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Tentative to use wastes from thermal power plants for construction building materials

IOP conference series. Earth and environmental science, 2018-04, Vol.143 (1), p.12041 [Peer Reviewed Journal]

Published under licence by IOP Publishing Ltd ;2018. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1755-1307 ;EISSN: 1755-1315 ;DOI: 10.1088/1755-1315/143/1/012041

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  • Title:
    Tentative to use wastes from thermal power plants for construction building materials
  • Author: Bui, Quoc-Bao ; Phan, To-Anh-Vu ; Tran, Minh-Tung ; Le, Duc-Hien
  • Subjects: Ashes ; Bearing materials ; Bottom ash ; Bricks ; Building materials ; Cement ; Concrete ; Construction materials ; Environmental impact ; Fly ash ; Geopolymers ; Gravel ; Power plants ; Thermal power ; Thermal power plants ; Thermoelectricity ; Wastes
  • Is Part Of: IOP conference series. Earth and environmental science, 2018-04, Vol.143 (1), p.12041
  • Description: Thermal power plants (TPP) generates wastes (bottom and fly ashes) which become a serious environmental problem in Vietnam. Indeed, although in several countries fly ash can be used for cement industry, fly ash from actual TPP in Vietnam does not have enough good quality for cement production, because the fly ash treatment phase has not yet included in the generations of existing Vietnamese TPP. That is why bottom ash and fly ash purely become wastes and their evacuation is an urgent demand of the society. This paper presents an investigation using fly and bottom ashes in the manufacturing of construction materials. The main aims of this study is to reduce environmental impacts of fly and bottom ashes, and to test another non-conventional binder to replace cement in the manufacture of unburnt bricks. Several proportions of fly ash, bottom ash, cement, gravel, sand and water were tested to manufacture concretes. Then, geopolymer was prepared from the fly ash and an activator. Specimens were tested in uniaxial compressions. Results showed that the cement concrete tested had the compressive strengths which could be used for low rise constructions and the material using geopolymer could be used for non-load-bearing materials (unburnt bricks).
  • Publisher: Bristol: IOP Publishing
  • Language: English
  • Identifier: ISSN: 1755-1307
    EISSN: 1755-1315
    DOI: 10.1088/1755-1315/143/1/012041
  • Source: IOPscience (Open Access)
    IOP 英国物理学会OA刊
    Alma/SFX Local Collection
    ProQuest Central
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