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学者姓名:陈杰
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C16H14O5, monoclinic, P21/c (no. 14), a = 11.1420(17) & Aring;, b = 8.4700(12) & Aring;, c = 15.429(2) & Aring;, beta = 104.624(4)degrees, V = 1408.9(4) & Aring;3, Z = 4, Rgt(F) = 0.0513, wRref(F2) = 0.1243, T = 296(2) K.
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2334088 2334088
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GB/T 7714 | Huang, Shiyin , Yin, Minlei , Lin, Yuxin et al. Crystal structure of 3,3′-dimethoxy-4,4′-oxy-di-benzaldehyde, C16H14O5 [J]. | ZEITSCHRIFT FUR KRISTALLOGRAPHIE-NEW CRYSTAL STRUCTURES , 2024 , 239 (4) : 611-612 . |
MLA | Huang, Shiyin et al. "Crystal structure of 3,3′-dimethoxy-4,4′-oxy-di-benzaldehyde, C16H14O5" . | ZEITSCHRIFT FUR KRISTALLOGRAPHIE-NEW CRYSTAL STRUCTURES 239 . 4 (2024) : 611-612 . |
APA | Huang, Shiyin , Yin, Minlei , Lin, Yuxin , Yang, Heyi , Chen, Jie , Qiu, Ting . Crystal structure of 3,3′-dimethoxy-4,4′-oxy-di-benzaldehyde, C16H14O5 . | ZEITSCHRIFT FUR KRISTALLOGRAPHIE-NEW CRYSTAL STRUCTURES , 2024 , 239 (4) , 611-612 . |
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The presence of a considerable quantity of metal ions in N-methylpyrrolidone (NMP) applied for the cleaning of electronic devices, especially chips, results in a breakdown effect, thus affecting their overall durability and performance. Here, hydrogel that rich in O, N, and S active sites was prepared, which can effectively remove trace amounts of Cu (II) from N-methylpyrrolidone. The material was synthesized through a one-pot crosslinking and ion exchange method and is named SLH. The physicochemical properties and adsorption experiments were conducted. It was found that SLH-2 exhibited outstanding Langmuir maximum adsorption capacity of 136.99 mg/g at an initial Cu (II) concentration of 200 mg/L. By utilizing SLH-2 in electronic grade adsorption experiments, concentration of trace Cu (II) decreased from 12.3 μg/L to 5.39 μg/L. Additionally, concentration of Zn, Fe, Mg, and Ni significantly reduced to less than 1 μg/L, with –NH2 and –COOH playing crucial roles in the adsorption process. The research results indicate that predominant adsorption mechanisms are surface coordination and ion exchange. The adsorption energy between active functional groups and Cu (II) was calculated using density functional theory (DFT), revealing an affinity order of –COOH > –SO3H > –NH2 > –OH. This work not only developed an adsorbent for capturing trace Cu (II), but also provided new strategies for the removal of metal ions in wet chemicals. © 2024 Elsevier B.V.
