Article
Environmental Sciences
Ying Zhang, Xin Xu, Jingju Cai, Yuwei Pan, Minghua Zhou
Summary: The removal of 2,4-dichlorophenoxyacetic acid (2,4-D) was studied in the photoelectrocatalysis/photoelectro-Fenton (PEC-PEF) process using Blue-TiO2 nanotube (Blue-TNTs) and modified carbon felt. Factors such as Fe2+ dose, bias potential, and light intensity were found to affect the degradation efficiency of 2,4-D. The modified carbon felt was more efficient for 2,4-D removal compared to stainless steel due to its increased H2O2 generation.
Article
Chemistry, Analytical
Martin O. A. Pacheco-Alvarez, Oracio Serrano-Torres, Abudukeremu Kadier, Enric Brillas, Juan M. Peralta-Hernandez
Summary: This paper presents the use of advanced oxidation electrochemical processes, including anodic oxidation, electroFenton, and photoelectro-Fenton, to degrade the azo dye Reactive Orange 84. Boron-doped diamond electrodes were used in different configurations in a stirred tank cell. The effects of different operating parameters, such as electrolyte concentration and applied current density, on the discoloration process were evaluated. The production of free radicals and the decrease in chemical oxygen demand were analyzed, along with the quantification of oxalic acid as a final product.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Environmental Sciences
Fuad Ameen, Turki M. Dawoud, Fatimah Alshehrei, Khawla Alsamhary, Abobakr Almansob
Summary: This study evaluated the degradation ability of indigenous Aspergillus strains on azo dyes in wastewater, finding that these strains can effectively degrade azo dyes under optimal conditions.
Article
Environmental Sciences
Kun Lin, Shahzad Afzal, Liheng Xu, Tao Ding, Feng Li, Ming Zhang
Summary: This study synthesized a Fe-containing red mud biochar (RMBC) as a photo-Fenton catalyst for degrading acid orange 7 (AO7). Results showed that RMBC had excellent degradation performance with a decolorization efficiency of nearly 100% and a mineralization efficiency of 87% under visible light irradiation. The study also revealed the reaction mechanism of RMBC, including the activation of H2O2 by Fe2+ provided by RMBC and the production of more reactive oxygen species (ROS) for AO7 degradation under light irradiation.
ENVIRONMENTAL POLLUTION
(2023)
Article
Engineering, Environmental
Qizhan Zhang, Minghua Zhou, Zhicheng Lang, Xuedong Du, Jingju Cai, Lujie Han
Summary: This study introduced innovative EAOPs using a natural air diffusion electrode to improve H2O2 production and utilization efficiency, in combination with electro-Fenton and photoelectro-Fenton for the degradation of organic pollutants. By reducing energy consumption and proposing a new H2O2 utilization efficiency evaluation index, the study showed that the EF-PEF process had higher efficiency but was not cost-effective compared to EF alone. The EF-PEF process not only improved HUE, but also maintained high mineralization efficiency with extremely low energy consumption, outperforming most reported EAOPs in literature.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Environmental Sciences
Fatima Ezzahra Titchou, Hicham Zazou, Hanane Afanga, El Gaayda Jamila, Rachid Ait Akbour, Mohamed Hamdani, Mehmet A. Oturan
Summary: This study compared the efficiency of different treatment methods for removing Direct Red 23 from wastewater, finding varying removal effects in different electrolytes, with the use of a mixed supporting electrolyte leading to enhanced TOC removal efficiency.
