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Improvement of sludge dewaterability with modified cinder via affecting EPS

Weichao Ma, Lei Zhao, Huiling Liu, Qianliang Liu, Jun Ma

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0967-x

Abstract: dewaterability and variation of organic matters has been studied in the process of sludge pre-conditioning with modifiedcinder, especially for extracellular polymeric substances (EPS) in the sludge.TOC) and soluble chemical oxygen demand (SCOD) were obviously in the supernatant especially for the acidmodified cinder (ACMC), which could be attributed to the processes of adsorption and sweeping.

Keywords： Sludge conditioning     Acid or alkali modified cinder     TB-EPS     Floc mass     Floc reconstruction    

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Adsorption of humic acid from aqueous solution on bilayer hexadecyltrimethyl ammonium bromide-modified

Yanhui ZHAN, Jianwei LIN, Yanling QIU, Naiyun GAO, Zhiliang ZHU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 65-75 doi: 10.1007/s11783-010-0277-z

Abstract: Surfactant-modified natural zeolites (SMNZ) with different coverage types were prepared by loading hexadecyltrimethylThe adsorption behavior of humic acid (HA) on SMNZ was investigated.Results show that HTAB-modified natural zeolite is a promising adsorbent for removal of HA from aqueous

Keywords： bilayer surfactant-modified zeolite     hexadecyltrimethyl ammonium bromide (HTAB)     adsorption     humic acid (HA)    

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Adsorption property of direct fast black onto acid-thermal modified sepiolite and optimization of adsorption

Chengyuan SU, Weiguang LI, Yong WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 503-511 doi: 10.1007/s11783-012-0477-9

Abstract: The adsorption of direct fast black onto acid-thermal modified sepiolite was investigated.modified sepiolite.The raw sepiolite was converted to acid-thermal modified sepiolite, and changes in the fourier transformThe decolorization rate of direct fast black adsorbed increased from 68.2% to 98.9% on acid-thermal modifiedmodified sepiolite.

Keywords： direct fast black     acid-thermal modified sepiolite     adsorption     response surface methodology    

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Removal of clofibric acid from aqueous solution by polyethylenimine-modified chitosan beads

Yao NIE,Shubo DENG,Bin WANG,Jun HUANG,Gang YU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 675-682 doi: 10.1007/s11783-013-0622-0

Abstract: Polyethylenimine (PEI)-modified chitosan was prepared and used to remove clofibric acid (CA) from aqueousthe effects of PEI concentration and reaction time in the preparation on the adsorption of clofibric acidThe PEI-modified chitosan had fast adsorption for CA within the initial 5 h, while this adsorbent exhibitedThe CA adsorption on the PEI-modified chitosan was pH-dependent, and the maximum adsorption was achievedThe PEI-modified chitosan has a potential application for the removal of some anionic micropollutants

Keywords： clofibric acid     PEI-modified chitosan     adsorption capacity     adsorption mechanism     electrostatic interaction    

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Resistance to acid degradation, sorptivity, and setting time of geopolymer mortars

Osama A MOHAMED; Rania AL-KHATTAB; Waddah AL-HAWAT

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 781-791 doi: 10.1007/s11709-022-0862-9

Abstract: determine the water sorptivity, setting time, and resistance to a highly acidic environment, of mortar with alkali-activatedAfter 7, 28, and 90 d of immersion in a 10% sulfuric acid solution, the resistance of a geopolymer matrixAlkali-activated mortar with a slag-to-fly ash ratio of 3:1 had the least sorptivity compared to theNo reduction in weight of sample occurred after immersion in the strong acid H2SO4acid

Keywords： alkali-activated materials     fly ash     sorptivity     durability of concrete     sodium hydroxide     sodium silicates     reduction in CO2 emissions     sulfuric acid    

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Deposition of copper nanoparticles on multiwalled carbon nanotubes modified with poly (acrylic acid)

Li SHENG,Shuhang HUANG,Minghao SUI,Lingdian ZHANG,Lei SHE,Yong CHEN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 625-633 doi: 10.1007/s11783-014-0711-8

Abstract: material, Cu-PAA/MWCNTs (copper nanoparticles deposited multiwalled carbon nanotubes with poly (acrylic acid

Keywords： multiwalled carbon nanotubes     copper nanoparticles     antimicrobial activity     Escherichia coli (E. coil)    

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Layered alkali titanates (ATiO): possible uses for energy/environment issues

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 631-655 doi: 10.1007/s11708-021-0776-6

Abstract: Uses of layered alkali titanates (A2TinO2nalkali titanates of various structural types and compositions are regarded as a class of nanostructuredcompared with commonly known titanium dioxides (anatase and rutile), materials design based on layered alkaliThe ion exchange ability of layered alkali titanate is used for the collection of metal ions from waterThese possible materials design made layered alkali titanates promising for energy (including catalysis

Keywords： layered alkali titanates     photocatalysis     hydrogen evdution     metal ions collection    

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Alkali-silica Reaction and Alkali-carbonate Reaction

Tang Mingshu

Strategic Study of CAE 2000, Volume 2, Issue 1,   Pages 34-40

Abstract:

Alkali-aggregate reaction (AAR) may be divided into two kinds： alkali-silica reaction (ASR) and alkali-carbonateThe chemical reaction between the reactive aggregate and alkali causes serious expansion and resultsFor ASR, the prime essential is the crystallinity of silica, which causes the rocks to display alkalicryptocrystalline, microcrystalline, glassy and strained silica, cristobalite, tridymite, etc. display high alkali

Keywords： alkali     aggregate     silica     carbonate     concrete deterioration     mechanism    

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The development of ultralightweight expanded perlite-based thermal insulation panel using alkali activator

Damla Nur ÇELİK; Gökhan DURMUŞ

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1486-1499 doi: 10.1007/s11709-022-0881-6

Abstract: In addition, an alkali activator solution was used as a binder in the mixtures.

