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Comparison of membrane fouling in ultrafiltration of down-flow and up-flow biological activated carbon

Lu Ao, Wenjun Liu, Yang Qiao, Cuiping Li, Xiaomao Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1046-7

Abstract:

The UF membrane fouling by down- and up-flow BAC effluents were compared

Up-flow BAC effluent fouled the membrane faster

Keywords： Ultrafiltration     Membrane fouling     Down-flow biological activated carbon     Up-flow biological activated carbon    

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Behavior of aqueous stable colloidal nano-C

Jing HUO,Ye YU,Ling GE,Bo ZHANG,Yiliang HE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 197-205 doi: 10.1007/s11783-014-0624-6

Abstract: C , as one of carbon nanomaterials widely used in various fields, could be released into the water environment thus exerting some potential health risks to human beings. This work examined the behavior of aqueous stable colloidal nano-C (nC ) aggregates under different environmental conditions including Polyethylene glycol octylphenol ether (TX100) micelles concentration, pH, and reaction time when exposed to TX100 micelles. Results show that the nC aggregates became more dispersive and restored the capability of generating the singlet oxygen when exposed to TX100 micelles. With the increase of TX100 concentration, smaller average size of nC aggregates was observed in dynamic light scattering (DLS) analysis, the fluorescence intensity of TX100 was more quenched by nC aggregates, and the kinetic rate constant of generating the singlet oxygen for nC aggregates was improved. The mean size of nC aggregates in the presence of TX100 had no obvious variations when the pH ranged from 4 to 8. The longer reaction time between nC aggregates and TX100 led to a higher kinetic rate constant of generating the singlet oxygen. Collective data suggest that variations in physicochemical properties of nC aggregates are strongly dependent on the surrounding media under different environmental conditions and directly govern nC ’s transport behavior and potential toxicity.

Keywords： nano-C60 (nC60) aggregates     photochemical reactivity     artificial biological membrane    

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Thermo-fluidic devices and materials inspired from mass and energy transport phenomena in biological

Jian XIAO , Jing LIU ,

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 47-59 doi: 10.1007/s11708-008-0068-4

Abstract: consists of one of the most significant physiological processes in nature, which guarantees many amazing biologicalBorrowing such idea, many state-of-the-art thermo-fluidic devices and materials such as artificial kidneysParticularly, these artificial thermo-fluidic devices and materials will be categorized into organ transplantationPotential approaches for innovating conventional technologies were discussed, corresponding biologicalIt is expected that many artificial devices based on biological mass and energy transport principle will

Keywords： bionics     mass transport     energy transport     artificial devices and materials     biology system     nature phenomena    

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The progress of biomimetic membrane

Zeng Yanjun,Zhang Lin,Chen Huanlin

Strategic Study of CAE 2014, Volume 16, Issue 7,   Pages 10-16

Abstract:

This review first presents the main two structures in cell membrane—the lipid bilayer and membrane proteins and the mechanism of the ultrafast water transportation .Itthen describles the three types of biomimetic membranes that apply membrane protein，carbon nanotubes(CNTs) and artificial channels as water channel respectively.；at the part of artificial channels what really important is the design method.

Keywords： cell membrane     aquaporin proteins     biomimetic     CNT     artificial water channel    

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Machinability of ultrasonic vibration-assisted micro-grinding in biological bone using nanolubricant

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0717-z

Abstract: These results showed that U-NJMC provides a novel approach for clinical surgical micro-grinding of biological

Keywords： micro-grinding     biological bone     ultrasonic vibration (UV)     nanoparticle jet mist cooling (NJMC)     grinding    

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Microorganism-derived biological macromolecules for tissue engineering

Frontiers of Medicine 2022, Volume 16, Issue 3,   Pages 358-377 doi: 10.1007/s11684-021-0903-0

Abstract: According to literature, certain microorganism productions mediate biological effects.The present review aims to introduce microorganism-derived biological macromolecules, such as pullulanGrowing evidence indicates that these materials can be used as biological material in scaffolds to enhance

Keywords： biological macromolecules     regenerative medicine     tissue engineering     exopolysaccharide     carbohydrate    

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Low intensity ultrasound stimulates biological activity of aerobic activated sludge

LIU Hong, YAN Yixin, WANG Wenyan, YU Yongyong

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 67-72 doi: 10.1007/s11783-007-0013-5

Abstract: This work aims to explore a procedure to improve biological wastewater treatment efficiency using low

Keywords： sonication     irradiation     kHz     treatment efficiency     AS activity    

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Biological conversion pathways of sulfate reduction ammonium oxidation in anammox consortia

Zhen Bi, Deqing Wanyan, Xiang Li, Yong Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-019-1217-1

Abstract: Thus, the hypothesis of biological conversion pathways of ammonium and sulfate in anammox consortia is

Keywords： Anammox bacteria     Autotrophic     Biological conversion     Sulfate reducing ammonium oxidation (SRAO)    

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New directions for artificial intelligence: human, machine, biological, and quantum intelligence Comment

Li WEIGANG,Liriam Michi ENAMOTO,Denise Leyi LI,Geraldo Pereira ROCHA FILHO

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6,   Pages 984-990 doi: 10.1631/FITEE.2100227

Abstract: Upon analyzing the current state of research in artificial intelligence (AI), we propose to divide AIinto the following basic theory categories: artificial human intelligence (AHI), artificial machineintelligence (AMI), artificial biological intelligence (ABI), and artificial quantum intelligence (AQIAI, and distinguished by the following classification standards and methods: (1) human-, machine-, biological

Keywords： 人工智能；机器学习；一次性学习；一瞥学习；量子计算    

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Overlooked nitrogen-cycling microorganisms in biological wastewater treatment

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1426-2

Abstract:

• AOA and comammox bacteria can be more abundant and active than AOB/NOB at WWTPs.

