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A Digital Model for the Reactor of Laser Non-Oxidative Methane Conversion into Hydrocarbons 激光非氧化甲烷转化为烃类反应器的数字模型
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S2070050426700248
V. N. Snytnikov, E. E. Peskova
{"title":"A Digital Model for the Reactor of Laser Non-Oxidative Methane Conversion into Hydrocarbons","authors":"V. N. Snytnikov,&nbsp;E. E. Peskova","doi":"10.1134/S2070050426700248","DOIUrl":"10.1134/S2070050426700248","url":null,"abstract":"<p>To study the non-oxidative conversion of natural gas into valuable hydrocarbons and hydrogen, a digital model was developed for the reactor, in which laser radiation acts on a two-phase reaction medium consisting of a gas with suspended solid catalytic nanoparticles. The countercurrent flows of this gas-dust medium in the axially symmetric reactor tube absorb radiation in the area of their collision. Heat exchange with the wall along the length of a reactor with laser radiation during endothermic methane conversion was investigated. Laser radiation introduced into the medium locally increases its temperature at the outlet of resulting products from the reactor and shifts their composition towards aromatic compounds. The wall temperature of 1173 K and radiation provided the conversion of methane to hydrocarbons and hydrogen at a level of 65%. The combination of traditional and laser methods of energy transfer to the reaction medium is shown to be promising to control the selectivity of non-oxidative methane conversion.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"325 - 330"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep Methane Oxidation over Pd–Glass Fiber Catalysts Prepared by Chemical Vapor Deposition 化学气相沉积法制备的pd -玻璃纤维催化剂上深层甲烷氧化
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S2070050426700212
A. P. Suknev, S. I. Dorovskikh, D. A. Borisova, E. M. Sadovskaya, M. Zhezhera, E. A. Maximovskii, D. A. Svintsitskii, V. S. Derevshchikov, E. S. Vikulova
{"title":"Deep Methane Oxidation over Pd–Glass Fiber Catalysts Prepared by Chemical Vapor Deposition","authors":"A. P. Suknev,&nbsp;S. I. Dorovskikh,&nbsp;D. A. Borisova,&nbsp;E. M. Sadovskaya,&nbsp;M. Zhezhera,&nbsp;E. A. Maximovskii,&nbsp;D. A. Svintsitskii,&nbsp;V. S. Derevshchikov,&nbsp;E. S. Vikulova","doi":"10.1134/S2070050426700212","DOIUrl":"10.1134/S2070050426700212","url":null,"abstract":"<p>Using chemical vapor deposition (CVD) and the traditional method of incipient wetness impregnation, new Pd–glass fiber catalysts (GFCs) for the oxidation of volatile organic compounds (VOCs) were synthesized. GFC samples were characterized by physicochemical methods (SEM, XPS), and the formation of metal particles on the surface of glass fibers was studied. The process of methane oxidation over the synthesized GFCs was studied, and the specific rates and activation energies of the methane oxidation reaction were determined. The comparative analysis of catalysts prepared by CVD and impregnation was carried out, and the potential of CVD as an efficient GFC synthesis method was demonstrated.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"292 - 302"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prospects of the Use of Synthetic or Natural Silica Aluminas in the Composition of a Fischer–Tropsch Catalyst 合成或天然硅铝在费托催化剂中的应用前景
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S2070050426700236
L. V. Sineva, E. Yu. Asalieva, K. O. Gryaznov, V. V. Aksenenkov, A. S. Galkin, P. M. Shebarshinova, V. Z. Mordkovich
