Materials Today Sustainability最新文献

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Eco-friendly rock fracturing: Enhancing SREMA with calcium sulfate for sustainable mineral recovery 环保岩石压裂:用硫酸钙增强SREMA,实现矿物的可持续回收
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-24 DOI: 10.1016/j.mtsust.2025.101167
T. Kannangara , P.G. Ranjith , V.R.S. De Silva
{"title":"Eco-friendly rock fracturing: Enhancing SREMA with calcium sulfate for sustainable mineral recovery","authors":"T. Kannangara ,&nbsp;P.G. Ranjith ,&nbsp;V.R.S. De Silva","doi":"10.1016/j.mtsust.2025.101167","DOIUrl":"10.1016/j.mtsust.2025.101167","url":null,"abstract":"<div><div>The study investigates the impact of calcium sulfate (CaSO<sub>4</sub>) on the performance of Slow-Releasing Energy Material Agents (SREMAs) for in-situ mineral recovery (IMR). Comprehensive experimental analyses were conducted, including expansive pressure measurement, isothermal calorimetry, X-ray diffraction (XRD), and scanning electron microscopy (SEM). Results revealed that incorporating 1 % CaSO<sub>4</sub> into SREMA formulations optimally enhances portlandite and ettringite formation, achieving a 15.3 % increase in expansive pressure (28.67 MPa) compared to the control mix. Rheological tests indicated improved workability and cohesiveness at this concentration, balancing flowability and washout resistance in water-saturated conditions. Excessive CaSO<sub>4</sub> (&gt;1 %) reduced performance by disrupting hydration dynamics and forming secondary phases. The findings underscore the synergistic role of CaSO<sub>4</sub> in promoting hydration efficiency and volumetric expansion, which could have implications for improving the performance of SREMAs in IMR applications. Future research is recommended to further optimize the system to increase the expansive pressure generation potential in SREMA through additive enhancements and nanoparticle integration for deep subterranean applications.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101167"},"PeriodicalIF":7.1,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144522918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Metal-organic framework-based robust and advanced materials for the absorptive and photocatalytic mitigation of non-steroidal anti-inflammatory drugs from water 基于金属有机框架的坚固和先进材料,用于从水中吸收和光催化减缓非甾体抗炎药
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-23 DOI: 10.1016/j.mtsust.2025.101164
Arooj Sarwar , Bakhtawar Sajjad , Muhammad Waqas , Fareeha Shakeel , Hira Jabir , Muhammad Imran Din , Azeem Intisar , Adeel Afzal
{"title":"Metal-organic framework-based robust and advanced materials for the absorptive and photocatalytic mitigation of non-steroidal anti-inflammatory drugs from water","authors":"Arooj Sarwar ,&nbsp;Bakhtawar Sajjad ,&nbsp;Muhammad Waqas ,&nbsp;Fareeha Shakeel ,&nbsp;Hira Jabir ,&nbsp;Muhammad Imran Din ,&nbsp;Azeem Intisar ,&nbsp;Adeel Afzal","doi":"10.1016/j.mtsust.2025.101164","DOIUrl":"10.1016/j.mtsust.2025.101164","url":null,"abstract":"<div><div>The presence of non-steroidal anti-inflammatory drugs (NSAIDs) in water poses a considerable environmental and health threat since they are among the most widely used remedies for pain, inflammation, and fever. Metal-organic frameworks (MOFs) and their derivatives have shown significant potential for the absorptive and photocatalytic mitigation of NSAIDs. Their large surface area, adjustable pore structure, and catalytic characteristics make them excellent candidates for water treatment. Numerous investigations reported the remarkable ability of robust and advanced MOFs to adsorb NSAIDs. For instance, Zr-MOF (729.92 mg/g), Cu-II MOF (650 mg/g), UiO-66-(COOCu)<sub>2</sub> (624.3 mg/g), UiO-66-(COOFe)<sub>2</sub> (769.1 mg/g) and UiO66-NH<sub>2</sub> (555 mg/g) etc. have demonstrated remarkable adsorption capacities. On the other hand, as photocatalytic degradation is a low-cost and non-polluting method of converting pharmaceutical components into non-toxic compounds, it is another significantly important methodology for