Michel Z. Fidelis , Ana S.G.G. dos Santos , Elaine T. de Paula , Giane G. Lenzi , Olivia S.G.P. Soares , Onelia A.B. Andreo
{"title":"Nb2O5/MWCNT nanocomposites for the degradation of ibuprofen via photocatalysis and catalytic ozonation","authors":"Michel Z. Fidelis , Ana S.G.G. dos Santos , Elaine T. de Paula , Giane G. Lenzi , Olivia S.G.P. Soares , Onelia A.B. Andreo","doi":"10.1016/j.catcom.2024.106853","DOIUrl":"10.1016/j.catcom.2024.106853","url":null,"abstract":"<div><p>Growing concerns regarding the inefficient degradation of persistent pollutants, such as ibuprofen, in water necessitate the development of advanced treatment methods. Nb<sub>2</sub>O<sub>5</sub>, with its properties resembling those of TiO<sub>2</sub>, emerges as a promising alternative catalyst for advanced catalytic treatments. In this work, we demonstrate the exceptional catalytic ozonation and photocatalysis performance of Nb<sub>2</sub>O<sub>5</sub>/MWCNT nanocomposites synthesized via three sol-gel methods. These composites achieve complete ibuprofen degradation within 30 min, outperforming conventional catalysts and ozonation alone due to their enhanced surface area and synergistic interactions. Nb<sub>2</sub>O<sub>5</sub>/MWCNT presents a compelling solution, offering an efficient and sustainable approach to water purification.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106853"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S156673672400013X/pdfft?md5=ab9ca986c87c77fdf87916d6e5b3ee61&pid=1-s2.0-S156673672400013X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139508791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhi-Gang Hu , Lichun Li , Shui-Bao Yu , Zhengfei Chen , Jian-Quan Weng
{"title":"Rational design of aqueous tertiary amine solvent for integrated CO2 capture and hydrogenation","authors":"Zhi-Gang Hu , Lichun Li , Shui-Bao Yu , Zhengfei Chen , Jian-Quan Weng","doi":"10.1016/j.catcom.2024.106866","DOIUrl":"10.1016/j.catcom.2024.106866","url":null,"abstract":"<div><p>Several tertiary amine solutions with different structures were tested in the integrated CO<sub>2</sub> capture and hydrogenation process in the presence of heterogeneous Pd/NAC catalysts. The tertiary amines of 3-dimethylamino-1,2-propanediol (3DMA-1,2-PD) and 3-diethylamino-1,2-propanedio (3DEA-1,2-PD) with high CO<sub>2</sub> absorption capacity and high formate yield were selected as suitable candidates as CO<sub>2</sub> capture and hydrogenation solvents. Under mild reaction conditions, a high formate yield of 68% was achieved when using 1 M 3DMA-1,2-PD solution with CO<sub>2</sub> loading of 0.5 mol amine/mol CO<sub>2</sub>. In addition, the physico-chemical properties of the Pd/NAC catalysts were examined and the reaction mechanism of CO<sub>2</sub> absorption and hydrogenation in the presence of Pd/NAC was proposed.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106866"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000268/pdfft?md5=ace34ef62977b9eda90adeb368a262e3&pid=1-s2.0-S1566736724000268-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139886909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fatemeh Mehdipour , Tim Delrieux , Florian Maurer , Jan-Dierk Grunwaldt , Christoph Klahn , Roland Dittmeyer
{"title":"Opportunities and limitations of metal additive manufacturing of structured catalytic converters","authors":"Fatemeh Mehdipour , Tim Delrieux , Florian Maurer , Jan-Dierk Grunwaldt , Christoph Klahn , Roland Dittmeyer","doi":"10.1016/j.catcom.2024.106873","DOIUrl":"10.1016/j.catcom.2024.106873","url":null,"abstract":"<div><p>Utilising additive manufacturing (AM), reactors with composite structures, featuring locally tuned geometries and controlled porosity, can effectively be employed in chemical reactions. This innovation yields enhancements in flow and transport properties across both axial and transverse dimensions. Integrating structured catalysts with AM offers great potentials, albeit faces notable challenges. A significant challenge is scarce availability of suitable high-temperature materials for AM of catalytic converters. Furthermore, ensuring optimal adhesion and chemical interactions between catalyst systems and printed materials necessitates detailed investigations. This paper examines advantages and challenges associated with AM of structured catalytic converters, employing emission control systems as an illustration.