Article
Energy & Fuels
Zhenchi Chen, Bentian Tang, Yuzhong Niu, Hou Chen, Yongfeng Liu, Aili Wang, Liangjiu Bai
Summary: Silica supported thiosemicarbazide was synthesized and characterized for the adsorption of Cu(II) and Zn(II) from ethanol and aqueous solutions. The adsorption capacity for Cu(II) and Zn(II) in ethanol solution is superior. The adsorption process is controlled by film diffusion and follows a pseudo-second-order model, with increased uptake by higher metal ion concentration and temperature.
Article
Engineering, Environmental
Hai-Long Qian, Meng-Si Zhu, Mei-Lan Du, Xu-Qin Ran, Xiu-Ping Yan
Summary: The study demonstrates the rational design and preparation of thiourea-linked COFs for ultrafast and selective adsorption of Hg(II), offering large adsorption capacity and ultrafast kinetics. The proposed strategy of utilizing inherent linkage as functional moiety significantly enhances the performance of COFs for various applications.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Engineering, Environmental
Liping Lang, Bingxiang Wang, Tonghe Liu, Jiaxuan Wang, Lili Zhu, Yongfeng Liu, Yuzhong Niu
Summary: This study synthesized Schiff base modified polyamidoamine dendrimer/silica adsorbents for the removal of Hg(II) from water. The adsorbents showed good selectivity and removal efficiency for Hg(II) under suitable conditions. They also exhibited excellent reusability and practical value in removing Hg(II) from simulated industrial wastewater.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Biochemistry & Molecular Biology
Xin Yan, Huacai Ge
Summary: In this study, a novel modified chitosan composite adsorbent (UNCS) was prepared by crosslinking chitosan and metal organic frameworks (MOFs) material UiO-66-NH2 with epichlorohydrin. The adsorbent exhibited high uptake for Hg(II) and could achieve over 90% removal. The adsorption process followed pseudo-second-order kinetics and fit the Langmuir isotherm model, indicating its potential for Hg(II) removal from wastewater. The UNCS adsorbent also showed good reusability in adsorption-desorption cycled experiments.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Engineering, Environmental
Haifeng He, Xiangying Meng, Qinyan Yue, Weiyan Yin, Yue Gao, Pai Fang, Liang Shen
Summary: In this study, a novel magnetic mesoporous silica/chitosan (MMS/CS) composite was synthesized using the thiol-ene click reaction strategy for selective capture and reuse of toxic Hg(II) from aqueous media. The obtained materials exhibited high Hg(II) uptake capacity and rate, and could be utilized as efficient catalysts for organic transformations. This work provides a new and facile method for preparing chitosan-based functional materials with promising application potentials in environmental and catalytic fields.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Environmental Sciences
Xiaolan Hu, Changhong Chen, Dawei Zhang, Yingwen Xue
Summary: The study found that the two-dimensional MXene showed good adsorption performance for heavy metal mercury ions in wastewater treatment, especially under low pH conditions. It also maintained a high adsorption capacity at high temperatures and different pH values.
Article
Chemistry, Physical
Liping Luan, Bentian Tang, Songmei Ma, Lixiang Sun, Wenlong Xu, Aili Wang, Yuzhong Niu
Summary: Schiff base modified PAMAM dendrimer/silica hybrid materials were synthesized and used for removing aqueous Zn(II) and Ni(II). The study investigated the influence of various factors on the removal effect and revealed the interaction mechanism between adsorbents and metal ions through DFT calculation and XPS analysis. The results showed comparable adsorption properties for Zn(II) and Ni(II) and identified the key role of imino N atoms and carbonyl O atoms in the adsorption process.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Multidisciplinary Sciences
Azam Marjani, Reza Khan Mohammadi
Summary: In this study, tetrasulfide-functionalized fibrous silica material was synthesized for the first time to adsorb toxic heavy metal Hg(II) from aqueous solution. The experiment results showed promising adsorption performance of the material towards Hg(II) in batch system, providing a potential nano-porous material option for remediation of heavy metal pollution.
SCIENTIFIC REPORTS
(2021)
Article
Materials Science, Multidisciplinary
Q. A. Alsulami, M. A. Hussein, S. Z. Alsheheri, E. A. Elshehy, W. A. El-Said
Summary: This study focuses on the industrial application of silica/thiourea-formaldehyde composite monoliths for recovering silver and mercury ions from contaminated samples. The fabricated composite shows unique surface properties and high adsorption capacities for the target ions. The findings demonstrate the potential of the designed composite for efficient and reproducible adsorption of silver and mercury ions in environmental and waste disposal samples.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Review
Materials Science, Ceramics
Leandro Trupp, Maria Claudia Marchi, Beatriz C. Barja
Summary: Research on lanthanide-based luminescent hybrid silica materials has grown significantly in recent decades, with the sol-gel technique being one of the most powerful methods for achieving this goal. This review focuses on the commonly used strategies for inserting luminescent lanthanide(III) complexes into a silica host and their potential applications.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2022)
Article
Chemistry, Physical
Yingjie Li, Songping Li, Xinyi Xu, Hong Meng, Yingzhou Lu, Chunxi Li
Summary: In this study, oxygenated alkynyl carbon materials (OACMs) were synthesized via mechanochemical reaction and exhibited excellent adsorption performance for heavy metal ions, especially Hg(II). The OACMs showed high adsorbance for other heavy metal ions as well, such as Pb(II), Zn(II), and Cu(II). This work expands the synthesis approach for functional carbon materials and provides a feasible method for CO2 resource utilization.
