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Analysis of solidification behavior and roasting isothermal kinetics of free-alkali in Bayer red mud 拜耳赤泥中游离碱的凝固行为及焙烧等温动力学分析
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-19 DOI: 10.1016/j.jiec.2025.05.039
Xiao Liu , Jie Fan , Kaibo Cui , Ningbo Song , Liqing Sun
{"title":"Analysis of solidification behavior and roasting isothermal kinetics of free-alkali in Bayer red mud","authors":"Xiao Liu ,&nbsp;Jie Fan ,&nbsp;Kaibo Cui ,&nbsp;Ningbo Song ,&nbsp;Liqing Sun","doi":"10.1016/j.jiec.2025.05.039","DOIUrl":"10.1016/j.jiec.2025.05.039","url":null,"abstract":"<div><div><span>Red mud is difficult to be used directly in building material<span> due to its strong alkalinity, especially the free-alkali. Recent studies have found that roasting can effectively solidify the free-alkali in red mud. However, the alkali-solidification kinetics of red mud have not been studied. In this paper, thermal analysis and isothermal kinetics of alkali-solidification process of red mud by roasting were systematically investigated. The results showed that high temperatures above 800 ℃ were conducive to improving the reaction rate of alkali-solidification. The most probable mechanism function was the D</span></span><sub>6</sub><span> model in diffusion models, which indicated that three-dimensional diffusion was the limiting link of the alkali-solidification process. According to the determined mechanism function, the corresponding preexponential factor A was calculated to be 19.36 min</span><sup>−1</sup><span>, the apparent activation energy E</span><sub>a</sub> was 97.62 kJ·mol<sup>−1</sup>. Meanwhile, SEM-EDS analyses verified the alkali-solidification mechanism. This research provides important insight into the efficient solidification of free-alkali in red mud.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 709-718"},"PeriodicalIF":5.9,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145278275","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
Feasibility of CO2 capture by MEA solvent in blue hydrogen production from waste plastics 废塑料蓝色制氢中MEA溶剂捕集CO2的可行性
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-19 DOI: 10.1016/j.jiec.2025.05.027
Sakib Tanvir Hossain , M.A. Parvez Mahmud
{"title":"Feasibility of CO2 capture by MEA solvent in blue hydrogen production from waste plastics","authors":"Sakib Tanvir Hossain ,&nbsp;M.A. Parvez Mahmud","doi":"10.1016/j.jiec.2025.05.027","DOIUrl":"10.1016/j.jiec.2025.05.027","url":null,"abstract":"<div><div><span>As global energy demand gradually increases due to environmental concerns, hydrogen production<span> integrated with a carbon capture system has emerged as a highly anticipated solution in the sustainable energy field. This study primarily focuses on the viability of a carbon capture and storage (CCS) system utilizing monoethanolamine (MEA) as the solvent from the flue gas which was previously derived from hydrogen (H</span></span><sub>2</sub><span>) production from waste plastics through a three-phase process involving pyrolysis<span>, steam methane reforming (SMR) and the water–gas shift reaction. The entire system has been modelled through extensive simulations in Aspen Plus software and successfully validated using pilot plant data. As a result, the feasibility of CO</span></span><sub>2</sub><span> capture has been successfully investigated throughout the procedure. Moreover, by optimising the process, the system has achieved carbon dioxide (CO</span><sub>2</sub>) capture efficiencies of up to 99.4 % with an optimal lean flow rate of approximately 400 kg/h, while the peak CO<sub>2</sub> loading has reached around 3.4723 in the rich outstream. Modifications to the packed height and diameter of the absorber and stripper units have also significantly enhanced process efficiency and optimized energy consumption. These advancements have highlighted the potential for substantial improvements in CO<sub>2</sub><span> capture technologies and underscored the critical role of simulation tools in advancing environmentally sustainable hydrogen production.</span></div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 602-613"},"PeriodicalIF":5.9,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145278280","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
Understanding the synergistic effects of CO2-impregnated zeolite in cement pastes blended with 70% BOFS 了解二氧化碳浸渍沸石对70% BOFS水泥浆的增效作用
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-19 DOI: 10.1016/j.jiec.2025.05.037
Zhikai Wang , Ba Tung Pham , Xiaoli Wang , Tung-Chai Ling
