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Optimization design method for biofuel resilient supply chain considering node disruption impacts in a two-stage stochastic programming framework

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Frontiers of chemical Science and engineering 2025年第6期19卷 1-15页

作者： Wei, Ronghui Zhang, Wenhui Luo, Yiqing Yu, Yang Yuan, Xigang Chemical Engineering Research Center School of Chemical Engineering and Technology Tianjin University Tianjin300354 China State Key Laboratory of Chemical Engineering and Low-Carbon Technology Tianjin University Tianjin300354 China

As economic globalization accelerates, biofuel supply chain systems are becoming increasingly complex and large-scale, with businesses facing rising uncertainties and an increased risk of disruptions. Designing resilient biofuel supply chains that can withstand these risks while maintaining security and competitiveness has become a major concern and an urgent issue for enterprises. However, due to the lack of effective methods for quantifying and evaluating supply chain disruption risks, existing supply chain design approaches fail to adequately address the problem of mitigating such risks. To address this issue, this paper proposes an improved Node Disruption Impact Index with adjustable parameters, based on cost changes in the supply chain caused by disruptions at different nodes. This index enables the identification of nodes with varying risk levels and provides a means for evaluating disruption impact. The adjustable parameters can be tailored to meet the needs of supply chain enterprises, facilitating a trade-off between economic benefits and supply chain resilience. Furthermore, the paper applies the index to the fluctuation range of node uncertainties and develops a two-stage stochastic programming supply chain optimization model. This model incorporates a mechanism for addressing potential high disruption risks. By applying the model to a biofuel supply chain case in Guangdong Province, the results demonstrate that, when high-risk nodes are interrupted, the proposed model outperforms traditional models in terms of cost and market delivery rate. This confirms the effectiveness of the method in the optimization design of resilient supply chain. © Higher Education Press 2025.

关键词： Stochastic programming

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Improvement of charge-transfer kinetics via MXene and cobalt containing polyoxometalate loading on CdS for photocatalytic hydrogen production

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Science China Chemistry 2025年第2期68卷 772-780页

作者： Yu Feng Xiao Fang Jinnuo Zang Bin Song Chunlian Hu Xiaoyu Dong Yong Ding State Key Laboratory of Applied Organic Chemistry Key Laboratory of Advanced Catalysis of Gansu ProvinceCollege of Chemistry and Chemical EngineeringLanzhou UniversityLanzhou 730000China State Key Laboratory of Low Carbon Catalysis and Carbon Dioxide Utilization State Key Laboratory for Oxo Synthesis and Selective OxidationLanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou 730000China

Hydrogen is a renewable and clean energy,and photocatalytic water splitting for hydrogen evolution technology is a promising technical means to solve the development *** this study,the ternary composite Co_(8)POM@MXene–CdS hybrid catalyst was constructed and used for photocatalytic hydrogen *** the condition of AM 1.5G simulated sunlight,the photocatalytic H_(2) evolution rate of the ternary composite was 8.13 mmol g^(−1) h^(−1),which was more than 25 times higher than that of the bare *** means of synchronous illumination X-ray photoelectron spectroscopy(SI-XPS)and density functional theory(DFT)calculations,it was proved that the loading of MXene and Co_(8)POM improved the photogenerated carrier separation and immigration efficiency on *** photogenerated electrons transfer from CdS to ***_(8)POM containing the{Co_(4)O_(3)}quasi-cubane,as an oxidation co-catalyst,accepts photogenerated holes from CdS to catalyze the oxidation reaction of TEOA,which improves the photocatalytic hydrogen production activity and the stability of CdS.

