Article
Environmental Sciences
Nurbek Nurlan, Ainash Akmanova, Shanawar Hamid, Woojin Lee
Summary: The presence of oxyanions in groundwater significantly affects the reactivity and selectivity of Cu-Pd-hematite bimetallic catalysts for NO3- reduction, making their successive application challenging.
Article
Environmental Sciences
Zhanhui Shen, Gege Peng, Jialu Shi, Gao Ya
Summary: This study successfully achieved nitrate reduction without the need for additional reducing agents by preparing supported Cu/Pd bimetallic nanoparticles, showing high efficiency and selectivity.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Agricultural Engineering
Lei Jiang, Yifang Zhang, Qiushi Shen, Yuanxiang Mao, Qian Zhang, Fangying Ji
Summary: In this study, NaAc bio-filter showed better denitrification performance with higher denitrification rate and lower cost compared to PCL bio-filter. Despite the high abundance of Proteobacteria in PCL bio-filter, it had poor denitrification performance.
BIORESOURCE TECHNOLOGY
(2021)
Article
Chemistry, Physical
Jianjun Zhou, Fan Pan, Qiaofeng Yao, Yunqing Zhu, Hongrui Ma, Junfeng Niu, Jianping Xie
Summary: A cost-effective Cu2O/Cu NRs/CF cathode was reported with abundant Cu active sites and electron-rich Cu2O sites, exhibiting rapid nitrate reduction kinetics and no nitrite accumulation. The electrode showed efficient nitrate reduction and high selectivity for N-2 production with long-term stability and low energy consumption.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Green & Sustainable Science & Technology
Junlin Xie, Qiqi Jin, De Fang, Yanli Ye, Sensheng Hou, Xiaohui Wang, Feng He
Summary: The modification mode and promotion mechanism of CuY zeolite catalyst with La/Ce doping were investigated. CuLaY achieved high efficiency and reduced N2O production at high temperatures. La/Ce doping increased the content of surface Cu2+ species and improved the oxidation ability of the catalysts. However, the formation of La/Ce oxides had an adverse impact on the SCR activity, with Ce oxides being easier to form than La oxides.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Engineering, Chemical
Saki Shigenobu, Hajime Hojo, Hisahiro Einaga
Summary: The effect of Cu addition on the catalytic properties of Pd/CeO2 catalysts for CO oxidation was investigated. It was found that Cu addition enhanced the activity of the catalyst, but excessive addition of Cu led to agglomeration of PdO and decreased CO oxidation activity.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Engineering, Environmental
Adrian Mari, Jose Alberto Baeza, Marta Pedrosa, O. Salome G. P. Soares, Luisa Calvo, Miguel Angel Gilarranz, Adrian M. T. Silva, M. Fernando R. Pereira
Summary: In this study, powdered Pd and Pd-Cu catalysts supported on carbon materials with different structural properties were used to prepare catalytic membranes for the reduction of oxoanions in drinking water. The Pd catalytic membranes showed high activity in the reduction of NO2- and BrO3-, while the Pd-Cu catalytic membranes exhibited higher selectivity to NH4+ in the reduction of NO3-. The use of a flow-through configuration reactor facilitated the control of H2 transfer and availability, allowing for the tuning of conditions for both activity and selectivity.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Shan He, Bin Wu, Ziwei Xia, Panxiang Guo, Yao Li, Shiqiang Song
Summary: Gamma-graphyne was synthesized using a one-pot method via a Pd-catalyzed decarboxylative coupling reaction. It showed superior catalytic activity for the reduction of 4-nitrophenol with short reaction time and high yields, even in aqueous media.
NANOSCALE ADVANCES
(2023)
Article
Chemistry, Physical
Ines Sanchis, Juan Jose Rodriguez, Angel F. Mohedano, Elena Diaz
Summary: This work investigates the impact of metal loading, impregnation order, and promoter metal type on a Pd bimetallic catalyst supported on gamma-alumina for the catalytic reduction of nitrate. The findings suggest that Pd-Sn catalysts exhibit higher activity and NH4+ selectivity, while their stability decreases in the presence of other ions.
Article
Chemistry, Physical
Huimin Liu, Chenyi Yuan, Shipeng Wu, Chao Sun, Zhen Huang, Hualong Xu, Wei Shen
Summary: In this study, a nanoflower-like TiO2-supported Pd catalyst was developed with a higher concentration of oxygen vacancies and surface hydroxyl groups. The distinctive structure of the nanoflower-like TiO2 resulted in improved dispersion and stabilization of Pd species, as well as the activation of CO and O-2 molecules. As a result, the catalyst exhibited remarkable efficiency and stability in low-temperature CO oxidation reaction.
