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Utilization of boron–containing industrial waste in MgO–C refractories: Assessing oxidation resistance at 1300–1500 °C
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-11 DOI: 10.1016/j.jece.2025.116132
Xuan Wang , Chengji Deng , Xu Cheng , Jiayan Wang , Jun Ding , Zhenglong Liu , Hongxi Zhu , Chao Yu
{"title":"Utilization of boron–containing industrial waste in MgO–C refractories: Assessing oxidation resistance at 1300–1500 °C","authors":"Xuan Wang ,&nbsp;Chengji Deng ,&nbsp;Xu Cheng ,&nbsp;Jiayan Wang ,&nbsp;Jun Ding ,&nbsp;Zhenglong Liu ,&nbsp;Hongxi Zhu ,&nbsp;Chao Yu","doi":"10.1016/j.jece.2025.116132","DOIUrl":"10.1016/j.jece.2025.116132","url":null,"abstract":"<div><div>This study investigates the feasibility of utilizing low–cost TiB<sub>2</sub>–BN–AlN industrial waste as an alternative to expensive boron–containing antioxidants in low–carbon MgO–C refractories, with a focus on performance at 1500 °C. The results demonstrate that the incorporation of boron–containing industrial waste achieves the lowest recorded oxidation index (27.5 %), with minimal impact from temperature fluctuations on its oxidation resistance. The synergistic interactions among TiB<sub>2</sub>, BN, and AlN facilitate the formation of a dense protective layer, effectively preventing oxygen infiltration and reducing reactive interactions with the base material. This improvement is attributed primarily to the formation of specific phases such as Mg<sub>3</sub>B<sub>2</sub>O<sub>6</sub>, Mg<sub>2</sub>TiO<sub>4</sub>, and Mg<sub>2</sub>SiO<sub>4</sub>, which collectively enhance the material’s density and oxidation resistance. The incorporation of boron–containing industrial waste into MgO–C refractories not only greatly improves their oxidation resistance but also offers an innovative solution for industrial waste recycling. This approach underscores its considerable potential for economic benefits and improved sustainability. By optimizing the utilization of available resources, it provides valuable practical insights and a pathway for advancing the development of environmentally friendly refractories in future research.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 3","pages":"Article 116132"},"PeriodicalIF":7.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628697","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
Model construction and techno-economic analysis of current-assisted mild synthesis of green ammonia
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-11 DOI: 10.1016/j.jece.2025.116139
Yongzheng Song , Shaojuan Zeng , Xiangping Zhang
{"title":"Model construction and techno-economic analysis of current-assisted mild synthesis of green ammonia","authors":"Yongzheng Song ,&nbsp;Shaojuan Zeng ,&nbsp;Xiangping Zhang","doi":"10.1016/j.jece.2025.116139","DOIUrl":"10.1016/j.jece.2025.116139","url":null,"abstract":"<div><div>Ammonia (NH<sub>3</sub>) as an essential chemical is produced on a large scale by Haber-Bosch process at high temperature and pressure. The realization of mild green NH<sub>3</sub> production is of great significance to environmental protection. In this study, three one-dimensional steady-state models were developed for the study of current-assisted NH<sub>3</sub> synthesis reactor, including adiabatic quench cooling reactor (AQCR), adiabatic indirect cooling reactor (AICR), and auto-thermal reactor (ATR). The axial distributions of temperature, pressure, conversion and NH<sub>3</sub> mole fraction of the three reactors were obtained. Meanwhile, the performance of three reactors with different heat transfer forms were compared. When the NH<sub>3</sub> output were consistent, the temperature and pressure changes of ATR along the catalytic bed were the most moderate. The conversion of AICR and ATR were significantly higher than AQCR, at 0.1616 and 0.1580. In addition, six NH<sub>3</sub> synthesis loops under mild conditions were constructed by coupling the three reactors with condensation unit (CON) or ionic liquid (IL) absorption unit (ABS), and the techno-economic analysis was carried out. In three NH<sub>3</sub> synthesis loop coupled to condensation unit, the LCOA of ATR-CON was the lowest, at 795.76 $ t<sub>NH3</sub><sup>−1</sup>, which indicated that ATR has great advantages in energy consumption and cost in the NH<sub>3</sub> synthesis loop constructed with the condensation unit. However, LCOA was obviously reduced in all in three NH<sub>3</sub> synthesis loop coupled to IL absorption unit. Compared to AICR-ABS loop, the LCOA of AQCR-ABS and ATR-ABS are lower, at 654.70 and 654.59 $ t<sub>NH3</sub><sup>−1</sup> respectively.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 3","pages":"Article 116139"},"PeriodicalIF":7.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143636307","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
