Article
Engineering, Chemical
Xinling Xie, Xiaona Zhao, Xuan Luo, Tongming Su, Youquan Zhang, Zuzeng Qin, Hongbing Ji
Summary: The study successfully synthesized magnetic starch microspheres for the removal of Cd(II) ions from aqueous solution, showing promising adsorption performance. Characterization tests revealed the structure and properties of the adsorbent, demonstrating high adsorption capacity and magnetism during the adsorption process.
CHINESE JOURNAL OF CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Xinling Xie, Xiaona Zhao, Xuan Luo, Youquan Zhang, Zuzeng Qin, Hongbing Ji
Summary: The synthesis of cassava starch magnetic porous microspheres (AAM-MSMPMs) was accomplished through graft copolymerization in inverse emulsion. The resulting AAM-MSMPM adsorbent exhibited superparamagnetic behavior and demonstrated a high capacity for the adsorption of Cd(II) ions in aqueous solution. The addition of a porogen resulted in a decrease in particle size, an increase in specific surface area, and an enhancement in adsorption capacity. The adsorption process on the AAM-MSMPM followed Langmuir isothermal and pseudo-second-order kinetic models, with chemisorption as the rate-controlling step. The AAM-MSMPM also displayed excellent stability after multiple reuses.
Article
Polymer Science
Xinling Xie, Lianzheng Zhang, Xuan Luo, Tongming Su, Youquan Zhang, Zuzeng Qin, Hongbing Ji
Summary: In this study, Polyethyleneimine modified magnetic porous cassava residue microspheres were successfully prepared and used for the removal of cadmium ions from simulated wastewater. The adsorbent showed high adsorption capacity and superparamagnetism, making it a promising material for environmental remediation applications.
EUROPEAN POLYMER JOURNAL
(2021)
Article
Green & Sustainable Science & Technology
Dimpee Sarmah, Niranjan Karak
Summary: This study demonstrates a new synthetic strategy to improve the mechanical properties of starch grafted poly(acrylic acid) hydrogel by introducing a double cross-linked network. The cross-linked hydrogel exhibits excellent mechanical strength and notable adsorption capacity for heavy metal ions, making it promising for wastewater purification and reusability.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Chemistry, Physical
Chengyue Yang, Jinwen Jiang, Ying Wu, Yong Fu, Yu Sun, Feng Chen, Guiyang Yan, Jianshe Hu
Summary: This study developed a cheap and effective magnetic composite adsorbent with highly selective adsorption of mercury(II) ions, which could be described by the pseudo-second-order kinetic model and Langmuir model, demonstrating good reusability and selectivity.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Physical
Helin Xu, Xueqin Li, Yanyan Hao, Xiaoqing Xu, Yan Zhang, Jinli Zhang
Summary: Acteoside (ACT) is a bioactive component with potential applications in various fields. The study proposed a novel strategy to synthesize polymer microspheres modified with polyethyleneimine (PEI) for efficient adsorption of ACT, showing increased adsorption capacity and selectivity through PEI introduction.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Multidisciplinary
S. Yu, M. Feng, H. Liu, S. Liu, J. Fu
Summary: A novel PZS-PEI adsorbent was developed for efficient uptake of anionic dyes from aqueous solution, showing good adsorption selectivity and high maximum adsorption capacities. The adsorption process followed a three-stage intraparticle diffusion mode with electrostatic interaction and hydrogen bonding responsible for the highly-efficient adsorption.
MATERIALS TODAY CHEMISTRY
(2021)
Article
Chemistry, Applied
T. M. Hoogstad, L. Kiewidt, T. van Haasterecht, J. H. Bitter
Summary: This study investigated the influence of molecular weight, polydispersity, and degree of branching of four potato starches on the adsorption rates on activated carbon. Changes in starch concentration and size distribution over time were analyzed. The results showed that average molecular weight and degree of branching of a starch negatively affected the adsorption rate. Within a size-distribution, adsorption rates decreased with increasing molecule size, leading to changes in solution properties.