关键词： CdS polyoxometalates MXene hybrid catalyst photocatalytic hydrogen evolution

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Precursor-chemistry engineering toward ultrapermeable carbon molecular sieve membrane for CO_(2)capture

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Journal of Energy Chemistry 2025年第3期102卷 421-430页

作者： Mengjie Hou Lin Li Ruisong Xu Yunhua Lu Jing Song Zhongyi Jiang Tonghua Wang Xigao Jian State Key Laboratory of Fine Chemicals Dalian Key Laboratory of Membrane Materials and Membrane ProcessesLaboratory of Carbon Membranes and Porous MaterialsSchool of Chemical EngineeringDalian University of TechnologyDalian 116024LiaoningChina School of Chemical Engineering University of Science and Technology LiaoningAnshan 114051LiaoningChina Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300072China

carbon capture is an important strategy and is implemented to achieve the goals of CO_(2)reduction and carbon *** a high energy-efficient technology,membrane-based separation plays a crucial role in CO_(2)*** is urgently needed for membrane-based CO_(2)capture to develop the high-performance membrane materials with high permeability,selectivity,and ***,ultrapermeable carbon molecular sieve(CMS)membranes are fabricated by py roly zing a finely-engineered benzoxazole-containing copolyimide precursor for efficient CO_(2)*** microstructure of CMS membrane has been optimized by initially engineering the precursor-chemistry and subsequently tuning the pyrolysis *** insights into the structure-property relationship of CMSs are provided in detail by a combination of experimental characterization and molecular *** demonstrate that the intrinsically high free volume environment of the precursor,coupled with the steric hindrance of thermostable contorted fragments,promotes the formation of loosely packed and ultramicroporous carbon structures within the resultant CMS membrane,thereby enabling efficient CO_(2)discrimination via size sieving and *** membrane achieves an ultrahigh CO_(2)permeability,good selectivity,and excellent *** one month of long-term operation,the CO_(2)permeability in the mixed gas is maintained at 11,800 Barrer,with a CO_(2)/N_(2)selectivity exceeding *** study provides insights into the relationship between precursor-chemistry and CMS performance,and our ultrapermeable CMS membrane,which is scalable using thin film manufacturing,holds great potential for industrial CO_(2)capture.

关键词： CO_(2)capture Gas separation carbon molecular sieve membrane precursor-chemistry

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Study on the recovery of NMP waste liquid in lithium battery production by coupled pervaporation–adsorption process and evaluation of technical and economic performances

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Chinese Journal of chemical engineering 2025年 78卷 273-283页

作者： Zhang, Jiayi He, Jiali Wang, Guibing Zhao, Yu Zhou, Huairong Wang, Dongliang Zhang, Dongqiang School of Petrochemical Engineering Lanzhou University of Technology Lanzhou730050 China Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province Lanzhou730050 China

N-methyl-pyrrolidone (NMP) is an important solvent for the production of lithium batteries, which causes environmental pollution and wastes resources if it is directly discharged. The current commonly used vacuum distillation recovery process suffers from high operating costs and high energy consumption. Therefore, this paper proposes a coupled pervaporation-adsorption (PV-A) process to recover NMP solvents from lithium battery production waste streams. In this process, pervaporation is used to dewater the NMP waste liquid, it was found that the water content in the raw material liquid decreased from the initial 8.3% (mass) to 0.14% (mass) after 400 min of dewatering, but the membrane separation performance decreased significantly when the water content of the raw material liquid decreased to 0.45% (mass), and at the same time, the NMP loss rate increased rapidly. An adsorption process was used to remove trace water from the remaining liquid, and the water content in the feed liquid under the optimal adsorption process conditions was reduced from 0.45% (mass) to 0.014%, which fully meets the purity requirements of electronics-grade NMP for the production of lithium batteries. Steady-state modeling and techno-economic evaluation of the proposed coupled process were carried out, and compared with vacuum distillation and pervaporation technologies, the results showed the PV-A process yielded the best techno-economic performance and the lowest environmental impact, and it can be used as an alternative process to the traditional NMP recycling technology. This study provides a new method for the recycling of NMP in the lithium battery industry. © 2024 chemical Industry and engineering Society of China (CIESC) and chemical Industry Press Co., Ltd. (CIP)

