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Research progress on synthesis of zeolites from coal fly ash and environmental applications

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 12, doi: 10.1007/s11783-023-1749-2

Abstract:

● Up-to-date information on the preparation of zeolite from CFA were summarized.

Keywords： Coal fly ash     Zeolite     Synthetic method     Environmental application     Industrialization    

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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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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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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 substitutionneural network has strong potential as a feasible tool to accurately predict the carbonation depth of flyash concrete.ash concrete.

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

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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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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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Parametric investigation on the novel and cost-effective nano fly ash impregnated geopolymer system for

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 2,   Pages 170-183 doi: 10.1007/s11709-024-1010-5

Abstract: In this research work, a novel and simple way of deriving nano particles from waste fly ash particlesThe effect of adding the synthesized nano fly ash particles as a filler medium in geopolymer mortarsoptimization was done by using regression analysis on the geopolymer mortar and the impact of adding nano flyash particles was studied by varying different percentages of addition ranging from 0 to 7.5% by weightFrom the results, it was observed that 1% nano fly ash acted not only as a filler but also as nano-sized

Keywords： geopolymer     nano fly ash     chloride ion penetration     durability     polymerization     fillers    

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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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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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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) surfaceSecondly, 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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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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Cleaner geopolymer prepared by co-activation of gasification coal fly ash and steel slag: durability

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 12, doi: 10.1007/s11783-023-1750-9

Abstract:

● Better packing density and higher early strength of SS-rich geopolymer.

Keywords： Geopolymer     Shell coal gasification fly ash     Steel slag     Heavy metal     Solidification/stabilization     Durability    

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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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Mercury emission and adsorption characteristics of fly ash in PC and CFB boilers

Li JIA, Baoguo FAN, Xianrong ZHENG, Xiaolei QIAO, Yuxing YAO, Rui ZHAO, Jinrong GUO, Yan JIN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 112-123 doi: 10.1007/s11708-020-0682-3

Abstract: The relationship was obtained between the mercury emission and adsorption characteristics of fly ash.The parameters included unburned carbon content, particle size, and pore structure of fly ash.It was also found that the mercury content of fly ash in the CFB boiler was ten times higher than thatThe capacity of adsorbing mercury by fly ash was directly related to the particle size.The content of mesoporous (4–6 nm) of the fly ash in the particle size of 77.5–106 µm was the highest

Keywords： mercury     combustion modes     coal property     fly ash     particle size    

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Title Author Date Type Operation

Research progress on synthesis of zeolites from coal fly ash and environmental applications

Journal Article

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

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

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

Journal Article

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

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Journal Article

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

Lapyote PRASITTISOPIN, Issara SEREEWATTHANAWUT

Journal Article

Parametric investigation on the novel and cost-effective nano fly ash impregnated geopolymer system for

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

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

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

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

Cleaner geopolymer prepared by co-activation of gasification coal fly ash and steel slag: durability

Journal Article

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

Osama Ahmed MOHAMED, Omar Fawwaz NAJM

Journal Article

Mercury emission and adsorption characteristics of fly ash in PC and CFB boilers

Li JIA, Baoguo FAN, Xianrong ZHENG, Xiaolei QIAO, Yuxing YAO, Rui ZHAO, Jinrong GUO, Yan JIN

Journal Article