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A hybrid membrane process for simultaneous thickening and digestion of waste activated sludge

Zhiwei WANG, Qiaoying WANG, Zhichao WU, Xinhua WANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 272-279 doi: 10.1007/s11783-010-0234-x

Abstract: A hybrid membrane process for simultaneous sludge thickening and digestion (MSTD) was studied.showed that biopolymers and cations of biomass were gradually released to the bulk solution during the processdemand, soluble microbial products, viscosity, and MLSS had significant positive correlations with the membranepolymeric substances, polysaccharides, and proteins extracted from biomass had negative impacts on membrane

Keywords： membrane filtration     sludge digestion     sludge thickening     waste activated sludge    

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Pressure swing adsorption/membrane hybrid processes for hydrogen purification with a high recovery

Baojun Li,Gaohong He,Xiaobin Jiang,Yan Dai,Xuehua Ruan

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 255-264 doi: 10.1007/s11705-016-1567-1

Abstract: The PSA-membrane hybrid process produced hydrogen that was 99.98% pure with a recovery of 91.71%, whereasthe membrane-PSA hybrid process produced hydrogen that was 99.99% pure with a recovery of 91.71%.The PSA-membrane hybrid process achieved higher total H recoveries than the membrane-PSA hybrid processMeanwhile, the membrane-PSA hybrid process achieved a higher total H recovery (97.06%) than PSA-membranehybrid process (94.35%) at the same H concentration of PSA feed gas (62.57%).

Keywords： hydrogen purification     PSA     membrane separation     hybrid process    

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Progress in membrane distillation crystallization: Process models, crystallization control and innovative

Xiaobin Jiang, Linghan Tuo, Dapeng Lu, Baohong Hou, Wei Chen, Gaohong He

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 647-662 doi: 10.1007/s11705-017-1649-8

Abstract: Membrane distillation crystallization (MDC) is a promising hybrid separation process that has been appliedThis review focuses on the development of MDC process models and on crystallization control strategies

Keywords： membrane distillation crystallization     mathematics model     nucleation     separation     hybrid process    

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Removal of organic matter and disinfection by-products precursors in a hybrid process combining ozonationwith ceramic membrane ultrafiltration

Xiaojiang FAN,Yi TAO,Dequan WEI,Xihui ZHANG,Ying LEI,Hiroshi NOGUCHI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 112-120 doi: 10.1007/s11783-014-0745-y

Abstract: The performance of an integrated process including coagulation, ozonation, ceramic ultrafiltration (UFIn sum, the integrated process removed 73% of dissolved organic carbon (DOC), 87% of UV , 77% of trihalomethane

Keywords： ceramic ultrafiltration(UF)     ozonation     organic matter     hydrophilic     hydrophobic     disinfection by-products    

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Nanofiltration for separation and purification of saccharides from biomass

Xianhui Li, Sheng Tan, Jianquan Luo, Manuel Pinelo

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 837-853 doi: 10.1007/s11705-020-2020-z

Abstract: Hybrid membrane processes, i.e., combining NF with ultrafiltration, can complement each other to provideHowever, use of NF membrane separation technology is limited due to irreversible membrane fouling thatFuture development of NF membrane technology should therefore focus on improving material stability,antifouling ability and saccharide targeting selectivity, as well as on engineering aspects such as processoptimisation and membrane module design.

Keywords： saccharides     nanofiltration membrane     hybrid membrane process     biomas    

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Synthesis of novel magneto-hybrid polyoxometalate composite membrane with simultaneous photocatalytic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1450-1459 doi: 10.1007/s11705-023-2310-3

Abstract: Membrane technology is ideal for removing aqueous humic acid, but humic acid deposits cause membraneHerein, this work proposed an alternative approach to the controllably magnetically induced magneto-hybridpolyoxometalate (magneto-HPOM) nanocomposite migration toward the polyethersulfone (PES) membrane surfaceunder a magnetic field to enhance the self-cleaning and antifouling functionalities of the membrane.compared with neat PES membrane.

