Sago Pith Waste Ash as an Addition to Fly Ash-Based Geopolymer Mortar

Mohamad Rohaidzat Mohamed Rashid; Hazman Seli; Megat Azmi Megat Johari; Zainal Arifin Ahmad

doi:10.4028/www.scientific.net/MSF.888.462

Paper Titles

Influence of Reduction Temperatures on Reduction of FeO-Containing Slag by Agricultural Waste
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Determination of Indoor ²²²Rn Concentrations Level on Different Room Sizes in Academic Building at Universiti Malaysia Kelantan Jeli Campus
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Mineralogical Characteristics and Quantification of Mineral Phases in Malaysian Low Grade Manganese Ore
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Preliminary Determination of Minerals in Mukah Coal
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Sago Pith Waste Ash as an Addition to Fly Ash-Based Geopolymer Mortar
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The Effects of Altitude Levels on ²²²Rn Concentration in Academic Building at Universiti Malaysia Kelantan Jeli Campus
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Investigations of Outdoor and Indoor ²²²Rn Concentrations Level in Academic Building at Universiti Malaysia Kelantan Jeli Campus
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Carbon Dioxide Adsorption and Desorption Study Using Bimetallic Calcium Oxide Impregnated on Iron (III) Oxide
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Characterizations and Application of Supported Ionic Liquid [bmim][CF₃SO₃]/SiO₂ in CO₂ Capture
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HomeMaterials Science ForumMaterials Science Forum Vol. 888Sago Pith Waste Ash as an Addition to Fly...

Sago Pith Waste Ash as an Addition to Fly Ash-Based Geopolymer Mortar

Abstract:

This paper presents the effects of Sago pith waste ash (SPWA) as a replacement material in fly ash (FA) based geopolymer mortar (from 0 to 40%), from the aspect of mineral composition and compressive strength. The geopolymers were prepared and synthesized using a combination of sodium hydroxide (NaOH) and sodium silicate (Na₂SiO₃) as activator whilst SPWA and FA (by percentage) as high silica-alumina resources. The compressive strength of geopolymer mortar utilizing SPWA/FA was investigated together with the quantitative chemical characteristic via X-ray fluorescence (XRF) and the X-ray diffractometer (XRD). It was observed that by substituting SPWA to partially replacing FA in geopolymer mortar affects the compressive strength as well as the chemical compositions of the mortars. SPWA can increase 5% of the compressive strength (at 10 wt% SPWA, GSPWA10) compared to the FA geopolymer based sample (control). Furthermore, the increment in the percentages of SPWA increased the silica/alumina (SiO₂/Al₂O₃) ratio and that resulted in reduction of compressive strength for other geopolymer mortar samples.

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Periodical:

Materials Science Forum (Volume 888)

Pages:

462-465

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.888.462

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Online since:

March 2017

Authors:

Mohamad Rohaidzat Mohamed Rashid, Hazman Seli, Megat Azmi Megat Johari, Zainal Arifin Ahmad*

Keywords:

Compressive Stength, Fly Ash, Geopolymer Mortar, Quantitative Chemical Characteristic, Sago Pith Waste Ash

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