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Characterization of particle deposition during crossflow filtration as influenced by permeate flux andcrossflow velocity using a microfluidic filtration system

Hongzhan Di, Gregory J. O. Martin, Dave E. Dunstan

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 552-561 doi: 10.1007/s11705-020-1962-5

Abstract: Particle deposition during crossflow filtration is significantly influenced by the operating conditionsThis study uses a microfluidic visualisation filtration system to examine the influence of operatingan empirical correlation between the deposition probability and volume of deposition as function of filtrationThis could be useful for predicting the dynamic deposition process during crossflow filtration over a

Keywords： particle deposition     crossflow filtration     microfluidics     confocal microscopy    

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Removal of virus aerosols by the combination of filtration and UV-C irradiation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1627-y

Abstract:

● The removal of virus aerosols by filtration and UV-C irradiation

Keywords： Filtration system     UV-C irradiation     Virus aerosol     Public health     COVID-19    

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Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1531-x

Abstract:

• Ceramic membrane filtration showed high performance for surface water

Keywords： Ceramic membrane     Coagulation     Polytitanium chloride     Membrane fouling    

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Membrane fouling control by ultrasound in an anaerobic membrane bioreactor

SUI Pengzhe, WEN Xianghua, HUANG Xia

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 362-367 doi: 10.1007/s11783-007-0062-9

Abstract: The experimental results showed that the membrane fouling was controlled so well that membrane filtration

Keywords： membrane filtration     filtration resistance     different     feasible ultrasonic     anaerobic membrane    

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and computational assessment of 1,4-Dioxane degradation in a photo-Fenton reactive ceramic membrane filtration

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1341-y

Abstract:

• 1,4-Dioxane was degraded via the photo-Fenton reactive membrane filtration

Keywords： Photo-Fenton     Ceramic membrane     1     4-Dioxane     Goethite    

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One-Step Reverse Osmosis Based on Riverbank Filtration for Future Drinking Water Purification Perspective

Yujia Zhai, Gang Liu, Walter G.J. van der Meer

Engineering 2022, Volume 9, Issue 2,   Pages 27-34 doi: 10.1016/j.eng.2021.02.015

Abstract: This article introduces a one-step reverse osmosis (OSRO) concept consisting of riverbank filtrationArtificial bank filtration (ABF), which functions as an artificial recharge in combination with a sandfiltration system, is proposed as an alternative for RBF in the OSRO concept to supply drinking water

Keywords： Drinking water treatment     River bank filtration     Reverse osmosis     Artificial bank filtration     Water reclamation    

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Study on indepth filtration mechanism and characteristicsof the long fiber efficient filter

Wang Shihe,Zhou Fei ,Yan Lu

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 43-47

Abstract: style="text-align: justify;">Through long- time filtering experiment in water treatment plant, indepth filtration

Keywords： long fiber efficient filter     indepth filtration     mechanism    

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various types of 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors on changes in glomerular filtration

Seo Yeon Baik, Hyunah Kim, So Jung Yang, Tong Min Kim, Seung-Hwan Lee, Jae Hyoung Cho, Hyunyong Lee, Hyeon Woo Yim, Kun-Ho Yoon, Hun-Sung Kim

Frontiers of Medicine 2019, Volume 13, Issue 6,   Pages 713-722 doi: 10.1007/s11684-018-0661-9

Abstract: We compared the long-term effects of statin intensity and type on the changes in the glomerular filtration

Keywords： statin     glomerular filtration rate     HMG-CoA reductase inhibitor     chronic kidney disease    

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Application of ultra-sonication, acid precipitation and membrane filtration for co-recovery of protein

Liangliang WEI,Kun WANG,Xiangjuan KONG,Guangyi LIU,Shuang CUI,Qingliang ZHAO,Fuyi CUI

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 327-335 doi: 10.1007/s11783-014-0763-9

Abstract: processes of ultra-sonication and acid precipitation, and then the humic acid was recovered via membrane filtration

Keywords： sewage sludge     co-recovery     proteins     humic acid     recycling     biodegradation rate    

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G-CNTs/PVDF mixed matrix membranes with improved antifouling properties and filtration performance

Xiaoyan Guo, Chunyu Li, Chenghao Li, Tingting Wei, Lin Tong, Huaiqi Shao, Qixing Zhou, Lan Wang, Yuan Liao

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1165-9

Abstract:

A novel nanocomposite OMWCNT-A-GO was synthesized by conjugating OMWCNT and GO.

The P-OMWCNT-A-GO membrane was fabricated by non-solvent induced phase inversion.

The P-OMWCNT-A-GO exhibits the best water flux, BSA rejection and flux recovery.

It should be due to the enhanced membrane pore size, porosity and hydrophilicity.

Keywords： carbon nanotubes     graphene oxide     mixed matrix membrane     nanohybrid     antifouling membrane     membrane hydrophilicity    

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Removal efficiencies of natural and synthetic progesterones in hospital wastewater treated by different disinfection processes

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1558-z

Abstract:

● The concentrations of 61 progesterones in HWW, PFTE, SBTE were evaluated.

Keywords： Progesterones     Hospital wastewater     Primary filtration treatment effluent     Secondary biological treatment    

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exopolymer particles (TEPs)-associated protobiofilm: A neglected contributor to biofouling during membrane filtration

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1361-7

Abstract:

• Bacteria could easily and quickly attached onto TEP to form protobiofilms.