JOURNAL OF CHEMICAL PHYSICS
(2023)
Article
Green & Sustainable Science & Technology
Hongbing Dan, Yan Song, Yan Xu, Yue Gao, Wenjia Kong, Ying Huang, Qinyan Yue, Baoyu Gao
Summary: A novel and highly reactive Cu nanoparticles embedded straw-graphene composite was synthesized for the reduction of p-nitrophenol, demonstrating good catalytic performance and recyclability. The study provides insights for addressing water pollution and utilizing agricultural solid waste effectively.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Chemistry, Physical
Zhengjie Gong, Tao Ma, Feng Liang
Summary: The trimetallic Ni@Cu@Pd nanoparticles with a blackberry-like structure were successfully prepared using a seed mediated growth method, showing high catalytic activity towards organic pollutants in wastewater. These nanoparticles also exhibited efficient catalytic reduction towards various organic dyes and nitrophenols, along with excellent stability and reusability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Multidisciplinary
A. Prekob, L. Vanyorek, Z. Fejes
Summary: The study found that the BCNT support exhibited higher selectivity towards benzhydrol during the hydrogenation of benzophenone, possibly due to the presence of covalently bonded nitrogen atoms that can inhibit over-hydrogenation processes.
MATERIALS TODAY CHEMISTRY
(2021)
Article
Chemistry, Physical
Han Guo, Patricia Poths, Philippe Sautet, Anastassia N. Alexandrova
Summary: This study delves into the dynamic process of copper oxide nanoclusters in catalytic applications, revealing that oxygen integration into the clusters is not a simple process and involves multiple steps. The diverse reaction profiles observed highlight the importance of dynamic effects in the mechanisms, kinetic models, and catalyst design principles.
Article
Engineering, Chemical
Belen Peroni, Marisa Navas, Hernan P. Bideberripe, Bibiana Barbero, Monica L. Casella, Maria A. Jaworski
Summary: The study investigated the removal of hazardous oxyanions NO3-, NO2-, and BrO3- using novel PdCu/10ZrCe structured catalysts supported on cordierite monoliths. The catalyst showed good activity and selectivity in synthetic water, but lower activity in real water samples due to competition for active sites by different ions. The structured catalyst has potential for developing a system for water remediation based on PdCu/ZrO2-CeO2 materials.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2021)
Article
Environmental Sciences
S. Longo, S. Malamis, E. Katsou, C. N. Costa, C. P. Theologides, F. Fatone
WASTE AND BIOMASS VALORIZATION
(2016)
Article
Engineering, Environmental
C. P. Theologides, S. P. Theofilou, A. Anayiotos, C. N. Costa
WATER SCIENCE AND TECHNOLOGY
(2017)
Article
Chemistry, Physical
Lilian Valanidou, Christodoulos Theologides, Antonis A. Zorpas, Petros G. Savva, Costas N. Costa
APPLIED CATALYSIS B-ENVIRONMENTAL
(2011)
Article
Engineering, Chemical
Nantia A. Pantelidou, Christodoulos P. Theologides, Georgios G. Olympiou, Petros G. Savva, Marlen I. Vasquez, Costas N. Costa
DESALINATION AND WATER TREATMENT
(2015)
Article
Environmental Sciences
Syam S. Andra, Konstantinos C. Makris, George Botsaris, Pantelis Charisiadis, Harris Kalyvas, Costas N. Costa
SCIENCE OF THE TOTAL ENVIRONMENT
(2014)
Article
Engineering, Environmental
C. P. Theologides, P. G. Savva, G. G. Olympiou, N. A. Pantelidou, B. K. Constantinou, V. K. Chatziiona, L. Y. Valanidou, C. T. Piskopianou, C. N. Costa
WATER SCIENCE AND TECHNOLOGY
(2013)
Article
Engineering, Environmental
C. P. Theologides, G. G. Olympiou, P. G. Savva, N. A. Pantelidou, B. K. Constantinou, V. K. Chatziiona, L. Y. Valanidou, C. T. Piskopianou, C. N. Costa
WATER SCIENCE AND TECHNOLOGY
(2014)
Article
Environmental Sciences
P. G. Savva, C. N. Costa, A. G. Charalambides
WASTE AND BIOMASS VALORIZATION
(2013)
Article
Biotechnology & Applied Microbiology
Stathis P. Theofilou, Barbara K. Constantinou, Vasiliki K. Chatziiona, Nantia Pantelidou, Semyon Plyastsov, Konstantinos Kapnisis, Petros G. Savva, Igor Meshkovsky, Andreas Anayiotos, Costas N. Costa
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
(2019)
Article
Energy & Fuels
Maria Kyriakou, Vasiliki K. Chatziiona, Costas N. Costa, Michalis Kallis, Loukas Koutsokeras, Georgios Constantinides, Michalis Koutinas
Article
Engineering, Environmental
S. P. Theofilou, C. Antoniou, L. Potamiti, A. Hadjisavvas, M. Panayiotidis, P. G. Savva, C. N. Costa, V. Fotopoulos
