Article
Environmental Sciences
Jianhua Qu, Weihang Zhang, Fuxuan Bi, Shaojuan Yan, Xuemei Miao, Bo Zhang, Yifan Wang, Chengjun Ge, Ying Zhang
Summary: Nitrogen-doped biochar loaded with FeS (FeS@NBCBM) synthesized through two-step ball milling processes showed superior adsorption capacity for Cr(VI) and tetracycline, with stable performance and innovative decorating method for water purification.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Jingqi Wu, Tongshuai Wang, Yuyan Liu, Wei Tang, Shuyu Geng, Jiawei Chen
Summary: N-doped biochar synthesized by ball-milling method and using urea as precursor showed significantly enhanced adsorption capacity for norfloxacin removal. The adsorption enhancement was attributed to the N-doping and ball-milling method, which increased H-bonds, pi-pi electron donor-acceptor, and pore-filling interactions. The regenerated U-MBC had good adsorption capacity and performed well in multiple cycles.
Article
Engineering, Environmental
Juan He, Jingchun Tang, Zheng Zhang, Lan Wang, Qinglong Liu, Xiaomei Liu
Summary: In this study, a composite material of iron sulfide and biochar (FeS@BC) was synthesized using physical ball milling and applied for the oxidative removal of tetracycline in the presence of persulfate. The FeS@BC showed promising efficiency in degrading tetracycline, with biochar playing a facilitating role in the system.
CHEMICAL ENGINEERING JOURNAL
(2021)
Review
Engineering, Environmental
Shakeel Ahmad, Linan Liu, Shicheng Zhang, Jingchun Tang
Summary: This review investigates the impact of N-doped and Fe/N co-doped biochar (BC) on the removal of refractory organic pollutants (ROPs) through adsorption, activation oxidation, and catalytic reduction. The study found that N-doped and Fe/N co-doped BCs can effectively remove ROPs by modifying the physicochemical properties, surface functional groups, and persistent free radicals of BC to aid in the degradation of ROPs. Additionally, the review discusses the applications and mechanisms of N-doped and Fe/N co-doped BCs in environmental remediation.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Agricultural Engineering
Yue Zhang, Yulin Zheng, Yicheng Yang, Jinsheng Huang, Andrew R. Zimmerman, Hao Chen, Xin Hu, Bin Gao
Summary: Ball milling and H2O2 modification significantly increased the specific surface area of biochar and enhanced its adsorption efficiency towards methylene blue. The modified biochar had more oxygen-containing functional groups, leading to a faster adsorption rate for methylene blue.
BIORESOURCE TECHNOLOGY
(2021)
Article
Engineering, Environmental
Miao Gao, Zhen-Yu Wang, Yan-Ru Yuan, Wen-Wei Li, Hou-Qi Liu, Tian-Yin Huang
Summary: In this study, a high-performance carbon electrocatalyst was obtained through simple mechanical milling treatment. Ball milling increased material density, introduced defects and oxygen-containing functional groups, improving conductivity and selectivity. This method offers a low-cost and high-activity solution for neutral H2O2 synthesis and provides opportunities for waste biomass valorization.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Peng Huang, Peng Zhang, Cuiping Wang, Jingchun Tang, Hongwen Sun
Summary: The study investigated the application of N-doped biochar-loaded nanoscale zero-valent iron composites for persulfate activation, demonstrating excellent catalytic performance with strong synergistic effects for effective removal of organic pollutants. It provides a new approach for pollution control and deep exploration of reaction mechanisms.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Physical
Hanane Chakhtouna, Ali Ouhssain, Issam Meftah Kadmiri, Hanane Benzeid, Nadia Zari, Abou el Kacem Qaiss, Rachid Bouhfid
Summary: Biochar materials derived from date palm rachis and silver-doped titanium dioxide nanoparticles were successfully prepared through ball milling. The resulting photocatalysts showed enhanced photocatalytic activity and high antibacterial performance.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2023)
Article
Environmental Sciences
Yi-meng Huang, Guang Li, Mingzhen Li, Jijie Yin, Na Meng, Di Zhang, Xiao-qiang Cao, Fan-ping Zhu, Ming Chen, Lin Li, Xian-jun Lyu
Summary: In this study, N-doped kelp biochar (KB) materials were prepared from kelp biomass, showing excellent catalytic degradation ability under the influence of PMS. The non-radical pathways dominated the degradation process, allowing the system to perform well over a wide pH range. Reusability experiments confirmed the stability of the material, which could restore its catalytic performance through low-temperature pyrolysis.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Environmental