GREEN ENERGY & ENVIRONMENT
(2023)
Article
Engineering, Environmental
Yu Sun, Chengyue Yang, Yong Fu, Tuanyu Guo, Guiyang Yan, Jianshe Hu
Summary: This study aims to design an efficient and inexpensive adsorbent to capture Hg(II) ions. A polysulfide complex material was prepared through sulfur, oleylamine, and potato starch. The adsorbent showed high adsorption capacity and removal, as well as selectivity for Hg(II) ions and recyclability.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Materials Science, Multidisciplinary
Z. A. A. Halim, M. A. Mat Yajid, N. Ahmad
Summary: The thermal degradation of mesoporous hydrated silica (MHS), mesoporous silica (MS), and alumina trihydrate (ATH) hybrid systems for flame retardant materials was investigated. The results show that MHS-ATH has higher thermal stability and a wider range of water release temperature, improving the flame retardancy effect compared to ATH.
Article
Chemistry, Inorganic & Nuclear
Mei He, Rui-Dong Wang, Tiantian Wu, Shuyu Wang, Wen-Qian Zhang, Lin Du, Qi-Hua Zhao
Summary: Under hydrothermal conditions, two similar two-dimensional coordination polymers CP-1 and CP-2 were constructed using D-(+)-camphor and metal centers Cd(II) and Zn(II) as one-dimensional chains linked by the flexible bpb ligand to form a two-dimensional layer structure. CP-1 and CP-2 exhibited good stability, as well as high adsorption capacities for Hg(II) ions in water. They can still maintain high adsorption capacity even in complex environments with other ions present.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Yong Fu, Chengyue Yang, Yutong Zheng, Jinwen Jiang, Yu Sun, Feng Chen, Jianshe Hu
Summary: The study utilized sulfur to prepare a polysulfide complex material for capturing Hg(II) and converting the Hg(II)-containing spent adsorbent into a catalyst. Characterization results demonstrated that the composite material exhibited good adsorption and regeneration performance, as well as excellent selectivity and catalytic activity.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Engineering, Environmental
Weiyi Chen, Bin Han, Yili Xie, Shujie Liang, Hong Deng, Zhang Lin
CHEMICAL ENGINEERING JOURNAL
(2020)
Article
Chemistry, Physical
Bin Han, Jianing Song, Shujie Liang, Weiyi Chen, Hong Deng, Xinwen Ou, Yi-Jun Xu, Zhang Lin
APPLIED CATALYSIS B-ENVIRONMENTAL
(2020)
Article
Chemistry, Physical
Weiyi Chen, Xueming Liu, Bin Han, Shujie Liang, Hong Deng, Zhang Lin
Summary: By synthesizing oxygen vacancy-laden NiO nanoplatelets and utilizing a Ru-based photosensitizer, efficient reduction of diluted CO(2) under visible light irradiation was achieved, demonstrating higher activity and selectivity compared to normal NiO. This research offers valuable insights for the future photocatalytic reduction of diluted CO(2).
Article
Chemistry, Multidisciplinary
Bin Han, Xinwen Ou, Zuqi Zhong, Shujie Liang, Hong Deng, Zhang Lin
Article
Chemistry, Physical
Shujie Liang, Xueming Liu, Zuqi Zhong, Bin Han, Xiaohui Zhong, Weiyi Chen, Kainan Song, Hong Deng, Zhang Lin
Summary: The ultrathin Ni-2(OH)(PO4) nanotubes prepared through hydrothermal route show high photocatalytic activity for reducing CO2 under real sunlight, with a high production rate and selectivity. These Ni-2(OH)(PO4) NTs as catalysts have a promoting effect on the photoreduction of CO2 and demonstrate superior performance compared to other catalysts in laboratory conditions.
