Sustainable Materials and Technologies最新文献

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Cellulose based bioplastics: A sustainable approach toward environmental safety - A review 纤维素基生物塑料:迈向环境安全的可持续途径综述
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-30 DOI: 10.1016/j.susmat.2025.e01694
Manmeet Kour , Savita Chaudhary , Rajeev Kumar
{"title":"Cellulose based bioplastics: A sustainable approach toward environmental safety - A review","authors":"Manmeet Kour ,&nbsp;Savita Chaudhary ,&nbsp;Rajeev Kumar","doi":"10.1016/j.susmat.2025.e01694","DOIUrl":"10.1016/j.susmat.2025.e01694","url":null,"abstract":"<div><div>The increasing human population coupled with technological advancements and over consumption of petroleum-based plastics has deteriorated the natural ecosystem and possessed serious impact on the flora and fauna. The non-biodegradable nature of plastics causes the accumulation in oceans, landfills, and terrestrial environments and led to widespread ecological disruption. Thus, the development of bioplastics/biopolymers offers a promising and sustainable alternative to mitigate the environmental impact of conventional plastics. Out of different sources, Cellulose is considered as the most promising biopolymer produced by many organisms and obtainable from wide range of agricultural wastes. Cellulose is biodegradable, non-toxic, non-food, biocompatible, material for generating bioplastics. This review main objective to compile the different synthetic approaches used to fabricate cellulose and its different range of derivatives for the development of bioplastic. The current review further highlights the optimization factors affecting the properties of cellulose based bioplastic. The compilation in this review further supports the future prospects in the cellulose based bioplastic applications in packaging, medical, and electronic industries. The review further concluded the plausible remonstrance in reproducibility, scale-up fabrication, and future research prospective for strengthening their potential usages.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01694"},"PeriodicalIF":9.2,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222490","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 degradation of bisphenol from aqueous solutions via a Fenton-like process using C-ZIF-8@Fe/REEs catalysts 利用C-ZIF-8@Fe/ ree催化剂通过Fenton-like工艺高效降解水溶液中的双酚
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-30 DOI: 10.1016/j.susmat.2025.e01696
Hui Li , Ronghao Wu , Long Zhou , Zuliang Chen
{"title":"Efficient degradation of bisphenol from aqueous solutions via a Fenton-like process using C-ZIF-8@Fe/REEs catalysts","authors":"Hui Li ,&nbsp;Ronghao Wu ,&nbsp;Long Zhou ,&nbsp;Zuliang Chen","doi":"10.1016/j.susmat.2025.e01696","DOIUrl":"10.1016/j.susmat.2025.e01696","url":null,"abstract":"<div><div>In this study, a novel C-ZIF-8@Fe/REEs composite, fabricated from one-step pyrolysis using ZIF-8@Fe adsorbed with rare earth elements (REEs) as precursors was successfully used to activate peroxymonosulfate (PMS) for efficient oxidation of Bisphenol A (BPA). The as-prepared C-ZIF-8@Fe/REEs exhibited high PMS activation performance, with an BPA removal efficiency exceeding 95 % within 120 min. Characterizations revealed that the REEs introduction increased the exposure of active sites, and facilitates the electron transfer. Electron paramagnetic resonance analysis and quenching tests confirmed that both radical (·OH, ·SO<sub>4</sub><sup>−</sup>) and non-radical (<sup>1</sup>O<sub>2</sub>, high-valent metals, and electron transfer) pathways were involved in BPA degradation. Reasonable BPA degradation pathways were proposed by analyzing the results of LC-MS and DFT calculations. Additionally, toxicity assessments demonstrated a significant reduction in the toxicity of degradation products. Finally, the synthesized composite exhibited excellent reusability and stability in real wastewater fixed column bed experiments, with the removal efficiency still be higher than 70 % after 11 h operation. These findings demonstrate that the recovery REEs from mining wastewater is an effective strategy in developing a highly efficient Fenton-like catalysts, and also highlight the promising role of using C-ZIF-8@Fe/REEs in wastewater treatment, particularly for the removal of organic contaminants.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01696"},"PeriodicalIF":9.2,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222426","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 self-powered and self-sensing hierarchical triboelectric-electromagnetic hybrid generator for forest monitoring 一种用于森林监测的自供电自传感分层摩擦电-电磁混合发电机