Keywords： Transparent exopolymer particles (TEPs)     TEP-protobiofilm     Bacteria attachment     Biofouling of membrane    

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What have we known so far about microplastics in drinking water treatment? A timely review

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-021-1492-5

Abstract:

• 23 available research articles on MPs in drinking water treatment are reviewed.

Keywords： Microplastics     Drinking water treatment     Coagulation     Flocculation     Membrane     Filtration    

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Migration of manganese and iron during the adsorption-regeneration cycles for arsenic removal

Fangfang CHANG, Jiuhui QU, Xu ZHAO, Wenjun LIU, Kun WU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 512-518 doi: 10.1007/s11783-011-0372-9

Abstract: Fe-Mn binary oxide incorporated into porous diatomite (FMBO-diatomite) was prepared in situ and regenerated in a fixed-bed column for arsenite [As(III)] and arsenate [As(V)] removal. Four consecutive adsorption cycles were operated under the following conditions: Initial arsenic concentration of 0.1 mg·L , empty bed contact time of 5 min, and pH 7.0. About 3000, 3300, 3800, and 4500 bed volumes of eligible effluent (arsenic concentration≤0.01 mg·L ) were obtained in four As(III) adsorption cycles; while about 2000, 2300, 2500, and 3100 bed volumes of eligible effluent were obtained in four As(V) adsorption cycles. The dissection results of FMBO-diatomite fixed-bed exhibited that small amounts of manganese and iron were transferred from the top of the fixed-bed to the bottom of the fixed-bed during As(III) removal process. Compared to the extremely low concentration of iron (<0.01 mg·L ), the fluctuation concentration of Mn in effluent of the As(III) removal column was in a range of 0.01–0.08 mg·L . The release of manganese suggested that manganese oxides played an important role in As(III) oxidation. Determined with the US EPA toxicity characteristic leaching procedure (TCLP), the leaching risk of As(III) on exhausted FMBO-diatomite was lower than that of As(V).

Keywords： arsenic     adsorption     filtration     regeneration     fixed-bed    

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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. During one cycle (15 d) of operation under a hydraulic retention time of 1 d, the concentration of mixed liquor suspended solids (MLSS) continuously increased from about 4 g·L to 34 g·L, and the mixed liquor volatile suspended solids (MLVSS) increased from about 3 g·L to over 22 g·L. About 42% of the MLVSS and 39% of the MLSS reduction were achieved. The thickening and digestion effects in the MSTD were further analyzed based on a mass balance analysis. Test results showed that biopolymers and cations of biomass were gradually released to the bulk solution during the process. It was also found that the capillary suction time, colloidal chemical oxygen demand, soluble microbial products, viscosity, and MLSS had significant positive correlations with the membrane fouling rate, whereas extracellular polymeric substances, polysaccharides, and proteins extracted from biomass had negative impacts on membrane fouling.

Keywords： membrane filtration     sludge digestion     sludge thickening     waste activated sludge    

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Title Author Date Type Operation

Characterization of particle deposition during crossflow filtration as influenced by permeate flux andcrossflow velocity using a microfluidic filtration system

Hongzhan Di, Gregory J. O. Martin, Dave E. Dunstan

Journal Article

Removal of virus aerosols by the combination of filtration and UV-C irradiation

Journal Article

Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Journal Article

Membrane fouling control by ultrasound in an anaerobic membrane bioreactor

SUI Pengzhe, WEN Xianghua, HUANG Xia

Journal Article

and computational assessment of 1,4-Dioxane degradation in a photo-Fenton reactive ceramic membrane filtration

Journal Article

One-Step Reverse Osmosis Based on Riverbank Filtration for Future Drinking Water Purification

Yujia Zhai, Gang Liu, Walter G.J. van der Meer

Journal Article

Study on indepth filtration mechanism and characteristicsof the long fiber efficient filter

Wang Shihe,Zhou Fei ,Yan Lu

Journal Article

various types of 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors on changes in glomerular filtration

Seo Yeon Baik, Hyunah Kim, So Jung Yang, Tong Min Kim, Seung-Hwan Lee, Jae Hyoung Cho, Hyunyong Lee, Hyeon Woo Yim, Kun-Ho Yoon, Hun-Sung Kim

Journal Article

Application of ultra-sonication, acid precipitation and membrane filtration for co-recovery of protein

Liangliang WEI,Kun WANG,Xiangjuan KONG,Guangyi LIU,Shuang CUI,Qingliang ZHAO,Fuyi CUI

Journal Article

G-CNTs/PVDF mixed matrix membranes with improved antifouling properties and filtration performance

Xiaoyan Guo, Chunyu Li, Chenghao Li, Tingting Wei, Lin Tong, Huaiqi Shao, Qixing Zhou, Lan Wang, Yuan Liao

Journal Article

Removal efficiencies of natural and synthetic progesterones in hospital wastewater treated by different disinfection processes

Journal Article

exopolymer particles (TEPs)-associated protobiofilm: A neglected contributor to biofouling during membrane filtration

Journal Article

What have we known so far about microplastics in drinking water treatment? A timely review

Journal Article

Migration of manganese and iron during the adsorption-regeneration cycles for arsenic removal

Fangfang CHANG, Jiuhui QU, Xu ZHAO, Wenjun LIU, Kun WU

Journal Article

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

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

Journal Article