CARBOHYDRATE POLYMERS
(2023)
Article
Engineering, Chemical
Yan-Shu Xiong, Ming-Xing Li, Ran Jia, Li-Shu Zhou, Bo-Huan Fan, Jia-Yi Tang, Lili Gai, Wen Li, Hai-Qin Lu, Kai Li
Summary: A self-floating microsphere (EHGM/PDA/PEI) functionalized with polyethyleneimine and polydopamine was developed as a sorbent for decolorizing sugarcane juice. The EHGM/PDA/PEI microsphere exhibited a three-dimensional network-like aperture structure and nontoxicity. It also showed excellent self-floating performance, allowing for easy separation from the adsorption system. The adsorption capacity of EHGM/PDA/PEI for synthetic caramels was 18.36 mg/g with a removal efficiency of 91.80%, and the interaction mechanisms were attributed to protonated amine groups and electrovalent bonds.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Energy & Fuels
Johanna Fischer, Katrin Thummler, Steffen Fischer, Ignacio Guillermo Gonzalez Martinez, Steffen Oswald, Daria Mikhailova
Summary: The research focused on preparing hard carbons with specified surface properties and tailored pore structures using pyrolysis and activation methods, resulting in high specific surface area and specific capacitance. The study demonstrated that carbon-based electrode materials show promising performance in terms of energy density and power density in aqueous and neutral electrolytes, making them suitable for supercapacitors.
Article
Environmental Sciences
Mengnan Huang, Lisha Xie, Yuejiao Wang, Xiaogeng Feng, Jing Gao, Zhenning Lou, Ying Xiong
Summary: Uranium extraction from radioactive nuclear waste is crucial for sustainable energy supply and ecological security. The synthesized 0.4-PEI/ECH-CTS composite microspheres show high uranium adsorption capacity of 380.65 mg g-1 within 4 hours due to their high nitrogen content. The microspheres exhibit excellent performance in removing U(VI) from simulated nuclear wastewater with 100% efficiency and reducing the concentration of CU(VI) to well below the limit set by the US Environmental Protection Agency for drinking water. The 0.4-PEI/ECH-CTS microspheres maintain above 95% adsorption efficiency after multiple cycles, making them highly suitable for practical industrial applications.
ENVIRONMENTAL POLLUTION
(2023)
Article
Chemistry, Applied
QiJie Chen, YaLan Zhao, QiongHua Xie, ChunYan Liang, ZhangYang Zong
Summary: In this study, a novel biosorbent SNCs-PEI was successfully prepared and exhibited good adsorption performance for the anionic dye methyl blue. The adsorption process of MB by SNCs-PEI was found to be a spontaneous and endothermic process.
CARBOHYDRATE POLYMERS
(2021)
Article
Materials Science, Paper & Wood
Tianliang Gao, Chuanshan Zhao, Sha Wang, Xia Li, Qijun Ding
Summary: Activated carbon paper-based materials were prepared using softwood pulp, activated carbon powder, and polyester fiber, and polyethyleneimine was loaded onto the materials to fabricate degradable PEI/activated carbon composite paper-based adsorbent materials. The maximum adsorption capacity of Cr(VI) was found to be 1.58 mg g(-1) under specific conditions. The adsorption mechanism involved electrostatic attraction, redox, and chelation.
Article
Materials Science, Multidisciplinary
N. V. Pechishcheva, S. Kh. Estemirova, A. V. Kim, P. V. Zaitceva, E. V. Sterkhov, Yu. V. Shchapova, I. S. Zhidkov, M. Yu. Skrylnik
Summary: Mechanical activation of graphite in a high-energy planetary mill resulted in changes in its structure and properties, enabling it to adsorb Cr(VI) ions. The sorbent showed high efficiency in removing Cr(VI) from aqueous solutions, and it also demonstrated good performance in treating wastewater from the bichromate production industry.