Wei Zhang, Liangguo Yan, Qiaodi Wang, Xuguang Li, Yanxiu Guo, Wen Song, Yanfei Li
Summary: In this study, the ball milling method was used to treat biochar, which enhanced its catalytic performance for tetracycline removal by generating oxygen-functional groups and defects on the surface. Experimental conditions and coexisting substances influenced the degradation efficiency of tetracycline by biochar. The radicals attached to the biochar played a significant role in tetracycline degradation, with both free radicals and non-free radicals participating in the process.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Green & Sustainable Science & Technology
Hongda Zhang, Lijuan Li, Yanjun Li, Rui He, Haiyan Li, Yong Yu
Summary: This study investigates the mechanism of nitrogen and sulfur doped biochar (CNS) for degrading TCH in the PDS system, providing new insights into the treatment of organic pollutants in aquatic environments.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Environmental Sciences
Hangyu Li, Shihao Cui, Yi Tan, Yutao Peng, Xing Gao, Xiao Yang, Yan Ma, Xinyue He, Beibei Fan, Sen Yang, Qing Chen
Summary: This study focuses on the important role of biochar support in improving the performance of biochar supported layered double hydroxides composites. Through material structure-performance analysis, it is found that ball milled biochar has a significant effect on the particle size and adsorption capacity of layered double hydroxides.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Zhongpu Yu, Licheng Ji, Yihan Zuo, Feiyan Zhang, Chengcheng Wei, Fei Jiang, Xianju Fu, Wenge Wu, Jian Du, Chengxia Chen, Feiyue Li
Summary: In this study, mulberry waste was used as raw material to produce biochar for tetracycline hydrochloride (TC) adsorption. By modifying the biochar through ball-milled treatment, a modified biochar with improved adsorption performance was obtained. The modified biochar showed significantly increased surface area, pore volume, and oxygen-containing functional groups, resulting in a 4.2 times increase in TC adsorption capacity. The modified biochar also exhibited favorable adsorption kinetics and was effective under specific pH and ion strength conditions.
WATER AIR AND SOIL POLLUTION
(2023)
Article
Environmental Sciences
Mengna Lai, Jianfa Li, Huiming Li, Yao Gui, Jinhong Lu
Summary: Wood-derived biochar was modified by heteroatom doping to enhance its reactivity towards H2O2 co-activation, improving the oxidation of organic pollutants. Heteroatom doping increased the defects and electron transfer capacity of biochar, leading to improved performance in the co-activated process. N,S-codoped biochar outperformed N-doped biochar in the oxidation of pollutants. Thus, this research offers a novel, sustainable, and cost-efficient method for the oxidation of refractory pollutants.
ENVIRONMENTAL POLLUTION
(2023)
Article
Chemistry, Analytical
Jie Ouyang, Jialin Gong, Liqin Li, Wei Wang, Qinghua Wang, Junyu Chen, Liang Chen, Zhaohui Hou
Summary: In this study, a facile strategy was proposed to synthesize Co/Co9S8@N, S doped porous carbon composite material for zinc-air battery applications. The material exhibited excellent dual function catalytic activity and cycle stability, leading to improved power density of the zinc-air battery.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Bin Zhang, Xu He, Chengze Yu, Guocheng Liu, Dong Ma, Chunyue Cui, Qinghua Yan, Yingjie Zhang, Guangshan Zhang, Jun Ma, Yanjun Xin
Summary: In this study, a unique heterojunction photocatalyst of graphite carbon nitride modified ultrafine TiO2 was fabricated and its photocatalytic degradation performance for tetracycline hydrochloride (TC) was investigated. The effects of various environmental factors on the degradation process and the internal reaction mechanism were explored. The results showed that the photocatalyst exhibited high removal efficiency for TC and excellent anti-interference ability to ions in natural waters. The main reactive species for TC degradation were identified, and a possible mechanism for the photocatalytic system was proposed.
CHINESE CHEMICAL LETTERS
(2022)
Review
Chemistry, Multidisciplinary
Ke Tian, Limin Hu, Letian Li, Qingzhu Zheng, Yanjun Xin, Guangshan Zhang
Summary: This paper summarizes the production of sulfate radicals through persulfate activation and analyzes the existing problems of persulfate-based advanced oxidation processes, providing corresponding solutions.