关键词： Distillation

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Mechanism of extracting poorly-caking components from Shenhua long-flame coal using [N4441][Cl]

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Chinese Journal of chemical engineering 2025年 81卷 57-63页

作者： Fang, Shixian Chen, Ying Qian, Yutong Wang, Shulin Liu, Xiangchun Cui, Ping Anhui Province Key Laboratory of Coal Clean Conversion & Low-carbon Utilization School of Chemistry and Chemical Engineering Anhui University of Technology Anhui 243032 China

The effects of different kinds of ionic liquids (ILs) on the caking property of Shenhua long-flame coal (SHLC) were studied. SHLC and its residue after [N4441][Cl] treatment under optimum conditions were characterized by Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TG), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, and pyrolysis-gas chromatography and mass-spectrometric analysis (Py-GC/MS). The results showed that the ILs used could extract the poorly-caking components from SHLC, and [N4441][Cl] with C3H6O as a solvent exhibited the best effect among the ILs and solvents used. [N4441][Cl] could destroy the H bonds in SHLC, and the structure of the cross-linked macromolecules of SHLC was loosed, leading to the release of the small molecules within the macromolecular framework of SHLC. Additionally, [N4441][Cl] could easily penetrate into the interior of the relaxed SHLC and break the weak covalent bonds (e.g., C‒O bonds) of the macromolecules of SHLC. As a result, aromatic hydrocarbons with 3‒5 rings and aliphatic side chains, which are the precursor of the poorly-caking components, were formed and were then extracted from SHLC by C3H6O. Consequently, [N4441][Cl] treatment could decrease the caking property, thermal ability, and macromolecular size of SHLC. © 2025 chemical Industry and engineering Society of China, and chemical Industry Press Co., Ltd.

关键词： Thermogravimetric analysis

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Dual-plasticizer intermolecular interaction engineering in CO2-based quasi-solid-state polymer electrolytes addressing high-performance lithium metal batteries

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Journal of Energy Chemistry 2025年第4期103卷 803-812页

作者： Gang Su Maoning Geng Lei Zhong Min Xiao Shuanjin Wang Sheng Huang Hui Guo Dongmei Han Yuezhong Meng School of Chemical Engineering and Technology Sun Yat-sen University The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province/State Key Laboratory of Optoelectronic Materials and Technologies School of Materials Science and Engineering Sun Yat-sen University Institute of Chemistry Henan Academy of Sciences College of Chemistry Zhengzhou University

One effective approach to strike the balance between ionic conductivity and mechanical strength in polymer electrolytes involves the design of a coupled polymer molecular structure comprising both rigid and flexible ***,the regulation of intermolecular interactions between plasticizers and rigid and flexible phases has been largely ***,an intermolecular interaction engineering strategy is carried out with well-chosen dual-plasticize within qua si-sol id-state polymer electrolytes（QSPEs）.Succinonitrile exhibits a stronger affinity towards rigid phase hydrogenated nitrile butadiene rubber（HNBR）,while propene carbonate demonstrates a stronger affinity towards flexible segments poly（propylene carbonate）(PPC).This tailored intermolecular interaction engineering allows for differential plasticization of the polymer's rigid and flexible phases,thereby achieving a balance between ionic conductivity and mechanical *** QSPE have both higher ionic conductivity(1.04 × 10-4S cm-1at 30℃),tLi+（0.55）,and tensile strength（0.76 MPa）.Li//Li symmetric cells maintaining performance over1100 h at 0.1 mA cm-2and Li//LiFePO4cells retaining 85.0% capacity after 700 cycles at 1.0 *** is a unique angle to employ intermolecular interaction engineering in QSPEs through dual-plasticizer approach combined with CO2-based polymer *** sustainable strategy combining dual-plasticizer engineering with CO2-based polymers,offers insights for designing high-performance,eco-friendly lithium metal batteries.