DIAMOND AND RELATED MATERIALS
(2022)
Article
Engineering, Environmental
Ahmed F. Abdel-Magied, Radwa M. Ashour, Le Fu, Moataz Dowaidar, Wei Xia, Kerstin Forsberg, Hani Nasser Abdelhamid
Summary: The study synthesized two magnetic metal-organic frameworks and investigated their adsorption capacities for Cd(II) and Pb(II). The adsorption efficiency is strongly dependent on the pH of the solution, and the process follows a pseudo-second-order model and fits the Langmuir isotherm model.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Biochemical Research Methods
Xuan Luo, Di Zhang, Qiulian Luo, Kejian Huang, Xiaofeng Liu, Ning Yang, Zuzeng Qin, Chunli Feng, Junbo Li
Summary: In this study, 1-[(2 ''-fluorophenyl)(methylimino)methyl]cyclopentan-1-ol (2-fluorodeschlorohydroxylimine) was identified as a potential chemical precursor of 2-fluorodeschloroketamine (2-FDCK). The fragmentation pathway of 2-fluorodeschlorohydroxylimine was theorized and the mechanisms and decomposition pathways were elucidated. Methods for the qualitative analysis of 2-fluorodeschlorohydroxylimine were established.
DRUG TESTING AND ANALYSIS
(2022)
Article
Chemistry, Multidisciplinary
Tongming Su, Chengzheng Men, Liuyun Chen, Bingxian Chu, Xuan Luo, Hongbing Ji, Jianhua Chen, Zuzeng Qin
Summary: An ultrathin 2D/2D Ti3C2Tx/ZnIn2S4 heterostructure was designed with larger contact area and strong electronic interaction to promote charge carrier transfer, leading to enhanced photocatalytic hydrogen evolution. The synergistic effect of sulfur vacancy and Ti3C2Tx cocatalyst greatly improves electron transfer and separation of photogenerated charge carriers, increasing the efficiency of photocatalytic hydrogen evolution.
Article
Electrochemistry
Guo-Xin Huang, Ruo-Heng Wang, Xiao-Yan Lv, Jing Su, Yun-Fei Long, Zu-Zeng Qin, Yan-Xuan Wen
Summary: LiNiO2, a promising cathode material, suffers from poor cyclic stability and inferior rate performance. A strategy based on the synergistic effect of a strong Nb-O bond, high valence state, and larger ionic radius was developed to improve the properties of LiNiO2. The proposed doping strategy effectively enhances the stability and performance of LiNiO2.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Engineering, Environmental
Ya Xiao, Chengzheng Men, Bingxian Chu, Zuzeng Qin, Hongbing Ji, Jianhua Chen, Tongming Su
Summary: This study utilizes Cu-Ti3C2Tx as cocatalysts to enhance the photocatalytic performance of g-C3N4. The optimized Cu-Ti3C2Tx/g-C3N4 catalyst exhibits high CO2 reduction performance and stability.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Xinling Xie, Xiaona Zhao, Xuan Luo, Youquan Zhang, Zuzeng Qin, Hongbing Ji
Summary: The synthesis of cassava starch magnetic porous microspheres (AAM-MSMPMs) was accomplished through graft copolymerization in inverse emulsion. The resulting AAM-MSMPM adsorbent exhibited superparamagnetic behavior and demonstrated a high capacity for the adsorption of Cd(II) ions in aqueous solution. The addition of a porogen resulted in a decrease in particle size, an increase in specific surface area, and an enhancement in adsorption capacity. The adsorption process on the AAM-MSMPM followed Langmuir isothermal and pseudo-second-order kinetic models, with chemisorption as the rate-controlling step. The AAM-MSMPM also displayed excellent stability after multiple reuses.
Article
Chemistry, Multidisciplinary
Nongfeng Huang, Tongming Su, Zuzeng Qin, Hongbing Ji
Summary: A multilayer vanadium carbide MXene was used as a support to prepare Ni/m-V2O3-V2C catalysts for dry reforming of methane. The addition of Ni increased the catalyst alkalinity and the interaction between Ni and the support. The catalyst showed excellent catalytic stability and anti-coking ability.
Article
Chemistry, Physical
Yiyuan Xu, Tongming Su, Xuan Luo, Zuzeng Qin, Hongbing Ji
Summary: The effects of Ni-Ti supported and intercalated bentonite on the selective hydrogenation of cinnamaldehyde were investigated. Ni-Ti intercalated bentonite enhanced the strength of Bronsted acid sites and inhibited the activation of the C=O bond, contributing to the selective hydrogenation of the C=C bond. In contrast, when Ni-TiO2 was supported on bentonite, the acid strength of the catalyst increased, leading to the formation of acetals as byproducts. Ni-Ti-bentonite exhibited higher conversion of cinnamaldehyde and selectivity towards hydrocinnamaldehyde compared to Ni-TiO2/bentonite.
