Journal of Industrial and Engineering Chemistry最新文献

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Current and sustainable approaches in phosphate ore flotation: A review of eco-friendly reagents and their applications 磷矿浮选的现状和可持续发展途径:生态友好型药剂及其应用综述
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-19 DOI: 10.1016/j.jiec.2025.04.029
Zohra Farid, Mohamed Abdennouri, Noureddine Barka, M’hamed Sadiq
{"title":"Current and sustainable approaches in phosphate ore flotation: A review of eco-friendly reagents and their applications","authors":"Zohra Farid,&nbsp;Mohamed Abdennouri,&nbsp;Noureddine Barka,&nbsp;M’hamed Sadiq","doi":"10.1016/j.jiec.2025.04.029","DOIUrl":"10.1016/j.jiec.2025.04.029","url":null,"abstract":"<div><div>The demand for environmental friendliness is increasing as the industrialized world progresses. Froth flotation<span><span><span><span> is widely used in enrichment processes in the phosphate industry due to its low cost and simplicity of use. However, successful flotation processing requires several reagents, mostly synthetic chemicals commonly used in industry. To safeguard the environment, it is crucial to reconsider these chemicals, as their low </span>degradability can harm water resources and human health. As a result, most researchers have paid attention to the flotation separation of phosphate ore using eco-friendly alternative reagents, including </span>natural polymers, biosurfactants, and green chemicals. This review aims to present a comprehensive overview of the wide availability of eco-friendly reagents currently used in phosphate ore flotation. Additionally, the paper will examine the impact of these reagents on flotation performance, such as recovery rates and </span>selectivity<span>. Through this comprehensive analysis, we attempt to highlight the progress and challenges associated with the adoption of green reagents in the phosphate industry, thereby contributing to the development of more sustainable mineral processing practices.</span></span></div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 131-145"},"PeriodicalIF":5.9,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Silver nanowire/partially reduced graphene oxide-based nanocomposite hydrogel system for highly sensitive wearable strain sensor applications 用于高灵敏度可穿戴应变传感器的银纳米线/部分还原氧化石墨烯基纳米复合水凝胶系统
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-19 DOI: 10.1016/j.jiec.2025.04.035
Yeonhee Oh , Jongseon Choi , Joongpyo Shim , So Yeon Kim
{"title":"Silver nanowire/partially reduced graphene oxide-based nanocomposite hydrogel system for highly sensitive wearable strain sensor applications","authors":"Yeonhee Oh ,&nbsp;Jongseon Choi ,&nbsp;Joongpyo Shim ,&nbsp;So Yeon Kim","doi":"10.1016/j.jiec.2025.04.035","DOIUrl":"10.1016/j.jiec.2025.04.035","url":null,"abstract":"<div><div><span>We designed a conductive nanocomposite hydrogel system for flexible strain sensor materials with excellent strain sensitivity and electrical stability, high flexibility and stretchability, and rapid self-healing properties. Silver nanowires (AgNWs) with a high aspect ratio of 74.9 that can impart excellent electrical properties to the hydrogel and partially reduced graphene oxide (PRGO) with excellent electrical conductivity and water solubility were prepared. AgNW/PRGO-based (AN/PRGO) conductive nanocomposite hydrogels with a double network structure showed high stretchability greater than 1,051% and excellent self-healing properties. Particularly, poly(acrylic acid) (PA)-AN100/PRGO100 hydrogel showed 258.7 times better conductivity than those without AgNW components and 3.1 times better conductivity than those without PRGO. The conductivity of hydrogels could be controlled by varying the contents of AgNW and PRGO. The gauge factor (GF) of hydrogels increased with increasing conductivity, and GF showed higher values even in the low strain region of 0–75% than in the high strain region, indicating high sensitivity to small deformation. The PA-AN100/PRGO100 hydrogels were able to adhere well to the skin due to their excellent self-adhesion despite large and repetitive movements, and they maintained good sensitivity for both subtle muscle movements and large joint bending movements. </span><em>In vitro</em> cytotoxicity results showed a relatively high cell viability greater than 93%, indicating that the hydrogels had no significant cytotoxicity. Therefore, AgNW/PRGO-based nanocomposite hydrogels could be a promising material for wearable strain sensor applications.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 653-666"},"PeriodicalIF":5.9,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145048060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Enhanced carrier transport in Wurtzite-Sphalerite phase Engineered CdS integrated with CoBOx for High-Performance photoelectrochemical water oxidation 集成了CoBOx的工程CdS用于高性能光电化学水氧化