{"title":"Prospects of the Use of Synthetic or Natural Silica Aluminas in the Composition of a Fischer–Tropsch Catalyst","authors":"L. V. Sineva,&nbsp;E. Yu. Asalieva,&nbsp;K. O. Gryaznov,&nbsp;V. V. Aksenenkov,&nbsp;A. S. Galkin,&nbsp;P. M. Shebarshinova,&nbsp;V. Z. Mordkovich","doi":"10.1134/S2070050426700236","DOIUrl":"10.1134/S2070050426700236","url":null,"abstract":"<p>Silica aluminas are advantageous as an alternative to zeolites in the composition of catalysts for one-pot Fischer–Tropsch synthesis. The aim of this work was to study the possibility of use of synthetic or natural silica aluminas in the composition of cobalt Fischer–Tropsch synthesis catalyst to increase the content of wide base oil fraction in the resulting products. The influence of the calcination temperature of silica aluminas on the characteristics of the prepared catalysts and the composition of C<sub>5+</sub> hydrocarbons formed in their presence was investigated. Silica aluminas powders were studied by X-ray diffraction, thermogravimetric analysis, IR spectroscopy and low-temperature nitrogen sorption methods. Catalysts prepared based on silica aluminas were tested in Fischer–Tropsch synthesis. The results obtained confirm the possibility of one-pot synthesis of C<sub>5+</sub> hydrocarbons enriched with base oil fraction. The catalyst based on amorphous synthetic silica alumina provides product containing up to 37 wt % of fraction with a boiling range of 300–490°С. The conditions for the selective production of base oil fraction in the presence of such catalysts were optimized as 2.5 MPa, 210°С, 500 h<sup>–1</sup>. It was shown that it is possible to obtain C<sub>5+</sub> hydrocarbons containing up to 60 wt % of diesel fraction at 1.5 MPa, especially in the presence of pyrophyllite-based catalysts.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"316 - 324"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development and Study of Adsorbents Based on Iron–Manganese Oxides for Desulfurization of Gas Emissions 基于铁锰氧化物的气体排放脱硫吸附剂的开发与研究
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S207005042670011X
A. V. Salnikov, S. A. Yashnik, S. A. Sozinov, S. R. Khairulin
{"title":"Development and Study of Adsorbents Based on Iron–Manganese Oxides for Desulfurization of Gas Emissions","authors":"A. V. Salnikov,&nbsp;S. A. Yashnik,&nbsp;S. A. Sozinov,&nbsp;S. R. Khairulin","doi":"10.1134/S207005042670011X","DOIUrl":"10.1134/S207005042670011X","url":null,"abstract":"<p>The results of studying the samples of efficient sorbents based on domestic natural raw materials, namely, ferromanganese nodules (FMNs) are presented. The use of these sorbents has significant potential for solving the pressing problem of environmental protection, such as the purification of gas flows from toxic sulfur compounds. The influence of the calcination temperature of sorbents on their physicochemical and sorption characteristics is studied. It is shown that the calcination temperature of a sorbent significantly affects its sorption capacity with respect to hydrogen sulfide, and optimal sorption characteristics are exhibited by the sorbent calcined at 300°C. SEM elemental mapping and DRIFT study results for spent samples allowed us to propose a temperature-dependent pathway of hydrogen sulfide sorption on the synthesized sorbents.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"171 - 179"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studying the Process of Thermal Catalytic Biomass Processing in a Fluidized-Bed Reactor 流化床反应器热催化生物质处理过程的研究
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S207005042670025X
K. D. Muyanov, Yu. V. Dubinin, A. P. Lyulyukin, N. A. Yazykov, V. A. Yakovlev
{"title":"Studying the Process of Thermal Catalytic Biomass Processing in a Fluidized-Bed Reactor","authors":"K. D. Muyanov,&nbsp;Yu. V. Dubinin,&nbsp;A. P. Lyulyukin,&nbsp;N. A. Yazykov,&nbsp;V. A. Yakovlev","doi":"10.1134/S207005042670025X","DOIUrl":"10.1134/S207005042670025X","url":null,"abstract":"<p>The paper is devoted to studying the process of thermal catalytic biomass processing in a fluidized-bed reactor for useful heat generation. Miscanthus, pine nut shells, and spent coffee were selected as initial biomass. The biomass crushed to a fraction smaller than 0.5 mm (coffee was not ground, as the size of its particles was initially 0.2–0.4 mm) was fed into a fluidized-bed reactor at processing temperatures of 650, 700, and 750°C, respectively. The objective of these experiments was to generate useful heat by burning the supplied biomass and utilize it, e.g., in maintaining an autothermal regime, as well as to investigate the resulting ash residues and analyze the flue gases emitted during the combustion process, followed by process simulation in Aspen Plus. The data of simulation show good agreement with experiment, and the proposed scheme can be used as one of the approaches to evaluating the feasibility of catalytic biomass combustion in a fluidized-bed in autothermal mode.