Boualem Alouche, Abdelkader Dehbi, Salah Bassaid, Ahmed Yahiaoui, Ali Alsalme, Massimo Messori
{"title":"Polypyrrole–ZnCo2O4 hybrid nanocomposite: synthesis, characterization, and enhanced adsorption-photocatalytic performance for methylene blue degradation","authors":"Boualem Alouche, Abdelkader Dehbi, Salah Bassaid, Ahmed Yahiaoui, Ali Alsalme, Massimo Messori","doi":"10.1007/s11144-025-02825-z","DOIUrl":"10.1007/s11144-025-02825-z","url":null,"abstract":"<div><p>This study presents the synthesis, characterization and adsorption-photocatalytic evaluation of Polypyrrole–ZnCo<sub>2</sub>O<sub>4</sub> (Ppy–ZCO) hybrid nanocomposite for Methylene Blue (MB) degradation under UV–light irradiation. ZCO particles were prepared using a sol–gel method, while the Ppy–ZCO nanocomposite was synthesized via in-situ oxidative polymerization. Characterization methods including FT-IR, XRD and SEM, confirmed the successful formation of the nanocomposite and its structural and morphological features. The Ppy–ZCO nanocomposite exhibited superior adsorption compared to pure Ppy and pure ZCO. Adsorption studies revealed favorable isotherm models, with the Langmuir model showing a maximum adsorption capacity of 23.3 mg g<sup>−1</sup>. According to photocatalytic degradation results, Ppy–ZCO nanocomposite has the most photocatalytic activity than pure ZCO and pure Ppy. Maximum MB degradation of 98.55% was recorded for PPy–ZCO at pH = 10 after 180 min of irradiation. These findings highlight the potential of Ppy–ZCO nanocomposite as effective photocatalysts for water treatment applications.</p></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1535 - 1552"},"PeriodicalIF":1.7,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135330","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}
Athraa N. Abd, Zaidoon M. Shakor, Firas K. Al-Zuhairi, Farooq Al-Sheikh, Afraa H. Kamel
{"title":"Enhancing cellulose extraction from palm fronds using acidic and alkaline pretreatment: a kinetic study","authors":"Athraa N. Abd, Zaidoon M. Shakor, Firas K. Al-Zuhairi, Farooq Al-Sheikh, Afraa H. Kamel","doi":"10.1007/s11144-025-02828-w","DOIUrl":"10.1007/s11144-025-02828-w","url":null,"abstract":"<div><p>The present study employed alkali and acidic pretreatment methods to extract cellulose fibers from palm frond biomass. Also, the TGA is employed to quantify the proportions of the primary constituents: hemicellulose, cellulose, and lignin. Each of these components decomposes at a characteristic temperature, allowing for an estimation of their percentages in the sample. Three first-order independent parallel reactions were predicted having hemicellulose, cellulose, and lignin as the major constituents while multi-component kinetic modeling was applied to compute the kinetic parameters of each component, activation energy, and pre-exponential factor, at each peak temperature. As a result, One-dimensional Diffusion (D1) was found to be the best-representing TGA of the palm frond biomass decomposition. The compositions of palm frond waste were 31, 30.65, and 37.71% of hemicellulose, cellulose, and lignin. The obtained activation energies of the hemicellulose, cellulose, and lignin were 75.98, 77.25, and 130.27 kJ/mol. Acid and alkali pretreatment was utilized to increase the cellulose content in biomass but the alkaline treatments generally yielded higher cellulose contents with less degradation compared to acidic treatments.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1583 - 1604"},"PeriodicalIF":1.7,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135328","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}
