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Regeneration of Calcium Oxide (CaO) from Waste Gypsum via Two-step Reaction

Neshabran, Ramachandran and Gaanty Pragas, Maniam (2014) Regeneration of Calcium Oxide (CaO) from Waste Gypsum via Two-step Reaction. In: 8th Malaysian Technical Universities Conference on Engineering & Technology (MUCET 2014), 10-11 November 2014 , Mahkota Hotel Bandar Hilir Melaka. . (Unpublished)

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Abstract

The regeneration of calcium oxide from gypsum is the interest of this research. Gypsum was converted to calcium oxide via a two-step process involving chemical and thermal reactions. X-ray diffraction (XRD) was used to analyse the samples to identify the samples. Laboratory grade gypsum (LG) and waste gypsum (WG) were used in this research and successful conversion was done. Gypsum was converted into calcium hydroxide by reacting with sodium hydroxide, 0.1 M, solution. Then, calcium hydroxide was calcined, at 700°C, to form calcium oxide. The chemical changes were analysed using X-ray diffraction, wavelength dispersive X-ray fluorescence and thermogravimetric analysis methods.

Item Type: Conference or Workshop Item (Other)
Uncontrolled Keywords: Gypsum; Waste gypsum; Calcium hydroxide; Calcium oxide
Subjects: Q Science > Q Science (General)
T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Faculty of Industrial Sciences And Technology
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 01 Dec 2014 04:22
Last Modified: 28 Feb 2018 03:20
URI: http://umpir.ump.edu.my/id/eprint/7482
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