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Numerical modeling and performance evaluation of passive convergence-permeable reactive barrier (PC-PRB

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1731-z

Abstract:

● A 2D finite-element solute transport model, PRB-Trans, is developed.

Keywords： Passive convergence-permeable reactive barrier     Numerical modeling     Hydraulic behavior assessment     Pollutant    

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Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1591-y

Abstract:

● A novel PRB configuration based on passive convergent flow effect

Keywords： Passive convergence-permeable reactive barrier (PC-PRB)     Permeable reactive barrier configuration     Numerical    

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Nitrobenzene contamination of groundwater in a petrochemical industry site

Yongsheng Zhao, Lin Lin, Mei Hong

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1107-6

Abstract:

The contaminant transport distance is predicted using numerical model.

Zero-valent iron can be used to effectively transform nitrobenzene to aniline.

Experiment shows that two-layer PRB systems have a very good treatment effect.

Keywords： Nitrobenzene     Benzene     Groundwater     Zero-valent iron     Permeable reactive barrier    

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Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 471-476 doi: 10.1007/s11705-011-1130-z

Abstract: The magnetohydrodynamic (MHD) boundary layer slip flow and solute transfer over a porous plate in the presence of a chemical reaction are investigated. The governing equations were transformed into self-similar ordinary differential equations by adopting the similarity transformation technique. Then the numerical solutions are obtained by a shooting technique using the fourth order Runge-Kutta method. The study reveals that due to the increase in the boundary slip, the concentration decreases and the velocity increases. On the other hand, with an increase in the magnetic field and mass suction, both boundary layer thicknesses decreased. As the Schmidt number and the reaction rate parameter increases, the concentration decreases and the mass transfer increases.

Keywords： slip flow     MHD boundary layer     reactive solute diffusion     flat plate     suction/injection    

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Discussions and practice of pressurized water injection for ultra low permeability oilfield

Zhang Hongliang

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 62-64

Abstract: injection completion, effective waterflood drive and significant production improvement was achieved.Use of passive

Keywords： pressurized waterflood     passive microseismic     ultra low permeable oilfield     affected coefficient     effective    

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Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1462-1475 doi: 10.1007/s11709-020-0674-8

Abstract: of centrifuge experiments and numerical analyses on a 55° inclined unsaturated sandy slope with less permeableIt is observed that a less permeable, stronger silty sand layer in an otherwise homogeneous sandy soilThe factor of safety of a non-homogeneous, unsaturated soil slope decreases because of the less permeableIt decreases significantly if this less permeable, stronger soil layer is located near the toe of the

Keywords： non-homogeneous slope     stronger soil layer     factor of safety     centrifuge model test     unsaturated soils    

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Application of microseismic mapping in the study of low permeable oilfield fracturing——taking the low

Zhao Yuwu,Qu Yingxin, Xiong Wenping

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 34-39

Abstract: After brief description of principles of passive microseismic monitoring, this paper analyzes resultsField application asserts that microseismic monitoring has good prospects in fracturing studies of low permeableoilfield, and is great importance to improve recovery of low permeable oilfield.

Keywords： passive microseismic     fracture     waterflood front     waterflooding extraction    

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Reliability mesh convergence analysis by introducing expanded control variates

Alireza GHAVIDEL, Mohsen RASHKI, Hamed GHOHANI ARAB, Mehdi AZHDARY MOGHADDAM

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 1012-1023 doi: 10.1007/s11709-020-0631-6

Abstract: ACVAT however does not provide any results about the reliability-based mesh convergence of the problemACVAT is improved and the capabilities of the method are also extended for efficient reliability mesh convergence

Keywords： finite element     reliability mesh convergence analysis     expanded control variates    

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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 studiedand illustrated for plenty of reactive mixtures over the past three decades.These design and optimization methods of the reactive distillation process are classified into three

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

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Moisture diffusion behavior of permeable fiber-reinforced polymer composite

Jianjiang YANG, Qingsheng YANG, Lianhua MA, Wei LIU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 347-352 doi: 10.1007/s11465-010-0093-y

Abstract: The permeable fibers distributed in the matrix are taken as inclusion phases in the system.