Keyword :
Adsorption Adsorption Copper compounds Copper compounds Density functional theory Density functional theory Hydrogels Hydrogels Ion exchange Ion exchange Metal ions Metal ions Physicochemical properties Physicochemical properties Trace elements Trace elements
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GB/T 7714 | Chang, Zhouxin , Zhang, Jiamei , Ye, Changshen et al. Trace Cu (II) removal from N-methylpyrrolidone with hydrogel rich in O, N and S active sites [J]. | Separation and Purification Technology , 2024 , 337 . |
MLA | Chang, Zhouxin et al. "Trace Cu (II) removal from N-methylpyrrolidone with hydrogel rich in O, N and S active sites" . | Separation and Purification Technology 337 (2024) . |
APA | Chang, Zhouxin , Zhang, Jiamei , Ye, Changshen , Chen, Jie , Qi, Zhaoyang , Wang, Qinglian et al. Trace Cu (II) removal from N-methylpyrrolidone with hydrogel rich in O, N and S active sites . | Separation and Purification Technology , 2024 , 337 . |
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The coexistence of lead, zinc, and copper ions in wastewater constitutes an environmental challenge of pressing concern. This research delves into the preparation of innovative oxidation-doped conjugated microporous poly(aniline) frameworks, exploring their prospective efficacy in regulating lead ion adsorption from aqueous solutions. H2SO4-CMPTA demonstrates the capability to reach adsorption equilibrium within 15 min at a lead concentration of 50 ppm. Even at a lead concentration of 20 ppm, it still efficaciously attenuates these levels to sub-10 ppb, a value surpassing extant standard. H2SO4-CMPTA retains over 78.8% adsorption efficiency after six cycles. Analytical characterization coupled with computational calculations suggests that sulfate-coordinated nitrogen cationic structure plays a crucial role in adsorption. A deeper investigation reveals the cardinal role of electrostatic attraction and exclusive chelation adsorption underpinning the efficient capture of lead ions by doped sulfate ions. Intriguingly, in a mixed heavy metal solution containing lead, zinc, and copper ions, H2SO4-CMPTA exhibits an initial predilection toward zinc ions, yet an eventual ion-exchange adsorption gravitating toward lead ions was discerned, governed by the latter's superior binding energy. Our study elucidates a promising material as an efficacious tool for the remediation of aquatic environments tainted with lead contaminants.
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GB/T 7714 | Wang, Yubing , Wu, Xiaoxi , Zhou, Ziyi et al. Selective Adsorption Behavior of Sulfuric Acid Oxidized and Doped Conjugated Microporous Poly(aniline)s toward Lead Ions in an Aqueous Environment [J]. | LANGMUIR , 2024 , 40 (7) : 3628-3639 . |
MLA | Wang, Yubing et al. "Selective Adsorption Behavior of Sulfuric Acid Oxidized and Doped Conjugated Microporous Poly(aniline)s toward Lead Ions in an Aqueous Environment" . | LANGMUIR 40 . 7 (2024) : 3628-3639 . |
APA | Wang, Yubing , Wu, Xiaoxi , Zhou, Ziyi , Feng, Jiangtao , Li, Mingtao , Chen, Jie et al. Selective Adsorption Behavior of Sulfuric Acid Oxidized and Doped Conjugated Microporous Poly(aniline)s toward Lead Ions in an Aqueous Environment . | LANGMUIR , 2024 , 40 (7) , 3628-3639 . |
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Separating anionic surfactant-stabilized oil-in-water emulsions remains a critical challenge due to the presence of surfactants. In this study, we developed a unique collagen fiber-based CFM-PEI-TiO2 with superhydrophilic and underwater superoleophobic properties, enabling efficient separation of various anionic surfactant-stabilized oilin-water microemulsions and nanoemulsions through charge demulsification effects. The membrane achieved high separation flux (1458.50 L & sdot;m- 2 & sdot;h- 1) and separation efficiency (99.94%) simultaneously. Importantly, the membrane exhibited remarkable mechanical durability, as it remained capable of separating diverse oil-in-water emulsions even after being subjected to abrasion with sandpaper for 500 cycles, highlighting its long-term durability and economic viability. The robust membrane also demonstrated excellent recyclability, with a separation efficiency of over 99% after twelve cycles and a flux of 1299.10 L & sdot;m- 2 & sdot;h- 1 after fifteen cycles. These properties can be attributed to the PEI-induced electrostatic interactions and the enhanced superhydrophilicsuperoleophobic interaction provided by TiO2 on the unique collagen fiber membrane. The outcomes emphasize the versatility and potential of our membrane in overcoming the challenges associated with emulsified oily wastewater.