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-29 DOI: 10.1016/j.susmat.2025.e01686
Hongbin Song , Xiaoguang Zhang , Zhankun Qin , Hang Jing , Junqiao Li , Mingcheng Nie , Song Wei , Jie Lan
{"title":"A self-powered and self-sensing hierarchical triboelectric-electromagnetic hybrid generator for forest monitoring","authors":"Hongbin Song ,&nbsp;Xiaoguang Zhang ,&nbsp;Zhankun Qin ,&nbsp;Hang Jing ,&nbsp;Junqiao Li ,&nbsp;Mingcheng Nie ,&nbsp;Song Wei ,&nbsp;Jie Lan","doi":"10.1016/j.susmat.2025.e01686","DOIUrl":"10.1016/j.susmat.2025.e01686","url":null,"abstract":"<div><div>As an environmentally friendly primary renewable energy source, wind energy has enormous potential for development and research. In the field of forest ecosystem monitoring, it can provide sustainable clean energy support for the monitoring system in this domain. Traditional monitoring equipment has significant shortcomings, which are specifically manifested in strong dependence on continuous external energy supply, poor environmental adaptability, and insufficient sustainability of energy supply. To address these issues, this study designed and proposed a centrifugal force-driven conversion structure triboelectric-electromagnetic hybrid generator and triboelectric wind sensor (CDCS-TEH-TWS). Through an innovative multi-level structural design, the device enables adaptive three-level regulation of the triboelectric wind sensor (TWS), triboelectric nanogenerator (TENG), and electromagnetic generator (EMG), all within a compact form factor. The design effectively integrates the complementary strengths of TENG and EMG across various energy harvesting conditions, enhancing power generation efficiency via a wind-speed-matching mechanism, thereby addressing the variable nature of wind in forested areas. Additionally, by combining the device's electrical signals with a long short-term memory (LSTM) deep learning model, the TWS achieves real-time wind speed monitoring and supports a self-sustaining sensing capability. Experimental results showed that under the wind speed condition of 12 m/s, the open-circuit peak voltage of the TENG unit reached 780 V, with an output power of 33.8 mW; the open-circuit peak voltage of the EMG was 15.6 V, and the output power reached 3.042 W. In addition, the CDCS-TEH-TWS system could continuously drive multiple sensors to operate and successfully achieved dynamic monitoring of conventional parameters such as ambient temperature and humidity. Notably, the TWS module, tested based on 8400 sets of sample data, had a detection accuracy of up to 96.43 % for external wind speed and could accurately capture wind speed changes. These results fully confirmed the practical value of the device in constructing a self-powered forest environmental monitoring system and provided a reliable technical solution for related application scenarios.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01686"},"PeriodicalIF":9.2,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222425","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
Hydrophilic bamboo powder-reinforced cellulose composite foams with tailored hydrogen bonding network for structural cushioning applications 亲水竹粉增强纤维素复合泡沫与定制的氢键网络结构缓冲应用
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-26 DOI: 10.1016/j.susmat.2025.e01690
Xianxin Han , Yu Zhang , Binghao Zou , Hao Tong , Ajoy Kanti Mondal , Yehan Tao , Jinwen Hu , Jian Du , Chenglong Fu , Haisong Wang