Article
Chemistry, Physical
Bin Han, Xinwen Ou, Zuqi Zhong, Shujie Liang, Xu Yan, Hong Deng, Zhang Lin
Summary: Utilizing the specific binding characteristic of metal ions with small molecules, solid wastes can be converted into metal-organic frameworks for efficient CO2-to-syngas photoconversion, showcasing the potential application of modular catalyst design. By adjusting the ratio of Fe/Ni MOFs, syngas with a tunable CO/H-2 ratio can be produced, demonstrating the diverse catalytic performance of Fe/Ni MOFs.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Engineering, Environmental
Shujie Liang, Xiaohui Zhong, Zuqi Zhong, Bin Han, Weiyi Chen, Kainan Song, Hong Deng, Zhang Lin
Summary: The research presented a biomimetic artificial photosynthesis system based on ZrO2 nanoframes and metalloporphyrin to mimic the morphology of trees. The system achieved high photocatalytic performance, displaying high selectivity for CO production and significant apparent quantum efficiency.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Kainan Song, Shujie Liang, Xiaohui Zhong, Mengye Wang, Xiaofeng Mo, Xueqian Lei, Zhang Lin
Summary: This study successfully prepared two Ni-MOF catalysts with different crystal forms and found that Ni-MOF(H2O) exhibited superior catalytic performance in the photo-reduction of CO2. The higher yield and longer lifetime of the product CO can be attributed to its stronger adsorption capacity for CO2 and more efficient transfer and separation of photo-generated charge carriers.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Multidisciplinary
Xiaohui Zhong, Zuqi Zhong, Shujie Liang, Gongchang Zeng, Shuang Cheng, Hong Deng, Zhang Lin
Summary: In this study, ultrasmall Sn nanoparticles inlaid on N/P-doped carbon (Sn@NPC) composites were developed for the electrochemical CO2 reduction reaction (CO2RR) to HCOOH, demonstrating higher Faradaic efficiency and stability compared to most Sn-based catalysts. Density functional theory calculations showed that Sn@NPC enhanced CO2 adsorption, leading to stronger *OCHO adsorption, weaker *HCOOH adsorption, and faster electron/mass transport, providing a promising lead for recycling metal from electroplating sludge and for the design of efficient and stable catalysts for the CO2RR.
ENVIRONMENTAL SCIENCE-NANO
(2022)
Article
Chemistry, Physical
Jianhua Ge, Bin Han, Shujie Liang, Zhongfei Liu, Yuhua Xiao, Juner Kuang, Minghui Guan, Xueming Liu
Summary: This study demonstrates a three-dimensional nickel borate/graphene nanoarrays for diluted CO2 photoreduction with boosted activity and selectivity. By growing the nanoarrays onto graphene nanosheets, the optimized structure exhibits high CO selectivity and production rate, attributed to the synergistic effect of rGO introduction and unique 3D structure.
SURFACES AND INTERFACES
(2021)
Article
Chemistry, Physical
Rui Zhong, Zhongxuan Xu, Shujie Liang, Jiguang Li, Hong Deng
Summary: In this study, Cr(VI) was fully extracted from hazardous gypsum sludge using hydrothermal treatment with high pressure CO2, leading to the recovery of high Cr(VI)-concentration solutions. The crystal growth process was found to be essential for releasing and separating Cr(VI), and could be accelerated by adjusting pH or the solid-liquid ratio. Additionally, changes in the form of Cr(VI) species and product size were observed under the acidic and high-pressure environment generated by passing CO2.
SURFACES AND INTERFACES
(2022)
Review
Chemistry, Physical
Shujie Liang, Hong Deng, Zhi Zhou, Wai-Yeung Wong
Summary: This article summarizes important synthesis strategies of Graphdiyne (GDY) and GDY-based materials, elaborates on modifications to regulate the structure and properties of GDY, and highlights recent achievements in energy and environmental applications in photocatalysis. Furthermore, the challenges and potential developments of GDY in catalytic research are discussed.
Article
Chemistry, Multidisciplinary
Gongchang Zeng, Hanyun Zhang, Shujie Liang, Xiaohui Zhong, Mengyuan Zhang, Zuqi Zhong, Hong Deng, Heping Zeng, Zhang Lin
Summary: In this study, a graphene hybrid material derived from mangosteen peel waste was constructed, with the addition of a magnetic interfacial junction to enhance carrier transfer efficiency with the assistance of a magnetic field. The designed 3D graphene/Cd0.5Zn0.5S hybrids exhibited outstanding photocatalytic performance, with ciprofloxacin degradation efficiency reaching 95% removal in 15 minutes, a 67% reduction in photocatalytic degradation time compared to previous research without an applied external magnetic field. This magnetic field strategy provides a new perspective for water treatment and various catalytic fields, with low energy consumption.
ENVIRONMENTAL SCIENCE-NANO
(2022)
Article
Chemistry, Multidisciplinary
Shujie Liang, Bin Han, Xinwen Ou, Xucun Ye, Weiyi Chen, Hong Deng, Chen Tian, Zhang Lin
Summary: This study successfully constructed lattice-strained nickel hydroxide nanosheets for the photoreduction of diluted CO2, showing higher CO production yield and selectivity. The findings provide a foundation for further research in the field of photocatalysis and other applications.
ENVIRONMENTAL SCIENCE-NANO
(2021)
Article
Chemistry, Multidisciplinary
Kainan Song, Xiaoqing Qiu, Bin Han, Shujie Liang, Zhang Lin
Summary: This study demonstrates a green synthesis method of Ni-MOF nanocrystals using electroplating sludge and PET waste as precursors, showing excellent photocatalytic performance for the photoreduction of CO2. The Ni-MOF nanocatalysts exhibited high activity and selectivity, with an apparent quantum yield superior to most catalysts in similar systems.
ENVIRONMENTAL SCIENCE-NANO
(2021)