{"title":"Understanding the synergistic effects of CO2-impregnated zeolite in cement pastes blended with 70% BOFS","authors":"Zhikai Wang ,&nbsp;Ba Tung Pham ,&nbsp;Xiaoli Wang ,&nbsp;Tung-Chai Ling","doi":"10.1016/j.jiec.2025.05.037","DOIUrl":"10.1016/j.jiec.2025.05.037","url":null,"abstract":"<div><div><span>This study investigates the synergistic effects of integrating CO</span><sub>2</sub><span><span>-impregnated 13X zeolite into </span>cement pastes<span> blended with 70 % basic oxygen furnace slag (BOFS). Replacing 10–20 wt% of BOFS with either the as-received or CO</span></span><sub>2</sub><span><span>-impregnated zeolite, enabled a systematic investigation into the mechanisms affecting both fresh and hardened properties. The results revealed that the as-received zeolite initiated early-stage pozzolanic reactions<span><span>, reducing flowability by 1–5 % and shortening setting times by 23–72 %, while enhancing </span>compressive strength at 1–3 days by 35–123 %. However, at later stages (7–28 days), the fragile </span></span>interfacial transition zone<span> (ITZ) between zeolite and the BOFS-OPC hardened pastes, coupled with the inherently low strength<span> of zeolite, resulted in a 5–16 % reduction in compressive strength. The incorporation of CO</span></span></span><sub>2</sub><span>-impregnated zeolite triggered internal carbonation, decreasing the availability of Ca(OH)</span><sub>2</sub> from BOFS and forming CaCO<sub>3</sub><span> that initially inhibited pozzolanic activity. This led to a 34 % reduction in flowability and lower early strength compared to as-received zeolite pastes. At later stages, CaCO</span><sub>3</sub><span> densified the matrix, improving interfacial bonding and compensating for zeolite’s inherent weaknesses, ultimately improving strength. The 20 wt% CO</span><sub>2</sub><span>-impregnated zeolite blend demonstrated the optimal performance, balancing early strength enhancement with long-term performance due to the strength-enhancing effect of CaCO</span><sub>3</sub>.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 684-696"},"PeriodicalIF":5.9,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145278383","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
Selective separation of potentially toxic elements from simulated nickel-plating wastewater using rotating disk ultrafiltration membrane 转盘式超滤膜选择性分离模拟镀镍废水中的潜在有毒元素
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-18 DOI: 10.1016/j.jiec.2025.05.026
Han Zhou , Zili Chen , Qiang Zhang, Yunren Qiu
{"title":"Selective separation of potentially toxic elements from simulated nickel-plating wastewater using rotating disk ultrafiltration membrane","authors":"Han Zhou ,&nbsp;Zili Chen ,&nbsp;Qiang Zhang,&nbsp;Yunren Qiu","doi":"10.1016/j.jiec.2025.05.026","DOIUrl":"10.1016/j.jiec.2025.05.026","url":null,"abstract":"<div><div><span>This study proposes a novel approach for removing potentially toxic metal contaminants from industrial electroplating effluents using a rotating disk ultrafiltration<span> membrane (RDM) with copolymer<span><span> of maleic acid and acrylic acid (PMA) as the </span>complexing agent. The effects of pH and P/M (mass ratio of PMA to metal ions) on metal rejection were investigated, achieving an optimal removal rate of 98 % at pH 6.0 and P/M 8. The shear-induced orderly dissociation-ultrafiltration (SIOD-UF) process was employed to selectively separate Zn(II), Cr(III), Ni(II), and Cu(II), with separation coefficients of </span></span></span><em>β</em><sub>Zn/Cr</sub> = 95.5, <em>β</em><sub>Cr/Ni</sub> = 42.0, and <em>β</em><sub>Ni/Cu</sub><span> = 47.3. Computational fluid dynamics (CFD) analysis was utilized to determine shear rate distribution, and the critical shear rates (γc) of PMA-metal complexes were calculated as 1.14 × 10</span><sup>5</sup>, 1.48 × 10<sup>5</sup>, 2.07 × 10<sup>5</sup>, and 1.21 × 10<sup>4</sup> s<sup>−1</sup><span> for PMA-Cr, PMA-Ni, PMA-Cu, and PMA-Zn, respectively. In the final stage, Cu(II) was separated simultaneously with the regeneration of PMA. SIOD-UF is an efficient and selective metal separation method, free of additional acid or alkali consumption, providing a promising green solution for industrial wastewater treatment.</span></div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 589-601"},"PeriodicalIF":5.9,"publicationDate":"2025-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145278282","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
Dehydration of cloudy-diesel using poly(acrylamide-co-sodium polyacrylate) hydrogel grafted onto cellulose 聚丙烯酰胺-聚丙烯酸钠水凝胶接枝纤维素脱水柴油
