Strength, leachability and microstructure characterisation of Na2SiO3-activated ground granulated blast-furnace slag solidified MSWI fly ash.

Strength, leachability and microstructure characterisation of Na2SiO3-activated ground granulated blast-furnace slag solidified MSWI fly ash. Research Abstract Details 

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Strength, leachability and microstructure characterisation of Na2SiO3-activated ground granulated blast-furnace slag solidified MSWI fly ash. Abstract Text:

Dajie Zhang,Wenshi Liu,Haobo Hou,Xinghua He,Dajie Zhang,Wenshi Liu,Haobo Hou,Xinghua He,

The chemical composition and the leachability of heavy metals in municipal solid waste incinerator (MSWI) fly ash were measured and analysed. For the leachability of unstabilized MSWI fly ash it was found that the concentrations of Pb and Cr exceeded the leaching toxicity standard. Cementitious solidification of the MSWI fly ash by Na2SiO3-activated ground granulated blast-furnace slag (NS) was investigated. Results show that all solidified MSWI fly ash can meet the landfill standards after 28 days of curing. The heavy metals were immobilized within the hydration products such as C-S-H gel and ettringite through physical encapsulation, substitution, precipitation or adsorption mechanisms.

Strength, leachability and microstructure characterisation of Na2SiO3-activated ground granulated blast-furnace slag solidified MSWI fly ash. Publishing Authors By Initials

D Zhang,W Liu,H Hou,X He,D Zhang,W Liu,H Hou,X He,

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Strength, leachability and microstructure characterisation of Na2SiO3-activated ground granulated blast-furnace slag solidified MSWI fly ash. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Waste management & research : the journal of the I

VOLUME: 25

Page Numbers: 402-7

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ISSN: 0734-242X

DAY: 7

MONTH: Oct

YEAR: 2007

Strength, leachability and microstructure characterisation of Na2SiO3-activated ground granulated blast-furnace slag solidified MSWI fly ash. Information

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LANGUAGE: eng

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AFFILIATION: College of Resource and Environment, Wuhan University, NO. 129 Luoyu Road, Wuhan 430079, PR China. zdajie1015@hotmail.com

Country: England

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MEDLINETA: Waste Manag Res

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