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106873"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000335/pdfft?md5=d86cddd8913c09a921093501f5022e8c&pid=1-s2.0-S1566736724000335-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139887058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Greenly synthesised NCF-LDH as a sustainable electrocatalyst for oxygen evolution reaction with low cell voltage","authors":"Bakthavachalam Vishnu, Sundarraj Sriram, Jayaraman Jayabharathi","doi":"10.1016/j.catcom.2024.106878","DOIUrl":"10.1016/j.catcom.2024.106878","url":null,"abstract":"<div><p>The advancement of extremely effective and long-lasting sustainable electrocatalysts developed from abundant earth elements is an emergence aspect in green energy generation. The greenly synthesised NCF-LDH has been shown that promising candidate for the OER process. Mechnochemical processes are often quick, inexpensive, and easily scalable to produce industrial quantities. In comparison with IrO<sub>2</sub> (370 mV), the optimum NCF-LDH-X on GC electrode showed the modest required overpotential (240 mV) at 10 mA cm<sup>−2</sup>. Solar-assisted water oxidation at 1.57 V shows more expert efficacy of NCF-LDH-2 for solar to hydrogen generation. As an outcome, the greenly synthesised NCF-LDH outperformed the high-priced electrocatalysts. Consequently, low-cost industrial-scale H<sub>2</sub> generation using commercial solar cells might be possible.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106878"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000384/pdfft?md5=4d757816641ea0714ac06024d9173198&pid=1-s2.0-S1566736724000384-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139924444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lorena Gudiño, Manuel Peñas-Garzón, Juan J. Rodriguez, Jorge Bedia, Carolina Belver
{"title":"Photochemical transformation of UiO-66-NH2 during hydrogen generation under solar irradiation","authors":"Lorena Gudiño, Manuel Peñas-Garzón, Juan J. Rodriguez, Jorge Bedia, Carolina Belver","doi":"10.1016/j.catcom.2024.106858","DOIUrl":"10.1016/j.catcom.2024.106858","url":null,"abstract":"<div><p>This work reports for the first time the photochemical transformation suffered by the UiO-66-NH<sub>2</sub> MOF during hydrogen production under solar irradiation using different scavengers. Triethanolamine caused the complete dissolution of the MOF, while Na<sub>2</sub>S/Na<sub>2</sub>SO<sub>3</sub> transformed the UiO-66-NH<sub>2</sub> into a novel Zr-based material characterized by an amorphous structure with a production rate of 0.439 μmol H<sub>2</sub>·g<sub>cat</sub><sup>−1</sup>·h<sup>−1</sup>. The MOF-derived material maintained its performance during long-term on-stream experiments thanks to the electron transfer from the sulfide/sulfite ions to the valence band of the photocatalyst. However, significant doubts about the stability of UiO-66NH<sub>2</sub> and other MOFs in the photocatalytic generation of hydrogen are arisen.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106858"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000189/pdfft?md5=37d80d2d01a5ffe2798f585c5847a3c5&pid=1-s2.0-S1566736724000189-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139578071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Faisal M. Alotaibi , Lianhui Ding , Husin Sitepu , Qasim Saleem , Donya A. Alsewdan , Anaam Shaikh Ali , Sakinah I. Bin Hamad , Meshary H. Alotaibi , Mohammad F. Aljishi