{"title":"Hydrophilic bamboo powder-reinforced cellulose composite foams with tailored hydrogen bonding network for structural cushioning applications","authors":"Xianxin Han ,&nbsp;Yu Zhang ,&nbsp;Binghao Zou ,&nbsp;Hao Tong ,&nbsp;Ajoy Kanti Mondal ,&nbsp;Yehan Tao ,&nbsp;Jinwen Hu ,&nbsp;Jian Du ,&nbsp;Chenglong Fu ,&nbsp;Haisong Wang","doi":"10.1016/j.susmat.2025.e01690","DOIUrl":"10.1016/j.susmat.2025.e01690","url":null,"abstract":"<div><div>The structural collapse of all-biomass foams during hot-air drying severely limits their formability and mechanical integrity, hindering practical applications. Herein, we present a multiscale reinforcement strategy using cationically modified bamboo powder (CBP) as a structural and functional additive to cellulose-based foams. The CBP exhibits enhanced hydrophilicity and surface charge, enabling strong hydrogen bonding and dipole–ion interactions with cellulose fibers. These interactions facilitate the formation of a robust internal network, allowing air drying without significant shrinkage and markedly enhancing compressive strength. Density functional theory (DFT) calculations confirm that hydrogen bonding is the dominant non-covalent force stabilizing the CBP-cellulose matrix. Additionally, covalent crosslinking between citric acid and cellulose via esterification further reinforces the three-dimensional architecture of the foam. The optimized composite foam exhibits a 207 % improvement in compressive strength compared to pristine cellulose foam. To impart multifunctionality, an inorganic–organic surface encapsulation strategy is applied, achieving excellent hydrophobicity (water contact angle: 133.9°), self-extinguishing flame-retardancy, and biodegradability. Practical evaluations, including high-altitude drop tests and transport packaging simulations, confirm the suitability of foam for protective applications. This work offers a scalable and sustainable pathway for engineering high-performance biomass-based foams, advancing the development of eco-friendly alternatives for transport and packaging.</div><div>applications.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01690"},"PeriodicalIF":9.2,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222424","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
Selective metal recovery: Innovating leaching of LFP-NMC cathode mixtures from spent lithium-ion batteries 选择性金属回收:创新从废锂离子电池中浸出LFP-NMC阴极混合物
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-25 DOI: 10.1016/j.susmat.2025.e01658
Pierric Hubert , Anna Vanderbruggen , Safi Jradi , Alexandre Chagnes
{"title":"Selective metal recovery: Innovating leaching of LFP-NMC cathode mixtures from spent lithium-ion batteries","authors":"Pierric Hubert ,&nbsp;Anna Vanderbruggen ,&nbsp;Safi Jradi ,&nbsp;Alexandre Chagnes","doi":"10.1016/j.susmat.2025.e01658","DOIUrl":"10.1016/j.susmat.2025.e01658","url":null,"abstract":"<div><div>Lithium-ion batteries serve as the cornerstone of the shift towards sustainable energy and electric transportation. While the current emphasis of recycling plants is on electric vehicle batteries, there is a growing demand to expand the recycling industry to encompass smaller batteries, such as those powering electric bicycles—a sector experiencing rapid expansion. The chemical procedures essential for recycling these batteries may differ from those employed for electric vehicle batteries due to variations in material composition. In electric vehicles, the materials primarily originate from either NMC (LiNi<sub>x</sub>Mn<sub>y</sub>Co<sub>z</sub>O<sub>2</sub>) or LFP (LiFePO<sub>4</sub>) technologies, resulting in well-established compositions. Conversely, batteries from urban electric mobility comprise a blend of NMC and LFP technologies, leading to feeds with varying compositions. Therefore, the hydrometallurgical processes applied to these materials must successfully recover cobalt, nickel, manganese, and lithium, despite the presence of fluctuating and significant concentrations of iron—a common challenge in hydrometallurgy. This study will showcase how leveraging the physicochemistry of transition metals in the presence of phosphate can lead to the design of an efficient leaching process. This process selectively dissolves cobalt, nickel, manganese, and lithium from mixtures of NMC and LFP, yielding a sufficiently pure leachate.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01658"},"PeriodicalIF":9.2,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159399","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
