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Upgrade of three municipal wastewater treatment lagoons using a high surface area media

John WANG, Peng JIN, Paul L. BISHOP, Fuzhi LI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 288-293 doi: 10.1007/s11783-011-0280-z

Abstract: Three municipal WWTPs were modified using a high surface area media with upgraded fine-bubble aeration

Keywords： wastewater lagoons     wastewater biological treatment     ammonia removal     high surface area media     fine bubbleaeration    

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Simulation of bubble column reactors using CFD coupled with a population balance model

Tiefeng WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 162-172 doi: 10.1007/s11705-009-0267-5

Abstract: Bubble columns are widely used in chemical and biochemical processes due to their excellent mass andDue to the importance of the bubble behavior, the bubble size distribution must be considered in theThe population balance model (PBM) is an effective approach to predict the bubble size distribution,Bubble breakup and coalescence models due to different mechanisms are discussed.in high gas holdup, and interphase forces of bubble swarms.

Keywords： bubble column     computational fluid dynamics     bubble breakup and coalescence     population balance model     bubble    

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Experimental study on bubble behavior and CFD simulation of large-scale slurry bubble column reactor

Haoyi SUN, Tao LI, Weiyong YING, Dingye FANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 515-522 doi: 10.1007/s11705-010-0516-7

Abstract: Slurry bubble column reactors (SBCR) is a three-phase fluidized reactor with outstanding advantages comparedIn this paper, an experiment was conducted to investigate the bubble behavior in SBCR with a height ofBubble rise velocity, bubble diameter, and gas holdup in different radial and axial positions are measured

Keywords： SBCR     four-channel conductivity probe     hydrodynamics     CFD    

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Influence of aeration intensity on the performance of A/O-type sequencing batch MBR system treating azo

Xinhua WANG, Jingmei LI, Xiufen LI, Guocheng DU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 615-622 doi: 10.1007/s11783-011-0362-y

Abstract: Among the numerous parameters affecting the membrane bioreactor (MBR) performance, the aeration intensitypretreatment to improve the biodegradability of azo dye wastewater, was investigated under different aerationNeither lower nor higher aeration intensities could improve A/O-type sequencing batch MBR performancesThe results showed 0.15 m ·h aeration intensity was promising for treatment of azo dye wastewater underUnder this aeration intensity, chemical oxygen demand (COD), ammonium nitrogen and color removal as well

Keywords： batch membrane bioreactor     azo dye     aeration intensity     extracellular polymeric substances     sludge properties    

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Experimental study on the stratum applicability and mechanisms of bubble–slurry for earth pressure balance

Frontiers of Structural and Civil Engineering   Pages 1387-1399 doi: 10.1007/s11709-023-0005-y

Abstract: The slump, volume stability, and permeability test of bubble–slurry-conditioned sand was conducted toexamine the conditioning effect, and the stratum applicability of bubble–slurry was determined fromIt was found that the conditioning effect of bubble–slurry in coarse gravel soil was excellent and couldThe main stabilization mechanism of bubble–slurry is that bentonite particles provide a space barrierAnd three seepage modes of bubble–slurry-conditioned sand were innovatively defined, and the occurrence

Keywords： EPB shield     bubble–slurry     soil conditioning     stability     permeability    

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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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The role of single deformed bubble on porous foam tray with submerged orifices on the mass transfer enhancement

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2127-2143 doi: 10.1007/s11705-023-2363-3

Abstract: liquid encroaching on the gas channels causes the increasing orifices velocity, which makes the trailing bubbleeasily detach from the midst of the leading bubble and causes pairing coalescence.

Keywords： bubble formation     porous submerged orifices     process intensification     foam tray    

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Synchronous observation of rising soluble bubble through quiescent solution

Yifu ZHANG , Shuai TIAN , Weizhong LI , Yongchen SONG ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 307-312 doi: 10.1007/s11708-009-0028-7

Abstract: A model was set up to describe the behavior of the bubble in a visual experimental system in which ahigh-speed camera rose instantaneously with the movement of the bubble.A series of trajectory videos about the bubble were recorded by a computer linked to the camera.The trajectory, volume changes and rate of mass transfer of the bubble were obtained by the CIPT.With the volume decreasing, the disturbed behavior of the bubble becomes tempered.

Keywords： soluble bubble     mass transfer     synchronous observation     computer image processing    

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Characteristics of night soil and leaf co-composting using aerobic static method

Xiaojie SUN, Dunqiu WANG, Wenjing LU, Hongtao WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 421-427 doi: 10.1007/s11783-011-0380-9

Abstract: Three influencing factors, including proportion of night soil and leaf, aeration rate and aeration patternThe 0.14 m ·min ·m aeration rate was most beneficial to composting, and the mixture of night soil andThe continuous aeration pattern during composting was superior to an intermittent aeration pattern, since

Keywords： night soil     leaf     aerobic compost     aeration rate     aeration pattern    

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Study on direct alcohol/ether fuel synthesis process in bubble column slurry reactor

Zhen CHEN, Haitao ZHANG, Weiyong YING, Dingye FANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 461-471 doi: 10.1007/s11705-010-0517-6

Abstract: 25 experimental data, and a steady-state one-dimensional mathematical model was further developed in bubblecolumn slurry reactor (BCSR), which was assumed that the bubble phase was plug flow, and the liquid

Keywords： syngas     alcohol/ether fuel     slurry catalyst     bubble column slurry reactor     global kinetics     mathematical model    

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Collaborative control of fine particles and ozone required in China for health benefit

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1692-2

Abstract:

● Increased DAAO offsets 3/4 of the decrease of DAAP in 2013–2020.

