Article
Engineering, Chemical
Hongwei Pang, Lijie Liu, Ziang Bai, Ruixing Chen, Hao Tang, Yawen Cai, Shujun Yu, Baowei Hu, Xiangke Wang
Summary: The research investigates the surface sulfidation impact on the modification of NZVI materials and the mechanism and efficiency of organic matter degradation by Sulfide NZVI. The results show that sulfidation treatment significantly enhances the stability and functionality of the material, resulting in higher degradation efficiency and pollutant removal capacity, which is beneficial for environmental governance.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Engineering, Environmental
Limin Duan, Huihao Jiang, Wenhao Wu, Daohui Lin, Kun Yang
Summary: Introducing crystal defects into iron-based metal-organic frameworks (Fe-MOFs) is a promising strategy to enhance Fenton-like performance. However, developing a facile and effective strategy to construct defective Fe-MOFs as highly efficient Fenton-like catalysts is still challenging. In this study, MIL-100(Fe) (Def-MIL-100 (Fe)) with missing ligand defects was synthesized by a simple heterogeneous reaction, and it exhibited significantly higher Fenton-like activity compared to the perfect MIL-100(Fe). The missing ligand defects played a key role in promoting fast H2O2 adsorption, accelerating electron transfer, and improving OH generation and utilization efficiency.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Physical
Shenghui Xie, Jiaxin Su, Jianxin Zhao, Haipeng Yang, Haixia Qian
Summary: This study investigates the improved catalytic activity of Fe3O4-decorated glassy zero-valent iron (GZVI) through a low-cost ball milling technique. The addition of 10% Fe3O4 to GZVI resulted in the best surface morphology and highest catalytic efficiency. The Fe3O4/GZVI catalyst exhibited excellent stability and reusability, achieving a 97.37% degradation of p-nitrophenol within 15 minutes. The formation of a galvanic cell between Fe3O4 and GZVI played a crucial role in promoting electron transfer and hydroxyl radical generation, thereby enhancing the pollutant degradation process.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Xiaojing Sun, Xiaoxi Ni, Xilin Wang, Dongyan Xu
Summary: A composite catalyst based on zero-valent iron was successfully synthesized using red mud and scrap tires. The catalyst showed high efficiency in degrading methylene blue. The study also identified the contributions of different reactive oxygen species to the degradation process.
SURFACES AND INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Wei Xiang, Mingjie Huang, Xiaohui Wu, Fugang Zhang, Dan Li, Tao Zhou
Summary: This study demonstrates the amplification effect of magnetic field on the hydroxylamine-promoted zero valent iron/H2O2 Fenton-like system, providing a green and energy-efficient method to improve the effectiveness of ZVI-based Fenton-like technologies at weak-acidic circumstances.
