Article
Environmental Sciences
Qianfeng Li, Shiying Yang, Sui Wu, Danyang Fan
Summary: In this study, mechanical ball milling was used to activate and modify inert microscale zero-valent aluminum, resulting in the synthesis of an Al-Fe (oxide) composite with superior reactivity and reusability. The mechanochemical process and solid reaction mechanism were deeply investigated, providing valuable insights for material synthesis and the application of ZVM-based composites in water or wastewater treatment.
Article
Engineering, Environmental
Shanshan Deng, Liquan Liu, Giovanni Cagnetta, Jun Huang, Gang Yu
Summary: Mechanochemically sulfidated ZVI (S-ZVI(bm)) shows significantly enhanced activation of persulfate (PS) in degrading refractory contaminants. The optimal performance was achieved with S-ZVIbm synthesized with 25% sulfur at 300 rev min(-1) for 5 hours. The primary facilitation mechanisms of S-ZVI(bm) include mitigating passivation, increasing hydrophobicity, enhancing electron transfer, and accelerating Fe2+ regeneration to efficiently activate PS.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Erika Dutkova, Maria Jesus Sayagues, Martin Fabian, Matej Balaz, Marcela Achimovicova
Summary: In this work, famatinite Cu3SbS4 was successfully synthesized using elemental precursors via laboratory planetary ball milling and industrial eccentric vibratory milling, with crystallite sizes of 14 nm and 10 nm, respectively. The determined band gap energy of 1.31 eV and 1.24 eV shows a blue-shift relative to bulk Cu3SbS4, indicating potential photovoltaic properties. The scalable milling process represents a promising route for mass production of Cu3SbS4.
Article
Materials Science, Ceramics
Manish Kumar, Rahul Vaish, Samia ben Ahmed
Summary: Single-phase BiVO4 powder was successfully synthesized at 600 degrees C using mechanochemical high energy ball milling method within 4 hours. The combined photocatalytic and piezocatalytic activity of BiVO4 powder exhibited high piezo-photocatalytic efficiency, with significant dye degradation observed within 240 minutes. The study confirmed the presence of various oxidation states of V, Bi, and O elements in the synthesized powder, contributing to the observed catalytic efficiencies.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Review
Chemistry, Applied
Ilya N. Egorov, Anindita Mukherjee, Sougata Santra, Dmitry S. Kopchuk, Igor S. Kovalev, Yuanli Liu, Grigory V. Zyryanov, Adinath Majee, Oleg N. Chupakhin, Brindaban C. Ranu
Summary: This review highlights the various applications of cross dehydrogenative coupling reactions under ball milling for the synthesis of useful molecules in a more efficient and convenient manner.
ADVANCED SYNTHESIS & CATALYSIS
(2022)
Article
Materials Science, Multidisciplinary
K. Ramakrushna Achary, Y. Bhaskara Rao, L. N. Patro
Summary: LaF3 based fast ion conducting materials with nanometer-sized crystallites obtained by mechanical milling show enhanced conductivity compared to un-milled forms. The influence of bivalent dopant BaF2 and co-dopant CaF2 on LaF3 conductivity and structural properties is studied, with differences in ionic radii and valence state explaining the observed results.
Article
Chemistry, Physical
Yiru Zou, Chao Wang, Hanxiang Chen, Haiyan Ji, Qian Zhu, Wenshu Yang, Linlin Chen, Zhigang Chen, Wenshuai Zhu
Summary: In this study, V2O5 nanoparticles with oxygen vacancies were successfully prepared using a facile ball milling strategy, showing remarkable sulfur removal efficiency for fuel oils, with sulfur removal reaching up to 99.7%.
GREEN ENERGY & ENVIRONMENT
(2021)
Article
Environmental Sciences
Wenrui Sun, Jie Li, Hao Li, Baichuan Jin, Zhifeng Li, Tingting Zhang, Xiaobiao Zhu
Summary: In this study, montmorillonite was organically modified using a dry ball milling method with tetramethylammonium bromide to improve its specific surface area and microporosity. The modified montmorillonite showed enhanced adsorption performance for toluene, and the interaction between tetramethylammonium bromide and montmorillonite was mainly electrostatic forces. This research provides a promising adsorbent for VOCs removal.
