Journal of the Indian Chemical Society最新文献_第3页

Theoretical insight into the degradation reaction of cefradine in aqueous medium: Mechanism, kinetics, and ecotoxicity 头孢拉定在水介质中降解反应的理论研究：机理、动力学和生态毒性

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-30 DOI: 10.1016/j.jics.2025.102164

Seyda Aydogdu, Arzu Hatipoglu

{"title":"Theoretical insight into the degradation reaction of cefradine in aqueous medium: Mechanism, kinetics, and ecotoxicity","authors":"Seyda Aydogdu, Arzu Hatipoglu","doi":"10.1016/j.jics.2025.102164","DOIUrl":"10.1016/j.jics.2025.102164","url":null,"abstract":"<div><div>The extensive use of antibiotics has raised growing environmental concerns about their potential threat to aquatic ecosystems. Cefradine (CFD) is one of the first-generation β-lactam cephalosporin antibiotics. In this study, the mechanism and kinetics of the OH radical degradation reaction of cefradine and its protonated form were investigated. Quantum chemical modeling of all reaction paths was performed with Density Functional Theory (DFT) at the B3LYP/6-31g(d,p)//6–311+g(d,p) level. The main reaction path with the highest calculated branching ratio among the reaction paths was the OH addition path to the carbonyl group of beta-lactam. The temperature effect for the reactions was also calculated. The calculated second-order rate constant, 4.82ⅹ10<sup>9</sup> M<sup>−1</sup>s<sup>−1</sup>, is consistent with the literature data. The possible subsequent mechanism and the potential for direct photolysis of the reaction intermediates were also investigated. Furthermore, the toxicities of the CFD and reaction products were calculated and some of the reaction products are developmental toxicants.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102164"},"PeriodicalIF":3.4,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biogenic fabrication of zinc–nickel oxide nanoparticles via button lac for azo dye removal 用钮扣紫胶制备氧化锌镍纳米颗粒去除偶氮染料

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-30 DOI: 10.1016/j.jics.2025.102152

Sarla Yadav, Poonam Singh, Raminder Kaur

{"title":"Biogenic fabrication of zinc–nickel oxide nanoparticles via button lac for azo dye removal","authors":"Sarla Yadav, Poonam Singh, Raminder Kaur","doi":"10.1016/j.jics.2025.102152","DOIUrl":"10.1016/j.jics.2025.102152","url":null,"abstract":"<div><div>The button lac waste (BL) produced by the <em>Kerria lacca</em> insect represents an untapped resource with significant potential for advanced applications. The current research work represents an innovative, cost-effective, and eco-friendly approach to synthesise bimetallic zinc-nickel oxide nanoparticles (ZnNiBL-(O) NPs) using lac biowaste. The lac waste contains different hydroxyl and carbonyl groups, which can act as reducing and stabilising agents during the synthesis of ZnNiBL-(O) NPs. The structural properties of synthesised ZnNiBL-(O) NPs were confirmed using powder X-ray diffraction (PXRD) and Fourier-transform infrared (FTIR) spectroscopy. Furthermore, scanning electron microscope coupled with energy dispersive X-ray spectroscopy (SEM-EDX) validated the morphology and the presence of constituent elements. The surface area and pore size of the ZnNiBL-(O) NPs were found to be 41.85 m<sup>2</sup>g<sup>-1</sup> and 17.26 nm, respectively, using Brunauer-Emmett-Teller (BET) analysis, highlighting their suitability in wastewater applications. Keeping this in view, the adsorptive potential of ZnNiBL-(O) NPs was evaluated for the removal of crystal violet cationic (CV) dye from effluent, achieving a removal efficacy of 98.78 % within a duration of 150 min. As per the results, Langmuir isotherm (R<sup>2</sup> = 0.993) and pseudo-second order kinetic model (R<sup>2</sup> = 0.999) were found to be best fitted adsorption isotherm and kinetic models, with maximum adsorption capacity (q<sub>max</sub>) of 41.928 mg g<sup>−1</sup>. In addition, ZnNiBL-(O) NPs can be reused efficiently for up to five regeneration cycles with >70 % dye removal efficiency. Thus, the current study demonstrates innovative utilization of lac biowaste for synthesising ZnNiBL-(O) NPs, further showcasing their efficiency as eco-friendly adsorbents for wastewater treatment.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102152"},"PeriodicalIF":3.4,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cellulose extracted from Ziziphus lotus for the elimination of methyl orange from aqueous solutions 从莲藕中提取纤维素去除水溶液中甲基橙