Synergistic decontamination mechanisms of copper smelting slag-derived Fe-Al oxides/biochar composite for Cu-Ni Co-contaminated systems 铜冶炼渣衍生铁铝氧化物/生物炭复合材料对Cu-Ni共污染体系的协同去污机理
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-25 DOI: 10.1016/j.susmat.2025.e01664
Jin Yan, Xinyu Zhou, Chenchen Li, Qi Meng, Yingjie Zhang, Peng Dong
{"title":"Synergistic decontamination mechanisms of copper smelting slag-derived Fe-Al oxides/biochar composite for Cu-Ni Co-contaminated systems","authors":"Jin Yan,&nbsp;Xinyu Zhou,&nbsp;Chenchen Li,&nbsp;Qi Meng,&nbsp;Yingjie Zhang,&nbsp;Peng Dong","doi":"10.1016/j.susmat.2025.e01664","DOIUrl":"10.1016/j.susmat.2025.e01664","url":null,"abstract":"<div><div>Cu(II) and Ni(II) are common toxic heavy metals in water, posing significant risks to both ecosystems and human well-being. A novel magnetic adsorbent, CBS700, was synthesized using industrial copper slag and biomass waste to treat wastewater contaminated with Cu(II) and Ni(II). The heavy metal removal process adhered to the pseudo-second-order kinetic model and the Langmuir isotherm model. CBS700 exhibited maximum adsorption capacities of 135.15 mg/g for Cu(II) and 133.87 mg/g for Ni(II) at the optimal pH. Competitive adsorption was observed during the removal of Cu(II) and Ni(II). CBS700 primarily adsorbs Cu(II) and Ni(II) through six mechanisms: physical adsorption (pore filling), surface complexation (Al-O, Fe-O, and -OH groups), cation exchange (Ca<sup>2+</sup>, K<sup>+</sup>, Mg<sup>2+</sup>, and Na<sup>+</sup>), hydrogen bonding (-OH, C<img>C, C<img>O, C-O, Al-O, and Fe-O), oxidation, and precipitation. The influence of various components on the adsorption energy (E<sub>ads</sub>) of Cu(II) and Ni(II) followed the order: Fe-O &gt; Al-O &gt; -OH &gt; pristine biochar. With a saturation magnetization of 18.92 emu/g, CBS700 can be efficiently separated from wastewater. This research introduces an innovative and efficient approach for treating wastewater contaminated with Cu(II) and Ni(II), alongside the novel resource utilization of copper slag.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01664"},"PeriodicalIF":9.2,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222429","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
Green production of bioinspired reusable PP fluff for true-to-life microplastics removal from water 绿色生产生物灵感可重复使用的PP绒毛,从水中去除真正的微塑料
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-24 DOI: 10.1016/j.susmat.2025.e01679
Marta Balsamo , Maria Chiara Mistretta , Roberto Scaffaro
{"title":"Green production of bioinspired reusable PP fluff for true-to-life microplastics removal from water","authors":"Marta Balsamo ,&nbsp;Maria Chiara Mistretta ,&nbsp;Roberto Scaffaro","doi":"10.1016/j.susmat.2025.e01679","DOIUrl":"10.1016/j.susmat.2025.e01679","url":null,"abstract":"<div><div>Microplastic pollution is one of the most discussed environmental concerns. However, predicting the real behaviour of microplastics and producing environmentally friendly systems for their removal is still challenging. To address this, we propose an innovative and solvent-free method for producing reusable 3D fibrous fluff, specifically designed to remove microplastics from water. Fluff morphology is bioinspired by the natural structure of <em>Posidonia Oceanica</em> Egagropiles, since they are able to trap microplastics from water. Polypropylene (PP) PP fluff has been produced by combining a melt spinning process and a vortex motion field generated in distilled water. True-to-life microplastics were obtained by subjecting PP pasta bags to accelerated weathering and mechanical fragmentation. This protocol enables the generation of microplastics with properties that closely resemble real-world microplastics, in terms of chemical and physical characteristics. To better understand their settling behaviour in water and, therefore, to facilitate their removal, fluidodynamic modeling have been adopted, considering the real properties of the particles before and after photo-oxidation. The proposed PP fluff was finally used to filter the true-to-life microplastics, undergoing up to 10 cycles of use with almost unaltered performance. It ensured high removal efficiency, especially for larger particles, while a detailed analysis of smaller particles fraction was performed, by comparing ponderal and numerical removal efficiency.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01679"},"PeriodicalIF":9.2,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145222430","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