Article
Chemistry, Physical
Xinyan Li, Muhua Chen, Guangyao Li, Ping Wang
Summary: Construction of heterophase junction is an effective approach to enhance catalytic performance, but its potential in formaldehyde pollution remediation is understudied. In this study, we report the fabrication, catalytic properties, and mechanism of an alpha/A-MnO2 heterophase junction catalyst for HCHO oxidation. The catalyst exhibited exceptional performance and stability, outperforming most reported MnO2-based catalysts.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Kathryn Ralphs, Gillian Collins, Haresh Manyar, Stuart L. James, Christopher Hardacre
Summary: The catalysts prepared by mechanochemical method exhibited better selectivity in the selective hydrogenation reaction. The Pt/TiO2 catalyst achieved 100% selectivity to stearyl alcohol.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Energy & Fuels
Zeming Yuan, Xiaoming Li, Tao Li, Tingting Zhai, Yonghua Lin, Dianchen Feng, Yanghuan Zhang
Summary: Ball milling can greatly improve the hydrogen storage performances of Sm5Mg41 alloy by increasing surface activity and introducing nanocrystalline grain boundaries for enhanced hydrogen diffusion. The alloy milled for 10 hours exhibits the best hydrogen storage property.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Materials Science, Multidisciplinary
Linlin Song, Jianjun Li, Zhanqun Zhang, Zongru Li, Tianyu Hu, Fen Li, Yan Zhao, Xujie Peng
Summary: Lanthanum-containing magnetic zeolite (LMZ) prepared from coal gangue exhibits a typical NaA zeolite structure with uniform distribution of La3+ ions and Fe3O4 particles. LMZ has a significantly increased specific surface area and phosphorus adsorption capacity, and can be efficiently magnetically separated from water after proper chemical treatment, showing great potential for practical applications.
Article
Chemistry, Inorganic & Nuclear
Nico Leupold, Philipp Ramming, Irene Bauer, Christina Witt, Jennifer Jungklaus, Ralf Moos, Helen Grueninger, Fabian Panzer
Summary: In this study, we investigated the impact of the size of methylammonium iodide (MAI) reactants on the mechanochemical powder synthesis of halide perovskite methylammonium lead iodide (MAPbI(3)). Our results showed that the particle size of the perovskite powder increased and its defect density decreased with increasing MAI reactant size. This behavior seemed to be associated with the influence of MAI size on the time durations of MAPbI(3) synthesis and the crushing stage during ball milling.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2023)
Article
Energy & Fuels
Xinqi Yao, Shuaishuai Yuan, Chuandong Li, Lei Wang, Xinhai Yu, Pengfei Tian, Shan-tung Tu
Summary: Methanol steam reforming (MSR) is an efficient method for hydrogen production in fuel cell applications, and Pd-Zn catalysts are commonly used. To minimize Pd loading, PdZn nanoparticles (NPs) and Pd1/ZnO single-atom catalysts (SACs) were prepared through ball milling. The 2PdZn/Al2O3 NP catalyst exhibited excellent antioxidation ability and stability at 350 degrees C, with methanol conversion maintained at 99.5% and CO concentration below 0.71%. It showed promising potential for on-board hydrogen production for fuel cell vehicles.