Keyword :
Abrasion stability Abrasion stability Anionic surfactant-stabilized O/W emulsions Anionic surfactant-stabilized O/W emulsions Collagen fiber membrane Collagen fiber membrane Superhydrophilic/underwater superoleophobic Superhydrophilic/underwater superoleophobic
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GB/T 7714 | Ye, Xiaoxia , Lin, Xiaoying , Chi, Ruiyang et al. Aminated superhydrophilic/underwater superoleophobic collagen fiber membrane for efficient separation of anionic surfactant-stabilized oil-in-water emulsions [J]. | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2024 , 183 : 1186-1197 . |
MLA | Ye, Xiaoxia et al. "Aminated superhydrophilic/underwater superoleophobic collagen fiber membrane for efficient separation of anionic surfactant-stabilized oil-in-water emulsions" . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 183 (2024) : 1186-1197 . |
APA | Ye, Xiaoxia , Lin, Xiaoying , Chi, Ruiyang , Liu, Juan , Huang, Jian , Chen, Jie . Aminated superhydrophilic/underwater superoleophobic collagen fiber membrane for efficient separation of anionic surfactant-stabilized oil-in-water emulsions . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2024 , 183 , 1186-1197 . |
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Membrane separation strategies offer promising platform for the emulsion separation. However, the low mechanical strength of membrane separation layers and the trade-off between separation flux and efficiency present significant challenges. In this study, we report a CFM@UiO-66-NH2 membrane with high separation flux, efficiency and stability, through utilizing a robust anti-abrasion collagen fiber membrane (CFM) as the multifunctional support and UiO-66-NH2 by an in-situ growth as the separation layer. The high mechanical strength of the CFM compensated for the weakness of the separation layer, while the charge-breaking effect of UiO-66-NH2, along with the size sieving of its constituent separating layers and the capillary effect of the collagen fibers, contributed to the potential for efficient separation. Additionally, the CFM@UiO-66-NH2 membrane exhibited superhydrophilic properties, making it suitable for separating oil-in-water microemulsions and nanoemulsions stabilized by anionic surfactants. The membrane demonstrated remarkable separation efficiencies of up to 99.960% and a separation flux of 370.05 L center dot m-2 center dot h-1. Moreover, it exhibits stability, durability, and abrasion resistance, maintaining excellent separation performance even when exposed to strong acids and alkalis without any damage to its structure and performance. After six cycles of reuse, it achieved a separation flux of 417.97 L center dot m-2 center dot h-1 and a separation efficiency of 99.747%. Furthermore, after undergoing 500 cycles of strong abrasion, the separation flux remained at 124.39 L center dot m-2 center dot h-1, with a separation efficiency of 99.992%. These properties make it suitable for the long-term use in harsh operating environments. We attribute these properties to the electrostatic effect resulting from the amino group on UiO-66-NH2 and its in-situ growth on the CFM, which forms a size-screening separation layer. Our work highlights the potential of the CFM@UiO-66NH2 membrane as an environmentally friendly size-screening material for the efficient emulsion wastewater separation. (c) 2023 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
Keyword :
Collagen fibers Collagen fibers Metal -organic frameworks Metal -organic frameworks Oil -in -water emulsion separation Oil -in -water emulsion separation Size sieving Size sieving
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GB/T 7714 | Ye, Xiaoxia , Huang, Rixin , Zheng, Zhihong et al. Anti-abrasion collagen fiber-based membrane functionalized by UiO-66-NH2 with ultra-high efficiency and stability for oil-in-water emulsions separation [J]. | CHINESE JOURNAL OF CHEMICAL ENGINEERING , 2024 , 66 : 285-297 . |
MLA | Ye, Xiaoxia et al. "Anti-abrasion collagen fiber-based membrane functionalized by UiO-66-NH2 with ultra-high efficiency and stability for oil-in-water emulsions separation" . | CHINESE JOURNAL OF CHEMICAL ENGINEERING 66 (2024) : 285-297 . |