CHINESE CHEMICAL LETTERS
(2022)
Article
Engineering, Environmental
Kai He, Shuchen Wang, Yu Liu, Dong Cheng, Feng He
Summary: This study investigated the oxidation and adsorption capacity of zero valent iron (ZVI) and the effects of sulfidation on these processes. The results showed that sulfidation reduced the oxidation capacity of ZVI, while sulfidated ZVI exhibited enhanced heavy metal immobilization. This is valuable for assessing the oxidation capacity of sulfidated ZVI and heavy metal immobilization in wastewater treatment.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Engineering, Environmental
Jincan Huang, Xudong Miao, Lu Zhang, Xuemin Yu, Weijing Liu, Chunkai Huang
Summary: This study investigates the use of a weak magnetic field to enhance the catalytic degradation of copper-ethylene diamine tetraacetic acid complex and recovery of copper using zero-valent iron/peroxomonsulfate. The results show that the WMF/ZVI/PS system produces more active radicals, leading to higher degradation and recovery rates compared to other systems. The study also examines the influence of ZVI and PS dosages and initial solution pH on the efficiency of the process.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Environmental Sciences
Siwan Liu, Wenwei Yu, Huang Cai, Faying Lai, Hansun Fang, Huajun Huang, Jinbao He
Summary: In this study, a comparison of different iron minerals and zero-valent metals as catalysts for the Fenton-like process for the removal of imidacloprid was conducted. Zero-valent iron (ZVI) showed the highest activity among the recyclable solid catalysts, while pyrite exhibited stability and sustainable ability, making it a promising catalyst for Fenton-like reactions. The system predominantly proceeded through a homogeneous route via dissolved Fe or Cu ions, with low possibility of causing secondary pollution of toxic metals for most tested catalysts.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Hao Cheng, Chao Huang, Ping Wang, Dingxun Ling, Xiaoyu Zheng, Haiyin Xu, Chongling Feng, Hao Liu, Min Cheng, Zhiming Liu
Summary: In this study, molybdenum sulfide (MoS2) was used as a co-catalyst to enhance the performance of the nanoscale zero-valent iron (nZVI) based Fenton-like process for Rhodamine B (RhB) degradation. The addition of MoS2 significantly accelerated H2O2 decomposition and increased the RhB degradation rate constant compared to the conventional Fenton process. Furthermore, the effective pH range was expanded to 9.0 with a high removal rate of RhB. The MoS2/nZVI system exhibited stability and reusability. The involvement of various reactive species, such as hydroxyl radicals, superoxide anions, and singlet oxygen, was confirmed through quenching tests and electron paramagnetic resonance. The toxicity of degradation products decreased after treatment, indicating the potential of this MoS2 co-catalytic nZVI-based Fenton-like process for organic wastewater treatment.
ENVIRONMENTAL RESEARCH
(2023)
Article
Engineering, Environmental
Jia-Qi Chen, Guan-Nan Zhou, Rong-Rong Ding, Qi Li, Han-Qing Zhao, Yang Mu
Summary: In this study, the performance and mechanism of the S-nZVI/Fe2+ system for oxygen activation to remove emerging contaminants (ECs) were comprehensively explored. The S-nZVI/Fe2+ system showed significantly higher kinetic rate constant for the oxidative degradation of ECs compared to other systems, and demonstrated high efficiency in EC mineralization and detoxification. The addition of Fe2+ promoted the corrosion of S-nZVI, leading to improved O2 activation and consecutive single-electron O2 activation for & BULL;OH production. The pH-insensitive Fenton-like degradation process by S-nZVI/Fe2+ indicated its robust performance over a wide pH range. This study provides valuable insights for the practical implementation of nZVI-based technology in achieving high-efficiency removal of ECs from water.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Analytical
Ziguo Liu, Wei Zhou, Xianli Liu, Xuefen Yang, Wei Yang, Han Zheng
Summary: In this study, the combination of zero-valent iron Fenton reagent (ZVI Fenton-like) system and chemical precipitation method was used for the treatment of desulfurization wastewater from coal-fired power plants by evaluating the organic matter through chemical oxygen demand (COD). The study investigated the effects of reaction time, H2O2 dosage, zero-valent iron dosage, pH, and reaction temperature. The results showed that the optimal operating conditions were achieved when the ZVI Fenton-like reagent system ran for 1 hour, with H2O2 dosage of 33.3 mg/L, iron dosage of 0.075 g/L, pH ranging from 4.5 to 6.5, and reaction temperature of 35°C. The study provides a new approach for the treatment of desulfurization wastewater from coal-fired power plants.
Article
Green & Sustainable Science & Technology
Luca Martone, Marco Minella, Claudio Minero, Fabrizio Sordello, Davide Vione
Summary: ZVI-electro-Fenton achieves complete degradation of contaminants, such as ibuprofen, by gradually and in-situ electrochemically generating H(2)O(2), addressing issues related to H2O2 storage and handling, and enabling degradation at pH values more compatible with water treatment.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Environmental Sciences
Wen Liang, Nianqing Zhou, Chaomeng Dai, Yanping Duan, Yaojen Tu
Summary: The study showed that nZVI has certain efficiency in degrading DCF, and when combined with H2O2, it can significantly remove DCF through a Fenton-like system, promoting the reductive dechlorination process.