Enteromorpha prolifera derived carbon supported tin dioxide nanocomposite with high lithium-ion storage performances 高锂离子存储性能的浒苔碳负载二氧化锡纳米复合材料
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-24 DOI: 10.1016/j.susmat.2025.e01684
Jiahui Li, Hui Zeng, Shuo Wan, Xiaojian Liu, Haoyu Yin, Zixi Yang, Hongliang Li, Binghui Xu
{"title":"Enteromorpha prolifera derived carbon supported tin dioxide nanocomposite with high lithium-ion storage performances","authors":"Jiahui Li,&nbsp;Hui Zeng,&nbsp;Shuo Wan,&nbsp;Xiaojian Liu,&nbsp;Haoyu Yin,&nbsp;Zixi Yang,&nbsp;Hongliang Li,&nbsp;Binghui Xu","doi":"10.1016/j.susmat.2025.e01684","DOIUrl":"10.1016/j.susmat.2025.e01684","url":null,"abstract":"<div><div><em>Enteromorpha prolifera</em> (EP), a notorious marine biomass from offshore green tide, is employed as precursor together with chemical exfoliated graphene oxide (GO) to synthesize a carbon dispersed tin dioxide (SnO<sub>2</sub>) nanocomposite. By rationally modulating the interactions between EP, GO and Sn<sup>2+</sup> in mild water phase, GO is deoxygenated to reduced graphene oxide (RGO) coating layers on EP while Sn<sup>2+</sup> ions are converted to SnO<sub>2</sub> nanoparticles accommodated by RGO/EP. In the following heat treatment, the intermediate Sn@RGO/EP is converted to the final SnO<sub>2</sub>/RGO/EPC nanocomposite, during which the SnO<sub>2</sub> nanocrystals are effectively dispersed by the in-situ formed RGO/EPC carbon framework. As a consequence, the finally engineered SnO<sub>2</sub>/RGO/EPC nanocomposite exhibits unique hierarchical microstructure, which enables this sample deliver a stable capacity of about 815.2 mAh·g<sup>−1</sup> over 1000 cycles at a high-density current of 1000 mA·g<sup>−1</sup> in half cells as well as inspiring full cell performances. The lithium-ion storage behaviors of SnO<sub>2</sub>/RGO/EPC have been uncovered. This work demonstrates a feasible choice to fabricate nanocomposite electrode materials from marine biomass.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01684"},"PeriodicalIF":9.2,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159398","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
Optimizing phosphogypsum neutralization for enhanced setting regulation in Portland cement matrices 优化磷石膏中和以增强硅酸盐水泥基质的凝固调节
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-23 DOI: 10.1016/j.susmat.2025.e01681
Rayara Pinto Costa , Matheus Henrique Gomes de Medeiros , Ivo de Castro Carvalho , Seiiti Suzuki , Ana Paula Kirchheim
{"title":"Optimizing phosphogypsum neutralization for enhanced setting regulation in Portland cement matrices","authors":"Rayara Pinto Costa ,&nbsp;Matheus Henrique Gomes de Medeiros ,&nbsp;Ivo de Castro Carvalho ,&nbsp;Seiiti Suzuki ,&nbsp;Ana Paula Kirchheim","doi":"10.1016/j.susmat.2025.e01681","DOIUrl":"10.1016/j.susmat.2025.e01681","url":null,"abstract":"<div><div>This study investigates the application of chemical, thermal, and combined treatments on phosphogypsum (PG) to assess its potential as a calcium sulfate source in cement production, replacing natural gypsum. Treatments included washing PG with water (WS), adding 5 % solid hydrated lime (SL), washing with a lime solution (LS), calcination at 200 °C (C200) and 800 °C (C800), and combinations of calcination followed by lime washing (C200-LS and C800-LS). The physical, chemical, and mineralogical properties of neutralized PG (NPGs) were analyzed using laser granulometry, ICP-OES, X-ray diffraction (XRD), thermogravimetric analysis (TGA), and Raman spectroscopy. Furthermore, the effects of these treated PGs on cement hydration were assessed by examining the mineralogical, thermal, and mechanical properties of cement pastes, including isothermal calorimetry, XRD, TGA, and