Keywords： expanded perlite     alkali activator     thermal insulation panel     thermal conductivity    

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Utilization of alkali-activated copper slag as binder in concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 773-780 doi: 10.1007/s11709-021-0722-z

Abstract: This study was focused on developing concrete using alkali-activated copper slag (AACS) as a binder.The properties of alkali-activated copper slag concrete (AACSC) were compared with portland cement concretehydration products of AACSC were not identified in XRD patterns, whereas, in FTIR spectra of AACSC some alkali-activated

Keywords： binder     concrete     mechanical properties     mineralogy     workability    

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Hydration Characteristics and Microstructure of Alkali-Activated Slag Concrete: A Review Review

Qiang Fu,Mengxin Bu,Zhaorui Zhang,Wenrui Xu,Qiang Yuan,Ditao Niu

Engineering 2023, Volume 20, Issue 1,   Pages 162-179 doi: 10.1016/j.eng.2021.07.026

Abstract:

Alkali-activated slag concrete (AASC) is a new green building material.The influences of the slag composition, the type and dosage of the alkali activator, and the curing conditions

Keywords： Alkali-activated slag concrete     hydration characteristics     pore structure     interfacial transition zone     Microstructure    

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The Decarbonization of Construction—How Can Alkali-Activated Materials Contribute?

John L. Provis,Susan A. Bernal,Zuhua Zhang,

Engineering doi: 10.1016/j.eng.2023.09.014

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Application of Underground Fracture Connection Monitoring in Anpeng Alkali Mine

Qi Tiexin,Liu Jianzhong,Qi Guilin,Dong Feng

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 63-67

Abstract: methodologies, and results of monitoring primary fractures connecting to the injection well in Anpeng Alkaliinjection well at a depth of over 1 000 meters, which makes it possible for continuous water injection and alkalisolution production in Anpeng Alkali Mine.

Keywords： Anpeng Alkali Mine     wet process for alkali extraction     underground fracture connection     leveling survey    

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Modeling of alkali-silica reaction in concrete: a review

J.W. PAN, Y.T. FENG, J.T. WANG, Q.C. SUN, C.H. ZHANG, D.R.J. OWEN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 1-18 doi: 10.1007/s11709-012-0141-2

Abstract: This paper presents a comprehensive review of modeling of alkali-silica reaction (ASR) in concrete.

Keywords： alkali-silica reaction (ASR)     modeling     concrete     mesoscopic     macroscopic    

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Operando modeling and measurements: Powerful tools for revealing the mechanism of alkali carbonate-based

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 380-389 doi: 10.1007/s11708-023-0872-x

Abstract: Alkali carbonate-based sorbents (ACSs), including Na2CO3- and K2CO

Keywords： CO2 capture     carbonation     theoretical modeling     operando techniques     reaction visualization    

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Title Author Date Type Operation

Improvement of sludge dewaterability with modified cinder via affecting EPS

Weichao Ma, Lei Zhao, Huiling Liu, Qianliang Liu, Jun Ma

Journal Article

Adsorption of humic acid from aqueous solution on bilayer hexadecyltrimethyl ammonium bromide-modified

Yanhui ZHAN, Jianwei LIN, Yanling QIU, Naiyun GAO, Zhiliang ZHU

Journal Article

Adsorption property of direct fast black onto acid-thermal modified sepiolite and optimization of adsorption

Chengyuan SU, Weiguang LI, Yong WANG

Journal Article

Removal of clofibric acid from aqueous solution by polyethylenimine-modified chitosan beads

Yao NIE,Shubo DENG,Bin WANG,Jun HUANG,Gang YU

Journal Article

Resistance to acid degradation, sorptivity, and setting time of geopolymer mortars

Osama A MOHAMED; Rania AL-KHATTAB; Waddah AL-HAWAT

Journal Article

Deposition of copper nanoparticles on multiwalled carbon nanotubes modified with poly (acrylic acid)

Li SHENG,Shuhang HUANG,Minghao SUI,Lingdian ZHANG,Lei SHE,Yong CHEN

Journal Article

Layered alkali titanates (ATiO): possible uses for energy/environment issues

Journal Article

Alkali-silica Reaction and Alkali-carbonate Reaction

Tang Mingshu

Journal Article

The development of ultralightweight expanded perlite-based thermal insulation panel using alkali activator

Damla Nur ÇELİK; Gökhan DURMUŞ

Journal Article

Utilization of alkali-activated copper slag as binder in concrete

Journal Article

Hydration Characteristics and Microstructure of Alkali-Activated Slag Concrete: A Review

Qiang Fu,Mengxin Bu,Zhaorui Zhang,Wenrui Xu,Qiang Yuan,Ditao Niu

Journal Article

The Decarbonization of Construction—How Can Alkali-Activated Materials Contribute?

John L. Provis,Susan A. Bernal,Zuhua Zhang,

Journal Article

Application of Underground Fracture Connection Monitoring in Anpeng Alkali Mine

Qi Tiexin,Liu Jianzhong,Qi Guilin,Dong Feng

Journal Article

Modeling of alkali-silica reaction in concrete: a review

J.W. PAN, Y.T. FENG, J.T. WANG, Q.C. SUN, C.H. ZHANG, D.R.J. OWEN

Journal Article

Operando modeling and measurements: Powerful tools for revealing the mechanism of alkali carbonate-based

Journal Article