ENVIRONMENTAL RESEARCH
(2022)
Article
Engineering, Environmental
Ruijuan Zhang, Xinyu Li, Yanjun Yu, Weilin Guo
Summary: In this study, La2CoxNi1-xMnO6 double perovskite catalysts with Co doping were prepared and applied in the heterogeneous electro-Fenton system for the degradation of AO7. The introduction of Co enhanced the efficient redox recycling of Ni2+/Ni3+ and Mn3+/Mn4+ on the electrode surface, synergically facilitating the conversion of H2O2 to center dot OH. The three redox pairs also stimulated the production of superoxide radicals, contributing to the degradation. This work demonstrates the potential of La2CoxNi1-xMnO6/NF as a satisfactory electrode for the decomposition of organic dyes in aqueous solution.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Engineering, Environmental
Ana A. Marquez, Oscar Coreno, Jose L. Nava
Summary: This paper focuses on the implementation of a smart hybrid water treatment process that combines electrocoagulation and active chlorine-based photoelectro-Fenton-like methods to remove Acid Blue 113 dye from synthetic solutions containing chlorides. The study shows that electrocoagulation can efficiently remove the dye in high concentrations, while the active chlorine-based photoelectro-Fenton-like method can oxidize the residual dye to CO2, achieving complete abatement of organic matter.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2022)
Article
Engineering, Environmental
Markandeya, Sheo Prasad Shukla, Arun Lal Srivastav
Summary: The research investigated an efficient and eco-friendly method of using coal fly ash in the form of zeolite to treat wastewater with dyes. Response surface methodology was employed to evaluate the effect of process parameters on the removal of dyes, and optimal conditions were identified for maximum removal of Disperse Orange 25 and Disperse Blue 79:1. The study concluded that cenospheres derivatized zeolite adsorbent is efficient, environmentally friendly, cost-effective and shows high potential for removing DO and DB dyes from aqueous solutions.
WATER SCIENCE AND TECHNOLOGY
(2021)
Article
Environmental Sciences
Ming Zhang, Kun Lin, Yuchi Zhong, Dong Zhang, Mahtab Ahmad, Jie Yu, Hailu Fu, Liheng Xu, Songlin Wu, Longbin Huang
Summary: In this study, Fe/Fe oxide loaded biochars (RMBCs) were synthesized from red mud and shaddock peel, and their potential for removing anionic azo dye from water was evaluated. The results showed that high pyrolysis temperature and appropriate loading ratio can enhance the adsorption and degradation capability of biochars towards AO7. Additionally, the RMBCs can be easily separated from water using a magnetic field.
ENVIRONMENTAL POLLUTION
(2022)
Article
Chemistry, Physical
Fei Wang, Huihui Chen, Shiwei Zhang, Huiqing Jin
Summary: In this study, a novel Eu2+-activated orange-red phosphors Sr3-xAl2Si3O12:xEu2+ were prepared, which can be efficiently excited by wavelengths in the range of 420-500 nm and produce strong orange-red light emission. The optimal doping concentration of Eu2+ is 0.06, and the phosphors exhibit excellent thermal stability and high luminescence quality, making them suitable for LED lighting.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Electrochemistry
Rui Wang, Jiashun Cao, Junsong Song, Jiajia Liu, Yifei Zhang
Summary: This study focused on the study and application of BDD/air-diffusion cell for the decolorization of AR1 using EF and PEF as electrochemical advanced oxidation techniques. The results showed that PEF method had higher color removal efficiency and could quickly destroy and mineralize azo dye-contaminated wastewater.
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2022)
Article
Environmental Sciences
N. Mahmoudi, M. Farhadian, A. R. Solaimany Nazar, P. Eskandari, K. N. Esfahani
Summary: This study investigated the decolorization of two widely used textile dyes using a combined sono-photo-electro-Fenton process, revealing varying efficiency and optimal conditions depending on the dye type.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Electrical & Electronic
Shihao Liu, Shi Wang, Chunsheng Lei, Ruyi Li, Siyang Feng, Qiyu Jin
Summary: Modified g-C3N4-loaded P25 nanocomposites were successfully used to construct Pickering emulsion for photocatalytic degradation of malachite green (MG), achieving higher degradation rates and shorter degradation times compared to conventional solution-dispersed photocatalytic systems. The high catalytic efficiency of the nanocomposites at the oil-water interface demonstrates the potential of this method as an alternative strategy for conventional multiphase reactions.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Multidisciplinary Sciences
Yuko Makita, Shigekatsu Suzuki, Keiji Fushimi, Setsuko Shimada, Aya Suehisa, Manami Hirata, Tomoko Kuriyama, Yukio Kurihara, Hidefumi Hamasaki, Emiko Okubo-Kurihara, Kazutoshi Yoshitake, Tsuyoshi Watanabe, Masaaki Sakuta, Takashi Gojobori, Tomoko Sakami, Rei Narikawa, Haruyo Yamaguchi, Masanobu Kawachi, Minami Matsui
Summary: Photoreceptors are crucial for various developmental stages from green algae to land plants, and blue light sensing is essential for adapting to marine environments. The discovery of a chimeric dual orange/far-red and blue light receptor in Pycnococcus provasolii sheds light on the mechanisms of light adaptation in marine organisms.
