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Effects of sodium hydroxide (NaOH) solution concentration on fly ash-based lightweight geopolymer

W. Ibrahim, W. M. and Hussin, K. and Abdullah, M. M. A. and A. Kadir, A. and Deraman, L. M. (2017) Effects of sodium hydroxide (NaOH) solution concentration on fly ash-based lightweight geopolymer. In: 3rd Electronic and Green Materials International Conference 2017 (EGM 2017), 29–30 April 2017, Krabi, Thailand.

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Official URL: doi:10.1063/1.5002205

Abstract

In this study, the effects of NaOH concentration on properties of fly ash-based lightweight geopolymer were investigated. Lightweight geopolymer was produced using fly ash as source materials and synthetic foaming agents as air entraining agent. The alkaline solutions used in this study are combination of sodium hydroxide (NaOH) and sodium silicate (Na2SiO3) solution. Different molarities of NaOH solution (6M, 8M, 10M, 12M, and 14M) are taken for preparation of 50 x 50 x 50 mm cubes of lightweight geopolymer. The ratio of fly ash/alkaline solution, Na2SiO3/NaOH solution, foaming agent/water and foam/geopolymer paste were kept constant at 2.0, 2.5, 1:10 and 1:1 respectively. The samples were cured at 80

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TD Environmental technology. Sanitary engineering > TD878-880 Soil pollution. Soil remediation
Divisions: Faculty of Civil and Environmental Engineering > Department of Water and Environmental Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 30 Sep 2019 03:19
Last Modified: 30 Sep 2019 03:19
URI: http://eprints.uthm.edu.my/id/eprint/11635
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