Voltammetric investigation of synthesized zirconium oxide nanoparticles for detection of catechol
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-11 DOI: 10.1016/j.jece.2025.116046
Bindu A. G, Ramesh S. Bhat
{"title":"Voltammetric investigation of synthesized zirconium oxide nanoparticles for detection of catechol","authors":"Bindu A. G,&nbsp;Ramesh S. Bhat","doi":"10.1016/j.jece.2025.116046","DOIUrl":"10.1016/j.jece.2025.116046","url":null,"abstract":"<div><div>The study explores a novel combustion technique for synthesizing zirconium oxide nanoparticles, for the electrochemical investigation of catechol (CC). ZrO₂ NPs are formed using Zirconyl nitrate, urea, and water to form a homogeneous solution, then heated to 500°C. The synthesized NPs are confirmed through various characterizations such as FESEM, EDX, XRD, and Raman spectra. The developed electrode is investigated using 0.1 M phosphate buffer in 6.2 pH at 0.1 V/s scan rate. Fabricated electrodes show higher current responses, excellent electrochemical activity, more electroactive sites with good conductivity, and a quick rate transfer of electrons and protons through redox reactions towards the analyte, which was discussed. Techniques such as EIS, CV, DPV, and LSV are used to evaluate the sensing properties of CC on the modified electrode. The fabricated electrode reveals excellent reproducibility, repeatability, stability, selectivity, and sensitivity toward CC detection. This research presents a promising strategy for improving the performance of electrochemical sensors for CC analysis.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 3","pages":"Article 116046"},"PeriodicalIF":7.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143641877","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
Flotation of mine tailings: A bibliometric analysis and systematic literature review
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-11 DOI: 10.1016/j.jece.2025.116136
Marco Antonio Cotrina-Teatino , Jairo Jhonatan Marquina-Araujo , John Anthony Avalos-Murga , Fabricio Leonardo Carrion-Villacorta
{"title":"Flotation of mine tailings: A bibliometric analysis and systematic literature review","authors":"Marco Antonio Cotrina-Teatino ,&nbsp;Jairo Jhonatan Marquina-Araujo ,&nbsp;John Anthony Avalos-Murga ,&nbsp;Fabricio Leonardo Carrion-Villacorta","doi":"10.1016/j.jece.2025.116136","DOIUrl":"10.1016/j.jece.2025.116136","url":null,"abstract":"<div><div>The purpose of this research was to conduct an extensive mapping of the literature on tailings flotation from 1990 to 2024, aiming to identify key topics, emerging trends, and potential future directions. Using a mixed-methods approach that includes bibliometric analysis, text mining, and content analysis, the following specific objectives were established: (i) to analyze the scientific background of studies on tailings flotation, identifying the most relevant topics and trends from the past two decades, (ii) to provide a comprehensive overview of the available literature in this field, and (iii) to suggest future research pathways. A total of 240 open-access academic articles were reviewed, sourced from Scopus, JSTOR, ScienceDirect, and Taylor &amp; Francis databases, selected through the PRISMA method and an ad-hoc sampling. The analysis identified four main research areas: (1) geochemical and mineralogical characterization of lead-zinc flotation tailings, (2) flotation of copper-gold tailings for precious metal recovery, (3) flotation of mining tailings as analogs for rare earth resources, and (4) general strategies for metal recovery from complex and low-grade tailings. Based on these areas, four future research directions were proposed: the impact of particle size distribution on flotation selectivity, integration of biotechnology in tailings flotation, optimization of flotation circuits based on particle size, and environmental assessment of tailings flotation. These approaches aim to improve sustainability and optimize resource use in the mining sector, promoting practices that contribute to a more responsible and efficient global development model.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 2","pages":"Article 116136"},"PeriodicalIF":7.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143593561","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
Cu(II) inhibits the photolysis via complexation-regulated excited state of enrofloxacin in seawater
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-11 DOI: 10.1016/j.jece.2025.116137
Chang Xu , Ji-Yuan Yu , Bo Gong , Shan Zhao , Xiao-Min Sun , Shu-Guang Wang , Chao Song