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"331 - 337"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Liquid-Phase Hydrogenation of Norbornene Compounds. Stereochemistry, Kinetics, and Mechanism 降冰片烯类化合物的液相加氢反应。立体化学，动力学和机理
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S2070050426700200
V. V. Zamalyutin, V. R. Flid, R. S. Shamsiev, A. I. Nichugovskii, E. V. Okuneva
{"title":"Liquid-Phase Hydrogenation of Norbornene Compounds. Stereochemistry, Kinetics, and Mechanism","authors":"V. V. Zamalyutin,&nbsp;V. R. Flid,&nbsp;R. S. Shamsiev,&nbsp;A. I. Nichugovskii,&nbsp;E. V. Okuneva","doi":"10.1134/S2070050426700200","DOIUrl":"10.1134/S2070050426700200","url":null,"abstract":"<p>In this review, we summarize and systematize our own data on the key regularities in the liquid-phase hydrogenation of carbocyclic alkenes and dienes of norbornene series using the examples of norbornadiene, dicyclopentadiene, and 5-vinyl-2-norbornene over heterogeneous palladium catalysts. The hydrogenation conditions that ensure the preservation of the norbornane framework, as well as the most probable mechanisms of its occurrence, are considered. Based on kinetic and quantum chemical studies, the reactivity during hydrogenation of multiple bonds of various types was assessed, taking into account their adsorption characteristics.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"267 - 291"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of Ni–Cu/Al2O3 Methane Decomposition Catalysts by Combustion Using Fuel Additives 燃料添加剂燃烧合成Ni-Cu /Al2O3甲烷分解催化剂
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S2070050426700145
P. B. Kurmashov, T. S. Gudyma, V. Golovakhin, A. A. Shishin, A. V. Ukhina, E. A. Maksimovskii, A. V. Ishchenko, A. G. Bannov
{"title":"Synthesis of Ni–Cu/Al2O3 Methane Decomposition Catalysts by Combustion Using Fuel Additives","authors":"P. B. Kurmashov,&nbsp;T. S. Gudyma,&nbsp;V. Golovakhin,&nbsp;A. A. Shishin,&nbsp;A. V. Ukhina,&nbsp;E. A. Maksimovskii,&nbsp;A. V. Ishchenko,&nbsp;A. G. Bannov","doi":"10.1134/S2070050426700145","DOIUrl":"10.1134/S2070050426700145","url":null,"abstract":"<p>The Ni–Cu/Al<sub>2</sub>O<sub>3</sub> catalysts used for the synthesis of carbon nanofibers and hydrogen were prepared by solution combustion synthesis using sucrose, urea, and oxalic acid as fuel. The resulting catalyst was a powder with a specific surface area of 60–128 m<sup>2</sup>/g. Catalyst samples were tested in a flow reactor at a temperature of 550°C in a methane medium at a pressure of 1 and 5 atm. The influence of organic fuel content on the composition and textural characteristics of resulting catalysts and their efficiency in the synthesis of carbon nanofibers and hydrogen was studied. The methane conversion was revealed to change within 5–17.5% and grow when the pressure was increased from 1 to 5 atm.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"199 - 214"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148751598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Catalytic Synthesis of 1-Butene by Ethylene Dimerization 乙烯二聚化催化合成1-丁烯
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S2070050426700170
R. M. Mironenko, A. V. Lavrenov
