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A logic-based controller for the mitigation of ventilation air methane in a catalytic flow reversal reactor

Zhikai LI, Zhangfeng QIN, Yagang ZHANG, Zhiwei WU, Hui WANG, Shuna LI, Mei DONG, Weibin FAN, Jianguo WANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 347-356 doi: 10.1007/s11705-013-1347-0

Abstract: The control system of a catalytic flow reversal reactor (CFRR) for the mitigation of ventilation airIn contrast, the reactor is prone to lose control by adjusting the switching time solely.Lowering the reference temperature for flow reversal can decrease the bed temperature and benefit stable

Keywords： ventilation air methane     reverse flow reactor     lean methane combustion     logic-based controller     mathematical    

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Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 428-434 doi: 10.1007/s11708-007-0062-6

Abstract: Experiments were performed to investigate the differences between the propane/air turbulent diffusion reactive flows past bluff-body and the propane/humid air turbulent diffusion reactive flows in the same conditions. The velocity

Keywords： propane/humid     propane/air turbulent     bluff-body     turbulent diffusion    

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Nitrogen removal performance of municipal reverse osmosis concentrate with low C/N ratio by membrane-aeratedbiofilm reactor

Xiao Quan, Kai Huang, Mei Li, Meichao Lan, Baoan Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1047-6

Abstract:

MABR exhibits excellent TN removal performance for treating ROC with low C/N ratio.

Operating conditions should be properly controlled to achieve optimal TN removal.

Denitrifying bacteria and NOB are proved notably inhibited by high salinity stress.

The TN removal rate remains over 70% when the NaCl addition amount is below 20 g/L.

Keywords： Membrane-aerated biofilm reactor (MABR)     Salinity     Total nitrogen     Reverse osmosis concentrate    

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Experimental study of critical flow of water at supercritical pressure

Yuzhou CHEN, Chunsheng YANG, Shuming ZHANG, Minfu ZHAO, Kaiwen DU, Xu CHENG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 175-180 doi: 10.1007/s11708-009-0029-6

Abstract: Experimental studies of the critical flow of water were conducted under steady-state conditions withThe parametric trend of the flow rate was investigated, and the experimental data were compared withpredictions of the homogeneous equilibrium model, the Bernoulli correlation, and the models used in the reactor

Keywords： critical flow     supercritical water-cooled reactor(SCWR)     reactor safety     loss of coolant accident(LOCA)    

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Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 687-699 doi: 10.1007/s11708-021-0773-9

Abstract: In this paper, based on the mixture flow model, an optimized six-flux model is first established andapplied to the tubular solar photocatalytic reactor.Parameters influencing photocatalyst distribution and radiation distribution at the reactor outlet, vizIt is found that, at the outlet of the reactor, the optimized six-flux model has better performances

Keywords： photocatalytic hydrogen photoreactor     nume- rical simulation     solar energy     flow model     radiation model    

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CFD simulation of the hydrodynamics in an internal air-lift reactor with two different configurations

Mona EBRAHIMIFAKHAR, Elmira MOHSENZADEH, Sadegh MORADI, Mostafa MORAVEJI, Mahmoud SALIMI

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 455-462 doi: 10.1007/s11705-011-1116-x

Abstract: The model was used to predict the effect of the reactor geometry on the reactor hydrodynamics.A two-phase flow model provided by the bubbly flow application mode was employed in this project.

Keywords： airlift reactor     gas holdup     liquid circulation velocity     bubbly flow     computational fluid dynamics (CFD)    

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Enhanced methane recovery and exoelectrogen-methanogen evolution from low-strength wastewater in an up-flowbiofilm reactor with conductive granular graphite fillers

Zechong Guo, Lei Gao, Ling Wang, Wenzong Liu, Aijie Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1074-3

Abstract: listitem>

Conductive fillers accelerated the start-up stage of anaerobic biofilm reactor

Keywords： Low-strength wastewater     Methane production     Conductive filler     Microbial community structure    

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Highly hydrophobic oil−water separation membrane: reutilization of waste reverse osmosis membrane

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1606-1615 doi: 10.1007/s11705-022-2200-0

Abstract: increasing applications of seawater desalination technology have led to the wide usage of polyamide reverseosmosis membranes, resulting in a large number of wasted reverse osmosis membranes.In this work, the base nonwoven layer of the wasted reverse osmosis membrane was successfully modifiedThis work might provide a new avenue for recycling the wasted reverse osmosis membrane used in oily wastewater