{"title":"Cu(II) inhibits the photolysis via complexation-regulated excited state of enrofloxacin in seawater","authors":"Chang Xu ,&nbsp;Ji-Yuan Yu ,&nbsp;Bo Gong ,&nbsp;Shan Zhao ,&nbsp;Xiao-Min Sun ,&nbsp;Shu-Guang Wang ,&nbsp;Chao Song","doi":"10.1016/j.jece.2025.116137","DOIUrl":"10.1016/j.jece.2025.116137","url":null,"abstract":"<div><div>Enrofloxacin (ENR) and Cu(II) usually coexist in seawater, particularly in wastewater from marine aquaculture. However, the effect of Cu(II) on the photolysis of ENR is still unclear, limiting the understanding of the fate of antibiotics in natural seawater. In this study, we investigated the role of Cu(II) in the photolysis of ENR. Cu(II) significantly inhibited the photolysis of ENR at environmentally relevant concentrations, reducing the degradation rate from 84.12 % to 61.45 %. Cu(II) is more inclined to form ENR-Cu complexes with a complex ratio of 1 via the oxygen atoms of the carbonyl and carboxyl groups on HENR<sup>±</sup> and H<sub>2</sub>ENR<sup>+</sup>, with intramolecular ligand-to-metal charge transfer of 0.794 e and 0.580 e, respectively. The complexation altered the original active reaction sites of ENR, reducing the nucleophilicity of the parent molecule and diminishing its reactivity with singlet oxygen (<sup>1</sup>O<sub>2</sub>). When the ENR:Cu(II) molar ratio was 1, the steady-state concentration of <sup>1</sup>O<sub>2</sub> was 4.069 × 10<sup>−14</sup> M, which was 50.64 % lower than that in the absence of Cu(II). Besides, the excited state of the complexes enhanced the hole-electron separation. Additionally, Cu(II) can modify the partial photolysis pathway of ENR, thereby impacting the toxicity of the byproducts. This work contributes to a better understanding of the environmental fate of antibiotics in natural seawater.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 3","pages":"Article 116137"},"PeriodicalIF":7.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143637079","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
Degradation of pharmaceutical contaminants in wastewater by non-thermal plasma technology: A comprehensive Review
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-11 DOI: 10.1016/j.jece.2025.116150
Yongsheng Wang , Jialin Song , Ruotong Zhu , Mingbin Peng , Jiao Long , Tao Bao
{"title":"Degradation of pharmaceutical contaminants in wastewater by non-thermal plasma technology: A comprehensive Review","authors":"Yongsheng Wang ,&nbsp;Jialin Song ,&nbsp;Ruotong Zhu ,&nbsp;Mingbin Peng ,&nbsp;Jiao Long ,&nbsp;Tao Bao","doi":"10.1016/j.jece.2025.116150","DOIUrl":"10.1016/j.jece.2025.116150","url":null,"abstract":"<div><div>According to research reports, the accumulation of organic pollutants in various water bodies is becoming increasingly evident, particularly pharmaceuticals and pharmaceutical intermediates, posing serious risks to human health and the ecological environment. As one of the emerging advanced oxidation technologies, low-temperature plasma technology has achieved the attention of experts and scholars both domestically and internationally due to its ability to rapidly and efficiently treat refractory organic compound without introducing additional pollutants. Among the various methods for generating low-temperature plasma, dielectric barrier discharge stands out due to its stable discharge, ease of implementation, and low cost. It is expected to become the most promising technology for industrial wastewater degradation in the future. This paper begins by summarizing the current state of wastewater pollution and removal research. It then briefly reviews the degradation reaction mechanisms and highlights representative high-efficiency reactor devices. Finally, it analyzes the influence of various reaction factors from a theoretical perspective, summarizing how each variable affects degradation efficiency to provide a theoretical basis for selecting optimal parameters for subsequent experimental research. Based on this analysis, the paper also discusses the challenges faced by this technology and identifies focus areas for future research.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 3","pages":"Article 116150"},"PeriodicalIF":7.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143631806","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
Constructing anion traps on biomass-based aerogels for efficient TcO4−/ReO4− removal
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-11 DOI: 10.1016/j.jece.2025.116157
Jiaqi Ge , Feifei Wang , Xiangbiao Yin , Yuezhou Wei , Chunlin He , Nannan Wang , Xinpeng Wang