Keywords： magneto-hybrid polyoxometalate nanocomposite     composite membrane     antifouling     self-cleaning     magnetic    

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Diffusion process in enzyme–metal hybrid catalysts

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 921-929 doi: 10.1007/s11705-022-2144-4

Abstract: Enzyme–metal hybrid catalysts bridge the gap between enzymatic and heterogeneous catalysis, which isPrevious studies have demonstrated that the enzyme–metal hybrid catalysts exhibited considerably higherHere, we investigated the diffusion process in enzyme–metal hybrid catalysts using Pd/lipase-PluronicThereafter, a kinetic model was developed and fitted to describe the proximity effect in hybrid catalystsResults indicated that the enhanced catalytic efficiency of hybrid catalysts may arise from the decreased

Keywords： enzyme–metal hybrid catalyst     internal diffusion     proximity effect     kinetic model    

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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 membraneenhanced research activities and allowed a deeper understanding of mass and heat transport phenomena, membranewetting, polarization phenomena and have encouraged the use of materials particularly suitable for membraneThis work summarizes recent developments in the field of membrane distillation, studies for module lengthoptimization, commercial membrane modules developed, recent patents and advancement of membrane material

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

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Membrane bioreactors for hospital wastewater treatment: recent advancements in membranes and processes

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 634-660 doi: 10.1007/s11705-021-2107-1

Abstract: through hybridizing novel membranes (non hydrophilic ultrafiltration/microfiltration) into the MBR units (hybridpurification step (integrated MBR-membrane systems).Then, an in-depth analysis was provided into the recent development of hybrid MBR and integrated MBR-membranereview will shed light on the knowledge gaps in the field, highlighting the potential contribution of hybridMBRs and integrated MBR-membrane systems toward global epidemic prevention.

Keywords： membrane technology     membrane bioreactor     hospital wastewater     hybrid MBR     integrated MBR-membrane system    

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A critical review on thermodynamic mechanisms of membrane fouling in membrane-based water treatment process

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1729-6

Abstract:

● Fundamentals of membrane fouling are comprehensively reviewed.

Keywords： Membrane fouling     Thermodynamic mechanism     XDLVO theory     Flory-Huggins theory     Fouling migration    

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Integration of molecular dynamic simulation and free volume theory for modeling membrane VOC/gas separation

Bo Chen, Yan Dai, Xuehua Ruan, Yuan Xi, Gaohong He

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 296-305 doi: 10.1007/s11705-018-1701-3

Abstract: Gas membrane separation process is highly unpredictable due to interacting non-ideal factors, such asThis work proposes a method for modeling a membrane separation process for volatile organic compoundsA lab-scale hollow fiber membrane module was prepared for the model validation and evaluation.The proposed method provides an efficient tool for process engineering to simulate the membrane recoveryprocess.

Keywords： membrane vapor separation     membrane process modeling     process engineering     free volume theory     volatile organic    

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Purification and concentration of gluconic acid from an integrated fermentation and membrane process

Parimal Pal, Ramesh Kumar, Subhamay Banerjee

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 152-163 doi: 10.1007/s11705-018-1721-z

Abstract: optimize the purification and concentration of gluconic acid from fermentation broth using an integrated membraneThe optimum operating conditions, such as trans-membrane pressure (TMP), pH, cross-flow rate (CFR) andperforming one was then used for downstream purification of gluconic acid in a flat sheet cross-flow membraneh ), this membrane retained more than 85% of the unconverted glucose from the fermentation broth andUsing response surface methods to optimize this green nanofiltration process is an effective way of controlling

Keywords： gluconic acid     optimized nanofiltration     green processing     process intensification    

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Effect of concrete creep and shrinkage on tall hybrid-structures and its countermeasures

Pusheng SHEN, Hui FANG, Xinhong XIA

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 234-239 doi: 10.1007/s11709-009-0020-7