Keywords： oil–water separation     wasted reverse osmosis membrane     hydrophobic modification    

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Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 731-745 doi: 10.1007/s11709-020-0614-7

Abstract: Dip-slip surface faulting in reverse mechanism of 60-degree is modeled by a fault simulator box in aAccording to the observations, the modeled tunnels are vulnerable to reverse fault rupture and but the

Keywords： reverse fault rupture     continuous tunnel     geotechnical centrifuge     ground surface deformations     fragility    

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Self-healing polyamide reverse osmosis membranes with temperature-responsive intelligent nanocontainers

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1183-1195 doi: 10.1007/s11705-022-2287-3

Abstract: Improving the performance of reverse osmosis membranes remains great challenge to ensure excellent NaClnanocontainer has great potential as membrane-doping material for the targeted repair of polyamide reverse

Keywords： reverse osmosis     nanocontainer     self-healing     chlorine resistance     water permeability    

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Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 347-357 doi: 10.1007/s11705-022-2246-z

Abstract: Reverse-selective membranes have attracted considerable interest for bioethanol production.However, to date, the reverse-separation performance of ethanol/water is poor and the separation mechanismPristine graphene (PG) exhibits reverse-selective behavior with higher ethanol fluxes than water, resultingColor flow mappings show that this ethanol-permselective process is initiated by the presence of ethanol-enrichedThis study provides new insights into the reverse-selective mechanism of porous graphene membranes and

Keywords： reverse separation     graphene membrane     ethanol/water separation     molecular simulation    

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Tracing the impact of stack configuration on interface resistances in reverse electrodialysis by in situ

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1480-9

Abstract:

• RED performance and stack resistance were studied by EIS and LSV.

Keywords： Reverse electrodialysis     Electrochemical impedance spectroscopy     Concentration polarization     Spacer shadow    

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Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1497-0

Abstract:

• Nanoparticle incorporation and anti-biofouling grafting were integrated.

Keywords： Anti-biofouling grafting     Nanoparticle incorporation     Sterilization rates     Water flux     Water flux recovery    

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Efficient production of hydrogen peroxide in microbial reverse-electrodialysis cells coupled with thermolytic

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1708-y

Abstract:

● Appreciable H2O2 production rate was achieved in MRCs utilizing NH4HCO3 solutions.

Keywords： Microbial reverse-electrodialysis cell     Hydrogen peroxide production     Ammonium bicarbonate     Electrolysis    

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Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 564-591 doi: 10.1007/s11705-021-2109-z

Abstract: Polyamide thin film composite membranes have dominated current reverse osmosis market on account of their

Keywords： reverse osmosis     polyamide     thin film composite membranes     chlorine resistance     surface modification    

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Title Author Date Type Operation

A logic-based controller for the mitigation of ventilation air methane in a catalytic flow reversal reactor

Zhikai LI, Zhangfeng QIN, Yagang ZHANG, Zhiwei WU, Hui WANG, Shuna LI, Mei DONG, Weibin FAN, Jianguo WANG

Journal Article

Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Journal Article

Nitrogen removal performance of municipal reverse osmosis concentrate with low C/N ratio by membrane-aeratedbiofilm reactor

Xiao Quan, Kai Huang, Mei Li, Meichao Lan, Baoan Li

Journal Article

Experimental study of critical flow of water at supercritical pressure

Yuzhou CHEN, Chunsheng YANG, Shuming ZHANG, Minfu ZHAO, Kaiwen DU, Xu CHENG

Journal Article

Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Journal Article

CFD simulation of the hydrodynamics in an internal air-lift reactor with two different configurations

Mona EBRAHIMIFAKHAR, Elmira MOHSENZADEH, Sadegh MORADI, Mostafa MORAVEJI, Mahmoud SALIMI

Journal Article

Enhanced methane recovery and exoelectrogen-methanogen evolution from low-strength wastewater in an up-flowbiofilm reactor with conductive granular graphite fillers

Zechong Guo, Lei Gao, Ling Wang, Wenzong Liu, Aijie Wang

Journal Article

Highly hydrophobic oil−water separation membrane: reutilization of waste reverse osmosis membrane

Journal Article

Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Journal Article

Self-healing polyamide reverse osmosis membranes with temperature-responsive intelligent nanocontainers

Journal Article

Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Journal Article

Tracing the impact of stack configuration on interface resistances in reverse electrodialysis by in situ

Journal Article

Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for

Journal Article

Efficient production of hydrogen peroxide in microbial reverse-electrodialysis cells coupled with thermolytic

Journal Article

Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Journal Article