Chemical Engineering Science最新文献_第4页

Improved dissolution performance of V2CO anode by adding V phase to efficiently prepare metallic vanadium by molten salt electrolysis

IF 4.1 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-14 DOI: 10.1016/j.ces.2025.121672

Jialiang An , Mingyong Wang , Yadong Jia , Le Niu , Yongzheng Jia , Jianbang Ge , Shuqiang Jiao

{"title":"Improved dissolution performance of V2CO anode by adding V phase to efficiently prepare metallic vanadium by molten salt electrolysis","authors":"Jialiang An , Mingyong Wang , Yadong Jia , Le Niu , Yongzheng Jia , Jianbang Ge , Shuqiang Jiao","doi":"10.1016/j.ces.2025.121672","DOIUrl":"10.1016/j.ces.2025.121672","url":null,"abstract":"<div><div>Molten salt electrolysis with a consumable vanadium-containing anodes (such as V-Al, V-C, V<sub>2</sub>CO, et al) is a prospective strategy to produce metallic vanadium. Uniform dissolution and high utilization rate of vanadium-containing anodes are challenges. A dense V/V<sub>2</sub>CO composite anode is proposed to improve the dissolution performance, and synthetized by the sintering of V<sub>2</sub>CO solid solution and metallic vanadium. Compared to V<sub>2</sub>CO, the density and conductivity of V/V<sub>2</sub>CO cermet are obviously enlarged. The optimal content of metallic vanadium is 10 wt%. The density and conductivity of V/V<sub>2</sub>CO are 5.41 g/cm<sup>3</sup> and 2.4 × 10<sup>5</sup> S/m, respectively. In NaCl-KCl-5.24 wt% VCl<sub>2</sub> molten salts, the utilization rate of V/V<sub>2</sub>CO composite anode is up to 72 %. Cathode current efficiency and electricity consumption for metallic vanadium are 82 % and 1.24 kWh/kg, respectively. Dendritic metallic vanadium is obtained, and the purity reaches 99.65 %. A kiloampere-level electrolytic cell is simulated to identify the size of anode and cathode.</div></div>","PeriodicalId":271,"journal":{"name":"Chemical Engineering Science","volume":"312 ","pages":"Article 121672"},"PeriodicalIF":4.1,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143831963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A TFM-IBM method for Cartesian grid simulation of gas-solid flows in complex geometries 用于复杂几何形状中气固流动笛卡尔网格模拟的 TFM-IBM 方法

IF 4.1 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-14 DOI: 10.1016/j.ces.2025.121637

Yige Liu , Bidan Zhao , Ji Xu , Junwu Wang

引用次数: 0

Three-phase flow through rough-walled fractures: An experimental investigation of relative permeabilities under varying saturation histories

IF 4.7 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-11 DOI: 10.1016/j.ces.2025.121665

Mohammed Eliebid, Abdelhalim Mohamed, Maziar Arshadi, Mohammad Piri

{"title":"Three-phase flow through rough-walled fractures: An experimental investigation of relative permeabilities under varying saturation histories","authors":"Mohammed Eliebid, Abdelhalim Mohamed, Maziar Arshadi, Mohammad Piri","doi":"10.1016/j.ces.2025.121665","DOIUrl":"https://doi.org/10.1016/j.ces.2025.121665","url":null,"abstract":"Relative permeabilities are essential for assessing subsurface flow performance for applications such as hydrocarbon recovery, enhanced geothermal, CO<sub>2</sub> storage, Hydrogen geo-storage, and water resources management. This study presents a comprehensive macro-scale experimental investigation of three-phase relative permeabilities in rough-walled fractures across a broad range of saturation histories. The findings indicate that the brine relative permeability was primarily dependent on its saturation level. In contrast, oil relative permeability exhibited a pronounced dependence on saturation history, showing a quadratic correlation at low oil saturations (dominated by layer flow) and a quartic relationship at high saturations (governed by oil-filled fracture elements). Gas relative permeability was influenced by both its own saturation and saturation history. Higher flow rates were observed to enhance the relative permeabilities of both oil and gas. These trends are linked to changes in fluid configurations and transport dynamics within the fracture aperture.","PeriodicalId":271,"journal":{"name":"Chemical Engineering Science","volume":"75 1","pages":""},"PeriodicalIF":4.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Simultaneous water sterilization and photocatalytic degradation by full-spectrum responsive Zn3In2S6/WO3−x S-scheme heterojunction: Mechanism insight and toxicity assessment

IF 4.1 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-11 DOI: 10.1016/j.ces.2025.121651

Xiaofeng Liu , Zhenbang Meng , Weirui Chen , Rui Huang , Qiaoshan Chen , Qi He , Ri Chen , Lihua Zhou , Wenxia Wang