{"title":"A facile synthesis of hierarchical Nanosized zeolite Beta and its application in direct crude oil hydrocracking","authors":"Faisal M. Alotaibi , Lianhui Ding , Husin Sitepu , Qasim Saleem , Donya A. Alsewdan , Anaam Shaikh Ali , Sakinah I. Bin Hamad , Meshary H. Alotaibi , Mohammad F. Aljishi","doi":"10.1016/j.catcom.2024.106871","DOIUrl":"10.1016/j.catcom.2024.106871","url":null,"abstract":"<div><p>This study focuses on the synthesis of hierarchical nano-sized beta zeolites that exhibit enhanced catalytic properties through zeolite particle size reduction (to <80 nm) and the introduction of mesopores inside and between particles to improve diffusion of large molecules. The zeolites were produced by desilication and with template-including nano-sized beta as starting material. The samples were characterized by BET, XRD, XRF, solid-state NMR, TG-DTA, and NH<sub>3</sub>-TPD. Our method uses a shortened synthesis process to yield zeolites with higher surface area, pore volume (>1.0 ml/g), and stronger acidity that those developed by other methods. The zeolite reaction performances were evaluated in crude oil hydrocracking under commercial hydrocracker operating conditions in a pilot plant unit. The testing results showed that the catalyst including the hierarchical nanosized zeolite beta had much higher heavy oil conversion activity and naphtha selectivity.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106871"},"PeriodicalIF":3.7,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000311/pdfft?md5=b136c186b371b0bd04cb8ceea4c2c6ac&pid=1-s2.0-S1566736724000311-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139812360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An insight into the catalytic properties and process optimization of Fe, Ni doped eggshell derived CaO for a green biodiesel synthesis from waste chicken fat","authors":"Rabiah Amal , Ruba Nadeem , Azeem Intisar , Hifza Rouf , Dilawar Hussain , Rehana Kousar","doi":"10.1016/j.catcom.2024.106848","DOIUrl":"10.1016/j.catcom.2024.106848","url":null,"abstract":"<div><p>The basic theme of the current research work is based on the utilization of waste materials to produce environmentally friendly energy, i.e., waste + waste = energy. Efficacious and recyclable eggshell derived CaO, and transition metal doped CaO i.e. Fe-CaO, and Ni-CaO catalysts were used to synthesize biodiesel from chicken fat as a potential source of bioenergy. The synthesized catalysts were examined using a variety of analysis methods, such as FTIR, SEM, and XRD. Single step transesterification process gave 83% biodiesel yield using Fe-CaO. The characteristics of synthesized biodiesel were compared with international standards (ASTM6751 and EU14214).</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106848"},"PeriodicalIF":3.7,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000086/pdfft?md5=19106229bdb1f09c21274f1d3db6eeba&pid=1-s2.0-S1566736724000086-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139499427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Khaoula Hkiri , Hamza Elsayed Ahmed Mohamed , Naomi Harrisankar , Alain Gibaud , Eric van Steen , Malik Maaza
{"title":"Environmental water treatment with green synthesized WO3 nanoflakes for cationic and anionic dyes removal: Photocatalytic studies","authors":"Khaoula Hkiri , Hamza Elsayed Ahmed Mohamed , Naomi Harrisankar , Alain Gibaud , Eric van Steen , Malik Maaza","doi":"10.1016/j.catcom.2024.106851","DOIUrl":"10.1016/j.catcom.2024.106851","url":null,"abstract":"<div><p>This study introduces a novel green synthesis method using <em>Hyphaene Thebaica</em> fruit extracts to produce WO<sub>3</sub> nanoflakes. The synthesized material exhibits remarkable visible light photocatalytic efficiency in degrading Methylene Blue (MB) and Congo Red (CR) pollutants. With removal efficiencies exceeding 98% for MB and 93% for CR within short durations, the WO<sub>3</sub> nanoflakes show promise for water treatment. Trapping experiments suggest that hydroxyl radicals, hydrogen peroxide, and holes are the primary reactive species involved in the photodegradation process. Additionally, the recyclability study demonstrates the stability and reusability of WO<sub>3</sub> nanoflakes, further highlighting their potential for practical applications in wastewater treatment.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106851"},"PeriodicalIF":3.7,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000116/pdfft?md5=c4c4b8d1fc59724a2b00b83641e26906&pid=1-s2.0-S1566736724000116-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139499389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Moro Haruna , Charles Kwame Bandoh , Eric Selorm Agorku , Francis Opoku , Noah Kyame Asare-Donkor , Anthony Apeke Adimado