Summary: The study investigates the antimicrobial properties and mechanism of action of immobilized silver nanoparticles on E. coli solutions. Results indicate that the bactericidal mechanism may involve the activation of outer membrane phospholipase A and the oxidative transfer of silver from the nanoparticles to the cell.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Proceedings Paper
Green & Sustainable Science & Technology
Kyriakos Ph Prokopi, George G. Olympiou, Costas N. Costa
RECENT ADVANCES IN ENVIRONMENTAL SCIENCE FROM THE EURO-MEDITERRANEAN AND SURROUNDING REGIONS, VOLS I AND II
(2018)
Article
Chemistry, Physical
Christodoulos P. Theologides, Georgios G. Olympiou, Petros G. Savva, Konstantinos Kapnisis, Andreas Anayiotos, Costas N. Costa
APPLIED CATALYSIS B-ENVIRONMENTAL
(2017)
Article
Water Resources
N. Solomou, A. Stamatoglou, S. Malamis, E. Katsou, C. N. Costa, M. Loizidou
WATER PRACTICE AND TECHNOLOGY
(2014)
Article
Chemistry, Physical
Bolun Yu, Denan Li, Qianqian Zhu, Shufan Yao, Lifeng Zhang, Yanshuo Li, Zhenxin Zhang
Summary: This study successfully improved the catalytic activity of a zeolitic octahedral metal oxide by incorporating a single zinc species into its micropore. The zinc incorporation achieved a high ethane conversion rate and ethylene selectivity. Mechanism study showed that the isolated zinc site played a crucial role in activating oxygen and ethane, as well as stabilizing intermediates and transition states.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Ruoqi Liu, Hao Fei, Jian Wang, Ting Guo, Fangyang Liu, Zhuangzhi Wu, Dezhi Wang
Summary: This work successfully synthesized a high-performing S-enriched MoS2 catalyst for electrocatalytic nitrogen reduction reaction (NRR), demonstrating high activity and selectivity. The synergistic effect of the 1T phase and bridging S22- species was shown to play a positive role in NRR performances, and DFT calculations revealed the mechanism behind the improved performance.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Pan Xia, Lele Zhao, Xi Chen, Zhihong Ye, Zhihong Zheng, Qiang He, Ignasi Sires
Summary: This study presents a modified gas-diffusion electrode (GDE) for highly efficient and stable H2O2 electrosynthesis by using trace polymethylhydrosiloxane (PMHS). DFT calculations provide an in-depth understanding of the roles of PMHS functional groups.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Kwangchol Ri, Songsik Pak, Dunyu Sun, Qiang Zhong, Shaogui Yang, Songil Sin, Leliang Wu, Yue Sun, Hui Cao, Chunxiao Han, Chenmin Xu, Yazi Liu, Huan He, Shiyin Li, Cheng Sun
Summary: Different B-doped rGO catalysts were synthesized and their 2e- oxygen reduction reaction (ORR) performance was investigated. It was found that the 2e- ORR selectivity of B-doped rGO was influenced by the B content and oxygen mass transfer conditions. The synthesized catalyst exhibited high 2e- ORR selectivity and was capable of degrading organic pollutants continuously.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Li Lv, Lin Lei, Qi-Wen Chen, Cheng-Li Yin, Huiqing Fan, Jian-Ping Zhou
Summary: Monoclinic phase La2Ti2O7 and orthorhombic phase Bi4Ti3O12 are widely used in photocatalysis due to their layered crystal structure. The electronic structures of these phases play a crucial role in their photocatalytic activity. Heat treatment in a nitrogen atmosphere introduces more oxygen vacancies into the S-scheme heterojunction, leading to enhanced NO removal efficiency.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Choe Earn Choong, Minhee Kim, Jun Sup Lim, Young June Hong, Geon Joon Lee, Keun Hwa Chae, In Wook Nah, Yeomin Yoon, Eun Ha Choi, Min Jang
Summary: In this study, the synergistic effect between argon-plasma-system (AP) and catalysts in promoting the production of reactive species for water remediation was investigated. By altering the oxygen vacancies concentration of CeO2/Bi2O3 catalyst, the production of hydrated electrons was stimulated for PFOA removal. The results showed that the built-in electric field in the Bi/Ce0.43 interface enhanced electron migration and eaq- generation, leading to improved PFOA removal efficiency.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Yushan Wu, Di Xu, Yanfei Xu, Xin Tian, Mingyue Ding
Summary: Efficient synthesis of primary amines from carbonyl compounds was achieved via reductive amination using Ru@NC-Al2O3 as a catalyst, exhibiting high activity and selectivity under mild conditions.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Yilan Jiang, Peifang Wang, Tingyue Chen, Keyi Gao, Yiran Xiong, Yin Lu, Dionysios D. Dionysiou, Dawei Wang