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-29 DOI: 10.1016/j.jics.2025.102156

Sara Saad , Manel Elakremi , Faten Mannai , Izaskun Dávila-Rodríguez , Ridha ben Salem , Elimame Elaloui , Jalel Labidi , Younes Moussaoui

{"title":"Cellulose extracted from Ziziphus lotus for the elimination of methyl orange from aqueous solutions","authors":"Sara Saad , Manel Elakremi , Faten Mannai , Izaskun Dávila-Rodríguez , Ridha ben Salem , Elimame Elaloui , Jalel Labidi , Younes Moussaoui","doi":"10.1016/j.jics.2025.102156","DOIUrl":"10.1016/j.jics.2025.102156","url":null,"abstract":"<div><div>The efficacy of the alkaline delignification treatment for separating cellulose fiber from the stems of <em>Ziziphus lotus</em> is emphasized in this study. Several analytical methods are used to evaluate the fibers before and after treatment to ascertain the efficacy of the procedure. The possible use of the produced cellulose for methyl orange adsorption is evaluated. The adsorption process is studied in batch mode, and several parameters were investigated, including initial concentration, pH, duration, adsorbent dose, and temperature. Studies demonstrated that adsorption could take place at pH = 2, and that equilibrium could be reached after 240 min at 298 K. The sorption was fully line to the pseudo-second-order, and it corresponded right with the Langmuir model, with a maximum uptake of 50.76 mg/g. Additionally, the thermodynamics demonstrated the spontaneity of methyl orange adsorption (ΔG<sup>0</sup> = −36.574 kJ/mol at 298 K) as well as its exothermic nature (ΔH<sup>0</sup> = −67.672 kJ/mol). After three sorption-desorption cycles, there were 87–98 % recoveries of the adsorbed methyl orange. This provided evidence of the tremendous potential for organic dye elimination from aqueous solutions.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102156"},"PeriodicalIF":3.4,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145267722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of plating temperature on the corrosion resistance of Cu–Sn–Zn alloys deposited from a formate–based electrolyte 电镀温度对甲酸基电解液沉积Cu-Sn-Zn合金耐蚀性的影响

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-29 DOI: 10.1016/j.jics.2025.102159

Rozainita Rosley , Nurun Najwa Ruslan , Nur Azam Badarulzaman , Teh Ubaidah Noh

{"title":"The effect of plating temperature on the corrosion resistance of Cu–Sn–Zn alloys deposited from a formate–based electrolyte","authors":"Rozainita Rosley , Nurun Najwa Ruslan , Nur Azam Badarulzaman , Teh Ubaidah Noh","doi":"10.1016/j.jics.2025.102159","DOIUrl":"10.1016/j.jics.2025.102159","url":null,"abstract":"<div><div>The electrodeposition of Cu–Sn–Zn ternary alloys has attracted interest as a safer alternative to conventional toxic coatings. However, the use of a formate–based electrolyte composed of CuCl<sub>2</sub>, SnCl<sub>2</sub>, and ZnCl<sub>2</sub> and the effect of plating temperature on coating performance when using a carbon substrate remain underexplored. In this study, the effects of different plating temperatures on the cathodic current efficiency (CCE), deposition rate, coating thickness, microhardness, corrosion resistance, morphology, elemental composition, and phase formation of Cu–Sn–Zn alloys electrodeposited onto a carbon substrate were investigated. The optimal temperature of 50 °C provided the highest CCE of 78.82 %, a deposition rate of 48.29 μm/h, a coating thickness of 10.71 μm, microhardness of 455.95 HV, and a low corrosion rate of 0.0679 mm/year. Scanning Electron Microscopy (SEM) revealed irregular shapes with uneven distribution, yet fewer fine voids and pinholes were observed, alongside a balanced composition of 55.67 wt % Cu, 29.31 wt % Sn, and 15.80 wt % Zn using Energy–Dispersive X–ray spectroscopy (EDX). X–ray diffraction (XRD) showed a high texture coefficient, indicating a stable orientation and uniform crystallite growth. These findings demonstrated that the plating temperature significantly influenced the coating quality and corrosion resistance, highlighting the feasibility of using a formate–based electrolyte for sustainable alloy deposition. Future studies should investigate the long–term durability and industrial scalability of Cu–Sn–Zn ternary alloy coatings when applied to jewelry substrates.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102159"},"PeriodicalIF":3.4,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145220295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Forced degradation study and HPLC-UV eco-friendly analytical method for olanzapine quantification in complex nano-formulation matrices 复杂纳米配方基质中奥氮平的强制降解研究及高效液相色谱-紫外环保分析方法