Keywords： Ammonia oxidizing archaea (AOA)     Complete ammonia oxidizing (comammox) bacteria     Dissimilatory nitrate reduction to ammonium (DNRA) bacteria     Nitrate/nitrite-dependent anaerobic methane oxidizing (NOx-DAMO) microorganisms     Engineering application    

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Mechanical behavior and semiempirical force model of aerospace aluminum alloy milling using nano biological

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0720-4

Abstract: Aerospace aluminum alloy is the most used structural material for rockets, aircraft, spacecraft, and space stations. The deterioration of surface integrity of dry machining and the insufficient heat transfer capacity of minimal quantity lubrication have become the bottleneck of lubrication and heat dissipation of aerospace aluminum alloy. However, the excellent thermal conductivity and tribological properties of nanofluids are expected to fill this gap. The traditional milling force models are mainly based on empirical models and finite element simulations, which are insufficient to guide industrial manufacturing. In this study, the milling force of the integral end milling cutter is deduced by force analysis of the milling cutter element and numerical simulation. The instantaneous milling force model of the integral end milling cutter is established under the condition of dry and nanofluid minimal quantity lubrication (NMQL) based on the dual mechanism of the shear effect on the rake face of the milling cutter and the plow cutting effect on the flank surface. A single factor experiment is designed to introduce NMQL and the milling feed factor into the instantaneous milling force coefficient. The average absolute errors in the prediction of milling forces for the NMQL are 13.3%, 2.3%, and 7.6% in the x-, y-, and z-direction, respectively. Compared with the milling forces obtained by dry milling, those by NMQL decrease by 21.4%, 17.7%, and 18.5% in the x-, y-, and z-direction, respectively.

Keywords： milling     force     nanofluid minimum quantity lubrication     aerospace aluminum alloy     nano biological lubricant    

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ROOT EXUDATES FROM CANOLA EXHIBIT BIOLOGICAL NITRIFICATION INHIBITION AND ARE EFFECTIVE IN INHIBITING

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 177-186 doi: 10.15302/J-FASE-2021421

Abstract: This biological nitrification inhibition (BNI) capacity can decrease N loss and increase N uptake from

Keywords： ammonia oxidizing microorganisms / biological nitrification inhibition / farming rotations / nitrogen    

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Quorum sensing regulation methods and their effects on biofilm in biological waste treatment systems:

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1495-2

Abstract:

• Quorum sensing enhancement and inhibition methods are summarized.

Keywords： Quorum sensing     Biological waste treatment     Biofilm formation    

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Inhibition character of crotonaldehyde manufacture wastewater on biological acidification

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1403-9

Abstract:

• The inhibition of the main organic pollutions in CMW was demonstrated.

Keywords： Crotonaldehyde manufacture wastewater     Biological acidification     Volatile fatty acids     Inhibition     Toxic    

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Title Author Date Type Operation

Comparison of membrane fouling in ultrafiltration of down-flow and up-flow biological activated carbon

Lu Ao, Wenjun Liu, Yang Qiao, Cuiping Li, Xiaomao Wang

Journal Article

Behavior of aqueous stable colloidal nano-C

Jing HUO,Ye YU,Ling GE,Bo ZHANG,Yiliang HE

Journal Article

Thermo-fluidic devices and materials inspired from mass and energy transport phenomena in biological

Jian XIAO , Jing LIU ,

Journal Article

The progress of biomimetic membrane

Zeng Yanjun,Zhang Lin,Chen Huanlin

Journal Article

Chu liangyin: Intelligent Artificial Membrane (2019.5.23)

22 Apr 2021

Conference Videos

Machinability of ultrasonic vibration-assisted micro-grinding in biological bone using nanolubricant

Journal Article

Microorganism-derived biological macromolecules for tissue engineering

Journal Article

Low intensity ultrasound stimulates biological activity of aerobic activated sludge

LIU Hong, YAN Yixin, WANG Wenyan, YU Yongyong

Journal Article

Biological conversion pathways of sulfate reduction ammonium oxidation in anammox consortia

Zhen Bi, Deqing Wanyan, Xiang Li, Yong Huang

Journal Article

New directions for artificial intelligence: human, machine, biological, and quantum intelligence

Li WEIGANG,Liriam Michi ENAMOTO,Denise Leyi LI,Geraldo Pereira ROCHA FILHO

Journal Article

Overlooked nitrogen-cycling microorganisms in biological wastewater treatment

Journal Article

Mechanical behavior and semiempirical force model of aerospace aluminum alloy milling using nano biological

Journal Article

ROOT EXUDATES FROM CANOLA EXHIBIT BIOLOGICAL NITRIFICATION INHIBITION AND ARE EFFECTIVE IN INHIBITING

Journal Article

Quorum sensing regulation methods and their effects on biofilm in biological waste treatment systems:

Journal Article

Inhibition character of crotonaldehyde manufacture wastewater on biological acidification

Journal Article