{"title":"Catalytic Synthesis of 1-Butene by Ethylene Dimerization","authors":"R. M. Mironenko,&nbsp;A. V. Lavrenov","doi":"10.1134/S2070050426700170","DOIUrl":"10.1134/S2070050426700170","url":null,"abstract":"<p>Catalytic ethylene dimerization is the basis of modern technologies for the production of high-purity 1-butene as a valuable semi-finished product of petrochemical synthesis, which is demanded primarily in the production of polymers for various purposes. The paper summarizes current information on the application areas of 1-butene in the chemical industry and the technologies for its catalytic synthesis from ethylene, and identifies trends and approaches in the development of selective ethylene dimerization catalysts.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"234 - 246"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148751597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of Cellulose Acetates. Part I: Acetylation of Cellulose under Acid Catalysis 醋酸纤维素的合成。第一部分：酸催化下纤维素的乙酰化
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S2070050426700261
T. B. Khlebnikova, T. B. Medvedeva, K. S. Cherepanova, N. V. Gromov, Z. P. Pai, V. N. Parmon
{"title":"Synthesis of Cellulose Acetates. Part I: Acetylation of Cellulose under Acid Catalysis","authors":"T. B. Khlebnikova,&nbsp;T. B. Medvedeva,&nbsp;K. S. Cherepanova,&nbsp;N. V. Gromov,&nbsp;Z. P. Pai,&nbsp;V. N. Parmon","doi":"10.1134/S2070050426700261","DOIUrl":"10.1134/S2070050426700261","url":null,"abstract":"<div><p>The studies of acid-catalyzed production of cellulose acetates derived from various types of biomass are reviewed in this work. Conventional acetylation methods in the presence of strong inorganic acids, transition metal salts, iodine or polyoxometalates are considered. Their disadvantages are corrosive activity and poor environmental performance (for example, formation of wastewater that requires disposal). The promising areas for further studies are the development of new regenerable catalysts and the regulation of the degree of substitution during acetylation in their use. Such systems may yield materials for their use in separators for energy storage devices, including supercapacitors.</p></div>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"338 - 359"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation of Highly Dispersed Ni/γ-Al2O3 Catalysts via the Heat Treatment of Deposited Basic Nickel Nitrate with a Hydrogen-Containing Gas 用含氢气体热处理沉积的碱式硝酸镍制备高分散Ni/γ-Al2O3催化剂
IF 0.9
Catalysis in Industry Pub Date : 2026-08-17 DOI: 10.1134/S2070050426700169
A. L. Nuzhdin, M. V. Bukhtiyarova, V. P. Pakharukova, E. M. Slavinskaya, I. V. Shamanaev, G. A. Bukhtiyarova
{"title":"Preparation of Highly Dispersed Ni/γ-Al2O3 Catalysts via the Heat Treatment of Deposited Basic Nickel Nitrate with a Hydrogen-Containing Gas","authors":"A. L. Nuzhdin,&nbsp;M. V. Bukhtiyarova,&nbsp;V. P. Pakharukova,&nbsp;E. M. Slavinskaya,&nbsp;I. V. Shamanaev,&nbsp;G. A. Bukhtiyarova","doi":"10.1134/S2070050426700169","DOIUrl":"10.1134/S2070050426700169","url":null,"abstract":"<p>The process of preparing a highly concentrated 18% Ni/Al<sub>2</sub>O<sub>3</sub> catalyst by means of γ-Al<sub>2</sub>O<sub>3</sub> impregnation with a nickel nitrate solution, followed by thermal treatment in a hydrogen-containing atmosphere is studied. The heat treatment of deposited Ni<sub>3</sub>(OH)<sub>4</sub>(NO<sub>3</sub>)<sub>2</sub>, which is mainly formed after the calcination of the impregnated support dried at 200°C in an H<sub>2</sub> medium (H<sub>2</sub> content, ≥20%) at 230°C, promotes the formation of a highly dispersed NiO phase. In this case, nitrate ions are completely removed without any growth of active component particles as compared to the Ni<sub>3</sub>(OH)<sub>4</sub>(NO<sub>3</sub>)<sub>2</sub> phase. Decreasing the H<sub>2</sub> concentration in the gas mixture reduces the nitrate decomposition rate and leads to the growth of active component particles at an H<sub>2</sub> content ≤5%. A hypothesis regarding the role of hydrogen in the catalyst precursor calcination process is proposed.</p>","PeriodicalId":507,"journal":{"name":"Catalysis in Industry","volume":"18 3","pages":"225 - 233"},"PeriodicalIF":0.9,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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