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-17 DOI: 10.1016/j.jiec.2025.05.034
Isadora Dias Perez , Bianca Ramos Estevam , Giovana Almenara , João B.P. Soares , Melissa Gurgel Adeodato Vieira , Leonardo Vasconcelos Fregolente
{"title":"Dehydration of cloudy-diesel using poly(acrylamide-co-sodium polyacrylate) hydrogel grafted onto cellulose","authors":"Isadora Dias Perez ,&nbsp;Bianca Ramos Estevam ,&nbsp;Giovana Almenara ,&nbsp;João B.P. Soares ,&nbsp;Melissa Gurgel Adeodato Vieira ,&nbsp;Leonardo Vasconcelos Fregolente","doi":"10.1016/j.jiec.2025.05.034","DOIUrl":"10.1016/j.jiec.2025.05.034","url":null,"abstract":"<div><div>This article discusses the synthesis and application of poly(sodium acrylate-co-acrylamide) grafted onto cellulose hydrogel to remove water from diesel. The synthesis of the hydrogel was evaluated using a 2<sup>3</sup> factorial design with two initiation methods (redox or thermal), two cellulose types (cellulose nanocrystal − CNC or hydroxyethyl cellulose − HEC), and two cellulose loadings (4 % or 10 %). The hydrogel swelling degree and final water concentration on diesel were used as responses. The best-performing hydrogel was made with CNC using the redox initiation system, and the cellulose loading was not significant. This hydrogel swelled less but presented significantly higher mechanical properties, with Young’s modulus and toughness increased by 132 % and 31 % compared to the ungrafted formulations, respectively. Additionally, the cellulose-grafted hydrogels presented a faster water removal from diesel, reducing its water content from 5,000 to 150 <span><span>mg.kg</span><svg><path></path></svg></span><sup>−1</sup> in just 2 h. The material proves capable of being reused in more than one cycle of oil treatment, maintaining higher dehydration efficiency (up to 97 %). Cellulose-grafted hydrogels also reduce the turbidity of fuel and make it more compatible with standard requirements. Thus, this study presents the optimum conditions for synthesizing a highly promising material for oil dehydration.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 652-664"},"PeriodicalIF":5.9,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145278285","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
Optimized layered microneedle design for precise transdermal drug delivery: Overcoming skin elasticity Challenges 优化层状微针设计,用于精确透皮给药:克服皮肤弹性挑战
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-17 DOI: 10.1016/j.jiec.2025.05.021
Yuan Ling , Yu Chen He , Nan Su , Na Chen , Ming Wen Ou Yang , Ruixuan Liu , Bo Zhi Chen , Xin Dong Guo
{"title":"Optimized layered microneedle design for precise transdermal drug delivery: Overcoming skin elasticity Challenges","authors":"Yuan Ling ,&nbsp;Yu Chen He ,&nbsp;Nan Su ,&nbsp;Na Chen ,&nbsp;Ming Wen Ou Yang ,&nbsp;Ruixuan Liu ,&nbsp;Bo Zhi Chen ,&nbsp;Xin Dong Guo","doi":"10.1016/j.jiec.2025.05.021","DOIUrl":"10.1016/j.jiec.2025.05.021","url":null,"abstract":"<div><div><span><span><span>Microneedle-based transdermal </span>drug delivery has shown great potential for effective medication, yet traditional microneedle designs encounter difficulties in overcoming skin elasticity, often leading to incomplete penetration and inaccurate drug delivery. In this study, we engineered a unique layered microneedle (LMNs) structure based on material properties to address these limitations. In vitro tests confirmed the LMNs possess excellent </span>mechanical strength<span> and moisture resistance. Puncture and hypoglycemic experiments in </span></span>mice<span> demonstrated that compared with the insulin injection group, where blood glucose drops rapidly to 20% of the baseline, the insulin-loaded LMNs group shows a gentler blood glucose regulation, with a 25% decrease at 35 min followed by a gradual rebound. The LMNs’ design effectively surmount the limitations of skin elasticity, with the drug-carrying part fully inserted into the skin, enabling precise control of the drug dosage at the target site and enhancing overall drug delivery precision. Overall, LMNs exhibit distinct advantages in precise drug delivery and have broad application prospects in transdermal drug delivery and various clinical treatment scenarios.</span></div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 533-542"},"PeriodicalIF":5.9,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145278268","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
Preparation of wax esters from palmitic acid for superhydrophobic coating 用棕榈酸制备超疏水涂料用蜡酯
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-17 DOI: 10.1016/j.jiec.2025.05.033