{"title":"Constructing anion traps on biomass-based aerogels for efficient TcO4−/ReO4− removal","authors":"Jiaqi Ge ,&nbsp;Feifei Wang ,&nbsp;Xiangbiao Yin ,&nbsp;Yuezhou Wei ,&nbsp;Chunlin He ,&nbsp;Nannan Wang ,&nbsp;Xinpeng Wang","doi":"10.1016/j.jece.2025.116157","DOIUrl":"10.1016/j.jece.2025.116157","url":null,"abstract":"<div><div>The long half-life and high environmental mobility of TcO<sub>4</sub><sup>−</sup> make its effective capture from nuclear wastewater both critical and challenging. This study developed a cationic polymer aerogel based on the biomass material chitosan (CTS) for the highly efficient removal of TcO<sub>4</sub><sup>−</sup>/ReO<sub>4</sub><sup>−</sup>. This approach involves the crosslinking of chitosan and polyethyleneimine via a Schiff base reaction, followed by the formation of quaternary ammonium sites on the aerogels using a quaternization agent. The quaternary sites serve as specific anion traps, which creates a hydrophobic microenvironment that facilitates selective TcO<sub>4</sub><sup>−</sup>/ReO<sub>4</sub><sup>−</sup> capture. Experimental results demonstrate that the aerogel exhibits high ReO<sub>4</sub><sup>−</sup> adsorption capacity (713 mg/g) and excellent selectivity, with removal rates of 62.93 %, 71.16 %, and 75.71 % in the presence of 500 times the concentration of NO<sub>3</sub><sup>−</sup>, SO<sub>4</sub><sup>2−</sup>, and PO<sub>4</sub><sup>3−</sup>, respectively. Additionally, the aerogel achieves an 83.4 % ReO<sub>4</sub><sup>−</sup> removal rate from simulated Hanford wastewater. This material has a high removal rate for TcO<sub>4</sub><sup>−</sup>/ReO<sub>4</sub><sup>−</sup> over a broad pH range. Characterization techniques, including scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS), have demonstrated the effective adsorption of ReO<sub>4</sub><sup>−</sup> ions within aerogel channels. The aerogel's anion traps, combined with its distinctive porous channel structure, offer exceptional adsorption capabilities, surpassing most macroscopic plastic adsorbents and numerous powdered high-porosity materials.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 3","pages":"Article 116157"},"PeriodicalIF":7.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143641880","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
Construction of F, N-riched covalent organic framework adsorbent for efficient glucocorticoids adsorption
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-10 DOI: 10.1016/j.jece.2025.116126
Mingyue Wang , Quan Zhou , Lingling Li , Qiuyi Liu , Min Wang , Yue Lan , Yuqiang Xiao , Jiaqi Hu , Zhangyong Song , Famin Ke , Xiurong Guo , Dandan Wang , Die Gao
{"title":"Construction of F, N-riched covalent organic framework adsorbent for efficient glucocorticoids adsorption","authors":"Mingyue Wang ,&nbsp;Quan Zhou ,&nbsp;Lingling Li ,&nbsp;Qiuyi Liu ,&nbsp;Min Wang ,&nbsp;Yue Lan ,&nbsp;Yuqiang Xiao ,&nbsp;Jiaqi Hu ,&nbsp;Zhangyong Song ,&nbsp;Famin Ke ,&nbsp;Xiurong Guo ,&nbsp;Dandan Wang ,&nbsp;Die Gao","doi":"10.1016/j.jece.2025.116126","DOIUrl":"10.1016/j.jece.2025.116126","url":null,"abstract":"<div><div>Glucocorticoids possess extensive and potent pharmacological effects, but their misuse and overuse are widespread concerns. Consequently, the environmental pollution and health hazards associated with their excessive usage cannot be overlooked. There is an urgent need for enhanced removal and a thorough understanding of the environmental and safety risks arising from the overconsumption of these drugs. In this study, a novel F, N-enriched covalent organic framework (designated as TAPT-COF) with high crystallinity was synthesized. TAPT-COF features numerous active sites, including F-F interaction and hydrogen bond interaction sites, along with a high specific surface area and good thermal stability. These characteristics enable TAPT-COF to serve as an advanced adsorbent for dispersed solid-phase extraction (D-SPE) of glucocorticoids such as fluocinonide acetate, budesonide, and dexamethasone, with adsorption capacities ranging from 146.77 to 228.90 mg·g⁻¹ . Notably, TAPT-COF exhibits exceptional protein exclusion efficiency, achieving exclusion rates exceeding 95 %. Due to these advantages, TAPT-COF based D-SPE demonstrates strong applicability in the analysis of complex practical samples, including water and plasma, with satisfactory recoveries ranging from 76.48 % to 112.76 %. Compared to a COF (TPB-COF) that lacks a triazine group, TAPT-COF exhibits superior adsorption performance for target glucocorticoids. This is attributed to its ability to provide enhanced electrostatic interactions, as well as the synergistic effects of hydrogen bonding and F-F interactions. Additionally, TAPT-COF displays a low hemolytic activity, indicating its potential for <em>in vivo</em> analysis.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 3","pages":"Article 116126"},"PeriodicalIF":7.4,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143621498","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