removing NSAIDs. Most NSAIDs are completely degraded by state-of-the-art MOF-derived Fe<sub>2</sub>O<sub>3</sub>/TiO<sub>2</sub>, solar/MIL-88-A/PS system, vis/H<sub>2</sub>O<sub>2</sub>/HSO<sub>3</sub>-MIL-53(Fe), g-C<sub>3</sub>N<sub>4</sub>/NH<sub>2</sub>-MIL-125, NH<sub>2</sub>/MgAl-LDH<sub>3</sub> and BN/Fe<sub>3</sub>O<sub>4</sub>/MIL-53(Fe) composites. This review offers a comprehensive method for effectively removing various kinds of NSAIDs using a variety of MOF-derived adsorbents and photocatalysts. A comprehensive understanding of the occurrence, role, toxicity, and comparison of various NSAIDs was also discussed in this review. However, some major MOFs related challenges and their possible solutions have also been discussed for creating a sustainable environment.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101164"},"PeriodicalIF":7.1,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144579382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The prospect and limitation of high entropy alloy as 4th industrial material 高熵合金作为第四次工业材料的前景与局限
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-23 DOI: 10.1016/j.mtsust.2025.101163
Emmanuel Olorundaisi, Peter A. Olubambi
{"title":"The prospect and limitation of high entropy alloy as 4th industrial material","authors":"Emmanuel Olorundaisi,&nbsp;Peter A. Olubambi","doi":"10.1016/j.mtsust.2025.101163","DOIUrl":"10.1016/j.mtsust.2025.101163","url":null,"abstract":"<div><div>High-entropy alloys (HEAs) have emerged as an innovative family of multi-principal element alloys with unique properties that position them as potential candidates for the fourth industrial revolution (Industry 4.0) materials. Characterized by their multi-principal element composition, HEAs exhibit exceptional mechanical strength, thermal stability, corrosion resistance, and tailored functional properties. They leverage high configurational entropy to deliver superior performance over traditional alloys such as steel, aluminum, and titanium. HEAs have demonstrated remarkable potential in critical sectors, including aerospace, automotive, energy, and biomedicine, with examples like NbMoTaW in jet engines and TiZrNbTaMo in medical implants showcasing their versatility under extreme conditions. However, challenges such as high processing costs, difficulties in large-scale production, limited understanding of phase stability, and the need for advanced computational models to predict material behavior must be addressed. This paper explores the prospects of HEAs as the fourth industrial material, discussing their advantages, potential applications, and the limitations that must be overcome to realize their full industrial potential. By integrating emerging manufacturing techniques such as additive manufacturing and computational material design, HEAs could revolutionize material engineering and contribute significantly to Industry 4.0. Transitioning from niche innovations to industrial mainstays, mirroring the defining impact of steel in the First Industrial Revolution and silicon in the Third, thereby cementing their place at the forefront of Industry 4.0’s high-performance and sustainable future.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101163"},"PeriodicalIF":7.1,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A comprehensive review on polyurethane-based membranes for enhanced CO2 separation: From molecular engineering to industrial scalability 聚氨酯基膜增强CO2分离的综合综述:从分子工程到工业可扩展性
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-21 DOI: 10.1016/j.mtsust.2025.101159
Mohammad Salehi Maleh , Alireza Bahrami , Mohammad Sajad Sepehri Sadeghian , Sahar Kiani , Hoda Asadimanesh , Ahmadreza Raisi