Nattakamon Deemoonmang , Dusadee Tumnantong , Boonyawan Yoosuk , Chawalit Ngamcharussrivichai , Pattarapan Prasassarakich
{"title":"Preparation of wax esters from palmitic acid for superhydrophobic coating","authors":"Nattakamon Deemoonmang ,&nbsp;Dusadee Tumnantong ,&nbsp;Boonyawan Yoosuk ,&nbsp;Chawalit Ngamcharussrivichai ,&nbsp;Pattarapan Prasassarakich","doi":"10.1016/j.jiec.2025.05.033","DOIUrl":"10.1016/j.jiec.2025.05.033","url":null,"abstract":"<div><div><span><span>Based on the desire for value-added palm oil products, the conversion of palm oil to wax esters consisting of between 38 and 44 carbon atoms has gained in attention. These important wax compounds are derived from the esterification<span><span> of long-chain alcohols and fatty acids. This work focused on the synthesis of wax esters via reduction and esterification. Palmitic wax was prepared from palmitic acid (PA) and </span>cetyl alcohol (CA), the latter produced from reduction of </span></span>PA using lithium aluminium hydride, via esterification using dicyclohexylcarbodiimide and 4-dimethylaminopyridine catalysts. Extraction of the CA product was evaluated using various solvents (methanol, ethanol, isopropyl alcohol, and methyl ethyl ketone). For the palmitic wax extracted at a CA: solvent (v/v) ratio of 1:2 with methanol, ethanol (W-CA-EtOH2), and methyl ethyl ketone, the esterification gave a sufficiently high wax yield of 48.1, 71.0, and 56.7 %, respectively. The palmitic wax was characterized by Fourier transformed infrared spectroscopy, X-ray diffractometry, and </span><sup>13</sup><span>C nuclear magnetic resonance spectroscopy, differential scanning calorimetry, and thermogravimetric analysis. When applied as a paper coating, the palmitic wax W-CA-EtOH2 exhibited superhydrophobic behavior with high water contact angle (161.4°) and possessed a high degree of water resistance with a low water absorption of 0.43.</span></div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 642-651"},"PeriodicalIF":5.9,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145278284","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
Synthesis of mesophase pitch with high anisotropic content from heavy petroleum fractions 重质石油馏分合成高各向异性中间相沥青
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-16 DOI: 10.1016/j.jiec.2025.05.018
Rujun Zha, Dezhi Yu, Jiongjiong Wang, Sunqi Shao, Hao Ling
{"title":"Synthesis of mesophase pitch with high anisotropic content from heavy petroleum fractions","authors":"Rujun Zha,&nbsp;Dezhi Yu,&nbsp;Jiongjiong Wang,&nbsp;Sunqi Shao,&nbsp;Hao Ling","doi":"10.1016/j.jiec.2025.05.018","DOIUrl":"10.1016/j.jiec.2025.05.018","url":null,"abstract":"<div><div>Aromatic compounds and resins are key constituents of heavy petroleum fractions, influencing the synthesis of mesophase pitch (MP) via thermal condensation. This study explores MP formation from two distinct feedstocks: an aromatic-rich lubricant extraction oil (LEO) and a resin-rich deoiled asphalt (DOA). Despite their compositional differences, both feedstocks produced nearly 100% anisotropic content. LEO, containing 79% aromatic compounds, generated MP with a wide-area, streamlined texture, while DOA, with 62% resin, resulted in a mosaic texture. These textural differences are attributed to the distinct compositions of the two feedstocks. Average molecular structure models were constructed using the improved Brown-Ladner method, based on FTIR, MALDI-TOF-MS, and NMR analyses. The models indicate that LEO contains more aromatics, smaller molecular size, shorter branched chains, and richer methylene-bridged structures than DOA. Aromatic oligomerization is the primary reaction occurring during thermal condensation. Variations in molecular structure lead to significant differences in the properties of the resulting MP. MP synthesized from LEO was dominated by ordered hexamers, while MP from DOA was predominantly composed of disordered heptamers. Finally, an oligomerization mechanism for aromatic compounds is proposed, providing insights into the selection of raw materials for high-quality MP production.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 497-505"},"PeriodicalIF":5.9,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145277823","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
Fabrication of a nitrogen-rich GO composite for selective removal of Cu2+ in aqueous solutions 制备富氮氧化石墨烯复合材料选择性去除水溶液中的Cu2+
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-16 DOI: 10.1016/j.jiec.2025.05.030
Mei-Yi Duan , Bi Yang , Yi-Ping Liu , Guo-Cong Liu , Yong-Kun Li , Jin-Gang Yu