Keywords： Excess deaths     Long-term exposure     Fine particle     Ozone    

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Performance of completely autotrophic nitrogen removal over nitrite process under different aeration

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 439-445 doi: 10.1007/s11783-008-0046-4

Abstract: performance of completely autotrophic nitrogen removal over nitrite (CANON) process under different aerationWhereas in the intermittently-aerated reactor, at the aeration/non-aeration ratio of 1.0, ammonium wasalways under the detection limit and 86% of TN was removed with DO between 2.0–2.5 mg/L during the aerationResults show that CANON could be achieved in both continuous and intermittent aeration pattern.In addition, the DO in the CANON system should be adjusted to the aeration mode, and low DO was not a

Keywords： Synthetic wastewater     process     Whereas     biofilm     detection    

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Engineering practice of mechanical soil aeration for the remediation of volatile organic compound-contaminated

Yan Ma, Xiaoming Du, Yi Shi, Deyi Hou, Binbin Dong, Zhu Xu, Huiying Li, Yunfeng Xie, Jidun Fang, Zheng Li, Yunzhe Cao, Qingbao Gu, Fasheng Li

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0870-x

Abstract: Engineering practice of mechanical soil aeration in China is reviewed.Mechanical soil aeration is a simple, effective, and low-cost soil remediation technique that is particularlyThis study reviews current engineering practice and developmental trends of mechanical soil aeration

Keywords： Soil contamination     Volatile organic compound     Mechanical soil aeration     Engineering practice     China    

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Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 194-202 doi: 10.1007/s11705-010-1019-2

Abstract: In this study, the effect of ethanol addition into pure water and its concentration on bubble diameterBubble size distribution was measured by photography and picture analysis at various concentrations ofAlcohol concentration enhancement caused bubble diameter to decrease.and also was 3.4 times higher than that of ethanol with concentration of 0.25% (v/v) at the highest aeration

Keywords： airlift rector     bubble diameter     gas hold-up     flow regime     ethanol    

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Properties of cement grout modified with ultra-fine slag

Sowmini GOPINATHAN, K B ANAND

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 58-66 doi: 10.1007/s11709-017-0383-0

Abstract: The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and waterUltra-fine slag can be used as a supplementary cementitious material in cementitious grouts in order

Keywords： cement grout     ultra-fine slag     flowability     bleeding     viscosity    

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Title Author Date Type Operation

Upgrade of three municipal wastewater treatment lagoons using a high surface area media

John WANG, Peng JIN, Paul L. BISHOP, Fuzhi LI

Journal Article

Simulation of bubble column reactors using CFD coupled with a population balance model

Tiefeng WANG

Journal Article

Experimental study on bubble behavior and CFD simulation of large-scale slurry bubble column reactor

Haoyi SUN, Tao LI, Weiyong YING, Dingye FANG

Journal Article

Influence of aeration intensity on the performance of A/O-type sequencing batch MBR system treating azo

Xinhua WANG, Jingmei LI, Xiufen LI, Guocheng DU

Journal Article

Experimental study on the stratum applicability and mechanisms of bubble–slurry for earth pressure balance

Journal Article

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

Journal Article

The role of single deformed bubble on porous foam tray with submerged orifices on the mass transfer enhancement

Journal Article

Synchronous observation of rising soluble bubble through quiescent solution

Yifu ZHANG , Shuai TIAN , Weizhong LI , Yongchen SONG ,

Journal Article

Characteristics of night soil and leaf co-composting using aerobic static method

Xiaojie SUN, Dunqiu WANG, Wenjing LU, Hongtao WANG

Journal Article

Study on direct alcohol/ether fuel synthesis process in bubble column slurry reactor

Zhen CHEN, Haitao ZHANG, Weiyong YING, Dingye FANG

Journal Article

Collaborative control of fine particles and ozone required in China for health benefit

Journal Article

Performance of completely autotrophic nitrogen removal over nitrite process under different aeration

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Journal Article

Engineering practice of mechanical soil aeration for the remediation of volatile organic compound-contaminated

Yan Ma, Xiaoming Du, Yi Shi, Deyi Hou, Binbin Dong, Zhu Xu, Huiying Li, Yunfeng Xie, Jidun Fang, Zheng Li, Yunzhe Cao, Qingbao Gu, Fasheng Li

Journal Article

Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Journal Article

Properties of cement grout modified with ultra-fine slag

Sowmini GOPINATHAN, K B ANAND

Journal Article