soares Giroto, Gelton Geraldo Fernandes Guimaraes, Fernando Ferrari Putti, Paulo Sergio Pavinato, Ana Paula Teles, Caue Ribeiro, Dirceu Maximino Fernandes
Summary: The study finds that the use of nanoparticulated fertilizers can improve phosphate efficiency and prevent its loss to the environment. It also shows that traditional fertilizers provide more phosphorus for plant uptake compared to nanocomposites, but the release of nutrients from nanocomposites is better adjusted to plants' needs, resulting in better phosphorus use efficiency.
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
(2022)
Article
Agriculture, Multidisciplinary
Roger Borges, Anne Raquel Sotiles, Amanda Soares Giroto, Gelton Geraldo Fernandes Guimaraes, Fernando Wypych, Nicolai David Jablonowski, Caue Ribeiro
Summary: This study demonstrates a simple mechanochemical method to convert elemental sulfur to bio-absorbable oxidized forms, increasing its plant bioavailability. In greenhouse trials, this method showed efficient sulfur and potassium fertilization effects.
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
(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)