NATURE COMMUNICATIONS
(2021)
Correction
Engineering, Chemical
Larah Kriselle B. Paragas, Van Dien Dang, Rama Shanker Sahu, Sergi Garcia-Segura, Mark Daniel G. de Luna, Jose Antonio I. Pimentel, Ruey-An Doong
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Editorial Material
Green & Sustainable Science & Technology
Alexsandro J. dos Santos, Haruna L. Barazorda-Ccahuana, Griselda Caballero-Manrique, Yvens Cheremond, Patricio J. Espinoza-Montero, J. Ricardo Gonzalez-Rodriguez, Ulises J. Jauregui-Haza, Marcos R. V. Lanza, Andrea Najera, Carla Oporto, Andres Perez Parada, Tzayam Perez, Valeria Delgado Quezada, Veronica Rojas, Velia Sosa, Abdoulaye Thiam, Ricardo A. Torres-Palma, Ronald Vargas, Sergi Garcia-Segura
NATURE SUSTAINABILITY
(2023)
Correction
Green & Sustainable Science & Technology
Alexsandro J. dos Santos, Haruna L. Barazorda-Ccahuana, Griselda Caballero-Manrique, Yvens Cheremond, Patricio J. Espinoza-Montero, J. Ricardo Gonzalez-Rodriguez, Ulises J. Jauregui-Haza, Marcos R. V. Lanza, Andrea Najera, Carla Oporto, Andres Perez Parada, Tzayam Perez, Valeria Delgado Quezada, Veronica Rojas, Velia Sosa, Abdoulaye Thiam, Ricardo A. Torres-Palma, Ronald Vargas, Sergi Garcia-Segura
NATURE SUSTAINABILITY
(2023)
Article
Biochemistry & Molecular Biology
Sergio Garcia-Segura, Javier del Rey, Laia Closa, Iris Garcia-Martinez, Carlos Hobeich, Ana Belen Castel, Francisco Vidal, Jordi Benet, Maria Oliver-Bonet
Summary: Since the first description of a commensal seminal microbiome using sequencing, less than a decade ago, interest in the composition of this microbiome and its relationship with fertility has been growing. Articles using next-generation sequencing techniques agree on the identification of the most abundant bacterial phyla. However, at the genus level, there is still no consensus on which bacteria are most abundant in human seminal plasma.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Engineering, Chemical
Omar Alrehaili, Ana S. Fajardo, Sergi Garcia-Segura, Paul Westerhoff
Summary: Innovations in reactor geometry can lower energy requirements for electrolysis and degrade environmental pollutants. Microfluidic devices with high electrode surface area to solution volume ratios minimize mass transfer limitations and decrease energy requirements.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Review
Engineering, Environmental
Gamze Ersan, Gabriel Antonio Cerron-Calle, Mahmut S. Ersan, Sergi Garcia-Segura
Summary: Adsorptive separation technologies are effective in removing organic contaminants from aqueous water. The breakthrough of contaminants pose a challenge in regeneration of spent adsorbents. Electrochemically induced regeneration has the potential to overcome these challenges and provide a sustainable solution. This review critically evaluates the fundamental aspects of in situ electro-regeneration for spent carbons and discusses specific examples related to emerging contaminants.
Article
Engineering, Environmental
Juliana Levi, Sujin Guo, Shalinee Kavadiya, Yihao Luo, Chung-Seop Lee, Hunter P. Jacobs, Zachary Holman, Michael S. Wong, Sergi Garcia-Segura, Chen Zhou, Bruce E. Rittmann, Paul Westerhoff
Summary: This study compared four different methods for reducing nitrate in water and selected the most effective one. The results showed that the method of delivering Pd/In nanoparticles directly to the catalyst-film through gas-permeable hollow-fiber membranes had the least palladium loss and remained active over multiple operational cycles.
Review
Nanoscience & Nanotechnology
Kuichang Zuo, Sergi Garcia-Segura, Gabriel A. Cerron-Calle, Feng-Yang Chen, Xiaoyin Tian, Xiaoxiong Wang, Xiaochuan Huang, Haotian Wang, Pedro J. J. Alvarez, Jun Lou, Menachem Elimelech, Qilin Li
Summary: Electrified processes provide a chemical-free solution for removing a wide range of contaminants from water, including those difficult to treat using conventional methods. This review presents the principles of several electrified water treatment processes and emphasizes the importance of electrode materials in contaminant transport and transformation.
