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DEVELOPMENT OF GEOPOLYMERIC COATINGS USING FLY ASH AND NANO SILICA FROM PALM OIL ASH

KHAN, MUHAMMAD IRFAN (2015) DEVELOPMENT OF GEOPOLYMERIC COATINGS USING FLY ASH AND NANO SILICA FROM PALM OIL ASH. Masters thesis, Universiti Teknologi PETRONAS.

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Abstract

In this study, different types of geopolymers were synthesised to investigate the effect of mixed design and nano silica on properties of geopolymers. Sodium silicate free, sodium silicate based and nano silica incorporated geopolymers were tested for geopolymer content analysis, setting time and adhesion strength. Nano silica was obtained from palm oil fuel ash using an eco-design with a simultaneous synthesis of nano silica and iron oxide. The agglomeration in silicawas controlled by the addition of poly ethylene glycol (MW 20,000); giving nano silica particles in the range of 20- 80nm, surface area of 326 m2g4, and pore diameter of 8.2 nm. Thermokinetics and thermodynamics studies, using the Kissinger, Ozawa and Starink methods, revealed physical interactions between Si02 particles and PEG molecules.

Item Type: Thesis (Masters)
Academic Subject : Academic Department - Chemical Engineering - Process System Engineering
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 18 Sep 2021 21:13
Last Modified: 18 Sep 2021 21:13
URI: http://utpedia.utp.edu.my/id/eprint/21427

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