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Combining extractive heterogeneous-azeotropic distillation and hydrophilic pervaporation for enhanced

Eniko Haaz, Botond Szilagyi, Daniel Fozer, Andras Jozsef Toth

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 913-927 doi: 10.1007/s11705-019-1877-1

Abstract: The separation of non-ideal mixtures using distillation can be an extremely complex process and thereA new method which combines extractive heterogeneous-azeotropic distillation (EHAD) and hydrophilic pervaporationThis improved distillation method combines the benefits of heterogeneous-azeotropic and extractive distillationsExtractive heterogeneous-distillation combined with methanol dehydration was found to be more efficientthan conventional distillation for the separation of these highly non-ideal mixtures.

Keywords： hydrophilic pervaporation     non-ideal mixture     modelling     extractive heterogeneous-azeotropic distillation    

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Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractivedistillation process

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 34-45 doi: 10.1007/s11705-022-2234-3

Abstract: In the traditional extractive distillation process, organic solvents are often used as entrainers.distillation process was proposed.An innovative ionic liquid-based extractive distillation process combining distillation column and strippingThe method proposed in this study is conducive to the green and sustainable development of extractivedistillation process.

Keywords： ionic liquid     entrainer screening     feasibility analysis     extractive distillation    

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Determination of a suitable index for a solvent via two-column extractive distillation using a heuristic

Zhaoyou Zhu, Guoxuan Li, Yao Dai, Peizhe Cui, Dongmei Xu, Yinglong Wang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 824-833 doi: 10.1007/s11705-019-1867-3

Abstract: The traditional approach to solvent selection in the extractive distillation process strictly focusesBinary azeotropic mixtures of methanol-toluene and methanol-acetone are separated to verify the feasibilityThe results show that using the solvent with the minimal two-column extractive distillation index, the

Keywords： heuristic method     solvent selection     extractive distillation     total annual cost    

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Preparation of ultrafine α-AlO using precipitation-azeotropic distillation method

XIAO Jin, QIN Qi, ZHOU Feng, CHEN Yanbin, WAN Ye

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 226-231 doi: 10.1007/s11465-008-0029-y

Abstract: Ammonium aluminum carbonate hydroxide (AACH) was prepared by a precipitation-azeotropic distillationammonium carbonate, proper amount of PEG1000 is added as the dispersant, and the product is treated by azeotropicdistillation.

Keywords： calcination temperature     spherical     AACH     carbonate hydroxide     ammonium carbonate    

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Energy-efficient recovery of tetrahydrofuran and ethyl acetate by triple-column extractive distillation

Ao Yang, Yang Su, Tao Shi, Jingzheng Ren, Weifeng Shen, Teng Zhou

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 303-315 doi: 10.1007/s11705-021-2044-z

Abstract: An energy-efficient triple-column extractive distillation process is developed for recovering tetrahydrofuranSubsequently, the direct and indirect triple-column extractive distillation processes are proposed inThese two extractive distillation processes are then optimized by employing an improved genetic algorithmThe results indicate that the indirect extractive distillation process with heat integration shows the

Keywords： extractive distillation     solvent selection     conceptual design     process optimization     heat integration    

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Methyl acetate–methanol mixture separation by extractive distillation: Economic aspects

Elena Graczová, Branislav Šulgan, Samuel Barabas, Pavol Steltenpohl

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 670-682 doi: 10.1007/s11705-018-1769-9

Abstract: Simulation of methyl acetate separation from its mixture with methanol by extraction distillation wasRaw material separation was achieved in an extraction distillation column while the solvent regenerationwas accomplished in a second distillation column in this case.for the methyl acetate-methanol azeotrope breaking, its regeneration was carried out in the second distillationcondition had to be fulfilled, namely minimum methyl acetate content in the distillate from the extraction distillation

Keywords： methyl acetate     1-ethyl-3-methylimidazolium trifluoromethanesulfonate     extraction distillation     dimethyl    

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Optimal design of extractive dividing-wall column using an efficient equation-oriented approach

Yingjie Ma, Nan Zhang, Jie Li, Cuiwen Cao

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 72-89 doi: 10.1007/s11705-020-1977-y

Abstract: The extractive dividing-wall column (EDWC) is one of the most efficient technologies for separation ofazeotropic or close boiling-point mixtures, but its design is fairly challenging.

Keywords： design     extractive dividing-wall column     equation-oriented optimisation     pseudo-transient continuation model    

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Extractive desulfurization of model fuels with a nitrogen-containing heterocyclic ionic liquid

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1735-1742 doi: 10.1007/s11705-022-2167-x

Abstract: synthesized using an aromatic nitrogen-containing heterocyclic and an amino acid, and applied to the extractive

Keywords： extractive desulfurization     nitrogen-containing heterocyclic ionic liquid     reduced density gradient analysis    

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A novel method for generating distillation configurations

Hongzhe Hou, Yiqing Luo

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 834-846 doi: 10.1007/s11705-019-1855-7

Abstract: An improved matrix method for generating distillation configurations with ( −1) and less than ( −1) columns

Keywords： non-sharp separation     multicomponent distillation     distillation configurations    

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Federated mutual learning: a collaborative machine learning method for heterogeneous data, models, and Research Article

Tao SHEN, Jie ZHANG, Xinkang JIA, Fengda ZHANG, Zheqi LV, Kun KUANG, Chao WU, Fei WU,chao.wu@zju.edu.cn,wufei@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 10,   Pages 1390-1402 doi: 10.1631/FITEE.2300098