{"title":"A comprehensive review on polyurethane-based membranes for enhanced CO2 separation: From molecular engineering to industrial scalability","authors":"Mohammad Salehi Maleh ,&nbsp;Alireza Bahrami ,&nbsp;Mohammad Sajad Sepehri Sadeghian ,&nbsp;Sahar Kiani ,&nbsp;Hoda Asadimanesh ,&nbsp;Ahmadreza Raisi","doi":"10.1016/j.mtsust.2025.101159","DOIUrl":"10.1016/j.mtsust.2025.101159","url":null,"abstract":"<div><div>Membrane technology, characterized by low energy consumption, cost-effectiveness, and operational simplicity, has been widely used for gas separation applications, especially for CO<sub>2</sub> capture. Various polymers have been designed to achieve superior gas separation efficiency. Among them, polyurethanes (PUs) have emerged as a versatile platform to develop gas separation membranes due to their ease of film formation, excellent flexibility, high elasticity and tensile strength, great chemical and thermal stability, and inherent affinity for CO<sub>2</sub>. While pristine PUs display relatively low gas separation performance, they can be readily tailored to enhance it. This review first examines the synthesis procedures of PUs, the chemistry of the raw materials used in PU synthesis, and their chemical, structural, and morphological properties, including CO<sub>2</sub>/gas separation properties. Second, the strategies adopted for the modification of the PU architectures to improve gas separation performance, such as polymer blending, block copolymer formation, polymer cross-linking, mixed matrix membranes (MMMs) fabrication, and their hybrids (e.g., blending/MMM, cross-linking/MMM, etc.), are highlighted. Finally, various strategies are critically assessed in terms of their effectiveness in improving gas separation properties and feasibility for industrial manufacturing.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101159"},"PeriodicalIF":7.1,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144501648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microstructure and mechanical properties of controlled low-strength materials with recycled coarse aggregate and metro shield spoil for backfill applications 回填用粗骨料和地铁盾构土控制低强度材料的微观结构和力学性能
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-19 DOI: 10.1016/j.mtsust.2025.101162
Jinxing Shen , Zhangge She , Xuefeng Xu , Wanting Sun , Guangyuan Chen
{"title":"Microstructure and mechanical properties of controlled low-strength materials with recycled coarse aggregate and metro shield spoil for backfill applications","authors":"Jinxing Shen ,&nbsp;Zhangge She ,&nbsp;Xuefeng Xu ,&nbsp;Wanting Sun ,&nbsp;Guangyuan Chen","doi":"10.1016/j.mtsust.2025.101162","DOIUrl":"10.1016/j.mtsust.2025.101162","url":null,"abstract":"<div><div>In this study, a sustainable approach is proposed for reusing metro shield spoil (MSS) by the incorporation of with demolition and renovation waste (DRW) to produce controlled low-strength material (CLSM) that complies with established engineering standards. With an orthogonal experimental design, the effects of various DRW content on the workability and mechanical properties of CLSM are systematically investigated. The findings demonstrate that the inclusion of DRW can remarkably enhance the particle distribution, leading to improvements in flowability and compressive strength. Particularly, the flowability of mixture can be increased from 155 mm to 230 mm, and the 28-day compressive strength reaches 1.81 MPa. Microstructure observation reveals that the introduction of DRW can bring about the change of pore structure, resulting in a more refined and optimized matrix. Additionally, a higher presence of calcium-silicate-hydrate (C–S–H) gel and ettringite can be detected, which is attributed to the sulfate content in DRW. This sulfate-induced formation leads to an increase in strength, further validating the suitability of DRW-modified MSS as a promising, eco-friendly solution to produce CLSM. This work provides the potential of this innovative material as a viable, sustainable construction solution to address both waste recycling and performance optimization in civil engineering applications.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101162"},"PeriodicalIF":7.1,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144322802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and synthesis of core-shell Y zeolite: A tandem microreactor facilitating efficient and targeted conversion of heavy oil macromolecules 核壳Y型沸石的设计与合成:促进重油大分子高效定向转化的串联微反应器