Keywords： fiber-reinforced biopolymer     effective diffusion coefficient     unit cell     finite element modeling (FEM)    

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Mechanistic insight into the biofilm formation and process performance of a passive aeration ditch (PAD

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1494-3

Abstract:

• A Passive Aeration Ditch was developed to treat decentralized wastewater

Keywords： Decentralized wastewater     Passive aeration ditch     Biofilm formation     C/N ratio     Salinity     Model simulation    

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Hydrogen production from methanol through dielectric barrier discharge

Baowei WANG, Xu ZHANG, Haiying BAI, Yijun Lü, Shuanghui HU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 209-214 doi: 10.1007/s11705-010-1018-3

Abstract: In this paper, methanol reforming to produce H through dielectric-barrier discharge (DBD) plasma reaction

Keywords： methanol     dielectric-barrier discharge     hydrogen     plasma    

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Convergence of OT and IT for Internet Plus

Hong Xuehai, Cai Di

Strategic Study of CAE 2020, Volume 22, Issue 4,   Pages 18-23 doi: 10.15302/J-SSCAE-2020.04.015

Abstract:

The convergence of operational technology (OT) and information technologyThis study analyzes the demands for the convergence of OT and IT and summarizes the convergence statusIt also proposes the technical paths for OT and IT convergence, including establishing a full set ofChina’s Internet Plus initiative in industrial manufacturing, the standardization of OT and IT convergence

Keywords： Internet Plus     operational technology     information technology     technology convergence    

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Degradation of metronidazole by dielectric barrier discharge in an aqueous solution

Zhipeng Yang, Anxing Lai, Hangyu Chen, Youxiang Yan, Ye Yang, Weiwei Zhang, Lei Wang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1117-4

Abstract:

The discharge characteristics during the degradation of MNZ by DBD were investigated.

Increasing the discharge frequency can promote the degradation of MNZ.

MNZ removal reaches 99.1% at the initial concentration of 40 ppm within 120 min.

Coexisting organic matter inhibits the degradation of MNZ.

The energy efficiency of DBD for MNZ removal is higher than other technologies.

Keywords： Dielectric barrier discharge     Antibiotic     Metronidazole     Water treatment    

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Parametric control of structural responses using an optimal passive tuned mass damper under stationary

Min-Ho CHEY, Jae-Ung KIM

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 267-280 doi: 10.1007/s11709-012-0170-x

Abstract: In this study, the structural control strategy utilizing a passive tuned mass damper (TMD) system as

Keywords： tuned mass damper     parametric optimization     passive control     white noise     earthquake excitation    

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Title Author Date Type Operation

Numerical modeling and performance evaluation of passive convergence-permeable reactive barrier (PC-PRB

Journal Article

Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Journal Article

Nitrobenzene contamination of groundwater in a petrochemical industry site

Yongsheng Zhao, Lin Lin, Mei Hong

Journal Article

Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Journal Article

Discussions and practice of pressurized water injection for ultra low permeability oilfield

Zhang Hongliang

Journal Article

Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Journal Article

Application of microseismic mapping in the study of low permeable oilfield fracturing——taking the low

Zhao Yuwu,Qu Yingxin, Xiong Wenping

Journal Article

Reliability mesh convergence analysis by introducing expanded control variates

Alireza GHAVIDEL, Mohsen RASHKI, Hamed GHOHANI ARAB, Mehdi AZHDARY MOGHADDAM

Journal Article

Design and optimization of reactive distillation: a review

Journal Article

Moisture diffusion behavior of permeable fiber-reinforced polymer composite

Jianjiang YANG, Qingsheng YANG, Lianhua MA, Wei LIU,

Journal Article

Mechanistic insight into the biofilm formation and process performance of a passive aeration ditch (PAD

Journal Article

Hydrogen production from methanol through dielectric barrier discharge

Baowei WANG, Xu ZHANG, Haiying BAI, Yijun Lü, Shuanghui HU

Journal Article

Convergence of OT and IT for Internet Plus

Hong Xuehai, Cai Di

Journal Article

Degradation of metronidazole by dielectric barrier discharge in an aqueous solution

Zhipeng Yang, Anxing Lai, Hangyu Chen, Youxiang Yan, Ye Yang, Weiwei Zhang, Lei Wang

Journal Article

Parametric control of structural responses using an optimal passive tuned mass damper under stationary

Min-Ho CHEY, Jae-Ung KIM

Journal Article