关键词： Intermolecular interaction engineering Lithium metal batteries Quasi-solid-state polymer electrolytes Similarity and intermiscibility

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Flame-retardant cross-linked sp3 boron-based single-ion conductor polymer electrolyte for high-safety lithium metal batteries

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Journal of Energy Chemistry 2025年第5期104卷 101-110页

作者： Lingfeng Huang Zexian Zhang Sheng Huang Shuanjin Wang Dongmei Han Hui Guo Min Xiao Yuezhong Meng The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province State Key Laboratory of Optoelectronic Materials and Technologies School of Materials Science and Engineering Sun Yat-sen University School of Chemical Engineering and Technology Sun Yat-sen University Institute of Chemistry Henan Provincial Academy of Sciences College of Chemistry Zhengzhou University

Single ion gel polymer electrolyte has the advantages of high Li+conductivity and dendrite ***,the addition of organic solvent makes the electrolyte flammable,posing serious safety ***,we report a flame-retard ant cross-linked sp3boron-based single-ion gel polymer electrolyte（BSIPE）.BSIPE was prepared by a simple one-step photoinitiated in situ thiol-ene click *** to the boron-based anions being immobilized in the cross-linking network,the developed BSIPE/PFN exhibits a high tLi+（0.87）,which can mitigate concentration polarization phenomenon and suppress the growth of lithium ***/PFN plasticized with triethyl phosphate（TEP）,fluoroethylene carbonate（FEC） and LiNO3exhibits enhanced ionic conductivity of 4.25×10-4S cm-1at 30℃ and flame *** and LiNO3are conducive to form a stable solid electrolyte interphase（SEI） rich in Li3N and LiF to improve interface *** expected,the dendrite-free Li‖BSIPE/PFN‖Li symmetric cell exhibits considerable cycling life over 1500 ***/PFN significantly boosts the performance of LFP‖Li cell,which displays a capacity retention of 84.6% after 500 *** BSIPE/PFN has promising applications in highsafety and high-performance lithium metal batteries.

关键词： Flame-retardant Lithium metal batteries Single-ion conductor polymer electrolyte Solid electrolyte interphase

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Self-healing composite VO2 thin film with a thermochromic sandwich structure for smart windows

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Ceramics International 2025年第12期51卷 16268-16276页

作者： Fan, Shencheng Wei, Xiufang Guo, Jinyan Guo, Ruiwen Ren, Denghui Zhao, Zhenxia Li, Jing School of Chemistry and Chemical Engineering Guangxi University Nanning530004 China Key Laboratory of New Low-carbon Green Chemical Technology Education Department of Guangxi Zhuang Autonomous Region China

Vanadium dioxide (VO2) rapidly changes phases at 68 °C, making it promising for smart glazing. However, VO2 thin films suffer have limitations such as high phase-transition temperature (Tc), low visible-light transmittance (Tlum), weak solar-modulation ability (ΔTsol), poor stability, and unsatisfactory aesthetics, which prevent their widespread use in smart windows. To address these challenges, this study proposes a multilayer composite structure design wherein VO2 films are doped with tungsten, tin, and zirconium through a sol-gel method, effectively improving the Tc, Tlum, and ΔTsol to meet the optical performance requirements for smart glazing. Furthermore, a thermochromic layer containing imine bonds was incorporated, endowing the VO2 composite films with self-healing capability and ensuring that they maintain a warm tone at low temperature and a cool tone at high temperature, considerably enhancing stability and aesthetics. A self-healing thermochromic VO2 composite film with high Tlum (68.0 %), high ΔTsol (14.6 %), and an optimal Tc (26.5 °C) was successfully fabricated, demonstrating excellent stability and aesthetics. This study provides a practical solution for the application of VO2 in smart windows. © 2025 Elsevier Ltd and Techna Group S.r.l.