APA | Ye, Xiaoxia , Huang, Rixin , Zheng, Zhihong , Liu, Juan , Chen, Jie , Lv, Yuancai . Anti-abrasion collagen fiber-based membrane functionalized by UiO-66-NH2 with ultra-high efficiency and stability for oil-in-water emulsions separation . | CHINESE JOURNAL OF CHEMICAL ENGINEERING , 2024 , 66 , 285-297 . |
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Extracting uranium from seawater has become an important method to supplement the nuclear industry. Herein, we introduce a simple route to load conjugated microporous polymers onto collagen fiber membranes, resulting in a novel membrane adsorbent material (CMPA-F/CFM) for uranium capture. Its Langmuir adsorption capacity reaches 304.9 mg·g−1 (at 318 K), with fast adsorption kinetic of 60 min, and excellent adsorption selectivity with Kd = 4.69 × 104 mL·g−1 under the temperature of 298 K, initial concentration of 50 mg·L-1, and pH = 7, thus allowing a satisfactory adsorption performance in a 7-day real ocean experiment with a uranium adsorption capacity of 1.25 mg·g−1. Furthermore, in continuous dynamic adsorption experiments, CMPA-F/CFM could treat up to 19.0 L·g−1 of low-enriched uranium (LEU) solution (1 mg·L-1), with a uranium removal rate of up to 87.5 % (10 L of seawater). This study demonstrates broad potential application of membrane adsorption in extraction of low-enriched uranium. © 2024 Elsevier Ltd
Keyword :
Adsorption Adsorption Collagen Collagen Conjugated polymers Conjugated polymers Extraction Extraction Microporosity Microporosity Nuclear industry Nuclear industry Seawater Seawater Uranium Uranium
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GB/T 7714 | Ye, Xiaoxia , Liu, Juan , Chen, Xueying et al. Effective uranium extraction from seawater through immobilization of conjugated microporous polymers on collagen fiber membrane [J]. | Chemical Engineering Science , 2024 , 295 . |
MLA | Ye, Xiaoxia et al. "Effective uranium extraction from seawater through immobilization of conjugated microporous polymers on collagen fiber membrane" . | Chemical Engineering Science 295 (2024) . |
APA | Ye, Xiaoxia , Liu, Juan , Chen, Xueying , Chen, Dongjun , Qian, Zhen , Chen, Jie et al. Effective uranium extraction from seawater through immobilization of conjugated microporous polymers on collagen fiber membrane . | Chemical Engineering Science , 2024 , 295 . |
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Membrane separation strategies offer promising platform for the emulsion separation.However,the low mechanical strength of membrane separation layers and the trade-off between separation flux and ef-ficiency present significant challenges.In this study,we report a CFM@UiO-66-NH2 membrane with high separation flux,efficiency and stability,through utilizing a robust anti-abrasion collagen fiber membrane(CFM)as the multifunctional support and UiO-66-NH2 by an in-situ growth as the separation layer.The high mechanical strength of the CFM compensated for the weakness of the separation layer,while the charge-breaking effect of UiO-66-NH2,along with the size sieving of its constituent separating layers and the capillary effect of the collagen fibers,contributed to the potential for efficient separation.Addi-tionally,the CFM@UiO-66-NH2 membrane exhibited superhydrophilic properties,making it suitable for separating oil-in-water microemulsions and nanoemulsions stabilized by anionic surfactants.The membrane demonstrated remarkable separation efficiencies of up to 99.960%and a separation flux of 370.05 L·m-2·h-1.Moreover,it exhibits stability,durability,and abrasion resistance,maintaining excellent separation performance even when exposed to strong acids and alkalis without any damage to its structure and performance.After six cycles of reuse,it achieved a separation flux of 417.97 L·m-2·h-1 and a separation efficiency of 99.747%.Furthermore,after undergoing 500 cycles of strong abrasion,the separation flux remained at 124.39 Lm-2·h-1,with a separation efficiency of 99.992%.These properties make it suitable for the long-term use in harsh operating environments.We attribute these properties to the electrostatic effect resulting from the amino group on UiO-66-NH2 and its in-situ growth on the CFM,which forms a size-screening separation layer.Our work highlights the potential of the CFM@UiO-66-NH2 membrane as an environmentally friendly size-screening material for the efficient emulsion wastewater separation.
