Review on Cement Stabilization/Solidification of Municipal Solid Waste Incineration Fly Ash

Municipal solid waste incineration (MSWI) fly ash must be treated properly prior to being disposed in the security landfill due to its serious pollution toxicity. Nowadays, lots of studies have demonstrated that cement-based stabilization/solidification could reduce the toxicity pollution effectivel...

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Main Authors: Chengcheng Fan, Baomin Wang, Tingting Zhang
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2018/5120649
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author Chengcheng Fan
Baomin Wang
Tingting Zhang
author_facet Chengcheng Fan
Baomin Wang
Tingting Zhang
author_sort Chengcheng Fan
collection DOAJ
description Municipal solid waste incineration (MSWI) fly ash must be treated properly prior to being disposed in the security landfill due to its serious pollution toxicity. Nowadays, lots of studies have demonstrated that cement-based stabilization/solidification could reduce the toxicity pollution effectively by encapsulating the heavy metals into cement matrix, which leads to greater capacity and weight. This paper compares and discusses the MSWI fly ash treatment with the mostly used matrix materials such as Portland cement, phosphate cement, aluminate cement, and alkaline activated cement. Moreover, immobilization mechanism introduced by the interaction between the MSWI fly ash and hydrated cement matrix materials, such as the physical cementing effect, adsorption, isomorphous replacement, and complex precipitation, was explored in depth. The paper also pointed out some reasonable development directions for cement-based stabilization/solidification technology to improve the effectiveness and application of cement-based stabilization/solidification technology.
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series Advances in Materials Science and Engineering
spelling doaj-art-8081d20c63cf413bb044486909bcdb052025-02-03T05:46:27ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422018-01-01201810.1155/2018/51206495120649Review on Cement Stabilization/Solidification of Municipal Solid Waste Incineration Fly AshChengcheng Fan0Baomin Wang1Tingting Zhang2Institute of Building Materials, School of Civil Engineering, Dalian University of Technology, Dalian 116024, ChinaInstitute of Building Materials, School of Civil Engineering, Dalian University of Technology, Dalian 116024, ChinaInstitute of Building Materials, School of Civil Engineering, Dalian University of Technology, Dalian 116024, ChinaMunicipal solid waste incineration (MSWI) fly ash must be treated properly prior to being disposed in the security landfill due to its serious pollution toxicity. Nowadays, lots of studies have demonstrated that cement-based stabilization/solidification could reduce the toxicity pollution effectively by encapsulating the heavy metals into cement matrix, which leads to greater capacity and weight. This paper compares and discusses the MSWI fly ash treatment with the mostly used matrix materials such as Portland cement, phosphate cement, aluminate cement, and alkaline activated cement. Moreover, immobilization mechanism introduced by the interaction between the MSWI fly ash and hydrated cement matrix materials, such as the physical cementing effect, adsorption, isomorphous replacement, and complex precipitation, was explored in depth. The paper also pointed out some reasonable development directions for cement-based stabilization/solidification technology to improve the effectiveness and application of cement-based stabilization/solidification technology.http://dx.doi.org/10.1155/2018/5120649
spellingShingle Chengcheng Fan
Baomin Wang
Tingting Zhang
Review on Cement Stabilization/Solidification of Municipal Solid Waste Incineration Fly Ash
Advances in Materials Science and Engineering
title Review on Cement Stabilization/Solidification of Municipal Solid Waste Incineration Fly Ash
title_full Review on Cement Stabilization/Solidification of Municipal Solid Waste Incineration Fly Ash
title_fullStr Review on Cement Stabilization/Solidification of Municipal Solid Waste Incineration Fly Ash
title_full_unstemmed Review on Cement Stabilization/Solidification of Municipal Solid Waste Incineration Fly Ash
title_short Review on Cement Stabilization/Solidification of Municipal Solid Waste Incineration Fly Ash
title_sort review on cement stabilization solidification of municipal solid waste incineration fly ash
url http://dx.doi.org/10.1155/2018/5120649
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