{"title":"Physical characterizations of nano-particles α-MoO3: Eosin degradation under visible light","authors":"Nesrine Koriche, Razika Brahimi, Mohamed Trari","doi":"10.1007/s11144-025-02809-z","DOIUrl":"10.1007/s11144-025-02809-z","url":null,"abstract":"<div><p>α-MoO<sub>3</sub> was identified by X-ray diffraction (XRD) and the pattern revealed a single phase in the orthorhombic system (<i>SG</i>: Pbnm). Three strong vibrations at 439, 806 and 977 cm<sup>−1</sup> in the FT-IR spectrum are associated to the elongation mode of Mo–O, Mo–O-Mo and Mo = O bonds. MoO<sub>3</sub> with a light blue color absorbs in the visible region with a gap (E<sub>g</sub>) of 2.77 eV. It corresponds to the electrons transition from the valence band formed by (O<sub>2</sub>: <i>2p</i>) to the conduction band deriving from Mo<sup>6+</sup>:<i>4d orbital</i>. A further electronic transition of 1 eV, corresponds to the internal transfer of charges between Mo<sup>6+</sup>/Mo<sup>5+</sup>. The linearization of the Arrhenius equation: log σ as a function of 10<sup>3</sup>/T indicated a semiconductor behavior of MoO<sub>3</sub> with an activation energy of 0.036 eV. The variation of the thermoelectric power (S) of MoO<sub>3</sub>, in the temperature range studied, indicated an <i>n</i>-type behavior with electrons as majority of carriers. The extrapolation of the fitted line to infinite capacity (C<sup>−2</sup> = 0) yielded a flat band potential (E<sub>fb</sub>) of 0.29 V<sub>SCE</sub>. The photoactivity of MoO<sub>3</sub> was studied by varying different parameters under visible light: the dose of MoO<sub>3</sub>, the initial concentration of EOS, pH of working medium and light intensity. The optimal conditions: 0.7 mg/mL of MoO<sub>3</sub>/E0S with intensity of 8.5 mW cm<sup>−2</sup> at pH ~ 4 allowed to obtain a photocatalytic oxidation efficiency of 53%.</p></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1673 - 1684"},"PeriodicalIF":1.7,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135329","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}
{"title":"Photochemical processes in aqueous benzoquinone and anthraquinone solutions studied by spectrophotometry","authors":"Krisztina Csonka, Panna Lukács, Katalin Ősz","doi":"10.1007/s11144-025-02810-6","DOIUrl":"10.1007/s11144-025-02810-6","url":null,"abstract":"<div><p>In this paper, we focus on the experimental and theoretical limitations and advantages of using spectrophotometric technique to study a homogeneous, liquid-phase photochemical reaction. 1,4-Benzoquinone and anthraquinone derivatives dissolved in water were examined in a PhotoCube™ photoreactor under illumination with 365, 395, 457, 500, 523, 595, 623 nm, or white light. Derivatives with different electron-withdrawing and electron-donating substituents were studied. The photosensitivity of 1,4-benzoquinone solutions is known. However, a different kind of product was formed during storage in the dark than under illumination. Using classical matrix rank analysis and the M<sup>3</sup> method (which uses the steps of Gauss-Jordan elimination), the number of light-absorbing particles in each photochemical reaction was determined. In general, one of the colored particles is the quinone, and the other is a constant ratio mixture of hydroquinone and hydroxyquinone formed as a product, which are weak acids, so their protonation/deprotonation also occurs as the pH of the solution changes, thereby increasing the number of colored particles. This effect was previously avoided by using buffers or pH–stat technique. In the case of the 2,6-dichloro-1,4-benzoquinone derivative, photochemical kinetic measurements at various temperatures were carried out in a diode array spectrophotometer with polychromatic light source. The reaction was only slightly accelerated by increasing the temperature from room temperature to 45 °C.</p></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 2","pages":"625 - 646"},"PeriodicalIF":1.7,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11144-025-02810-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143716720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Wirda Udaibah, Didi Dwi Anggoro, Aji Prasetyaningrum, Abdullah Bafaqeer, Nor Aishah Saidina Amin
