A Study on Composition of Plaster Waste from Ornament Factory

A. Angnanon; P. Kanchanakul; J. Kaewkhao; N. Srisittipokakun

doi:10.4028/www.scientific.net/AMR.979.267

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A Study on Composition of Plaster Waste from Ornament Factory
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 979A Study on Composition of Plaster Waste from...

A Study on Composition of Plaster Waste from Ornament Factory

Abstract:

Plaster is a material which is widely used in Thailand. However, some variations of plaster that contain powdered silica or asbestos may present health hazards if inhaled. Asbestos is a known irritant when inhaled in powder form can cause cancer, especially in people who smoke, and inhalation can also cause asbestosis. Therefore, finding a way to recycle plaster waste has received attention. This study investigated the composition and phase of major plaster waste from ornament factory in Thailand by X-rays Fluorescence spectrometer (XRF) and X-Rays Diffractometer (XRD). The main compositions of new plaster and plaster waste by an XRF spectroscopy were SiO₂, SO₃ and CaO, they accounted for about 99.6 wt% of the total. The main phase of new plaster was found to be SiO₂, CaSO₄, CaO, S and Ca₂Si form. The main phase of plaster waste was found to be SiO₂ and CaSO₄ form. These results indicated that plaster waste may be used as substitute or additive for silica source in other industry.

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Periodical:

Advanced Materials Research (Volume 979)

Pages:

267-270

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.979.267

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Online since:

June 2014

Authors:

A. Angnanon, P. Kanchanakul, J. Kaewkhao, N. Srisittipokakun*

Keywords:

Compositions, Phase, Plaster Waste, X-Rays Diffractometer, X-Rays Fluorescence Spectrometer

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