{"title":"Synthesis of La-doped ZrO2/g-C3N4 nanocomposite for eosin yellow photodegradation: A combined experimental and theoretical studies","authors":"Moro Haruna , Charles Kwame Bandoh , Eric Selorm Agorku , Francis Opoku , Noah Kyame Asare-Donkor , Anthony Apeke Adimado","doi":"10.1016/j.catcom.2024.106852","DOIUrl":"https://doi.org/10.1016/j.catcom.2024.106852","url":null,"abstract":"<div><p>In this study, La-doped ZrO<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> nanocomposites were synthesized and remarkably, 0.8% La-doped ZrO<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> exhibited an outstanding degradation efficiency of 87% (k = 11.301 × 10<sup>−3</sup> min<sup>−1</sup>). The enhanced photocatalytic performance is due to the synergistic effects of lanthanum and g-C<sub>3</sub>N<sub>4</sub>, which promote charge separation and increase the number of active sites. A built-in electric field exists according to the charge density difference and electrostatic potential results. At 300 K, the nanocomposite is thermally, energetically, and dynamically stable. Our results provide valuable insights into the design and development of efficient photocatalysts for the removal of organic contaminants from aqueous environments.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106852"},"PeriodicalIF":3.7,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000128/pdfft?md5=e079a5664a23d472bff0318014328366&pid=1-s2.0-S1566736724000128-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139503990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maria Teresa Armeli Iapichino , Roberto Fiorenza , Vincenzo Patamia , Giuseppe Floresta , Antonino Gulino , Marcello Condorelli , Giuliana Impellizzeri , Giuseppe Compagnini , Salvatore Sciré
{"title":"H2 production by solar photoreforming of plastic materials using SiC-g-C3N4composites","authors":"Maria Teresa Armeli Iapichino , Roberto Fiorenza , Vincenzo Patamia , Giuseppe Floresta , Antonino Gulino , Marcello Condorelli , Giuliana Impellizzeri , Giuseppe Compagnini , Salvatore Sciré","doi":"10.1016/j.catcom.2024.106850","DOIUrl":"10.1016/j.catcom.2024.106850","url":null,"abstract":"<div><p>The photoreforming of polyethylene terephthalate and bisphenol A was here investigated using uncommon photocatalysts (SiC-g-C<sub>3</sub>N<sub>4</sub> composites). The results showed as the addition of small amounts of g-C<sub>3</sub>N<sub>4</sub> on SiC promoted an efficient charge carriers separation and a good interaction between the two materials, leading to a H<sub>2</sub> production rate of 18 and 12 μmolH<sub>2</sub>/g<sub>cat</sub>∙h for the photoreforming of polyethylene terephthalate and bisphenol A, respectively. The accurate selection of different g-C<sub>3</sub>N<sub>4</sub> precursors, combined with the appropriate control of the key reaction parameters (pH and plastic materials pretreatments) allowed to optimize the performance of the SiC-g-C<sub>3</sub>N<sub>4</sub> composites for the photocatalytic H<sub>2</sub> production.</p></div>","PeriodicalId":263,"journal":{"name":"Catalysis Communications","volume":"187 ","pages":"Article 106850"},"PeriodicalIF":3.7,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1566736724000104/pdfft?md5=90071527cc0c120dbec9d9642e708abe&pid=1-s2.0-S1566736724000104-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139499668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}