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-29 DOI: 10.1016/j.jics.2025.102151

Sampada Shinde, Tushar Sirmaur, Aniket Kumar, Lalit Kumar

{"title":"Forced degradation study and HPLC-UV eco-friendly analytical method for olanzapine quantification in complex nano-formulation matrices","authors":"Sampada Shinde, Tushar Sirmaur, Aniket Kumar, Lalit Kumar","doi":"10.1016/j.jics.2025.102151","DOIUrl":"10.1016/j.jics.2025.102151","url":null,"abstract":"<div><div>The primary purpose of this study was to develop a simple, cost-effective, and economical RP-HPLC method for quantifying olanzapine (OLZ) in bulk and nano-formulations. The study also focused on validation parameters and the photostability of the OLZ in different light exposures. The estimation was performed using 15 mM ammonium acetate buffer (pH 3.5) and acetonitrile in the ratio of 85:15 %v/v as a mobile phase, with a flow rate of 1 mL/min, and olanzapine detection at a wavelength of 271 nm using a UV detector at a temperature of 25 °C. The developed method shows excellent linearity with an R<sup>2</sup> value of 0.999 in the 100–800 ng/mL range, and admirable sensitivity, with LOD and LOQ found to be 18.11 and 54.87 ng/mL, respectively. Acceptable intra- and inter-day precision, robustness, accuracy, and selectivity were also recorded for the developed method. An excellent separation of the OLZ peak and its degradant product was observed without interference. Finally, the method's applicability was determined by drug content and entrapment efficiency of the nano-formulation. The developed formulation's total drug content and entrapment efficiency were observed to be 90.92 ± 0.49 % and 89.88 ± 0.02 %, respectively, using the developed method. Thus, the finding confirms its suitability for the estimation of OLZ in nano-formulations and other pharmaceutical bulk formulations. Further, the developed method of greenness was identified with the AGREE, GAPI, and BAGI scores, based on low consumption of organic solvents. It concludes that the developed method is green and has less impact on the environment.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102151"},"PeriodicalIF":3.4,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced photocatalytic degradation of furfural using TiO2-Coated layered electrographite (EG@TiO2) synthesized via a novel sol-gel method 采用溶胶-凝胶法合成的二氧化钛涂层层状电石墨（EG@TiO2）增强光催化降解糠醛

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-28 DOI: 10.1016/j.jics.2025.102158

Nima Nemati , Sahand Jorfi , Reza Jalilzadeh Yengejeh , Maryam Mohammadi Rouzbahani , Sima Sabzalipour

引用次数: 0

Eco-friendly photocatalysis: BaO composites with NGO and BGO synthesized using hydrophyte for dye and drug degradation 生态友好型光催化：利用水生植物合成NGO和BGO的BaO复合材料，用于染料和药物降解

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-28 DOI: 10.1016/j.jics.2025.102153

Govindarajalu Kishore , Periyasamy Pritha , S. Xavier , Francisxavier Paularokiadoss , D. Bhakiaraj , P. Siva Karthik