Abstract: (FL) is a novel technique in deep learning that enables clients to collaboratively train a shared model while retaining their decentralized data. However, researchers working on FL face several unique challenges, especially in the context of heterogeneity. Heterogeneity in data distributions, computational capabilities, and scenarios among clients necessitates the development of customized models and objectives in FL. Unfortunately, existing works such as FedAvg may not effectively accommodate the specific needs of each client. To address the challenges arising from heterogeneity in FL, we provide an overview of the heterogeneities in data, model, and objective (DMO). Furthermore, we propose a novel framework called federated mutual learning (FML), which enables each client to train a personalized model that accounts for the data heterogeneity (DH). A "meme model" serves as an intermediary between the personalized and global models to address model heterogeneity (MH). We introduce a technique called deep mutual learning (DML) to transfer knowledge between these two models on local data. To overcome objective heterogeneity (OH), we design a shared global model that includes only certain parts, and the personalized model is task-specific and enhanced through mutual learning with the meme model. We evaluate the performance of FML in addressing DMO heterogeneities through experiments and compare it with other commonly used FL methods in similar scenarios. The results demonstrate that FML outperforms other methods and effectively addresses the DMO challenges encountered in the FL setting.

Keywords： Federated learning     Knowledge distillation     Privacy preserving     Heterogeneous environment    

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A review on membrane distillation in process engineering: design and exergy equations, materials and

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 592-613 doi: 10.1007/s11705-021-2105-3

Abstract: Further advances in the field of desalination can be provided by innovative processes such as membrane distillationpolarization phenomena and have encouraged the use of materials particularly suitable for membrane distillationThis work summarizes recent developments in the field of membrane distillation, studies for module length

Keywords： membrane distillation     recent developments     heat and mass transfer     wetting     membrane material    

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The use of carbon nanomaterials in membrane distillation membranes: a review

Sebastian Leaper, Ahmed Abdel-Karim, Patricia Gorgojo

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 755-774 doi: 10.1007/s11705-020-1993-y

Abstract: Membrane distillation (MD) is a thermal-based separation technique with the potential to treat a wide

Keywords： carbon nanomaterials     graphene     membrane distillation     desalination     carbon nanotubes    

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Design and optimization of reactive distillation: a review

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 799-818 doi: 10.1007/s11705-021-2128-9

Abstract: Reactive distillation process, a representative process intensification technology, has been widely appliedHowever, due to the strong interaction between reaction and separation, the extension of reactive distillationTo overcome this problem, the design and optimization of reactive distillation have been widely studiedThese design and optimization methods of the reactive distillation process are classified into threePerspectives on future research on the design and optimization of reactive distillation method are proposed

Keywords： reactive distillation     process intensification     design method     reactive phase diagram     optimization algorithm    

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CFD simulation on membrane distillation of NaCl solution

Zhaoguang XU, Yanqiu PAN, Yalan YU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 293-297 doi: 10.1007/s11705-009-0204-7

Abstract: simulation that coupled an established heat and mass transfer model was carried out for the air-gap membrane distillation

Keywords： membrane distillation     computational fluid dynamics (CFD) simulation     temperature polarization     carbon membrane    

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A Clean, Energy Efficiency Extractive Metallurgical Method——Slurry Electrolysis Process (SEP)

Qiu Dingfan

Strategic Study of CAE 1999, Volume 1, Issue 1,   Pages 67-72

Abstract: of analyzing the main problems in heavy non-ferrous hydrometallurgy, is a clean, energy efficiency extractive

Keywords： heavy non-ferrous metals     hydrometallurgy     slurry electrolysis process     extractive metallurgy    

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Title Author Date Type Operation

Combining extractive heterogeneous-azeotropic distillation and hydrophilic pervaporation for enhanced

Eniko Haaz, Botond Szilagyi, Daniel Fozer, Andras Jozsef Toth

Journal Article

Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractivedistillation process

Journal Article

Determination of a suitable index for a solvent via two-column extractive distillation using a heuristic

Zhaoyou Zhu, Guoxuan Li, Yao Dai, Peizhe Cui, Dongmei Xu, Yinglong Wang

Journal Article

Preparation of ultrafine α-AlO using precipitation-azeotropic distillation method

XIAO Jin, QIN Qi, ZHOU Feng, CHEN Yanbin, WAN Ye

Journal Article

Energy-efficient recovery of tetrahydrofuran and ethyl acetate by triple-column extractive distillation

Ao Yang, Yang Su, Tao Shi, Jingzheng Ren, Weifeng Shen, Teng Zhou

Journal Article

Methyl acetate–methanol mixture separation by extractive distillation: Economic aspects

Elena Graczová, Branislav Šulgan, Samuel Barabas, Pavol Steltenpohl

Journal Article

Optimal design of extractive dividing-wall column using an efficient equation-oriented approach

Yingjie Ma, Nan Zhang, Jie Li, Cuiwen Cao

Journal Article

Extractive desulfurization of model fuels with a nitrogen-containing heterocyclic ionic liquid

Journal Article

A novel method for generating distillation configurations

Hongzhe Hou, Yiqing Luo

Journal Article

Federated mutual learning: a collaborative machine learning method for heterogeneous data, models, and

Tao SHEN, Jie ZHANG, Xinkang JIA, Fengda ZHANG, Zheqi LV, Kun KUANG, Chao WU, Fei WU,chao.wu@zju.edu.cn,wufei@zju.edu.cn

Journal Article

A review on membrane distillation in process engineering: design and exergy equations, materials and

Journal Article

The use of carbon nanomaterials in membrane distillation membranes: a review

Sebastian Leaper, Ahmed Abdel-Karim, Patricia Gorgojo

Journal Article

Design and optimization of reactive distillation: a review

Journal Article

CFD simulation on membrane distillation of NaCl solution

Zhaoguang XU, Yanqiu PAN, Yalan YU

Journal Article

A Clean, Energy Efficiency Extractive Metallurgical Method——Slurry Electrolysis Process (SEP)

Qiu Dingfan

Journal Article