{"title":"An enhanced production of biomethane from cellulose photoreforming driven by titania morphological modification","authors":"Wirda Udaibah, Didi Dwi Anggoro, Aji Prasetyaningrum, Abdullah Bafaqeer, Nor Aishah Saidina Amin","doi":"10.1007/s11144-025-02821-3","DOIUrl":"10.1007/s11144-025-02821-3","url":null,"abstract":"<div><p>This article studies the influence of titania morphology on the biomethane production from cellulose through photoreforming. First, TiO<sub>2</sub> P25 was modified to titania nanotube (TiNT) via short-time hydrothermal reaction. It was confirmed by SEM and TEM that the nanotube morphology of titania could be obtained after heating at 150°C for 7 h. The XRD patterns of the produced powders showed the existence of anatase crystalline phases, with no appearance of rutile. Our mesoporous TiNT had the surface area twice larger than commercial TiO<sub>2</sub> P25 and its bandgap energy was 3.23 eV, which was smaller than TiO<sub>2</sub> P25. Its electron lifetime was longer than TiO<sub>2</sub> P25 (6.82 × 10<sup>–8</sup> s). Due to the better character of TiNT, its cellulose photoreforming to biomethane through TiNT was three times higher than that of TiO<sub>2</sub> P25. The photoreforming by TiNT was 17020 μmol g<sup>−1</sup> catalyst, while by TiO<sub>2</sub> P25 was 6560 μmol g<sup>−1</sup> catalyst. In this work we also proposed the mechanism of cellulose photoconversion. Overall, TiNT can be a potential photocatalyst in biomass photoreforming reaction.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1605 - 1621"},"PeriodicalIF":1.7,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135512","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}
Cengiz Çesko, Osman Üner, Barış Kocabıyık, Ünal Geçgel, Hyrije Koraqi, Hayal Kika
{"title":"Methylene blue adsorption by Quercus cerris acorn shell based activated carbon: equilibrium, kinetic, and thermodynamic studies","authors":"Cengiz Çesko, Osman Üner, Barış Kocabıyık, Ünal Geçgel, Hyrije Koraqi, Hayal Kika","doi":"10.1007/s11144-025-02819-x","DOIUrl":"10.1007/s11144-025-02819-x","url":null,"abstract":"<div><p>The present study demonstrates that <i>Quercus cerris</i> acorn shell-derived activated carbon can serve as an effective and promising adsorptive material for the cationic Methylene Blue removing from aqueous solution via adsorption technique. The study explored how adsorbent concentration, temperature, initial adsorbate concentration, contact time, and pH influence MB adsorption onto QCAC. QCAC dosages of 30, 45, 60, 75, 90, and 105 mg/50 mL provided nearly 99.70% MB removal efficiencies for 50, 100, 150, 200, 250, and 300 mg/L MB solution concentrations. It was found that the adsorption of MB on QCAC is notably impacted by solution pH, and that higher temperatures enhance the adsorption process, particularly at lower adsorbent concentrations. Adsorption properties were characterized by utilizing various adsorption isotherms, e.g. Temkin, Langmuir, Freundlich, and Jovanović and by utilizing various kinetic models such as pseudo-first-order, and pseudo-second-order, and intra-particle diffusion models via their non-linear forms. When using non-linear version of isotherm models isotherm model, Freundlich and Temkin isotherm aligned well with the experimental data. The study evinced that the adsorption kinetics of QCAC by MB adapted well to kinetic model for pseudo-second order and the application of the particle-diffusion model contributed insights into MB adsorption kinetic mechanism on QCAC. Additionally, thermodynamic variables for the MB adsorption on QCAC were assessed, disclosing that MB adsorption process on QCAC was endothermic, reversible, and feasible.</p></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1495 - 1516"},"PeriodicalIF":1.7,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135513","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}
Mingjing Li, Xinyi Wang, Kailun Zhang, Lei Zhang, Siyong Fang, Menglan Ma, Ying Li