NATURE REVIEWS MATERIALS
(2023)
Article
Chemistry, Physical
Gabriel Antonio Cerron-Calle, Annika Wines, Sergi Garcia-Segura
Summary: Electrochemical reduction of nitrate provides a green alternative for ammonia production, and Ni/Co(OH)x and Ni/Cu2O/Co(OH)x interfaces demonstrate high competitiveness as PGM-free electrocatalyst. The synergistic effects and mechanisms of direct charge transfer reduction and catalytic hydrogenation contribute to the high conversion rate of nitrate. The stability evaluation shows that the electrocatalyst has high activity retention and negligible metal leaching.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Electrochemistry
Renato Montenegro-Ayo, Tzayam Perez, Marcos R. V. Lanza, Enric Brillas, Sergi Garcia-Segura, Alexsandro J. dos Santos
Summary: This paper presents the performance evaluation of a novel pre-pilot reactor design using boron-doped diamond (BDD) anode for electrochemical oxidation of emerging pollutants. The reactor's engineering capabilities were assessed using turbulent flow simulation and secondary current distribution modeling. Different medium conditions were tested to determine the degradation efficiency of the reactor towards the model pollutant, ciprofloxacin (CIP). The study showed that the reactor achieved almost complete mineralization of CIP, with the majority of its nitrogen converted into nitrate.
ELECTROCHIMICA ACTA
(2023)
Article
Environmental Sciences
Gabriel Antonio Cerron-Calle, Ana S. Fajardo, Jingyue Liu, Carlos M. Sanchez-Sanchez, Sergi Garcia-Segura
Summary: Fertilizers are crucial in the food-energy-water nexus. The electrocatalytic nitrate reduction for ammonia production is a promising alternative to centralized processes. However, the challenge lies in finding affordable and selective electrocatalysts.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Chemistry, Multidisciplinary
Andre L. Magdaleno, Gabriel A. Cerron-Calle, Alexsandro J. dos Santos, Marcos R. V. Lanza, Onur G. Apul, Sergi Garcia-Segura
Summary: This study proposes the use of oxygen nanobubbles to enhance the gas efficiency of electrogeneration of H2O2, and finds that nanobubbles have a higher gas-liquid mass transfer coefficient compared to macrobubbles. Additionally, the reaction yield of electrogeneration of H2O2 is improved under the influence of nanobubbles.
Article
Environmental Sciences
Gabriel Antonio Cerron-Calle, Alexsandro J. dos Santos, Marcos R. V. Lanza, Ming-Chun Lu, Sergi Garcia-Segura
Summary: The presence of arsenic in groundwater is a barrier to accessing safe clean water for everyone, even at low concentrations it poses a high risk to human health. Electrified technologies such as electrocoagulation, electrodialysis, and electrosorption are emerging as decentralised water treatment alternatives to manage arsenic pollution. This article presents the principles, limitations, and technology readiness level classification of these upcoming systems, and discusses the challenges associated with the difference between environmental arsenic concentrations and lab-scale tested concentrations. Finally, an outlook and perspective are provided.
CURRENT OPINION IN ENVIRONMENTAL SCIENCE & HEALTH
(2023)
Article
Engineering, Environmental
Enric Brillas, Sergi Garcia-Segura
Summary: Photoelectrocatalysis (PEC) is an electrochemical advanced oxidation process that combines photocatalysis and electrolysis. It utilizes semiconductor photocatalysts to generate electron-hole pairs and oxidation species for the removal of organic pollutants. This paper provides a comprehensive review of the application of PEC with TiO2 photoanodes for wastewater treatment, discussing the fundamentals, operating variables, recent advances, and future prospects of this technique.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Engineering, Chemical
Raul Jose Alves Felisardo, Enric Brillas, Eliane Bezerra Cavalcanti, Sergi Garcia-Segura
Summary: This study reports the remediation of CIP in synthetic urine using electrochemical oxidation with a boron-doped diamond (BDD) anode. The results show that the ECO process with a BDD anode generates hydroxyl radicals and free chlorine as effective oxidants for CIP removal. Uric acid is completely oxidized, while urea and creatinine are partially destroyed. The TOC reduction rate is moderate under specific pH and current density conditions.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
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)