{"title":"Simultaneous water sterilization and photocatalytic degradation by full-spectrum responsive Zn3In2S6/WO3−x S-scheme heterojunction: Mechanism insight and toxicity assessment","authors":"Xiaofeng Liu , Zhenbang Meng , Weirui Chen , Rui Huang , Qiaoshan Chen , Qi He , Ri Chen , Lihua Zhou , Wenxia Wang","doi":"10.1016/j.ces.2025.121651","DOIUrl":"10.1016/j.ces.2025.121651","url":null,"abstract":"<div><div>It is crucial to develop highly efficient full-spectrum-responsive S-scheme heterojunctions for wastewater purification. Herein, an innovative Zn<sub>3</sub>In<sub>2</sub>S<sub>6</sub>/WO<sub>3</sub><sub>−</sub><sub>x</sub> heterojunction was synthesized, featuring full-spectrum responsiveness. It achieved 100 % inactivation of methicillin-resistant <em>Staphylococcus aureus</em> (MRSA) in 45 min and 90.34 % photocatalytic degradation of tetracycline (TC) in 120 min. Its effectiveness was mainly due to rapid charge separation <em>via</em> the S-scheme electron transfer pathway and near-infrared light absorption from the Localized Surface Plasmon Resonance (LSPR) effect of WO<sub>3−x</sub>. Importantly, it showed robust photocatalytic capacity under diverse conditions. Quenching experiments and EPR analysis confirmed that ·OH and ·O<sub>2</sub><sup>−</sup> played essential roles in photocatalytic degradation. Intermediate products were identified using LC-MS, 3D EEMs, and TOC, revealing the degradation pathway. Quantitative structure–activity relationship (QSAR) analysis suggested reduced ecotoxicity of pollutants. A potential mechanism for enhanced sterilization and photocatalytic degradation was proposed. This study provides a theoretical and experimental basis for designing novel heterojunctions for solar-assisted water purification.</div></div>","PeriodicalId":271,"journal":{"name":"Chemical Engineering Science","volume":"312 ","pages":"Article 121651"},"PeriodicalIF":4.1,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143820101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The growth habit of methane hydrate film at the Gas–liquid interface

IF 4.7 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-11 DOI: 10.1016/j.ces.2025.121622

Hui Zhang, Jing-Chun Feng, Bin Wang, Yongming Shen, Yue Zhang, Si Zhang

引用次数: 0

Segment Anything Model-Based Method for Precise Froth Size Determination in Floation Process

IF 4.7 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-11 DOI: 10.1016/j.ces.2025.121657

Jinglong Wang, Runda Jia, Jun Zheng, Mengyu Zhang, Dakuo He

引用次数: 0

From laboratory to outdoor: Construction of an integrated Fe3+ smart sensing platform and its agricultural applications

IF 4.1 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-11 DOI: 10.1016/j.ces.2025.121650

Li Sheng , Xingli Ding , Yulin Tang , Xu Cheng , Ge Zhang , Yuqiao Zhang , Min Ji , Jianming Zhang , Long Zhang

{"title":"From laboratory to outdoor: Construction of an integrated Fe3+ smart sensing platform and its agricultural applications","authors":"Li Sheng , Xingli Ding , Yulin Tang , Xu Cheng , Ge Zhang , Yuqiao Zhang , Min Ji , Jianming Zhang , Long Zhang","doi":"10.1016/j.ces.2025.121650","DOIUrl":"10.1016/j.ces.2025.121650","url":null,"abstract":"<div><div>In the realm of food quality and safety monitoring, traditional on-site detection methods have faced challenges. Conventional sensors often lack the ability to provide rapid and accurate results, with limited sensitivity and selectivity. They are also bulky, making them inconvenient for portable applications. To address these limitations, we developed a smart sensing platform using 3D printing. By incorporating a fluorescent hydrogel of poly(9-aminofluorene) (P9AF) and sodium alginate (SA) as the cross-linking substrate, the platform’s P9AF-SA film has a porous network. This structure offers enhanced ion transport channels and active sites, enabling rapid and selective detection of Fe<sup>3+</sup> ions among numerous anions and cations. A 3D printed smartphone-based readout device further enables portable detection. Our platform achieved a limit of detection (LOD) of 67.47 μg/L, far below the WHO safety threshold, and was successfully applied to agricultural products. This study not only provides a novel on-site detection device but also paves the way for developing highly efficient portable sensors, significantly advancing the field.</div></div>","PeriodicalId":271,"journal":{"name":"Chemical Engineering Science","volume":"312 ","pages":"Article 121650"},"PeriodicalIF":4.1,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143820104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Efficient dehydrogenation of ethanol to acetaldehyde over silica supported Cu catalyst prepared from microwave-assisted wet-kneading

IF 4.1 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-11 DOI: 10.1016/j.ces.2025.121664

Zerui Su , Jian Zhang , Yang Li , Zheyu Qiao , Ziyuan Qiao , Lihang Wei , Xiaoyuan Qin , Xiaoxue Mu , Feng-Shou Xiao