POLISH JOURNAL OF ENVIRONMENTAL STUDIES
(2021)
Article
Environmental Sciences
Xingchen Yang, Guoce Yu, Lejin Xu, Jianlong Wang
Summary: This study investigates the degradation of spent radioactive organic solvents using synthesized nanoscale zero-valent iron as a heterogeneous Fenton-like catalyst. The performance of the catalyst and the degradation mechanism were studied, and the possible intermediates were analyzed.
Article
Chemistry, Physical
Hongzhou Lv, Hongyun Niu, Xiaoli Zhao, Yaqi Cai, Fengchang Wu
Summary: Fe@C composites derived from different starting materials exhibit varying catalytic activity and stability in wastewater treatment. Fe@C derived from Fe-ATA shows good activity and reusability in Fenton-like reaction.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Environmental Sciences
Mingjie Huang, Yingxin Zhang, Wei Xiang, Tao Zhou, Xiaohui Wu, Juan Mao
JOURNAL OF ENVIRONMENTAL SCIENCES
(2019)
Article
Chemistry, Multidisciplinary
Yongjie Li, Wei Xiang, Tao Zhou, Mingjie Huang, Chen Wang, Xiaohui Wu, Juan Mao, Penghua Wang
CHINESE CHEMICAL LETTERS
(2020)
Article
Environmental Sciences
Juan Mao, Shuo Lin, Xie Juan Lu, Xiao Hui Wu, Tao Zhou, Yeoung-Sang Yun
ENVIRONMENTAL RESEARCH
(2020)
Article
Chemistry, Multidisciplinary
Mingjie Huang, Wei Xiang, Chen Wang, Tao Zhou, Juan Mao, Xiaohui Wu, Fugang Zhang, Dan Li, Xiejuan Lu
CHINESE CHEMICAL LETTERS
(2020)
Article
Chemistry, Multidisciplinary
Wei Xiang, Mingjie Huang, Yifan Wang, Xiaohui Wu, Fugang Zhang, Dan Li, Tao Zhou
CHINESE CHEMICAL LETTERS
(2020)
Article
Engineering, Environmental
Chen Wang, Yubei Liu, Mingjie Huang, Wei Xiang, Tao Zhou, Xiaohui Wu, Juan Mao
JOURNAL OF HAZARDOUS MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Wei Xiang, Mingjie Huang, Xiaohui Wu, Fugang Zhang, Dan Li, Tao Zhou
Summary: This study demonstrates the amplification effect of magnetic field on the hydroxylamine-promoted zero valent iron/H2O2 Fenton-like system, providing a green and energy-efficient method to improve the effectiveness of ZVI-based Fenton-like technologies at weak-acidic circumstances.
