Characterization of Calcium Hydroxide Derived from Waste Eggshell upon Moisture Effect

W. Siriprom; K. Teanchai; K. Kirdsiri; J. Kaewkhao

doi:10.4028/www.scientific.net/AMR.979.435

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 979Characterization of Calcium Hydroxide Derived from...

Characterization of Calcium Hydroxide Derived from Waste Eggshell upon Moisture Effect

Abstract:

The structural transformations of chicken eggshell sample upon heat treatments and water absorption have been studied after having ground the shells into powders. Structural identifications of chicken eggshell samples were performed by using x-ray diffraction, IR spectroscopy and Energy Dispersive X-rays spectrometer (EDXRF). It was found that the specimen is made of calcite, a common phase of CaCO₃ mineral. An then annealing at different temperatures in the range of 300-600C, The chicken eggshell not transformation, but after heat treatment at temperature 900C, the chicken eggshell sample have been transform structural in to oxide compound with calcia phase. In addition, the chicken eggshells have been preparation calcium hydroxide via a water steam route.

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Periodical:

Advanced Materials Research (Volume 979)

Pages:

435-439

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.979.435

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Online since:

June 2014

Authors:

W. Siriprom*, K. Teanchai, K. Kirdsiri, J. Kaewkhao

Keywords:

Chicken Eggshell, Fourier Transform Infrared Spectroscopy (FT-IR), Thermo-Gravimetric Analysis (TGA), X-Ray Diffraction (XRD)

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