Article
Chemistry, Inorganic & Nuclear
M. H. Mahmoud, Azza M. Hassan, Abd El-Aziz A. Said, T. A. Taha
Summary: By utilizing the microwave-combustion approach, nanocrystals made of zinc ferrite were synthesized and their magnetic and structural traits were examined. The results demonstrated noticeable crystallinity and small crystallite size, as well as robust catalytic activity and high selectivity in the dehydrogenation-dehydration reaction.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Environmental Sciences
Junxue Wu, Bin Wang, Han Qu, Fang Wang, Lei Duan, Gang Yu
Summary: Acid-washed zero-valent aluminum was found to enhance the degradation efficiency of phenacetin in the persulfate treatment. The degradation of phenacetin mainly involved the break of C-N and C-O bonds and further oxidation.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Environmental
Han Qu, Hongting Diao, Jiajun Han, Bin Wang, Gang Yu
Summary: The production of plastic has significantly increased over the past decades, leading to the emergence of microplastics and nanoplastics, which pose potential risks to the environment and human health. Recent evidence suggests an increasing trend in microplastic concentration, with laboratory studies showing exposure levels much higher than those found in the environment. Microplastics have also been detected in feces, indicating possible excretion from animals and humans. Current studies have uncertainties, emphasizing the need for policies to reduce microplastic emissions and overcome technical obstacles in detection.
FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING
(2023)
Article
Chemistry, Physical
Qinglun You, Chunsheng Zhang, Min Cao, Bin Wang, Jun Huang, Yujue Wang, Shubo Deng, Gang Yu
Summary: In this study, a modified g-C3N4 (SCBCN0.4) was successfully synthesized using a triple strategy of defect controlling, element doping, and crystallinity improving. The research revealed that SCBCN0.4 has optimized microstructure and electronic structure, improved light-harvesting capability, and enhanced carrier separation efficiency. SCBCN0.4 demonstrated excellent performance in pollutant degradation and in-situ H2O2 generation, and showed detoxification, reusability, and stability.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Environmental Sciences
Quan Zheng, Yinqiao Zhang, Qianxin Zhang, Yujue Wang, Gang Yu
Summary: The electro-peroxone (EP) process is an electricity-based oxidation process that generates hydrogen peroxide (H2O2) from cathodic oxygen (O2) reduction to remove antibiotic resistant bacteria (ARB) and plasmid-encoded antibiotic resistance genes (ARGs). Compared to ozonation alone, the EP process exhibits higher center dot OH exposures but lower O3 exposures, resulting in a moderately decreased efficiency of ARB inactivation and ARG degradation. However, the EP process effectively cleaves plasmid DNA to shorter fragments, reducing the risks of natural transformation of ARGs. Consideration of the effects of the EP process on ARB and ARG inactivation is important for water treatment implementation.
Article
Engineering, Biomedical
Yong Peng, Honggang Liu, Junhua Li, Jun Huang, Bao-Liang Lu, Wanzeng Kong
Summary: This paper proposes a Joint label-Common and label-Specific Features Exploration (JCSFE) model for semi-supervised cross-session EEG emotion recognition. The experimental results demonstrate that JCSFE achieves superior emotion recognition performance and provides a quantitative method to identify the label-common and label-specific EEG features in emotion recognition.
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING
(2023)
Article
Engineering, Environmental
Chunzhao Chen, Gang Yu, Bin Wang, Fei Li, Huijuan Liu, Wen Zhang
Summary: This study explores the degradation behavior of disposable face masks in simulated seawater through accelerated aging experiments. The release rates of microplastics (MPs) and dissolved organic carbon (DOC) from the masks are influenced by temperature and time. The time-temperature superposition principle is used to estimate the degradation time and predict the release of MPs and DOC into the ocean in the future.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Engineering, Environmental
Yongshuang Ma, Erzhuo Zhao, Guangsen Xia, Juhong Zhan, Gang Yu, Yujue Wang
Summary: Electrochemically producing hydrogen peroxide (H2O2) from oxygen reduction reaction (ORR) with natural air diffusion electrode (NADE) is an attractive way for decentralized water treatment. However, the presence of calcium ions (Ca2+) in water matrices can cause significant deterioration of NADE stability during H2O2 electroproduction, leading to reduced current efficiencies. Proper strategies are needed to mitigate electrode fouling during H2O2 electroproduction in practical water and wastewater treatment.