Summary: By controlling the content of Co and Ni in Co1-xNixFe2O4, the production of O-1(2) from H2O2 can be regulated. NiFe2O4, with the lowest lattice distortion degree, can efficiently produce O-1(2) as the dominant reactive oxygen species. The system also exhibits significant resistance to water matrix interference.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Shuai Feng, Donglian Li, Hao Dong, Song Xie, Yaping Miao, Xuming Zhang, Biao Gao, Paul K. Chu, Xiang Peng
Summary: In this study, MoO2/Mo2N heterostructures were prepared by regulating the coordination of Mo atoms. The electrocatalyst exhibits high current density and excellent stability for hydrogen evolution reaction.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Jia-Cheng E. Yang, Min -Ping Zhu, Daqin Guan, Baoling Yuan, Darren Delai Sun, Chenghua Sun, Ming-Lai Fu
Summary: This study successfully modulated the electron configuration and spin state of millimetric metal catalysts by adjusting the support curvature radius. The electronic structure-oriented spin catalysis was found to affect the degradation of pollutants, providing new insights for the design and production of highly active, reusable, and stable catalysts.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Tao Zhong, Su Tang, Wenbin Huang, Wei Liu, Huinan Zhao, Lingling Hu, Shuanghong Tian, Chun He
Summary: In this study, a highly efficient photocatalyst for the elimination of CH3SH was developed by engineering different crystal facets and coupling them with PHI. Cu (111)/PHI exhibited the highest elimination efficiency and showed good stability and reusability. The enhanced surface electron pump effect and effective adsorption mechanisms were revealed through comprehensive characterizations and DFT calculations.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Physical
Feifei Yang, Tianyu Zhang, Jiankang Zhao, Wei Zhou, Nicole J. Libretto, Jeffrey T. Miller
Summary: A Ni3Sn intermetallic nano particle was found to have geometrically isolated Ni sites that could selectively cleave C-O bonds in biomass derivatives. This nano particle showed high activity and selectivity towards 2-methylfuran, unlike Ni nanoparticles that produced other unwanted products derived from the aromatic rings.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Lulu Qiao, Di Liu, Anquan Zhu, Jinxian Feng, Pengfei Zhou, Chunfa Liu, Kar Wei Ng, Hui Pan
Summary: This study reveals that surface evolution plays a crucial role in enhancing the electrocatalytic performance of transition metal oxides for electrochemical nitrate reduction reaction (e-NO3RR). Incorporating nickel into Co3O4 can promote surface reconstruction and improve the adsorption of intermediates and reduce energy barriers, leading to enhanced catalytic performance. The reconstructed cobalt-nickel hydroxides (CoyNi1_y(OH)2) on the catalyst's surface serve as the active phase.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Xinyu Song, Yang Shi, Zelin Wu, Bingkun Huang, Xinhao Wang, Heng Zhang, Peng Zhou, Wen Liu, Zhicheng Pan, Zhaokun Xiong, Bo Lai
Summary: This study explores the discriminative activities and mechanisms for activation of O-O bond in peroxy compounds via single-atom catalysts (SACs) with higher coordination numbers (M-N5). The atomic catalyst (Fe-SAC) with Fe-N5 as the active center was constructed, effectively activating peroxymonosulfate (PMS), peroxydisulfate (PDS), and hydrogen peroxide (H2O2). The study demonstrates the degradation efficiencies of acyclovir are related to the O-O bond length in different peroxy compounds, and reveals the discriminative mechanisms for activation of O-O bond in different Fenton-like systems.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)
Article
Chemistry, Physical
Yangzhuo He, Hong Qin, Ziwei Wang, Han Wang, Yuan Zhu, Chengyun Zhou, Ying Zeng, Yicheng Li, Piao Xu, Guangming Zeng
Summary: A dual-metal-organic framework (MOF) assisted strategy was proposed to construct a magnetic Fe-Mn oxycarbide anchored on N-doped carbon for peroxymonosulfate (PMS) activation. The FeMn@NC-800 catalyst exhibited superior activity with almost 100% degradation of sulfamethazine (SMZ) in 30 minutes. The study provided insights for the rational design of high-performance heterogeneous catalysts and proposed a novel nonradical-based catalytic oxidation for environmental cleaning.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2024)