CHINESE CHEMICAL LETTERS
(2022)
Article
Green & Sustainable Science & Technology
Mingze Sun, Jianhua Qu, Tianyi Han, Jiaqi Xue, Kaige Li, Zhao Jiang, Guangshan Zhang, Hui Yu, Ying Zhang
Summary: Designing non-metallic catalyst as persulfate (PS) activator for effective organic pollutants degradation in water is challenging. Bovine-derived bone chars (BBCs) were prepared with different temperatures, containing ordered mesoporous structures, which showed high phenol uptake and complete degradation in combination with PS. The BBC700/PS system exhibited excellent phenol mineralization rate and strong anti-jamming capacity to various conditions. The tailored non-metallic catalyst has great potential in water purification.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Chemistry, Physical
Xueqing Ren, Peng Xu, Ke Tian, Menghan Cao, Fengyin Shi, Guangshan Zhang
Summary: CuO-Fe2O3-modified Ni foam (CFO-NF) was fabricated using a hydrothermal method for efficient peroxymonosulfate (PMS) activation. The CFO-NF/PMS system exhibited high stability and recoverability, and generated abundant active species to eliminate refractory organic pollutants through both radical and non-radical pathways.
Article
Chemistry, Physical
Shuaishuai Xin, Xiaoming Ma, Jinren Lu, Guangshan Zhang, Siyue Huo, Mengchun Gao, Peng Xu, Wenjie Liu, Wenxian Fu
Summary: In this study, Au nanoparticles and graphitic carbon nitride co-modified TiO2 nanotube arrays photoanodes were fabricated to degrade o-chloronitrobenzene target pollutant in a photoelectrocatalytic system. The fabricated Au/g-C3N4/TNAs-0.20 photoanode showed superior optical and photoelectrochemical properties and increased dechlorination efficiency, leading to enhanced degradation and removal of total organic carbon. The presence of anions and humic acid inhibited the degradation process. The photogenerated species, such as electrons, O-2(-), holes, and OH, participated in the degradation process. The degradation pathway of o-CNB was inferred through GC-MS spectra and DFT calculation. The acute toxicity and bioaccumulation factor of o-CNB were effectively reduced by the photoelectrocatalytic degradation.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Engineering, Environmental
Peng Xu, Xiang Li, Rui Wei, Chunyan Yang, Tianyao Shen, Peng Wang, Guangshan Zhang
Summary: In this study, FeCo2O4/diatomite composite material with a large specific surface area and high adaptability was prepared for efficient peroxymonosulfate activation. Under the conditions of 0.2 g L-1 PMS and 0.1 g L-1 FeCo2O4/diatomite, complete removal of ATZ can be achieved within 10 minutes. This system can adapt to a wide range of pH and complex water matrices, efficiently removing multiple contaminants, and has good stability and recyclability.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Green & Sustainable Science & Technology
Tianyao Shen, Ke Tian, Menghan Cao, Letian Li, Fengyin Shi, Jianhua Qu, Qingzhu Zheng, Guangshan Zhang
Summary: A novel composite of Cu-MnO2 loaded on the nickel foam was synthesized and combined with a microwave enhanced Fenton-like system, achieving a high removal efficiency for p-nitrophenol. The synergistic effect between Cu-MnO2/NF and the MW-Fenton-like process was significant, contributing to the enhanced degradation efficiency. The participation of Cu-MnO2/NF also greatly increased the system's energy efficiency.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Green & Sustainable Science & Technology
Jianhua Qu, Ruixin Liu, Xuewei Bi, Zhuoran Li, Kaige Li, Qi Hu, Xinru Zhang, Guangshan Zhang, Shouyi Ma, Ying Zhang
Summary: The microwave-activated persulfate system was proposed for remediation of organochlorine pesticide contaminated soil. Under suitable conditions, this system could effectively degrade atrazine and showed high tolerance to co-existing substances. Additionally, organic substance content favored the degradation of pesticides in soil.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Engineering, Environmental
Chunyan Yang, Zhihao Zhang, Peng Wang, Peng Xu, Tianyao Shen, Mengqi Wang, Qingzhu Zheng, Guangshan Zhang
Summary: A novel Bi2WO6-g-C3N4/polyvinylidene fluoride (PVDF) composite ultrafiltration (UF) membrane (BWO-CN/ PVDF) with outstanding photocatalytic performance and enhanced permeate flux was prepared. The combination of ultrathin g-C3N4 and Bi2WO6 increased carrier separation rate and prolonged its lifetime. The BWO-CN/PVDF membrane showed remarkable reusability, durability, and excellent anti-fouling performance, indicating its potential in water treatment.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Engineering, Environmental
Peng Xu, Rui Wei, Peng Wang, Xiang Li, Chunyan Yang, Tianyao Shen, Tong Zheng, Guangshan Zhang
Summary: A novel CuFe2O4/diatomite composite material was fabricated for efficient removal of typical pesticides using peroxymonosulfate (PMS) activation. The composite material showed improved reactivity and high removal efficiency towards various coexisting substances. Electrochemical measurements confirmed that the composite material enhanced the generation of reactive oxygen species, accelerating the degradation of pesticides.
