Production of highly porous glass-ceramics from metallurgical slag, fly ash and waste glass | Zendy

Bianka Mangutova | Zendy; Emilija Fidančevska | Zendy; Milosav Miloševski | Zendy; J. Bossert | Zendy

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Production of highly porous glass-ceramics from metallurgical slag, fly ash and waste glass

Author(s) -

Bianka Mangutova,

Emilija Fidančevska,

Milosav Miloševski,

J. Bossert

Publication year - 2004

Publication title -

acta periodica technologica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.134

H-Index - 15

eISSN - 2406-095X

pISSN - 1450-7188

DOI - 10.2298/apt0435103m

Subject(s) - fly ash , materials science , porosity , slag (welding) , glass recycling , composite material , flexural strength , metallurgy , ceramic , raw material , organic chemistry , chemistry

Glass-ceramics composites were produced based on fly-ash obtained from coal power stations, metallurgical slag from ferronickel industry and waste glass from TV monitors, windows and flasks. Using 50% waste flask glass in combination with fly ash and 20% waste glass from TV screens in combination with slag, E-modulus and bending strength values of the designed systems are increased (system based on fly ash: E-modulus from 6 to 29 GPa, and bending strength from 9 to 75 MPa). The polyurethane foam was used as a pore creator which gave the material porosity of 70(5% (fly ash-glass composite) and a porosity of 65( 5% (slag-glass composite). E-modulus values of the designed porous systems were 3.5(1.2 GPa and 8.1(3 GPa, while the bending strength values were 6.0(2 MPa and 13.2(3.5 MPa, respectively. These materials could be used for the production of tiles, wall bricks, as well as for the construction of air diffusers for waste water aeration

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