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-19 DOI: 10.1016/j.mtsust.2025.101165
Bo Qin , Tong Zhang , Yanchao Liu , Zhentao Chen , Hang Gao , Yanze Du , Shuandi Hou , Jiajun Zheng
{"title":"Design and synthesis of core-shell Y zeolite: A tandem microreactor facilitating efficient and targeted conversion of heavy oil macromolecules","authors":"Bo Qin ,&nbsp;Tong Zhang ,&nbsp;Yanchao Liu ,&nbsp;Zhentao Chen ,&nbsp;Hang Gao ,&nbsp;Yanze Du ,&nbsp;Shuandi Hou ,&nbsp;Jiajun Zheng","doi":"10.1016/j.mtsust.2025.101165","DOIUrl":"10.1016/j.mtsust.2025.101165","url":null,"abstract":"<div><div>Core-shell zeolites with a single crystal Y zeolite core and a polycrystalline shell composed of loosely accumulating nano-sized Y zeolite were designed and synthesized. The as-prepared samples were characterized by X-ray diffraction, scanning electron microscope, transmission electron microscope, infrared spectrum, nuclear magnetic resonance, UV-Raman spectra, X-ray fluorescence (XRF) spectrometer and nitrogen adsorption-desorption characterization. The factors affecting the formation of core-shell zeolite were investigated and discussed in details. The results suggested that the properties of the starting Y zeolite core not only affect the formation of core-shell zeolite, but also decide the Si/Al ratios of the shell zeolite. The results also revealed that the initial secondary growth of primary nanocrystals in shell likes the brims rather than the faces of core crystals, and the firstly formed amorphous “fences” along the brims of the crystal faces play a vital important role in fabricating the core-shell composite because the “fences” contribute to collecting more precursors on the crystals faces. After longed by Ni, Mo active metal, the as-synthesized core-shell structured Y zeolite was evaluated during the hydrocracking of vacuum gas oil (VGO). As compared with Ni(Mo)/Y catalyst, the Ni(Mo)/Y@NY catalysts as a tandem microreactor exhibited an excellent hydrocracking performance. Specially, Ni(Mo)/Y@NY-3-24 catalyst displayed a higher conversion efficiency for VGO oil, with an increase in heavy naphtha yield by 1.47 %, a decrease in dry gas yield by 0.47 %, and a reduction in the bureau of mines correlation index (BMCI) value of tail oil by 0.7. This suggests that the fabricated core-shell microreactor holds more advantages in the hierarchically cracking and targeted conversion of macromolecules or super macromolecules.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101165"},"PeriodicalIF":7.1,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144322804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Water-driven photovoltaics: Enhancing performance through water media in the active layer 水驱动光伏:通过活性层中的水介质提高性能
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-19 DOI: 10.1016/j.mtsust.2025.101158
Malkeshkumar Patel , Md Arifur Rahman Barno , Jessica Barichello , Sanh Vo Thi , Seunghee Cho , Fabio Matteocci , Aldo Di Carlo , Ching-Ping Wong , Joondong Kim
{"title":"Water-driven photovoltaics: Enhancing performance through water media in the active layer","authors":"Malkeshkumar Patel ,&nbsp;Md Arifur Rahman Barno ,&nbsp;Jessica Barichello ,&nbsp;Sanh Vo Thi ,&nbsp;Seunghee Cho ,&nbsp;Fabio Matteocci ,&nbsp;Aldo Di Carlo ,&nbsp;Ching-Ping Wong ,&nbsp;Joondong Kim","doi":"10.1016/j.mtsust.2025.101158","DOIUrl":"10.1016/j.mtsust.2025.101158","url":null,"abstract":"<div><div>Complex design strategies aimed at mitigating optical and thermal losses have resulted in significant improvements in the photovoltaic (PV) technology. However, these strategies often entail increased processing time, device complexity, and system cost. To address these limitations, a simple water-immersion strategy for silicon solar cells is proposed in this study. The water layer, with a low refractive index and in direct contact with the solar cell, reduces Fresnel reflectance and enhances light trapping, leading to improved diode and