compressive strength tests. Soluble phosphorus levels significantly increased in the treated PG, especially in the C200 and SL treatments, which exhibited levels 8 and 5 times higher than untreated PG. pH levels were also raised, with the SL treatment showing the highest increase, tripling that of untreated PG. Raman spectroscopy and TGA confirmed phase transitions from gypsum to hemihydrate and anhydrite depending on the temperature. Cement pastes incorporating treated PG exhibited accelerated hydration, particularly with the C200-LS and C800-LS treatments, which reduced the induction period by 38 % and 29 %, respectively, compared to the REF group. In contrast, the difference between the SL and REF groups was minimal. The C200-LS treatment also enhanced the formation of hydration products like portlandite, C-S-H and ettringite. The highest 28-day compressive strengths were observed for the SL (42.82 MPa) and C200 (40.79 MPa) treatments, indicating improved cement performance with these methods.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01681"},"PeriodicalIF":9.2,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159397","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
Advances and prospects of metal-free carbon materials for persulfate-based advanced oxidation processes in aquatic pollutant removal 过硫酸盐基深度氧化法去除水体污染物的无金属碳材料研究进展与展望
IF 9.2 2区 工程技术
Sustainable Materials and Technologies Pub Date : 2025-09-23 DOI: 10.1016/j.susmat.2025.e01682
Qi-E Zhang , Yu-Heng Yehenala , Chu-Chu Hu , Yan Pan , A-Li Yu , Jiao Zou , Jin-Gang Yu , Limin Lu , Guo-Qing Zhao
{"title":"Advances and prospects of metal-free carbon materials for persulfate-based advanced oxidation processes in aquatic pollutant removal","authors":"Qi-E Zhang ,&nbsp;Yu-Heng Yehenala ,&nbsp;Chu-Chu Hu ,&nbsp;Yan Pan ,&nbsp;A-Li Yu ,&nbsp;Jiao Zou ,&nbsp;Jin-Gang Yu ,&nbsp;Limin Lu ,&nbsp;Guo-Qing Zhao","doi":"10.1016/j.susmat.2025.e01682","DOIUrl":"10.1016/j.susmat.2025.e01682","url":null,"abstract":"<div><div>Nowadays, persulfate-based advanced oxidation processes (PS-AOPs) are flourishing promptly owing to their promising potential in eliminating refractor contaminants. As the novel and high-activity catalysts, metal-free carbon materials (CMs) are extensively used in clean energy production, environment remediation, medicine, as well as other fields because of their higher specific area, abundant surface functional groups, excellent structural adjustability, good biocompatibility, environmentally friendly, and facile fabrication. These remarkable physicochemical characteristics may guarantee CMs-based materials to be hopeful catalysis in PS-AOPs. In this work, we make a comprehensive review of CMs-based materials in PS-AOPs from different aspects, including categories, catalytic process mechanism, and tailoring strategy for enhancing catalytic activity of CMs as well as the microstructure-performance relationship of the CMs. First of all, we discuss the different categories, characteristic, and application of CMs. Secondly, the possible catalytic mechanism of persulfate activation (including radical pathway, non-radical pathway, and the combined radical and non-radical pathway) by CMs-based catalysts were introduced. In addition, in order to further enhance their catalytic activity and assess environmental impact of CMs-based catalysts, some promising tailoring strategy and environmental impact assessment methods were summarized and put forward accordingly. Finally, challenges as well as future prospects of CMs-based materials in environment remediation were mentioned. Overall, this account will certainly help to reveal the mist of CMs in PS-AOPs and give some reference to facilitate the further development of the CMs/PS-AOPs systems in wastewater pollution purification, and bring out some multidisciplinary afflatus for CMs applications.</div></div>","PeriodicalId":22097,"journal":{"name":"Sustainable Materials and Technologies","volume":"46 ","pages":"Article e01682"},"PeriodicalIF":9.2,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159404","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
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