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-17 DOI: 10.1016/j.jiec.2025.04.001
Thangavel Sakthivel, Ji Woong Chang
{"title":"Enhanced carrier transport in Wurtzite-Sphalerite phase Engineered CdS integrated with CoBOx for High-Performance photoelectrochemical water oxidation","authors":"Thangavel Sakthivel,&nbsp;Ji Woong Chang","doi":"10.1016/j.jiec.2025.04.001","DOIUrl":"10.1016/j.jiec.2025.04.001","url":null,"abstract":"<div><div><span><span>In this work, to dwindle bulk recombination we designed a multi-phase (wurtzite-sphalerite) mCdS (sphere, wire and plate) heterostructure<span><span> through a novel cation exchange approach. Then customize the mCdS surface with amorphous CoBOx as an oxygen evolution cocatalyst (OEC) to improve the hole utilization and reduce the </span>surface recombination<span>. Plates like mCdS@a-CoBOx photoanodes delivered a significant </span></span></span>photocurrent density 1.6 mA cm</span><sup>−2</sup><span><span><span><span> at 1.23 V, which is approximately fourfold higher with respect to unmodified mCdS plates. The applied bias photon-current-efficiency of plates mCdS@a-CoBOx also improved two-fold compared to bare mCdS plates. Internal phase junction in mCdS substantially reduces the photoelectron-hole recombination due to the different work functions in wurtzite-sphalerite. Decorated a-CoBOx reduces surface recombination, improves migration, uplifts the electrochemical active </span>surface area<span>, and expedited the hole transfer from CdS to active site a-CoBOx. The structural and chemical characteristics of the photoanode are studied by XRD, </span></span>XPS, FE-SEM, Cs-TEM and water contact angle. In addition to this, the </span>optoelectronic properties were studied using UV-DRS, Mott-schotty and P-EIS technique. This study paves the way for designing single step synthesis phase junction photoanodes and their OEC modifications to secure high efficiency.</span></div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 357-364"},"PeriodicalIF":5.9,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Implementation of integrated Palygorskite with copper–aluminum layered double hydroxides composite in superior nitrate pollutant removal from wastewater 坡缕石与铜铝层状双氢氧化物复合材料在废水中硝酸盐污染物去除中的应用
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-16 DOI: 10.1016/j.jiec.2025.04.032
Gehan M. Nabil , Mohammed K. Obada , Mohamed E. Mahmoud
{"title":"Implementation of integrated Palygorskite with copper–aluminum layered double hydroxides composite in superior nitrate pollutant removal from wastewater","authors":"Gehan M. Nabil ,&nbsp;Mohammed K. Obada ,&nbsp;Mohamed E. Mahmoud","doi":"10.1016/j.jiec.2025.04.032","DOIUrl":"10.1016/j.jiec.2025.04.032","url":null,"abstract":"<div><div>Environmental pollution with nitrate is a major issue of concern these days. Nitrate form highly stable nitrogenous compounds due to the extreme usage of nitrate fertilizers. However, most water treatment methods are ineffective in terms of nitrate removal and generation of secondary wastes as well. Consequently, this investigation is directed to assemble a novel, sustainable and ecofriendly Palygorskite (Fullers earth)-immobilized-Cu<sup>2+</sup>/Al<sup>3+</sup><span> LDHs (Pal</span><sub>500</sub>@Cu<sup>2+</sup>-Al<sup>3+</sup> LDHs) composite. Removal of 10.0 - 20.0 mg L<sup>-1</sup> NO<sub>3</sub><sup>–</sup> were thoroughly investigated and significantly concluded that pH 3.0, time 50 min, temperature 25 °C and 10 mg composite are the optimum conditions. The removal of NO<sub>3</sub><sup>–</sup> by Pal<sub>500</sub>@Cu<sup>2+</sup>-Al<sup>3+</sup> LDHs was accomplished by a combination of pseudo-first-order model and Bangham expressions. Additionally thermodynamic parameters confirmed NO<sub>3</sub><sup>–</sup> removal via exothermic and spontaneous adsorption process including a dissociative mechanism. The interaction and binding modes of NO<sub>3</sub><sup>–</sup> ions to Pal<sub>500</sub>@Cu<sup>2+</sup>-Al<sup>3+</sup> were proposed via ion-pair interaction and anion-exchange mechanisms. Additionally, 200 and 250 mg of Pal<sub>500</sub>@Cu<sup>2+</sup>-Al<sup>3+</sup> LDHs exhibited excellent NO<sub>3</sub><sup>–</sup> recovery from real agricultural drainage wastewater providing 81.0 and 98.0 %, respectively. Moreover, the explored Pal<sub>500</sub>@Cu<sup>2+</sup>-Al<sup>3+</sup> LDHs afforded good stability towards adsorption and desorption regeneration processes up to five successive cycles. Consequently, the collected results from this study verify the validity of Pal<sub>500</sub>@Cu<sup>2+</sup>-Al<sup>3+</sup> LDHs for exceptional removal of NO<sub>3</sub><sup>–</sup> from real agricultural drainage wastewater.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 605-617"},"PeriodicalIF":5.9,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145048057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Influence of Matrix, Filler, and structural design on the dielectric and energy storage properties of cellulose composites 基质、填料和结构设计对纤维素复合材料介电和储能性能的影响