photovoltaic characteristics. Under standard AM1.5 illumination, the commercial PV cells in air, steady water, and flowing water show power conversion efficiencies (PCEs) of 20.41 %, 23.42 %, and 22.87 %, respectively. With the optimal water depth, the cell in flowing water shows significantly enhanced and consistent onsite power generation, with the variation below 1 %. The immersion method also improves device performance across various light illumination wavelengths and intensities, maintaining a high PCE at 850 nm. The temperature of the solar cell in flowing water remained at 17 °C, ensuring high and reliable onsite power. This simple and cost-effective method presents as a promising high-performance and reliable strategy for solar power generation and may contribute significantly to the widespread deployment of renewable energy.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101158"},"PeriodicalIF":7.1,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144470286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sustainable fused granulate fabrication: the effects of multiple recycling processes on mechanical properties of recycled polycarbonate 可持续熔融制粒:多种回收工艺对再生聚碳酸酯力学性能的影响
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-19 DOI: 10.1016/j.mtsust.2025.101166
Phan Quoc Khang Nguyen , Jojibabu Panta , Tosin Famakinwa , Richard (Chunhui) Yang , Samantha Snabes , Charlotte Craff
{"title":"Sustainable fused granulate fabrication: the effects of multiple recycling processes on mechanical properties of recycled polycarbonate","authors":"Phan Quoc Khang Nguyen ,&nbsp;Jojibabu Panta ,&nbsp;Tosin Famakinwa ,&nbsp;Richard (Chunhui) Yang ,&nbsp;Samantha Snabes ,&nbsp;Charlotte Craff","doi":"10.1016/j.mtsust.2025.101166","DOIUrl":"10.1016/j.mtsust.2025.101166","url":null,"abstract":"<div><div>This study explores the potential of polycarbonate (PC) using a novel 3D printing technique such as fused granulate fabrication (FGF), focusing on the effects of multiple recycling cycles on thermal stability, mechanical properties and microstructural integrity. Thermal stability analysis of FGF-printed recycled polycarbonate (rPC) shows a 12.5 % decrease in glass transition temperature (<em>T</em><sub><em>g</em></sub>) and slight degradation in onset degradation temperature <em>T</em><sub><em>onset</em></sub> after 10 recycling cycles. FTIR spectra shows initial improvements in the rPC structure after the 1<sup>st</sup> cycle, followed by degradation in subsequent cycles, confirming chain scission and reduced functional groups. Mechanical testing indicates that tensile strength increases from 54.96 MPa at the 1<sup>st</sup> cycle–68.59 MPa at the 3<sup>rd</sup> cycle due to improved polymer chain alignment but reduced significantly to 27.31 MPa by the 10<sup>th</sup> cycle due to degradation. The maximum flexural strength of 76.4 MPa was oberved at the 3<sup>rd</sup> cycleand then begins to decline from the 5<sup>th</sup> onwards. Impact strength shows a steady decrease, from 3.29 kJ/m<sup>2</sup> at the 1<sup>st</sup> cycle–2.4 kJ/m<sup>2</sup> at the 10<sup>th</sup> cycle, reflecting molecular breakdown and reduced ductility. Fracture surface analysis reveals a transition from ductile to brittle failure as the number of recycling cycles increased. In terms of 3D printing efficiency, FGF significantly reduced printing time compared to fused filament fabrication (FFF), with up to an 84 % time saving, demonstrating the FGF potential as a cost-effective and sustainable alternative for rPC. These results contribute to comprehensively understanding the trade-offs and benefits of using rPC in Additive Manufacturing, providing insights into the sustainable use of rPC for FGF-printed products.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101166"},"PeriodicalIF":7.1,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CuS–NiFe/NF nanoflowers mediated photothermal enhanced Fenton-like catalysis for wastewater treatment cu - nife /NF纳米花介导光热增强fenton类催化废水处理
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-19 DOI: 10.1016/j.mtsust.2025.101161