{"title":"Eco-friendly photocatalysis: BaO composites with NGO and BGO synthesized using hydrophyte for dye and drug degradation","authors":"Govindarajalu Kishore , Periyasamy Pritha , S. Xavier , Francisxavier Paularokiadoss , D. Bhakiaraj , P. Siva Karthik","doi":"10.1016/j.jics.2025.102153","DOIUrl":"10.1016/j.jics.2025.102153","url":null,"abstract":"<div><div>In this work, barium oxide (BaO) with boron-doped graphene oxide (BGO) and nitrogen-doped graphene oxide (NGO) was synthesized and studied using instrumental techniques. The XRD analysis determined the composites' average crystalline size of 9.1 nm and tetragonal phase, which shows the successful formation of the title composites. The UV–vis analysis verified the semiconducting behavior, with a band gap of 3.45 eV. It was evident that the addition of boron into the graphene lattice favors tuning the band gap. The HR-TEM analysis predicts that the samples were formed on a nanoscale with distinct fringes. Using the hydrophyte (<em>Sargassum swartzii),</em> a seaweed extract in the synthesized procedure, to form the graphene-based composites. The FT-IR analysis confirms the bonding between B–C, N–C and the existence of Ba–O. The binding energies for the Ba 3d were found to be 780.1 eV and 795.8 eV, indicating the presence of two Ba species in the graphene oxide lattice. The photodegradation of pollutants and pharmaceutical waste shows a high optical behavior of composites. The BaO-BGO records the highest photocatalytic efficiency of 98 % for metronidazole and 88 % for rhodamine B. The stability of the composites was predicted by the reusability test, which shows the durability of the composites till five cycles. These findings elevate the BaO-NGO and BaO-BGO nanocomposite properties for the photodegradation of industrial pollutants and pharmaceutical wastes under natural sunlight, outperforming several existing photocatalysts in terms of efficiency and practical usability.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102153"},"PeriodicalIF":3.4,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Selective optical detection and fluorescence sensing of cyanide ion in aqueous medium using rhodamine B based sensor 罗丹明B基传感器在水介质中氰化物离子的选择性光学检测和荧光传感

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-27 DOI: 10.1016/j.jics.2025.102141

Sunita Prajapati, Sandeep Hindore, Subrata Jana

{"title":"Selective optical detection and fluorescence sensing of cyanide ion in aqueous medium using rhodamine B based sensor","authors":"Sunita Prajapati, Sandeep Hindore, Subrata Jana","doi":"10.1016/j.jics.2025.102141","DOIUrl":"10.1016/j.jics.2025.102141","url":null,"abstract":"<div><div>Quantitative detection of cyanide ion in aqueous medium from natural sources is of extremely important due to its severing impact in biological system. We report in this work about the sensing of CN<sup>−</sup> ion in 50 % aqueous medium from its sodium salt. The present work deals with the sensing of cyanide ion by synthetic receptor <strong>R</strong> containing rhodamine B and 2-hydroxy naphthalene moiety. The phenolic OH group is the primary interacting point for CN<sup>−</sup> ion. The sensing process is operated by intramolecular charge transfer (ICT) due to deprotonation. This sensor works in both optical and fluorogenic pathway for the detection at neutral pH (7.4). It is also working efficiently in the concentration of 1 eqv. of cyanide ion and only 1.7 min as response time. The detection limit for cyanide ion is 32.8 nM which is quite low in compared to some other reported similar type of sensors. This sensor also functions well for the detection of cyanide in natural water system and produced good recovery. So the present sensor would be cost effective, optical and fluorescence sensor for cyanide ion.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102141"},"PeriodicalIF":3.4,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Facile synthesis of Co3O4/CoS/Ag decorated carbon nanocomposites and their electrochemical evaluation for high-performance supercapacitors Co3O4/CoS/Ag修饰碳纳米复合材料的简易合成及其高性能超级电容器的电化学评价

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-26 DOI: 10.1016/j.jics.2025.102144