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-16 DOI: 10.1016/j.jiec.2025.04.025
Mohammed Arif Poothanari , Hanuma Reddy Tiyyagura , Yasir Beeran Pottathara
{"title":"Influence of Matrix, Filler, and structural design on the dielectric and energy storage properties of cellulose composites","authors":"Mohammed Arif Poothanari ,&nbsp;Hanuma Reddy Tiyyagura ,&nbsp;Yasir Beeran Pottathara","doi":"10.1016/j.jiec.2025.04.025","DOIUrl":"10.1016/j.jiec.2025.04.025","url":null,"abstract":"<div><div>Cellulose is a renewable, biodegradable, cost-effective, and easy-to-process natural biopolymer. Because of its dielectric, piezoelectric, and mechanical performance, cellulose and its composites are often used as a matrix, filler, substrate, gel electrolyte, and dielectric layer for flexible energy storage devices. They offer easy fabrication strategies and excellent mechanical properties. In this mini-review, we summarized the principles of dielectric and energy storage features of cellulose composites and factors affecting their dielectric properties, mainly exploring the incorporation of various filler materials in the cellulose matrices and cellulose materials acting as different types of fillers. Moreover, the fabrication strategies, structural design, and matrix-filler interactions of cellulose composites enhance their dielectric properties as systematically reviewed. This review summarizes the current state-of-the-art progress of cellulose dielectric composites, challenges, and future outlook for green dielectric and energy storage devices. The review suggests that optimizing the filler type, cellulose fiber content, fabrication techniques, and structural design can significantly enhance the dielectric properties and energy storage capacity of cellulose composites.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 112-130"},"PeriodicalIF":5.9,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Delignified wood aerogels functionalized with Ag nanoparticles for efficient catalytic reduction of 4-nitrophenol and dyes 用纳米银功能化的脱木质素木气凝胶高效催化还原4-硝基苯酚和染料
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-14 DOI: 10.1016/j.jiec.2025.04.028
Seo-Young Ma , Ramakrishna Dadigala , Seung-Woo Cho , Song-Yi Han , Da-Young Lee , Ju-Won Jin , Hae-Chan Moon , Rajkumar Bandi , Gu-Joong Kwon , Seung-Hwan Lee
{"title":"Delignified wood aerogels functionalized with Ag nanoparticles for efficient catalytic reduction of 4-nitrophenol and dyes","authors":"Seo-Young Ma ,&nbsp;Ramakrishna Dadigala ,&nbsp;Seung-Woo Cho ,&nbsp;Song-Yi Han ,&nbsp;Da-Young Lee ,&nbsp;Ju-Won Jin ,&nbsp;Hae-Chan Moon ,&nbsp;Rajkumar Bandi ,&nbsp;Gu-Joong Kwon ,&nbsp;Seung-Hwan Lee","doi":"10.1016/j.jiec.2025.04.028","DOIUrl":"10.1016/j.jiec.2025.04.028","url":null,"abstract":"<div><div>Wood, a versatile, low-cost, and biodegradable material, holds great promise for water purification applications. However, its inherently low surface area and limited porosity present significant challenges. To overcome these limitations, we developed porous wood aerogels<span> through delignification followed by in-situ functionalization with silver nanoparticles (AgNPs). The impact of delignification on crystallinity, surface functional groups, and morphology of the wood aerogels was thoroughly investigated and AgNPs preparation conditions were optimized using ICP-OES. Structural and chemical modifications were further analyzed using FTIR, XRD, XPS, and SEM, revealing preserved cellulose crystallinity and uniform AgNPs distribution. These AgNPs/wood aerogels demonstrated exceptional efficiency as filter materials, achieving over 90 % reduction of 4-nitrophenol at a flow rate of 2 mL/min, significantly outperforming non-delignified AgNPs/wood aerogels, which sustained only 0.5 mL/min. The aerogel also effectively degraded cationic (methylene blue) and anionic (Congo red) dyes, demonstrating its versatility for water treatment. Stability tests showed the material maintained over 90 % catalytic efficiency for 20 cycles without significant structural deterioration, as confirmed by post-reaction XRD, XPS, ICP-OES and SEM analyses. Applicability in real water samples was demonstrated using river, lake, and tap water, and a catalytic reduction mechanism was proposed.</span></div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 565-575"},"PeriodicalIF":5.9,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145048054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Impact of adsorption inhibitory phenomenon of microplastics on lithium recovery using adsorbents from liquid lithium resources 微塑料吸附抑制现象对液态锂资源中吸附剂回收锂的影响