Article
Engineering, Environmental
Yinqiao Zhang, Yang Guo, Jingyun Fang, Kaiheng Guo, Gang Yu, Yujue Wang
Summary: A probe compound-based kinetic model was developed to predict micropollutant (MP) abatement in various water matrices by the UV/chlorine process. This model allows for the calculation of the exposures of reactive chlorine species and hydroxyl radicals during the process based on the depletion of three probe compounds. The model can predict the abatement efficiencies of different MPs in different water matrices without prior calibration and provides insights into the abatement mechanism of MPs during UV/chlorine treatment.
Article
Computer Science, Artificial Intelligence
Xiwen Qu, Hao Che, Jun Huang, Linchuan Xu, Xiao Zheng
Summary: Multi-label image classification is a task that assigns multiple possible labels to an image. This paper improves the modeling of label correlations and the learning of semantic representations by exploring both local and global semantics shared by multiple labels, and learning semantic representations at multiple convolutional layers. The proposed Multi-layered Semantic Representation Network (MSRN) achieves competitive performance on benchmark datasets.
INTERNATIONAL JOURNAL OF MACHINE LEARNING AND CYBERNETICS
(2023)
Article
Engineering, Environmental
Luz Estefanny Quispe Cardenas, Parker John Deptula, Cynthia Soraya Huerta, Chonglin Zhu, Yinyin Ye, Siwen Wang, Yang Yang
Summary: This study discovered the multifunctionality of electro-Fenton (EF) and induced EF (I-EF) processes in removing organics, pathogens, and phosphate without halogenated byproduct formation. The EF and I-EF processes used sacrificial anodes or induced electrodes to activate H2O2 produced from a gas diffusion cathode. Reactive chlorine species were eliminated by H2O2, preventing the formation of halogenated byproducts. The EF process showed high removal efficiencies for COD, carbamazepine, and phosphate, while also demonstrating broad-spectrum disinfection activities.
ACS ES&T ENGINEERING
(2023)
Article
Engineering, Environmental
Shanshan Deng, Giovanni Cagnetta, Gang Yu, Jun Huang
Summary: This study introduces a novel mechanochemical approach to prepare sulfidated magnetite and evaluates its activation and degradation ability. The results indicate that the method is highly effective in rapidly degrading atrazine.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Mengbin Gu, Liquan Liu, Gang Yu, Jun Huang
Summary: This study evaluated the chemical reactivity of C7HFPO-TA in advanced oxidation and reduction processes for the first time, revealing unexpected transformation mechanisms. The results showed that reductive degradation was more feasible for C7HFPO-TA, while oxidative degradation was influenced by its structure.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Article
Engineering, Environmental
Yang Guo, Gang Yu, Urs von Gunten, Yujue Wang
Summary: Superoxide radicals (O-2(center dot-)) are important chain carriers in the radical chain reaction during ozonation, promoting the decomposition of ozone (O-3) to hydroxyl radicals ((OH)-O-center dot). This study used a probe compound and kinetic modeling to evaluate the role of O-2(center dot-) for O-3 decomposition during ozonation of synthetic solutions and natural waters. The results showed that O-2(center dot-) plays a critical role in promoting O-3 decomposition, with its contribution ranging from 45-70% depending on water composition.
Article
Engineering, Environmental
Huijiao Wang, Lingwei Gao, Yuxin Xie, Gang Yu, Yujue Wang
Summary: This study developed a probe compound-based experimental and kinetic model to clarify the role of singlet oxygen (O-1(2)) in persulfate-based advanced oxidation processes (PS-AOPs). The results showed that although O-1(2) has higher concentrations and exposures than sulfate radicals and hydroxyl radicals, its relative contribution to pollutant abatement is generally negligible compared to that of sulfate radicals and hydroxyl radicals.
Article
Environmental Sciences
Chunzhao Chen, Chenxi Sun, Bin Wang, Zhiguo Zhang, Gang Yu
Summary: This study investigated the adsorption behavior of triclosan on differently sized and functionalized polystyrene nanoparticles (PSNPs) and evaluated the effects of environmental factors. The results showed that the physicochemical properties of PSNPs, such as particle size and surface functional groups, are important factors influencing their adsorption capacity.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