Jinghua Li , Qinghao He , Jianbo Zhang
{"title":"CuS–NiFe/NF nanoflowers mediated photothermal enhanced Fenton-like catalysis for wastewater treatment","authors":"Jinghua Li ,&nbsp;Qinghao He ,&nbsp;Jianbo Zhang","doi":"10.1016/j.mtsust.2025.101161","DOIUrl":"10.1016/j.mtsust.2025.101161","url":null,"abstract":"<div><div>In this study, CuS with an appropriate band gap and high catalytic activity was synthesized on its surface using a one-step method that employed nickel foam as a precursor. Ultimately, the CuS–NiFe/NF catalyst was successfully produced. The catalysts were characterized through various analytical techniques, including scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD). When driven by near-infrared light, low-concentration CuS–NiFe/NF solutions can elevate the temperature by nearly 60° Celsius. The introduction of high bandgap CuS into the material enhances its photothermal performance. Meanwhile, the simultaneous presence of Cu and Fe atoms promotes the electron migration rate, exhibiting superior dye degradation capability across all evaluated parameters. Even after multiple uses, it maintains photothermal stability and resistance to degradation. More importantly, both CuS–NiFe/NF and its degradation products are environmentally friendly, demonstrating substantial potential for practical applications. This catalyst provides a novel approach for wastewater treatment.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101161"},"PeriodicalIF":7.1,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144322803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydro-mechanical behaviour of phosphogypsum-based water-absorbent polymers in wastewater sludge 磷石膏基吸水聚合物在污水污泥中的水力学行为
IF 7.1 3区 材料科学
Materials Today Sustainability Pub Date : 2025-06-17 DOI: 10.1016/j.mtsust.2025.101157
Mingwei Wang , Yunzhi Tan , Dean Sun , Chong Wang , Jun Wu , Huajun Ming
{"title":"Hydro-mechanical behaviour of phosphogypsum-based water-absorbent polymers in wastewater sludge","authors":"Mingwei Wang ,&nbsp;Yunzhi Tan ,&nbsp;Dean Sun ,&nbsp;Chong Wang ,&nbsp;Jun Wu ,&nbsp;Huajun Ming","doi":"10.1016/j.mtsust.2025.101157","DOIUrl":"10.1016/j.mtsust.2025.101157","url":null,"abstract":"<div><div>Ultra-high water content is generally presented in wastewater sludge, and rapid water removal during disposal is the key to recycling. This study aims to explore a novel approach for rapidly reducing the ultra-high water content of sludge using a phosphogypsum-based water-absorbent polymer (PG-WAP), synthesized from phosphogypsum (PG), ordinary Portland cement (OPC), and ground granulated blast furnace slag (GGBS). Firstly, bentonite was selected as an additive to enhance the degree of pozzolanic reaction in PG-WAP. Then, the effectiveness of PG-WAP for drying sludge is evaluated using water absorption measurements and unconfined compressive strength (USC) tests, and the water absorption mechanisms are revealed by X-ray diffraction (XRD), thermal analysis (TGA), and scanning electron microscopy (SEM). Finally, the economic benefits of PG-WAP for drying sludge were assessed and compared with conventional drying methods. The results indicate that PG-WAP demonstrates an excellent drying effect, with an average water absorption rate of 53 %. Microstructure characterization shows that the synergy between bentonite and PG leads to the formation of non-expansive AFt, which enhances structural integrity and mitigates the strength reduction associated with high PG content. Moreover, PG-WAP combined with PG-based solidification agent, enables simultaneous drying and solidification of sludge in a single mixing process.</div></div>","PeriodicalId":18322,"journal":{"name":"Materials Today Sustainability","volume":"31 ","pages":"Article 101157"},"PeriodicalIF":7.1,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144312775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","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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