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-14 DOI: 10.1016/j.jiec.2025.04.022
Seungeun Lee , Hyeongjun Park , Minho Lee , Gukhwa Hwang
{"title":"Impact of adsorption inhibitory phenomenon of microplastics on lithium recovery using adsorbents from liquid lithium resources","authors":"Seungeun Lee ,&nbsp;Hyeongjun Park ,&nbsp;Minho Lee ,&nbsp;Gukhwa Hwang","doi":"10.1016/j.jiec.2025.04.022","DOIUrl":"10.1016/j.jiec.2025.04.022","url":null,"abstract":"<div><div>Seawater contains an estimated 230 billion metric tons of dissolved lithium, representing a significant and stable potential resource to support a diverse lithium supply. However, the influence of microplastics on lithium recovery has not been previously explored despite their pervasive presence in marine environments. This study investigates the effects of carboxylate-modified polystyrene (PS), a commonly found microplastic, on lithium recovery using the synthesized adsorbent H<sub>1.6</sub>Mn<sub>1.6</sub>O<sub>4</sub>. Various concentrations and particle sizes of PS were introduced into the adsorption system to evaluate their impact on lithium adsorption. The results indicate that the adsorption performance of H<sub>1.6</sub>Mn<sub>1.6</sub>O<sub>4</sub> was significantly hindered by the presence of PS, with a notable decline in efficiency observed as PS concentration and particle size increased. The inhibitory effects became pronounced 12 h after the initiation of the experiment. These findings reveal potential technical and environmental challenges in lithium recovery from seawater, emphasizing the need to consider microplastic contamination. This study provides valuable insights for advancing sustainable lithium extraction technologies and guiding future research efforts.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 513-523"},"PeriodicalIF":5.9,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Closed-loop bioleaching for mobile phones from the bioregeneration of the leaching agent to the recovery of metal: A review 从浸出剂生物再生到金属回收的手机闭环生物浸出研究综述
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-14 DOI: 10.1016/j.jiec.2025.04.020
Joan Morell, Conxita Lao-Luque, Montserrat Sole-Sardans, David Ribas, Xavier Guimerà, Antonio David Dorado
{"title":"Closed-loop bioleaching for mobile phones from the bioregeneration of the leaching agent to the recovery of metal: A review","authors":"Joan Morell,&nbsp;Conxita Lao-Luque,&nbsp;Montserrat Sole-Sardans,&nbsp;David Ribas,&nbsp;Xavier Guimerà,&nbsp;Antonio David Dorado","doi":"10.1016/j.jiec.2025.04.020","DOIUrl":"10.1016/j.jiec.2025.04.020","url":null,"abstract":"<div><div>The rapid accumulation of electronic waste (e-waste) poses a pressing environmental challenge because of the toxic substances it contains, and the growing demand for metals required to sustain manufacturing. This review explores the potential of closed-loop bioleaching as a sustainable and eco-friendly solution for metal recovery, focusing on end-of-life mobile phones. The process is structured into four interconnected stages: (1) bioproduction of the leaching agent, leveraging microorganisms such as <em>Acidithiobacillus ferrooxidans</em> to oxidize Fe<sup>2+</sup> to Fe<sup>3+</sup>; (2) pre-treatment of e-waste, which employs mechanical processes to optimize materials for leaching; (3) leaching, where Fe<sup>3+</sup> solubilizes valuable metals from pre-treated e-waste; and (4) metal recovery, using methods such as solvent extraction, ion exchange, and electrodeposition. This review examined the critical parameters that influence these stages, including culture medium composition, pH, aeration rates, and the heterogeneous nature of e-waste. Compared to traditional pyrometallurgical and hydrometallurgical approaches, bioleaching offers advantages such as reduced energy consumption and a lower environmental impact. However, challenges remain such as improving the reaction kinetics, mitigating the inhibitory effects of metal accumulation, and scaling up the process for industrial applications. Therefore, this study identifies the key priorities for advancing closed-loop bioleaching: optimizing bioprocess efficiency, integrating automation and real-time monitoring systems, and addressing regulatory and economic barriers to large-scale implementation. By providing a comprehensive analysis of the bioleaching process and its applications, this review highlights its transformative potential in driving a circular economy and fostering the sustainable valorization of e-waste.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 90-111"},"PeriodicalIF":5.9,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Manganese-promoted sodium roasting and electric field-assisted leaching of vanadium slag for enhanced vanadium extraction 锰促进钠焙烧和电场辅助浸出钒渣强化提钒
