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Preparation and characterization of hydrothermally engineered TiO

Kanchapogu Suresh, G. Pugazhenthi, R. Uppaluri

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 266-279 doi: 10.1007/s11705-017-1608-4

Abstract: This work targets the preparation and characterization of an inexpensive TiO -fly ash composite membraneThe composite membrane was fabricated by depositing a hydrophilic TiO layer on a fly ash membrane viaCompared with the fly ash membrane in the average permeate flux and performance index (49.97 × 10 mTherefore, we have demonstrated that the TiO -fly ash composite membrane as value added product is anefficient way to recycle fly ash and thus mitigate environmental hazards associated with the disposal

Keywords： TiO2-fly ash membrane     oily wastewater     fouling     microfiltration    

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Carbonation depth prediction of fly ash concrete subjected to 2- and 3-dimensional CO attack

CHEN Shudong, SUN Wei, ZHANG Yunsheng, GUO Fei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 395-400 doi: 10.1007/s11709-008-0046-2

Abstract: Based on accelerated carbonation test, 1D, 2D and 3D carbonation of high performance concrete with differentfly ash contents (0%, 15%, 20%, 40%, 60%) were studied.The interaction coefficients of 2D and 3D carbonation are defined.The time-dependent coefficient of carbon dioxide diffusion and the interaction coefficients of 2D andThe experiments indicate that 2D and 3D carbonation have obvious interaction.
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Effects of sulfur on variations in the chemical speciation of heavy metals from fly ash glass

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1728-7

Abstract:

● A higher sulfur content reduced the curing rate of Cr in glass.

Keywords： Dechlorinated fly ash     SO3     Heavy metal     Chemical speciation     Glass solidification    

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Service life prediction of fly ash concrete using an artificial neural network

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 793-805 doi: 10.1007/s11709-021-0717-9

Abstract: For this purpose, the present work estimates the lifetime of fly ash concrete by developing a carbonationSix parameters affecting carbonation were used as input neurons: binder content, fly ash substitutionrate, water/binder ratio, CO2 concentration, relative humidity, and concrete age.ash concrete.ash concrete.

Keywords： concrete     fly ash     carbonation     neural networks     experimental validation     service life    

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Direct synthesis of carbon nanotubes on fly ash particles to produce carbon nanotubes/fly ash composites

Fangxian LI, Cheng ZHOU, Pengfei YANG, Beihan WANG, Jie HU, Jiangxiong WEI, Qijun YU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1405-1414 doi: 10.1007/s11709-019-0564-0

Abstract: Fly ash was used as catalytic support for carbon nanotubes (CNTs) growth by chemical vapor depositionIn this paper, CNTs were synthesized on Ni catalyst/fly ash substrate using CVD method.acetylene and hydrogen flow rate would decrease in defect density and increase in yield of as-grown CNTs on flyash.

Keywords： carbon nanotubes     fly ash     chemical vapor deposition     parameters     purification    

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Effect of fly ash replacement level on the fracture behavior of concrete

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 411-418 doi: 10.1007/s11709-013-0228-4

Abstract: One method of reducing concrete’s contribution to greenhouse gas emissions is the use of fly ash to replaceThis study presents the results of an experimental investigation that evaluates effect of fly ash replacementThis study includes four mixes with 0%, 30%, 50%, and 70% fly ash as a cement replacement.Results of these statistical tests show that the mix with higher level of fly ash replacement level has

Keywords： concrete     fracture energy     fly ash    

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Kinetics of pozzolanic reaction for preparation of flue gas desulfurizer from fly ash and Ca(OH)2

WANG Jingang, HU Jinbang, WANG Daobin, DUAN Zhenya

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 266-270 doi: 10.1007/s11705-007-0048-y

Abstract: A kinetic model of the pozzolanic reaction for the preparation of flue gas desulfurizers from fly ashrate constants of the pozzolanic reaction could be raised by increasing the specific surface area of flyash and the hydration temperature, and by using a suitable additive.

Keywords： comparison     calculated     pozzolanic reaction     precision     preparation    

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Accelerated engineering properties of high and low volume fly ash concretes reinforced with glued steel

Vallarasu Manoharan SOUNTHARARAJAN, Dr. Anandan SIVAKUMAR

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 429-445 doi: 10.1007/s11709-013-0226-6

Abstract: The present study focuses on the improvement of pozzolanic reaction of fly ash particles with the cementLow and high volume fly ash concrete mixtures were studied systematically with the addition of acceleratingAlso, it can be noted that the high volume fly ash (50%) addition in concrete showed a reduction in strengthA maximum increase (41.7%) in compressive strength of fly ash concrete around 52.90 MPa was noticed for25% fly ash substitution and 1.5% steel fibers addition.

Keywords： fly ash     pozzolanic index     steam curing     superplasticizer     accelerator     steel fibres     elastic modulus    

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Effects of seeding nucleation agent on geopolymerization process of fly-ash geopolymer

Lapyote PRASITTISOPIN, Issara SEREEWATTHANAWUT

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 16-25 doi: 10.1007/s11709-016-0373-7

Abstract: viability to substitute traditional concrete made of portland cement (PC) because replacing PC with flyash leads to reduced carbon dioxide emissions from cement productions and reduced materials cost.Although fly ash geopolymer stimulates sustainability, it is slow geopolymerization reaction poses aThe purpose of this study is to evaluate seeding nucleation agents (NA) of fly ash geopolymer that canash geopolymer product.

Keywords： fly ash     geopolymer     nucleation agent     portland cement replacement    

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Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1712-2

Abstract: ListItem>

● Both amorphous and crystalline silicon are completely separated from coal flyash.