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GB/T 7714 | Xiaoxia Ye , Rixin Huang , Zhihong Zheng et al. Anti-abrasion collagen fiber-based membrane functionalized by UiO-66-NH2 with ultra-high efficiency and stability for oil-in-water emulsions separation [J]. | 中国化学工程学报(英文版) , 2024 , 66 (2) : 285-297 . |
MLA | Xiaoxia Ye et al. "Anti-abrasion collagen fiber-based membrane functionalized by UiO-66-NH2 with ultra-high efficiency and stability for oil-in-water emulsions separation" . | 中国化学工程学报(英文版) 66 . 2 (2024) : 285-297 . |
APA | Xiaoxia Ye , Rixin Huang , Zhihong Zheng , Juan Liu , Jie Chen , Yuancai Lv . Anti-abrasion collagen fiber-based membrane functionalized by UiO-66-NH2 with ultra-high efficiency and stability for oil-in-water emulsions separation . | 中国化学工程学报(英文版) , 2024 , 66 (2) , 285-297 . |
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Biodiesel, known as a renewable fuel, is an environmentally friendly energy source derived from animal and vegetable oils, as well as recycled oil. Despite this, the current advancements in biodiesel technology face challenges in fully replacing petrochemical diesel, primarily due to the non-green catalytic synthesis and high production cost associated with biodiesel. Ionic liquids containing strong Lewis acids or BrOnsted acids have been highlighted as a novel class of environmentally friendly solvents and catalysts, showing green and effective catalytic potential in the synthesis of biodiesel via transesterification. In another aspect, reactive distillation technology could facilitate continuous forward reactions catalyzed by ionic liquids by swiftly removing reaction products from the reaction zone, offering advantages in improving the production efficiency, energy consumption, and cost reduction. From this perspective, we discuss the synthesis of biodiesel catalyzed by ionic liquids, supported ionic liquids, amphiphilic ionic liquids, and amphiphilic supported ionic liquids. The focus is on the process for synthesizing biodiesel through catalytic distillation. We emphasize the potential role of the lipophilic group in the ionic liquid catalyst, promoting the mutual solubility of the reactant triglyceride with methanol or ethanol. This enhancement might facilitate contact between the reactants and improve the catalytic efficiency of transesterification. Additionally, we propose several methods to improve the efficiency of biodiesel synthesis catalyzed by ionic liquid catalysts and suggest appropriate reactive distillation processes for biodiesel production.
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GB/T 7714 | Qi, Zhaoyang , Cui, Rongkai , Lin, Hao et al. Challenges and perspectives on using acidic ionic liquids for biodiesel production via reactive distillation [J]. | GREEN CHEMISTRY , 2024 , 26 (13) : 7718-7731 . |
MLA | Qi, Zhaoyang et al. "Challenges and perspectives on using acidic ionic liquids for biodiesel production via reactive distillation" . | GREEN CHEMISTRY 26 . 13 (2024) : 7718-7731 . |
APA | Qi, Zhaoyang , Cui, Rongkai , Lin, Hao , Ye, Changshen , Chen, Jie , Qiu, Ting . Challenges and perspectives on using acidic ionic liquids for biodiesel production via reactive distillation . | GREEN CHEMISTRY , 2024 , 26 (13) , 7718-7731 . |
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N-Methylpyrrolidone is widely used across various sectors; however, the energy-efficient removal of 1,4-butyrolactone impurity from NMP remains a significant challenge due to their nearly identical molecular size and properties. Herein, we synthesize a series of flexible molecular materials, perethylated pillar[n]arene (n = 5, 6) with enhanced crystallization efficiency under the induce of dichloromethane solvent. Through a size-specific recognition and varied host–guest interaction, EtP5 demonstrates exceptional 99 % selectivity for GBL against NMP; single-crystal structure analyses and theoretical calculations unveil intricate C-H···O hydrogen bonding interactions, and π-π stacking interactions between EtP5 and GBL. The single-crystal structure of the two-guest complexes has proved the existence of adsorption transition states, and it comprehensively elucidates the dynamic adsorption process of EtP5 with GBL, supported by theoretical calculations. Reuse experiments validate these crystals could be fully reused without loss of performance. © 2024 Elsevier B.V.