Alagu Segar Deepi , Arputharaj Samson Nesaraj

{"title":"Facile synthesis of Co3O4/CoS/Ag decorated carbon nanocomposites and their electrochemical evaluation for high-performance supercapacitors","authors":"Alagu Segar Deepi , Arputharaj Samson Nesaraj","doi":"10.1016/j.jics.2025.102144","DOIUrl":"10.1016/j.jics.2025.102144","url":null,"abstract":"<div><div>A supercapacitor is an advanced energy storage device that delivers rapid charge and discharge capabilities along with high power density and enhanced energy efficiency. In this current investigation, new electrode materials based on Co<sub>3</sub>O<sub>4</sub>/CoS/Ag@carbon (rGO/rGO-CNT/CNF/CS) nanocomposite were synthesized and characterized for application in supercapacitors. The synthesized nanocomposite materials underwent comprehensive physical and electrochemical analysis. XRD revealed the presence of well crystalline phases of cobalt oxide, cobalt sulphide, silver and carbon. Vibrational bands observed in the FTIR spectrum confirmed the existence of metal–oxygen linkages in the composite. Detailed surface and nanoscale morphological exploration of the composites was pursued through SEM and HR-TEM imaging. EDAX presented the precise elemental constitution of the composite. The materials’ electrochemical properties were assessed through cyclic voltammetry, galvanostatic charge-discharge measurements, and AC impedance analysis. Among the different materials examined, Co<sub>3</sub>O<sub>4</sub>/CoS/silver/carbon sphere nanocomposite material rendered a notable specific capacitance of 2423.38 F g<sup>−1</sup> at 0.5 A g<sup>−1</sup>, ensuring high stability across repeated charge-discharge cycles, indicating its suitability as a supercapacitor electrode.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102144"},"PeriodicalIF":3.4,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Vapour-phase reduction of lignocellulosic derivative benzaldehyde and furfural to yield alcohol as a product over copper-based magnesia-zirconia catalyst 木质纤维素衍生物苯甲醛和糠醛在铜基镁氧化锆催化剂上气相还原制醇的产物

IF 3.4 4区化学

Journal of the Indian Chemical Society Pub Date : 2025-09-26 DOI: 10.1016/j.jics.2025.102143

Rohit Rangnath Nikam , N. Keerthan , P. Manikanta , K. Likhitha , Itika Kainthla , Siddappa A. Patil , Bhari Mallanna Nagaraja

{"title":"Vapour-phase reduction of lignocellulosic derivative benzaldehyde and furfural to yield alcohol as a product over copper-based magnesia-zirconia catalyst","authors":"Rohit Rangnath Nikam , N. Keerthan , P. Manikanta , K. Likhitha , Itika Kainthla , Siddappa A. Patil , Bhari Mallanna Nagaraja","doi":"10.1016/j.jics.2025.102143","DOIUrl":"10.1016/j.jics.2025.102143","url":null,"abstract":"<div><div>The vapour-phase catalytic conversion of benzaldehyde and furfural to yield benzyl alcohol and furfuryl alcohol is studied using a copper-supported magnesia-zirconia (CMZ) as a catalyst. Herein, different methods for synthesising catalysts and their implementation in hydrogenation reactions were investigated, and various analytical techniques were employed to further characterise the catalysts. The effect of parameters such as copper loading and temperature on the catalytic performance of the conversion of benzaldehyde to benzyl alcohol was studied. Additionally, the optimised method of catalyst preparation, <em>viz.</em> Impregnation, was employed for the vapour-phase hydrogenation of furfural. The optimisation studies for the catalytic hydrogenation of benzaldehyde showed better results for the 12.5 wt% Cu-impregnated magnesia-zirconia catalyst with a conversion of 60 % for benzaldehyde and selectivity of 96 % for benzyl alcohol with a feed flow of 0.5 mL h<sup>−1</sup> and 200 °C temperature. Additionally, the hydrogenation of furfural gave good results of 95 % conversion for furfural with almost 97 % selectivity at 180 °C temperature. The better catalytic activity of the 12.5CMZ-IMP catalyst could be attributed to the well-balanced acidic and basic sites in addition to the better surface area of 19 m<sup>2</sup> g<sup>−1</sup> with a crystallite size of 12 nm for the 12.5CMZ-IMP catalyst. The weight hourly space velocity (WHSV) calculated for both reactants, <em>viz.</em> benzaldehyde and furfural, was obtained to be 1.04 and 1.16 h<sup>−1</sup>, respectively. The H<sub>2</sub>-TPR analysis studied the reduction property of the catalyst and revealed that the Cu<sup>0</sup> is responsible for the catalytic conversion of aldehydes to alcohols.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 11","pages":"Article 102143"},"PeriodicalIF":3.4,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145221414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0