Article
Physics, Applied
Tongming Su, Manying Sun, Jing Wu, Liuyun Chen, Hongbing Ji, Zuzeng Qin
Summary: This paper presents the synthesis of a novel and efficient 2D/2D black phosphorus nanosheets (BPNS)-Bi2MoO6 photocatalyst and its application in photocatalytic CO2 reduction. The photocatalytic activity of the BPNS-Bi2MoO6 composite photocatalyst was significantly improved compared to Bi2MoO6. The BPNS-Bi2MoO6 photocatalyst exhibited optimal activity for photocatalytic CO2 reduction with CO production reaching 72.8 μmol g(-1) after 4 hours of reaction, which is 1.5 times more than that of Bi2MoO6. The enhanced light absorption, separation of electrons and holes, and the tight 2D/2D heterojunction formed between BPNS and Bi2MoO6 contribute to the high photocatalytic performance of BPNS/Bi2MoO6.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2023)
Article
Chemistry, Physical
Liuyun Chen, Manying Sun, Jundong Meng, Bingxian Chu, Xinling Xie, Xuan Luo, Hongbing Ji, Tongming Su, Zuzeng Qin
Summary: The spatial engineering of redox-active sites on TiO2 was achieved by stepwise selective photo-deposition, which controls the transfer direction of photogenerated electrons and holes. The 2Cu/TiO2/2Co(3)O(4) composite exhibited high photocatalytic CO2 reduction performance, with production of CO, CH4, CH3CH3, and CH2CH2. The spatial engineering of Cu and Co3O4 on TiO2 provides appropriate redox reaction sites to synergistically boost photocatalytic CO2 reduction and C-C coupling.
APPLIED SURFACE SCIENCE
(2023)
Article
Engineering, Chemical
Bo Gong, Tongming Su, Xinling Xie, Hongbing Ji, Zuzeng Qin
Summary: Supported Ni-based catalysts were easily sintered and deactivated in the dry re-forming of methane. Mg-substituted hydroxyapatite (HAP) catalysts (Ni/Mg(x)HAP, x = 0, 0.5, 1, 1.5) with 3% Ni loaded were prepared to solve this problem. The presence of Mg in the HAP lattice promoted Ni entry and inhibited carbonate formation, leading to enhanced catalytic activity and stability.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Chemistry, Physical
Siying Du, Liuyun Chen, Chengzheng Men, Hongbing Ji, Tongming Su, Zuzeng Qin
Summary: In this study, Zn(1-x)CdxS solid solution with different Zn/Cd molar ratio was synthesized and tested for photocatalytic H2 production from water. The bandgap, charge carrier separation efficiency, and surface defect states of the Zn(1-x)CdxS can be adjusted by altering the Zn/Cd molar ratio. The Zn0.8Cd0.2S exhibited the best performance for photocatalytic H2 production with a H2 production rate of 7.71 mmol center dot g-1 center dot h-1.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Editorial Material
Chemistry, Multidisciplinary
Zuzeng Qin
Article
Chemistry, Physical
Chuanshen Wang, Tongming Su, Zuzeng Qin, Hongbing Ji
Summary: In this study, Ni-In/γ-Al2O3 catalysts were prepared and used for the dry reforming of methane, and it was found that the catalyst with a Ni/In ratio of 3/2 exhibited the optimal conversion activity and stability. The addition of In increased the oxygen species and oxygen vacancy amounts on the catalyst, enhancing the CO2 conversion rate and reducing carbon deposition by promoting Ni particle dispersion and inhibiting agglomeration.
CATALYSIS SCIENCE & TECHNOLOGY
(2022)
Review
Chemistry, Physical
Tongming Su, Xiaohan Ma, Jianhua Tong, Hongbing Ji, Zuzeng Qin, Zili Wu
Summary: MXenes, a family of two-dimensional materials with intriguing properties, have great potential in energy and environmental applications. Surface engineering plays a crucial role in the successful application of MXenes, and the surface composition of MXenes significantly affects their physicochemical properties and functionalities.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