Cerium-doped PCN-777 for the CO2 capture and cocatalysts free chemical fixation via oxazolidinones
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-10 DOI: 10.1016/j.jece.2025.116117
Aasif Helal , Mohd. Yusuf Khan , Rodynah A. Alabdulhadi , Akolade Idris Bakare , Hamza A. Asmaly , Mohammad Asif
{"title":"Cerium-doped PCN-777 for the CO2 capture and cocatalysts free chemical fixation via oxazolidinones","authors":"Aasif Helal ,&nbsp;Mohd. Yusuf Khan ,&nbsp;Rodynah A. Alabdulhadi ,&nbsp;Akolade Idris Bakare ,&nbsp;Hamza A. Asmaly ,&nbsp;Mohammad Asif","doi":"10.1016/j.jece.2025.116117","DOIUrl":"10.1016/j.jece.2025.116117","url":null,"abstract":"<div><div>Carbon Capture and Utilization (CCU) has emerged as a significant player in the context of climate change mitigation strategies. This innovative approach of capturing CO<sub>2</sub> and subsequently converting it into valuable products not only combats climate change but creates new economic opportunities. Oxazolidinones are important five-member heterocyclic compounds in many new antibiotics, intermediates in organic synthesis, pesticides, insecticides, and dyes. In this work, we have doped a nitrogen core enriched, zeotype, mesoporous Zirconium (Zr)-based PCN-777 (PCN= porous coordination network) MOF with Cerium (Ce) (Ce@PCN-777). The high density of Ce-doped Zr Lewis acid sites (13 μmol. g<sup>−1</sup>) and internal pores adorned with triazine Lewis basic groups enabled Ce@PCN-777 to show selective storage of CO<sub>2</sub> with a high <em>Q</em><sub>st</sub> value of 30.3 kJ.mol<sup>−1</sup>, CO<sub>2</sub>/N<sub>2</sub> selectivity of 33.7, with CO<sub>2</sub> uptake of 2.2 mmole. g<sup>−1</sup>. The enhanced Lewis acidic property and the basic nitrogen-rich triazine moieties produce a synergistic effect for the environmentally friendly, co-catalyst, and solvent-free cycloaddition of epoxides, aromatic amines, and CO<sub>2</sub> at 1 bar, and moderate temperature for the efficient synthesis of oxazolidinones with a high yield of 80–90 % and regioselectivity. Moreover, the catalysts can be recycled for seven consecutive cycles.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 3","pages":"Article 116117"},"PeriodicalIF":7.4,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143621420","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
Desorption strategies in CO₂ capture technologies: Novel approaches and future perspectives
IF 7.4 2区 工程技术
Journal of Environmental Chemical Engineering Pub Date : 2025-03-10 DOI: 10.1016/j.jece.2025.116109
I. Campello Gómez, C. Gutiérrez
{"title":"Desorption strategies in CO₂ capture technologies: Novel approaches and future perspectives","authors":"I. Campello Gómez,&nbsp;C. Gutiérrez","doi":"10.1016/j.jece.2025.116109","DOIUrl":"10.1016/j.jece.2025.116109","url":null,"abstract":"<div><div>Anthropogenic CO₂ emissions contribute significantly to climate change, necessitating advanced carbon capture and storage (CCS) strategies. Conventional CO<sub>2</sub> capture relies on temperature swing adsorption (TSA) and pressure swing adsorption (PSA) to achieve desorption. Still, these approaches often entail high energy consumption, limited sorbent stability, and elevated costs. To overcome these obstacles, emerging non-conventional techniques incorporate electromagnetic, acoustic, photochemical, or electrochemical stimuli to enhance efficiency, extend sorbent lifespan, and improve product purity. Innovative approaches, such as microwave swing adsorption (MSA), magnetic induction swing adsorption (MISA), electric swing adsorption (ESA), ultrasound swing adsorption (USSA), and light induction swing adsorption (LISA), deliver localised energy-efficient regeneration. Similarly, pH swing adsorption (pHSA) exploits electrochemical gradients to release CO<sub>2</sub> with minimal thermal input. When coupled with sorbents like activated carbons, zeolites, metal-organic frameworks (MOFs), and amine-based solutions, these methods can lower thermal penalties and yield cleaner, more economical CO₂ capture. Although these techniques have not yet achieved broad commercial deployment, laboratory and pilot-scale research demonstrates their potential for reduced energy requirements and improved sorbent stability. Ongoing investigations and process optimisations are essential to advance these promising solutions toward large-scale adoption and meaningful contributions to climate mitigation.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 2","pages":"Article 116109"},"PeriodicalIF":7.4,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143611573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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