Processing of Municipal Solid Waste (MSW) Fly Ash into an Environmentally Stable and Safe Material

Mihaeila Isac; Zaid Ghouleh; Roderick I.L. Guthrie

doi:10.4028/www.scientific.net/AST.63.181

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 63Processing of Municipal Solid Waste (MSW) Fly Ash...

Processing of Municipal Solid Waste (MSW) Fly Ash into an Environmentally Stable and Safe Material

Abstract:

The purpose of this research was to design a processing route for the conversion of hazardous Municipal Solid Waste (MSW) fly ash into a glass-ceramic material, stable and safe for further industrial, structural, or ornamental applications. The process firstly consists in the transformation of a hazardous MDW fly ash into a vitrous material. Thermal analyses information was used to design the controlled heat treatment that further transformed this vitrous material into an environmentally safe composite. The final product obtained was a glass-ceramic material with randomly oriented crystals embedded in its residual amorphous matrix. The crystalline phases were identified as Nepheline and Diopside. CLSM (Confocal Laser Scanning Microscopy) was used for real-time in-situ observation of the microstructure under simulated heat treatment conditions.

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Periodical:

Advances in Science and Technology (Volume 63)

Pages:

181-186

DOI:

https://doi.org/10.4028/www.scientific.net/AST.63.181

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Online since:

October 2010

Authors:

Mihaeila Isac, Zaid Ghouleh, Roderick I.L. Guthrie

Keywords:

Fly Ash (FA), Glas Ceramics, High Temperature Laser Confocal Microscopy, Loss on Ignition, Municipal Solid Waste (MSW), Vitrous Material

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References

[1] C. Ferreira, A. Ribeiro, and L. Ottosen, Possible Application for Municipal Solid Waste Fly Ash, in Journal of Hazardous Materials 96 (2-3), pp.201-216, (2003).

DOI: 10.1016/s0304-3894(02)00201-7

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[2] Z. Gouleh, Production of Glass Ceramics from Municipal Solid Waste (MSW) Fly Ash, Master Thesis, McGill University, (2008).

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