Abstract: This paper aims to study the different vertical displacements in tall hybrid-structures and the correspondingFirst, the method to calculate the different vertical displacements in tall hybrid-structures is presentedThis method takes into account the effects of construction process by applying loads sequentially storythe sample calculation, the measures to effectively reduce the different vertical displacements in hybrid-structuressimple and practical in the calculation of different vertical displacements in tall and super-tall hybrid-structures

Keywords： creep     shrinkage     construction process     hybrid-structure    

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Evaluation of factors influencing soluble microbial product in submerged MBR through hybrid ASM model

Fangyue LI, Joachim BEHRENDT, Knut WICHMANN, Ralf OTTERPOHL

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 226-235 doi: 10.1007/s11783-009-0008-5

Abstract: model was established to predict the formation of the soluble microbial product (SMP) in a submerged membraneminimize operating costs; the optimal SRT can be controlled to 10-15 d to achieve complete nitrification process, less membrane fouling potential, and acceptable organic removal efficiency.

Keywords： hybrid activated sludge model (ASM)     membrane bioreactor (MBR)     soluble microbial product (SMP)    

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Techno-economic characteristics of wastewater treatment plants retrofitted from the conventional activated sludge processto the membrane bioreactor process

Frontiers of Environmental Science & Engineering doi: 10.1007/s11783-021-1483-6

Abstract: wastewater treatment plants (WWTPs) are being retrofitted from the conventional activated sludge (CAS) processto the membrane bioreactor (MBR) process, the debate on the techno-economy of MBR vs.

Keywords： Membrane bioreactor (MBR)     Conventional activated sludge (CAS)     Cost-benefit analysis     Data envelopment    

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Title Author Date Type Operation

A hybrid membrane process for simultaneous thickening and digestion of waste activated sludge

Zhiwei WANG, Qiaoying WANG, Zhichao WU, Xinhua WANG,

Journal Article

Pressure swing adsorption/membrane hybrid processes for hydrogen purification with a high recovery

Baojun Li,Gaohong He,Xiaobin Jiang,Yan Dai,Xuehua Ruan

Journal Article

Progress in membrane distillation crystallization: Process models, crystallization control and innovative

Xiaobin Jiang, Linghan Tuo, Dapeng Lu, Baohong Hou, Wei Chen, Gaohong He

Journal Article

Removal of organic matter and disinfection by-products precursors in a hybrid process combining ozonationwith ceramic membrane ultrafiltration

Xiaojiang FAN,Yi TAO,Dequan WEI,Xihui ZHANG,Ying LEI,Hiroshi NOGUCHI

Journal Article

Nanofiltration for separation and purification of saccharides from biomass

Xianhui Li, Sheng Tan, Jianquan Luo, Manuel Pinelo

Journal Article

Synthesis of novel magneto-hybrid polyoxometalate composite membrane with simultaneous photocatalytic

Journal Article

Diffusion process in enzyme–metal hybrid catalysts

Journal Article

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

Journal Article

Membrane bioreactors for hospital wastewater treatment: recent advancements in membranes and processes

Journal Article

A critical review on thermodynamic mechanisms of membrane fouling in membrane-based water treatment process

Journal Article

Integration of molecular dynamic simulation and free volume theory for modeling membrane VOC/gas separation

Bo Chen, Yan Dai, Xuehua Ruan, Yuan Xi, Gaohong He

Journal Article

Purification and concentration of gluconic acid from an integrated fermentation and membrane process

Parimal Pal, Ramesh Kumar, Subhamay Banerjee

Journal Article

Effect of concrete creep and shrinkage on tall hybrid-structures and its countermeasures

Pusheng SHEN, Hui FANG, Xinhong XIA

Journal Article

Evaluation of factors influencing soluble microbial product in submerged MBR through hybrid ASM model

Fangyue LI, Joachim BEHRENDT, Knut WICHMANN, Ralf OTTERPOHL

Journal Article

Techno-economic characteristics of wastewater treatment plants retrofitted from the conventional activated sludge processto the membrane bioreactor process

Journal Article