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-13 DOI: 10.1016/j.jiec.2025.04.027
Kang Tang , Haidong Zhong , Yan Chen , Jingrui Li , Jun Du , Zuohua Liu , Renlong Liu , Changyuan Tao
{"title":"Manganese-promoted sodium roasting and electric field-assisted leaching of vanadium slag for enhanced vanadium extraction","authors":"Kang Tang ,&nbsp;Haidong Zhong ,&nbsp;Yan Chen ,&nbsp;Jingrui Li ,&nbsp;Jun Du ,&nbsp;Zuohua Liu ,&nbsp;Renlong Liu ,&nbsp;Changyuan Tao","doi":"10.1016/j.jiec.2025.04.027","DOIUrl":"10.1016/j.jiec.2025.04.027","url":null,"abstract":"<div><div>Vanadium slag (V-slag) is the primary raw material for vanadium extraction. Enhancing vanadium recovery and reducing roasting temperatures are key challenges. The conventional vanadium extraction process is characterized by high energy consumption and inefficient utilization of V-slag. This study proposes a manganese-promoted sodium<span><span> roasting process (N-M roasting), followed by electric field-assisted leaching. The results of X-ray diffraction (XRD), X-ray photoelectron spectroscopy<span> (XPS), scanning electron microscopy (SEM), and thermoanalysis demonstrate that the N-M roasting process effectively promotes the formation of vanadates. As a result, the roasting temperature was reduced to 973 K. The electric field-assisted leaching enhances the </span></span>oxidation of low-valent vanadium at the anode. This dual process intensification of roasting and leaching increases the vanadium leaching rate to 94 %, representing an improvement of approximately 25 percentage points compared to the blank control. The new process significantly reduces energy consumption and improves vanadium recovery.</span></div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 556-564"},"PeriodicalIF":5.9,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145048053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Direct design of crystallization-induced deracemization through direct nucleation control (DNC) 通过直接成核控制(DNC)直接设计结晶诱导离晶化
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-04-12 DOI: 10.1016/j.jiec.2025.04.021
Botond Szilágyi
{"title":"Direct design of crystallization-induced deracemization through direct nucleation control (DNC)","authors":"Botond Szilágyi","doi":"10.1016/j.jiec.2025.04.021","DOIUrl":"10.1016/j.jiec.2025.04.021","url":null,"abstract":"<div><div>This paper investigates the feasibility of direct nucleation control (DNC) for the rapid design of conglomerates’ temperature cycling induced deracemization (TCID) to obtain enantiopure products in a particle size-controlled way in a single, well-operated crystallization step. The operation is supported by enantiopure seeding in amount and size distribution that translates to the desired product size according to the material balance and McCabe’s ΔL law, assuming that there are no distomer crystals in the product. The DNC ensures that in the case of any nucleation (the target enantiomer or the distomer), the newly formed crystals are dissolved, and the solids’ enantiopurity and size distribution integrity are preserved. In this context, a routinely used in-line tool, e.g., imaging or laser back-scattering-based, can help to control the deracemization in an inferential way that would be difficult to monitor directly. The simulation studies performed based on population balance-based modeling indicated the feasibility of the approach, and the thorough parametric study revealed that there is a correlation between the DNC settings and kinetic properties of the crystallization and the racemization. A SHAP interpretation of an extreme gradient boosting-based classifier allowed us to draw practical conclusions about the desired DNC operation, including working in a high-temperature range, minimizing the stirring rate, and using broader DNC count ranges. The experimental validation of the concept has yet to be performed, and it can be guided by leveraging the knowledge generated in this paper.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"151 ","pages":"Pages 502-512"},"PeriodicalIF":5.9,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
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