{"title":"Effect of organic acid assisted impregnation method on sulfated CeO2/Al2O3 catalyst for selective catalytic reduction of NO by NH3","authors":"Mingjing Li, Xinyi Wang, Kailun Zhang, Lei Zhang, Siyong Fang, Menglan Ma, Ying Li","doi":"10.1007/s11144-025-02823-1","DOIUrl":"10.1007/s11144-025-02823-1","url":null,"abstract":"<div><p>The CeO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> catalysts were prepared by organic acid assisted impregnation method and then sulfated by (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub> impregnation method. The catalytic activity and K poisoning of catalysts were tested by the selective catalytic reduction of NO with NH<sub>3</sub>. The experimental results show that the sulfated CeO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> catalysts assisted by organic acids have a wider reaction temperature window than the one prepared by traditional aqueous impregnation method. In addition, the sulfated CeO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> catalyst assisted by citric acid has the best resistance to K poisoning. Multiple characterizations indicate that the coordination effect between organic acids and Ce ions helps to obtain smaller CeO<sub>2</sub> nanoparticles and more adsorbed sulfates, which is conducive to improving the catalytic activity of sulfated CeO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> catalyst. However, loading K causes an increase in the size of CeO<sub>2</sub> nanoparticles, which suppresses the surface acid sites and redox ability of CeO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> catalyst and results in the decline of catalytic activity.</p><h3>Graphical abstract</h3><p>K poisoning mechanism for the sulfated CeO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> assisted by organic acids in NH<sub>3</sub>-SCR reaction</p>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1259 - 1276"},"PeriodicalIF":1.7,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135422","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}
Amal Roua, Anouar Ameziane El Hassani, Asmae Fitri, Adil Touimi Benjelloun, Mohammed Benzakour, Mohammed Mcharfi, Karim Tanji
{"title":"Density functional theory and molecular dynamics analysis of oxadiazole derivatives as corrosion inhibitors in hydrochloric acid media (HCl)","authors":"Amal Roua, Anouar Ameziane El Hassani, Asmae Fitri, Adil Touimi Benjelloun, Mohammed Benzakour, Mohammed Mcharfi, Karim Tanji","doi":"10.1007/s11144-025-02815-1","DOIUrl":"10.1007/s11144-025-02815-1","url":null,"abstract":"<div><p>In this study, we investigated the corrosion inhibition mechanisms of three newly identified oxadiazole derivatives in a hydrochloric acid (HCl) medium for mild steel. A range of computational approaches, including three semi-empirical methods, Hartree–Fock (HF), and density functional theory (DFT), were employed to identify the most suitable method for analyzing these derivatives. Among these approaches, DFT at the B3LYP/6-31G(d,p) level was determined to be the most appropriate. Solvent effects were incorporated using the self-consistent reaction field (SCRF) with the polarizable continuum model (PCM). Key quantum chemical reactivity descriptors, such as E<sub>HOMO</sub>, E<sub>LUMO</sub>, energy gap, electronegativity (χ), and hardness (η), were calculated to assess molecular reactivity on both global and local scales. Molecular dynamics (MD) simulations were also performed on the iron (110) surface to explore the adsorption behavior of the inhibitors. Results indicate that the inhibitor 6-MMOPP exhibits superior surface coverage and corrosion inhibition performance compared to 5-MOPP and 4-BPOMP. Additionally, Fukui function analysis suggests that the primary adsorption site for the 4-BPOMP inhibitor is the bromine atom. The theoretical findings strongly agree with experimental data, highlighting 6-MMOPP as the most effective corrosion inhibitor among the compounds studied.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1861 - 1886"},"PeriodicalIF":1.7,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135340","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}
