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Facile fabrication of dolomite-doped biochar/bentonite for effective removal of phosphate from complex wastewaters

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1671-7

Abstract:

● Dolomite-doped biochar/bentonite was synthesized for phosphate removal.

Keywords： Biochar-bentonite composite     Dolomite doping     Phosphate adsorption     Polymeric matrix membrane     Adsorption-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: Four consecutive adsorption cycles were operated under the following conditions: Initial arsenic concentration4500 bed volumes of eligible effluent (arsenic concentration≤0.01 mg·L ) were obtained in four As(III) adsorptionwhile about 2000, 2300, 2500, and 3100 bed volumes of eligible effluent were obtained in four As(V) adsorption

Keywords： arsenic     adsorption     filtration     regeneration     fixed-bed    

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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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The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter paper with multi-layered Prussian blue decoration

Frontiers of Chemical Science and Engineering doi: 10.1007/s11705-023-2379-8

Abstract: Thallium is a highly toxic metal, and trace amount of thallium(I) (Tl+) in potable water could cause a severe water crisis, which arouses the exploitation of highly-effective technology for purification of Tl+ contaminated water. This report proposes the multi-layered Prussian blue (PB)-decorated composite membranes (PBx@PDA/PEI-FP) based on the aminated filter papers for Tl+ uptake. Extensively characterization by Fourier transform infrared spectrometer-attenuated total reflectance, scanning electron microscope, thermogravimetric analysis, X-ray photoelectron spectroscopy and X-ray diffraction were performed to confirm the in situ growth of cubic PB crystals on filter paper membrane surfaces via the aminated layers, and the successful fabrication of multi-layered PB overcoats via the increasing of aminated layers. The effect of PB layers on Tl+ removal by PBx@PDA/PEI-FP from simulated drinking water was evaluated as well as the influence of different experimental conditions. A trade-off between PB decoration layer number and PB distribution sizes is existed in Tl+ uptake by PBx@PDA/PEI-FP. The double-layered PB2@PDA/PEI-FP membrane showed the maximum sorption capacity, but its Tl+ uptake performance was weakened by the acid, coexisting ions (K+ and Na+) and powerful operation pressure, during filtrating a large volume of low-concentrated Tl+-containing water. However, the negative effect of coexisting ions on the Tl+ uptake could be effectively eliminated in weak alkaline water, and the Tl+ removal was increased up to 100% without any pressure driving for PB2@PDA/PEI-FP membrane. Most importantly, PB2@PDA/PEI-FP displayed the high-efficiency and high-selectivity in purifying the Tl+-spiked Pearl River water, in which the residual Tl+ in filtrate was less than 2 μg·L–1 to meet the drinking water standard of United States Environmental Protection Agency. This work provides a feasible avenue to safeguard the drinking water in remote and underdeveloped area via the energy-free operation.

Keywords： membrane adsorption     Prussian blue     energy-free filtration     potable water     trace thallium(I)    

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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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Occurrence of bisphenol A in surface and drinking waters and its physicochemical removal technologies

Liping LIANG,Jing ZHANG,Pian FENG,Cong LI,Yuying HUANG,Bingzhi DONG,Lina LI,Xiaohong GUAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 16-38 doi: 10.1007/s11783-014-0697-2

Abstract: technology options in eliminating BPA can be divided into four categories: oxidation, advanced oxidation, adsorptionand membrane filtration.Without formation of harmful by-products, physical separation methods such as activated carbon adsorptionremoval efficiency when the membrane became saturated may limit the application of activated carbon adsorptionHybrid processes, e.g. combining adsorption and biologic process or combining membrane and oxidation

Keywords： Bisphenol A (BPA)     occurrence     conventional oxidation     advanced oxidation     adsorption     membrane filtration    

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Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 638-648 doi: 10.1007/s11783-012-0442-7

Abstract: Control of rainfall-runoff particulate matter (PM) and PM-bound chemical loads is challenging; in part due to the wide gradation of PM complex geometries of many unit operations and variable flow rates. Such challenges and the expense associated with resolving such challenges have led to the relatively common examination of a spectrum of unit operations and processes. This study applies the principles of computational fluid dynamics (CFD) to predict the particle and pollutant clarification behavior of these systems subject to dilute multiphase flows, typical of rainfall-runoff, within computationally reasonable limits, to a scientifically acceptable degree of accuracy. The Navier-Stokes (NS) system of nonlinear partial differential equations for multi-phase hydrodynamics and separation of entrained particles are solved numerically over the unit operation control volume with the boundary and initial conditions defined and then solved numerically until the desired convergence criteria are met. Flow rates examined are scaled based on sizing of common unit operations such as hydrodynamic separators (HS), wet basins, or filters, and are examined from 1 to 100 percent of the system maximum hydraulic operating flow rate. A standard turbulence model is used to resolve flow, and a discrete phase model (DPM) is utilized to examine the particle clarification response. CFD results closely follow physical model results across the entire range of flow rates. Post-processing the CFD predictions provides an in-depth insight into the mechanistic behavior of unit operations by means of three dimensional (3-D) hydraulic profiles and particle trajectories. Results demonstrate the role of scour in the rapid degradation of unit operations that are not maintained. Comparisons are provided between measured and CFD modeled results and a mass balance error is identified. CFD is arguably the most powerful tool available for our profession since continuous simulation modeling.

Keywords： stormwater     unit operations and processes (UOPs)     hydrodynamic separation     filtration     adsorption     computational    

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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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Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1707-z

Abstract:

● EPS immobilizes U(VI) via adsorption, bioreduction and desorption

Keywords： Adsorption     Bioreduction     Desorption     Kinetics     Isotherm     Uranium    

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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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Title Author Date Type Operation

Facile fabrication of dolomite-doped biochar/bentonite for effective removal of phosphate from complex wastewaters

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

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

The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter paper with multi-layered Prussian blue decoration

Journal Article

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

Journal Article

Occurrence of bisphenol A in surface and drinking waters and its physicochemical removal technologies

Liping LIANG,Jing ZHANG,Pian FENG,Cong LI,Yuying HUANG,Bingzhi DONG,Lina LI,Xiaohong GUAN

Journal Article

Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

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

Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

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