Keyword :
1,4-Butyrolactone 1,4-Butyrolactone Adsorption mechanism Adsorption mechanism N-Methylpyrrolidone N-Methylpyrrolidone Perethylated pillar[5]arene Perethylated pillar[5]arene
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GB/T 7714 | Yin, M. , Yang, C. , Tang, D. et al. Revealing the mechanism behind the highly selective separation of 1,4-butyrolactone from n-methylpyrrolidone using nonporous adaptive crystals of perethylated pillar[5]arene [J]. | Chemical Engineering Journal , 2024 , 495 . |
MLA | Yin, M. et al. "Revealing the mechanism behind the highly selective separation of 1,4-butyrolactone from n-methylpyrrolidone using nonporous adaptive crystals of perethylated pillar[5]arene" . | Chemical Engineering Journal 495 (2024) . |
APA | Yin, M. , Yang, C. , Tang, D. , Huang, S. , Lou, X. , Cui, R. et al. Revealing the mechanism behind the highly selective separation of 1,4-butyrolactone from n-methylpyrrolidone using nonporous adaptive crystals of perethylated pillar[5]arene . | Chemical Engineering Journal , 2024 , 495 . |
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Ethyl methyl carbonate (EMC) is a crucial solvent extensively utilized in lithium-ion battery electrolytes; the transesterification of dimethyl carbonate (DMC) with ethanol is a pivotal reaction for EMC production. However, this reaction faces challenges due to the trade-off between catalytic activity and selectivity from the basic catalysts. In this issue, we report an innovative strategy through fine-tuning the electron-donor capability of the basic phenolate anion ([PhO]) in a novel poly(ionic liquid) (PIL) framework, as synthesized via an alkylation reaction between 1,3,5-tris(bromomethyl)benzene, biphenyldiimidazole, and N,N '-carbonyldiimidazole (CDI) to trigger targeted basicity that can directionally catalyze the transesterification of DMC with ethanol, so as to achieve both ultrahigh catalytic activity and selectivity toward EMC. By varying the substituent groups with electron-withdrawing and electron-donating effects on the phenolate anion, the PILs show expected changes in the catalytic performance, following well with the trend of charge density on these substituted phenolate anions. The optimized catalyst [CPIL-CDI][MeOPhO], induced by p-methoxyphenolate anions, allows an extraordinary EMC yield of 72.19% and an EMC selectivity of 91.48% under mild conditions without any process intensifications, suppressing all of the reported catalysts reported to date. Outcomes and approaches shown in this work have the potential to expedite the systematic design of cations and anions within PILs for industrial-scale EMC production through environmentally friendly transesterification processes.
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GB/T 7714 | Chen, Jie , Huang, Huiyao , Gong, Wangquan et al. Fine-Tuning Electron-Donor Capability in the Basic Anion of Poly(ionic liquid) Frameworks for Revolutionizing Catalytic Synthesis of Ethyl Methyl Carbonate with Both Ultrahigh Catalytic Activity and Selectivity [J]. | LANGMUIR , 2024 , 40 (17) : 9233-9243 . |
MLA | Chen, Jie et al. "Fine-Tuning Electron-Donor Capability in the Basic Anion of Poly(ionic liquid) Frameworks for Revolutionizing Catalytic Synthesis of Ethyl Methyl Carbonate with Both Ultrahigh Catalytic Activity and Selectivity" . | LANGMUIR 40 . 17 (2024) : 9233-9243 . |
APA | Chen, Jie , Huang, Huiyao , Gong, Wangquan , Chen, Yi , Dong, Rong , Ren, Limei et al. Fine-Tuning Electron-Donor Capability in the Basic Anion of Poly(ionic liquid) Frameworks for Revolutionizing Catalytic Synthesis of Ethyl Methyl Carbonate with Both Ultrahigh Catalytic Activity and Selectivity . | LANGMUIR , 2024 , 40 (17) , 9233-9243 . |
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