Article
Chemistry, Physical
Tianyao Shen, Xiaojing Wang, Jiaqin Li, Peng Xu, Chunyan Yang, Peng Wang, Guangshan Zhang
Summary: Antibiotics in surface water have negative impacts on food safety and aquatic ecosystems, but advanced oxidation technology (AOPs) can be highly significant. This study employed a dielectric barrier discharge plasma (DBDP) process to remove nitroimidazole antibiotic metronidazole (MNZ), and synthesized a ternary Bi2Mn4O10/NiF (BMON) composite via microwave-assisted method to enhance the DBDP process. The DBDP/BMON process showed promising potential for catalytic degradation of nitroimidazole antibiotics.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Tianyao Shen, Haihe Yu, Peng Wang, Xiaojing Wang, Chunyan Yang, Peng Xu, Jianhua Qu, Guangshan Zhang
Summary: Introduces a method for synthesizing a high catalytic activity ternary layered bimetallic oxide (CoFe-LDO/CuF) by introducing carrier foam copper (CuF), relying on the coexistence of multiple reactive species of dielectric barrier discharge plasma (DBDP) for water contaminants degradation. Phenylurea herbicide diuron (DUR) was efficiently degraded (> 99 %) within 25 min through the synergistic effects between DBDP and CFOC. The routes of demethylation and deamination were identified as the dominant paths in DUR degradation.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Engineering, Environmental
Chunyan Yang, Zhihao Zhang, Peng Wang, Peng Xu, Tianyao Shen, Yanjun Xin, Guangshan Zhang
Summary: In this study, three types of flat-sheet immobilized photocatalytic membrane reactors (PMRs) based on Bi2WO6-g-C3N4/PVDF photocatalytic membrane were constructed and compared for atrazine degradation. The vertical PMRs showed remarkable photocatalytic removal rate of atrazine, reaching 78.98% within 6 hours and maintaining a stable removal rate of about 65% under continuous flow mode (18 hours). The reactor exhibited superior reusability and long-term stability, maintaining a 65% atrazine removal rate even after at least 6 cycles in continuous flow mode. It also demonstrated good anti-fouling ability and potential in the water treatment industry.
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Green & Sustainable Science & Technology
Jianhua Qu, Qingjuan Meng, Wei Peng, Jiajia Shi, Zonghao Dong, Zhuoran Li, Qi Hu, Guangshan Zhang, Lei Wang, Shouyi Ma, Ying Zhang
Summary: This review provides an overview of the preparation methods and modification techniques of biochar (BC), as well as its application in removing organic contaminants from water. It discusses the factors influencing the adsorption performance of functionalized BC and proposes suggestions for future research to improve its practical application.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Green & Sustainable Science & Technology
Jianhua Qu, Wanying Tong, Jun Zhang, Kaiyin Ye, Linsong Xiang, Ruolin Li, Di Wang, Zihe Chen, Qi Hu, Guangshan Zhang, Lei Wang, Ying Zhang
Summary: In this study, a non-metallic catalyst was synthesized using agricultural waste to effectively remove hazardous organic contaminants via non-radical-dominated processes. The catalyst achieved 100% removal of phenol within 10 minutes over a wide pH range, demonstrating excellent applicability.
JOURNAL OF CLEANER PRODUCTION
(2023)
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)