关键词： Sol-gel process

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Efficient hydrogen/carbon dioxide separation by magnifying their diffusion difference in carbon molecular sieve membranes

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Nano Research 2025年第4期18卷 526-533页

作者： Xue-Jie Zhang Tao Wu Bo-Yang Liu Gang Li An-Hui Lu State Key Laboratory of Fine Chemicals Liaoning Key Laboratory for Catalytic Conversion of Carbon ResourcesSchool of Chemical EngineeringDalian University of TechnologyDalian 116024China

Membranes with ultramicropores have shown great promise in gas ***,achieving high separation selectivity for gas with similar kinetic diameters,such as hydrogen(H_(2))and carbon dioxide(CO_(2)),remains a challenge due to the difficulty in precisely controlling ultramicropores ***,we developed a polybenzoxazine polymer-derived carbon molecular sieve(CMS)membrane with uniformly concentrated ultramicropores of 3.5Åto separate H_(2) and CO_(2).This membrane demonstrated a high selectivity of 67.6,with a H_(2) permeance of 118.7 GPU,outperforming most reported *** isosteric heat of adsorption(Q_(st))for CO_(2) in these ultramicropores reached 43.1 kJ·mol^(-1),approximately twice that of physical adsorption,indicating that CO_(2) were effectively confined within the concentrated *** tests revealed that the activation energy for CO_(2) permeation in the ultramicropores was 11.3 kJ·mol^(-1),one order of magnitude higher than that for H_(2)(1.3 kJ·mol^(-1)).This significant difference in activation energy magnifies the difference of diffusion rate between H_(2) and CO_(2).The distinct behavior between the free surface diffusion of H_(2) and the activated surface diffusion of CO_(2) is the key to achieving a high H_(2)/CO_(2) separation *** discovery presents a promising approach for separating H_(2) and CO_(2) using CMS membranes.

关键词： carbon molecular sieve membrane hydrogen/carbon dioxide separation activated surface diffusion free surface diffusion

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Synthesis of ordered mesoporous crystalline boron phosphate scaffold with double diamond surface structure

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Science China Chemistry 2025年第2期68卷 590-600页

作者： Chao Wang Wen-Duo Lu Jiao Wang Shunai Che An-Hui Lu Lu Han School of Chemical Science and Engineering Tongji UniversityShanghai 200092China State Key Laboratory of Fine Chemicals Liaoning Key Laboratory for Catalytic Conversion of Carbon ResourcesSchool of Chemical EngineeringDalian University of TechnologyDalian 116024China School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative MoleculesState Key Laboratory of Metal Matrix CompositesShanghai Key Laboratory for Molecular Engineering of Chiral DrugsShanghai Jiao Tong UniversityShanghai 200240China

Ordered mesoporous materials have received great attention due to their well-defined pore structures and potential applications in catalysis,adsorption,separation,drug delivery,*** various compositions of mesoporous solids have been successfully prepared,the preparation of crystalline non-metallic oxyacid salts with ordered mesoporosity remains a major ***,we report the synthesis of a mesoporous solid acid crystalline boron phosphate(BPO_(4))catalyst with a bicontinuous shifted double diamond(SDD)hyperbolic surface *** BPO_(4) scaffold was obtained by synergistic selfassembly in a mixed solvent of water and tetrahydrofuran using the diblock copolymer poly(ethylene oxide)-block-polystyrene as template and phosphoric acid and orthoboric acid as inorganic *** structure consists of two sets of diamond networks adjacent to each other with a mesostructural scale tetragonal symmetry(space group I4_(1)/amd)with unit cell parameters of a=80 nm and c=113 nm,which affords the scaffold a specific surface area of 44 m^(2)/*** a solid acid catalytic material,the SDD BPO_(4) scaffold exhibited excellent catalytic activity at room temperature with a conversion of furfural to 2-(dimethoxymethyl)furan over 70%and can be reused after recovery without serious loss of *** the propane oxidative dehydrogenation reaction,SDD BPO_(4) demonstrated high olefin productivity and selectivity while maintaining high reaction *** study provides ideas for the preparation of ordered mesoporous crystalline catalytic materials and demonstrates their potential for practical applications.

关键词： boron phosphate mesoporous material self-assembly block copolymer catalyst

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