{"title":"Efficient dehydrogenation of ethanol to acetaldehyde over silica supported Cu catalyst prepared from microwave-assisted wet-kneading","authors":"Zerui Su , Jian Zhang , Yang Li , Zheyu Qiao , Ziyuan Qiao , Lihang Wei , Xiaoyuan Qin , Xiaoxue Mu , Feng-Shou Xiao","doi":"10.1016/j.ces.2025.121664","DOIUrl":"10.1016/j.ces.2025.121664","url":null,"abstract":"<div><div>Cu-based catalysts are crucial for the dehydrogenation of ethanol (EtOH) to acetaldehyde (AcH); however, their performance decreases at higher temperatures due to the low Tammann temperature of Cu species. In this study, we synthesized silica-supported Cu catalysts using microwave-assisted wet-kneading. Characterizations revealed a typical core–shell structure (Cu@SiO<sub>2</sub>-WK), which demonstrated high activity, excellent selectivity, and superior stability for ethanol dehydrogenation. The Cu@SiO<sub>2</sub>-WK achieved 96.2 % EtOH conversion with 99.9 % selectivity to AcH at 260 °C. After 160 h of reaction, it maintained an EtOH conversion of 90.5 % and AcH selectivity of ∼99.9 %. Following simple calcination, the catalyst’s activity was fully regenerated to 96.1 %. Model catalysts and <em>in situ</em> FT-IR spectra indicate that the core–shell structure significantly enhances the catalyst’s performance in the dehydrogenation of EtOH to AcH.</div></div>","PeriodicalId":271,"journal":{"name":"Chemical Engineering Science","volume":"312 ","pages":"Article 121664"},"PeriodicalIF":4.1,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143819939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mixture equilibrium and kinetics of flue gas components in CALF-20

IF 4.7 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-11 DOI: 10.1016/j.ces.2025.121663

Akhil Dilipkumar, Anshu Shukla, Dan Zhao, Shamsuzzaman Farooq

{"title":"Mixture equilibrium and kinetics of flue gas components in CALF-20","authors":"Akhil Dilipkumar, Anshu Shukla, Dan Zhao, Shamsuzzaman Farooq","doi":"10.1016/j.ces.2025.121663","DOIUrl":"https://doi.org/10.1016/j.ces.2025.121663","url":null,"abstract":"Binary and ternary mixture equilibrium and kinetic data for CO<sub>2</sub>, N<sub>2</sub> and H<sub>2</sub>O in CALF-20 particles over a wide range of temperatures (25–150 ⁰C), gas concentrations and relative humidity levels (0–90%) is presented. Data is obtained from the dynamic column breakthrough (DCB) method. Proposed empirically modified extended Sips – Henry equilibrium isotherm model reliably describes mixture equilibrium. The single component isotherm parameters are retained and new parameters from the empirical modification are calibrated with binary mixture data. The mixture isotherm model correctly predict measured ternary equilibrium data for CO<sub>2</sub>/H<sub>2</sub>O/N<sub>2</sub> mixtures. The linear driving force (LDF) mass transfer model with the rate constants calculated for Knudsen controlled macropore transport mechanism and equilibrium data from the mixture model accurately predict binary and ternary mixture breakthrough responses. The isosteric heat of adsorption for H<sub>2</sub>O in the presence of N<sub>2</sub>, CO<sub>2</sub> and helium elucidate adsorbate-adsorbent and adsorbate–adsorbate interactions.","PeriodicalId":271,"journal":{"name":"Chemical Engineering Science","volume":"16 1","pages":""},"PeriodicalIF":4.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143820102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Experimental study and mechanism analysis of coal spontaneous combustion inhibition based on oxidation characteristics of key coal reaction groups

IF 4.7 2区工程技术

Chemical Engineering Science Pub Date : 2025-04-11 DOI: 10.1016/j.ces.2025.121656

Xun Zhang, Chen Yu, Bing Lu, Gang Bai, Huimin Liang, Jieyu Li

{"title":"Experimental study and mechanism analysis of coal spontaneous combustion inhibition based on oxidation characteristics of key coal reaction groups","authors":"Xun Zhang, Chen Yu, Bing Lu, Gang Bai, Huimin Liang, Jieyu Li","doi":"10.1016/j.ces.2025.121656","DOIUrl":"https://doi.org/10.1016/j.ces.2025.121656","url":null,"abstract":"Based on the staged oxidation development process dominated by the temperature node of coal itself, the correlation contribution of the staged oxidation reaction of key active groups is thoroughly analyzed. The mathematical relationship between macroscopic gas characteristics and microscopic active groups of different coal samples was established. The exothermic mechanism of the self-reaction associated with the key active groups during the staged oxidation of coal was investigated using quantum chemical calculations. The performance of inhibitors is significantly diminished during the latent development stage of coal. The key temperature node accelerates the desorption of crystal water from the physical inhibitor, enabling it to act more effectively on the coal body. Meanwhile, the chemical antioxidant becomes more active in quenching and capturing key active groups, thereby inhibiting the chain reaction process and the release of heat from self-reactions. The critical temperature inhibition method ensures a more comprehensive suppression of coal oxidation at key stages. The research provides valuable insights and data support for enhancing the safety of coal storage and transportation.","PeriodicalId":271,"journal":{"name":"Chemical Engineering Science","volume":"25 1","pages":""},"PeriodicalIF":4.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143819940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0