{"title":"Photocatalytic degradation of methylene blue using TiO2 nanoparticles synthesized via the sol–gel method in acidic and neutral media","authors":"Souad Laghrib, Chems Eddine Gherdaoui, Ouafia Belgherbi, Naziha Benaskeur, Mokhtar Boudissa, Arjunan Kanagaraj, Noufel Aouffa","doi":"10.1007/s11144-025-02816-0","DOIUrl":"10.1007/s11144-025-02816-0","url":null,"abstract":"<div><p>Titanium oxide (TiO₂) is widely employed in medical and environmental applications, sensors, and photocatalysis due to its exceptional optical and chemical properties. However, the efficiency of current organic contaminant treatment technologies remains limited, particularly in achieving high photocatalytic activity under controlled conditions. This study addresses this gap by synthesizing TiO₂ powders using the sol–gel method in acidic and neutral media, investigating the effects of annealing temperature and solution nature on their structural, morphological, and optical properties, as well as their photocatalytic performance in methylene blue (MB) degradation. X-ray diffraction (XRD) analysis revealed that at annealing temperatures above 400 °C, only the anatase phase was observed, whereas increasing the temperature to 700 °C led to the predominant formation of the rutile phase in both media. Crystallite size increased with temperature, influencing the material’s photocatalytic efficiency. Fourier-transform infrared (FTIR) spectroscopy confirmed the presence of characteristic TiO₂ chemical bonds, some of which disappeared at elevated temperatures. Scanning electron microscopy (SEM) indicated the formation of spherical TiO₂ nanoparticles, while UV–Vis diffuse reflectance spectroscopy (DRS) demonstrated a bandgap energy reduction from 3.33 to 3.29 eV in acidic medium and from 3.17 to 3.13 eV in neutral medium with increasing temperature. Photocatalytic activity tests showed that TiO₂ powders synthesized in neutral medium exhibited superior degradation efficiency compared to those prepared in acidic medium, attributed to their smaller crystallite size. The catalysts prepared at 500 °C in acidic conditions and at 700 °C in neutral conditions demonstrated the highest MB degradation efficiency, with corresponding rate constants. Scavenger tests identified hydroxyl radicals (OH⋅) as the dominant reactive species responsible for MB degradation. These findings highlight the influence of synthesis conditions on TiO₂ properties and provide insights for optimizing photocatalysts for organic pollutant removal.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1725 - 1745"},"PeriodicalIF":1.7,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135339","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}
{"title":"Catalytic activity of tungsten-doped titanium dioxide-supported platinum catalysts in the sequential hydrogenolysis of glycerol: effect of support calcination temperature","authors":"Chao Yu, Changlin Chen","doi":"10.1007/s11144-025-02822-2","DOIUrl":"10.1007/s11144-025-02822-2","url":null,"abstract":"<div><p>Two Pt-WO<sub>x</sub>/TiO<sub>2</sub> catalysts with the same content of Pt and WO<sub>x</sub> were prepared by impregnation-calcination method and treated with WO<sub>x</sub>/TiO<sub>2</sub> supports at different temperatures, and their catalytic performance in the preparation of 1,3-propanediol (1,3-PDO) by selective hydrogenolysis of glycerol was studied. The catalysts were characterized by N<sub>2</sub> adsorption–desorption, CO chemisorption, Thermogravimetric analysis, X-ray diffraction, High-resolution transmission electron microscopy, NH<sub>3</sub>-temperature-programmed desorption, H<sub>2</sub>-temperature-programmed reduction, Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The results showed that the Pt-WO<sub>x</sub>/TiO<sub>2</sub> catalyst with high temperature treatment had the highest activity, with a glycerol conversion rate of 71.4% and a selectivity of 36.4% for 1,3-PDO at 160 °C and 4 MPa, while the catalyst treated with low temperature was only 5.2% and 10.6%. In this regard, increasing the treatment temperature of the catalyst did not change the crystalline phase structure of TiO<sub>2</sub>, but changed the diameter structure of the catalyst pore, improved the crystallinity of the catalyst support and the dispersion of Pt particles on the surface, reduced the amount of acid in the catalyst, and enhanced the interaction between Pt, WO<sub>x</sub> and TiO<sub>2</sub> in the catalyst.</p></div>","PeriodicalId":750,"journal":{"name":"Reaction Kinetics, Mechanisms and Catalysis","volume":"138 3","pages":"1479 - 1494"},"PeriodicalIF":1.7,"publicationDate":"2025-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144135332","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}