{"title":"Fabrication of a nitrogen-rich GO composite for selective removal of Cu2+ in aqueous solutions","authors":"Mei-Yi Duan ,&nbsp;Bi Yang ,&nbsp;Yi-Ping Liu ,&nbsp;Guo-Cong Liu ,&nbsp;Yong-Kun Li ,&nbsp;Jin-Gang Yu","doi":"10.1016/j.jiec.2025.05.030","DOIUrl":"10.1016/j.jiec.2025.05.030","url":null,"abstract":"<div><div>Graphene oxide (GO) based composites are renowned for their adsorption properties toward metal ions from mono-/multi-component systems. However, it is difficult for a newly-developed adsorbent to possess high adsorption capacity and good selectivity. By modifying GO with a nitrogen-rich organic molecule, 3,5-diamino-1,2,4-triazole (DAT), through a facile nucleophilic reaction, the developed GO-DAT composite could selectively adsorb Cu<sup>2+</sup> of low concentrations from aqueous solutions with high efficiency. Several characterization techniques confirmed that DAT was successfully bound to GO through the formation of C=N bonds, which greatly improved its thermal stability. In addition, more active adsorption sites could be also offered to complex with Cu<sup>2+</sup> to achieve excellent adsorption effects. The adsorption investigation was implemented in-depth by evaluating the conditional parameters (Contact time, initial adsorbate concentration, temperature, and pH effect) on the adsorption process. For the kinetic and isothermal studies, the adsorption data could be better fitted by the linear pseudo-second-order model and linear Langmuir model, respectively, suggesting the chemical adsorption dominated the intermolecular interactions between GO-DAT composite and Cu<sup>2+</sup>, and a higher adsorption capacity of 0.63mmol g<sup>−1</sup> at equilibrium could be observed. The proposed GO-DAT composite also exhibited excellent reusability, implying that it is an effective adsorbent for the removal of Cu<sup>2+</sup> from aqueous solutions.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 614-624"},"PeriodicalIF":5.9,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145277812","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
Layered V4AlC3 MAX phase for degradation of pharmaceutics through sonocatalytic activation of peroxymonosulfate: Synergistic effect, degradation pathways, and toxicity assessment 层状V4AlC3 MAX相通过声波催化活化降解药物:协同效应、降解途径和毒性评估
IF 5.9 3区 工程技术
Journal of Industrial and Engineering Chemistry Pub Date : 2025-05-15 DOI: 10.1016/j.jiec.2025.05.022
Sultan Akdağ Türkay , Alireza Khataee , Yasin Orooji
{"title":"Layered V4AlC3 MAX phase for degradation of pharmaceutics through sonocatalytic activation of peroxymonosulfate: Synergistic effect, degradation pathways, and toxicity assessment","authors":"Sultan Akdağ Türkay ,&nbsp;Alireza Khataee ,&nbsp;Yasin Orooji","doi":"10.1016/j.jiec.2025.05.022","DOIUrl":"10.1016/j.jiec.2025.05.022","url":null,"abstract":"<div><div>The V<sub>4</sub>AlC<sub>3</sub> MAX phase, as the precursor of MXene, was developed for levofloxacin degradation through sonocatalytic activation of peroxymonosulfate (PMS). The reactive sintering method was used to synthesize V<sub>4</sub>AlC<sub>3</sub> MAX phase. Vanadium, aluminium and graphite, with molar ratios 4:1.2:3, were mixed in ball milled (ball-to-material ratio of 3:1, 12 h, 350 rpm), compressed into a disc and placed in a tubular furnace (1600 ℃ for 2 h). The stacked layered morphology of the MAX phase was confirmed by SEM and TEM images. With an average crystal size of 48.5 nm and a narrow band gap (1.92 eV), the V<sub>4</sub>AlC<sub>3</sub> MAX phase exhibited remarkable sonocatalytic activity. Under optimum conditions, US/V<sub>4</sub>ALC<sub>3</sub> MAX phase/PMS process exhibited 88.4 % levofloxacin degradation efficiency in 60 min. First order rate constant (k<sub>app</sub>) of the US/V<sub>4</sub>AlC<sub>3</sub> MAX phase/PMS process was 10.22, 7.43, and 4.78 times higher than that of US/V<sub>4</sub>AlC<sub>3</sub> MAX phase, US/PMS, and V<sub>4</sub>AlC<sub>3</sub> MAX phase/PMS processes, respectively. V<sub>4</sub>AlC<sub>3</sub> MAX phase showed remarkable reusability after 5 cycles. It was proved that superoxide radical was the main active substance in the degradation process. The possible intermediates were identified through LC-MS analysis, and four main degradation pathways were proposed. The mechanism of PMS-assisted sonocatalytic degradation of levofloxacin was described.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"152 ","pages":"Pages 543-553"},"PeriodicalIF":5.9,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145278266","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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