CHINESE CHEMICAL LETTERS
(2022)
Article
Engineering, Environmental
Mingjie Huang, Sisi Peng, Wei Xiang, Chen Wang, Xiaohui Wu, Juan Mao, Tao Zhou
Summary: The study reveals how the strong metal-support interaction between carbon nanotubes and Mn0.65Fe2.35O4 boosts peroxymonosulfate activation for rapid degradation of sulfamethoxazole. The synergy induced surface hydroxyl groups and highly hydrophobic CNTs facilitate rapid in situ interfacial degradation of SMX. Furthermore, the SMSI enables accelerated redox cycle rate of Mn species by electron-rich CNTs, resulting in efficient PMS activation.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Engineering, Environmental
Mingjie Huang, Yi Han, Wei Xiang, Delai Zhong, Chen Wang, Tao Zhou, Xiaohui Wu, Juan Mao
Summary: This study demonstrates the mediate role of organic substrate in interfacial PDS activation on MxOy catalyzed by CuO. Moreover, a general rule for phenoxyl radical formation was concluded in cases of organic substrates with a Hammett constant sigma(+) lower than -0.02 and metal ion of a 3d subshell between half-filled and fully filled.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Engineering, Chemical
Wei Xiang, Hao Chen, Zhenxing Zhong, Chunjie Zhang, Xiejuan Lu, Mingjie Huang, Tao Zhou, Peng Yu, Beiping Zhang
Summary: A novel ultrasound enhanced FeS/persulfate Fenton-like system was developed for the degradation of carbamazepine. Factors such as FeS and PDS dosage, temperature, and pH were found to affect the oxidation of CBZ. The presence of certain anions inhibited the degradation process, while the reaction mechanism was proposed based on a sulfur-iron cycle.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Engineering, Environmental
Chen Wang, Mingjie Huang, Wei Lou, Wei Xiang, Tao Zhou, Juan Mao, Feixiang Zan, Xiaohui Wu
Summary: This study firstly demonstrates that synthesized magnetic electron-rich copper-iron oxides composites can efficiently immobilize Cr(VI) pollutants through reductive processes. The immobilization of Cr(III) is correlated with the simultaneous dissolution of Cu, and the complexation of citric acid with the copper-iron oxide composites promotes electron transfer and enhances the electron efficiency. Moreover, citric acid tends to chelate Cu(II) on the surface of the copper oxide component, releasing Cu2+-citric acid complexes and refreshing the reduction sites, thus favoring the immobilization of Cr(III) on the iron oxide component.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Meteorology & Atmospheric Sciences
Chang He, Zhen-Yu Yin, Alessandro Stocchino, Onyx Wing Hong Wai, Siqi Li
Summary: This study analyzed the coastal hydrodynamics of the Pearl River Estuary and Hong Kong waters in detail and found that the local dynamics were strongly affected by macro-vortices. The classification, spatial distribution, seasonality, and probability density functions of the vortices were discussed, indicating that tidal currents played a dominant role in these areas.
Article
Engineering, Chemical
Yi Han, Mingjie Huang, Wei Xiang, Chen Wang, Yongjie Li, Xiaohui Wu, Juan Mao, Tao Zhou, Hong Li, Deming Wu
Summary: This study reveals a mechanism of Fe-based metal-organic frameworks in the rapid degradation of recalcitrant organic substances using oxidants such as H2O2. The process occurs in two stages, activation stage and rapid degradation stage. In the activation stage, H2O2 is slowly activated, forming superoxide radicals. In the rapid degradation stage, the reductive dissolution of iron ions leads to a subsequent Fenton reaction, resulting in the rapid oxidation of organic compounds.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Nanoscience & Nanotechnology
Mingjie Huang, Yi Han, Wei Xiang, Chen Wang, Juan Mao, Tao Zhou, Xiaohui Wu, Han-Qing Yu
Summary: This study develops an ultrafast dehalogenation system that is dominated by O2 center dot- through molecular O2 activation by oxygen vacancy-rich CuO nanoparticles. The system shows high efficiency in degrading halogenated organic compounds, and the selectivity of O2 center dot- generation is enhanced through oxygen vacancy enrichment and the presence of carbonate species. This work provides a new opportunity for selective O2 center dot- generation for dehalogenation and other environmental applications through interfacial defect engineering.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Engineering, Environmental
Wei Xiang, Xiaoli Zou, Mingjie Huang, Xiaohui Wu, Tao Zhou
Summary: This study investigates the interference of dissolved organic matters (DOMs) in advanced oxidation processes (AOPs) treatment of pharmaceuticals in reverse osmosis concentrates (ROC). The results show that fulvic acid (FA) and humic acid (HA) have medium to strong inhibition effects. By increasing the dosages of the agents, all the DOMs can be efficiently decomposed into smaller molecules.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