Keywords： Coal fly ash     Alkali fusion     Micro-/meso-porous Si     Zeolite MCM-48     Crystalline transformation    

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Fresh and hardened properties of high-performance fiber-reinforced concrete containing fly ash and ricehusk ash: Influence of fiber type and content

Nguyen-Trong HO; Viet Quoc DANG; Minh-Hieu NGUYEN; Chao-Lung HWANG; Trong-Phuoc HUYNH

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1621-1632 doi: 10.1007/s11709-022-0884-3

Abstract: high-performance fiber-reinforced concrete (HPFRC) designed using a novel densified mixture design algorithm with flyash and rice husk ash.

Keywords： high-performance fiber-reinforced concrete     fly ash     rice husk ash     durability     mechanical strength    

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The investigation of fly ash based asphalt binders using atomic force microscope

Rajan SAHA, Kyle MALLOY, Emil BAUTISTA, Konstantin SOBOLEV

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 380-387 doi: 10.1007/s11709-017-0437-3

Abstract: In this study AFM was used to investigate the interaction of asphalt binder with fly ash.Fly ash is a coal combustion byproduct of electric power utilities having pozzolanic properties and commonlyIn this study, an investigation was made by using different types of fly ash with two types of asphaltThe interaction of these phases affected by introducing fly-ash was investigated and correlation with

Keywords： AFM     fly ash     bee     rheology     asphalt    

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Chloride binding and time-dependent surface chloride content models for fly ash concrete

S. MUTHULINGAM,B. N. RAO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 112-120 doi: 10.1007/s11709-015-0322-x

Abstract: The current study proposes two chloride ingress parameter models for fly ash concrete, namely: 1) surfacechloride content under tidal exposure condition; and 2) chloride binding.Secondly, to avoid such inconsistencies, surface chloride content and chloride binding models for flyash concrete are proposed based upon the experimental work done by other researchers.

Keywords： binding isotherms     chloride ingress     concrete     fly ash     surface chloride content    

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Compressive strength and stability of sustainable self-consolidating concrete containing fly ash, silica

Osama Ahmed MOHAMED, Omar Fawwaz NAJM

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 406-411 doi: 10.1007/s11709-016-0350-1

Abstract: sustainable self-consolidating concrete (SCC) mixes where up to 80% of Portland cement was replaced with flyash, silica fume, or ground granulated blast furnace slag.It was concluded in this study that increasing the dosage of fly ash increases concrete flow but alsoash.However, a fly ash replacement ratio of 20% increased the compressive strength by a small margin compared

Keywords： fly ash     silica fume     ground granulated blast-furnace slag     self-consolidating concrete     and sustainable    

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Characteristics of the stabilized/solidified municipal solid wastes incineration fly ash and the leaching

Yan SHAO,Haobo HOU,Guangxing WANG,Sha WAN,Min ZHOU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 192-200 doi: 10.1007/s11783-014-0719-0

Abstract: Fly ash is a hazardous byproduct of municipal solid wastes incineration (MSWI).ash at experimental level.The characteristics of the stabilized/solidified fly ash, including metal leachability, mineralogicalThe stabilization/solidification procedure for MSWI fly ash demonstrates a strong fixing capacity forThe stabilized/solidified fly ash shows a dense and homogeneous microstructure.

Keywords： municipal solid waste incineration (MSWI) fly ash     blast furnace slag     leaching behavior     Cr     Pb    

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Title Author Date Type Operation

Preparation and characterization of hydrothermally engineered TiO

Kanchapogu Suresh, G. Pugazhenthi, R. Uppaluri

Journal Article

Carbonation depth prediction of fly ash concrete subjected to 2- and 3-dimensional CO attack

CHEN Shudong, SUN Wei, ZHANG Yunsheng, GUO Fei

Journal Article

Effects of sulfur on variations in the chemical speciation of heavy metals from fly ash glass

Journal Article

Service life prediction of fly ash concrete using an artificial neural network

Journal Article

Direct synthesis of carbon nanotubes on fly ash particles to produce carbon nanotubes/fly ash composites

Fangxian LI, Cheng ZHOU, Pengfei YANG, Beihan WANG, Jie HU, Jiangxiong WEI, Qijun YU

Journal Article

Effect of fly ash replacement level on the fracture behavior of concrete

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Journal Article

Kinetics of pozzolanic reaction for preparation of flue gas desulfurizer from fly ash and Ca(OH)2

WANG Jingang, HU Jinbang, WANG Daobin, DUAN Zhenya

Journal Article

Accelerated engineering properties of high and low volume fly ash concretes reinforced with glued steel

Vallarasu Manoharan SOUNTHARARAJAN, Dr. Anandan SIVAKUMAR

Journal Article

Effects of seeding nucleation agent on geopolymerization process of fly-ash geopolymer

Lapyote PRASITTISOPIN, Issara SEREEWATTHANAWUT

Journal Article

Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Journal Article

Fresh and hardened properties of high-performance fiber-reinforced concrete containing fly ash and ricehusk ash: Influence of fiber type and content

Nguyen-Trong HO; Viet Quoc DANG; Minh-Hieu NGUYEN; Chao-Lung HWANG; Trong-Phuoc HUYNH

Journal Article

The investigation of fly ash based asphalt binders using atomic force microscope

Rajan SAHA, Kyle MALLOY, Emil BAUTISTA, Konstantin SOBOLEV

Journal Article

Chloride binding and time-dependent surface chloride content models for fly ash concrete

S. MUTHULINGAM,B. N. RAO

Journal Article

Compressive strength and stability of sustainable self-consolidating concrete containing fly ash, silica

Osama Ahmed MOHAMED, Omar Fawwaz NAJM

Journal Article

Characteristics of the stabilized/solidified municipal solid wastes incineration fly ash and the leaching

Yan SHAO,Haobo HOU,Guangxing WANG,Sha WAN,Min ZHOU

Journal Article