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A PROCESS FOR THE PREPARATION OF SELF- GLAZED GEOPOLYMER TILE FROM FLY ASH AND BLAST FURNACE SLAG
A PROCESS FOR THE PREPARATION OF SELF- GLAZED GEOPOLYMER TILE FROM FLY ASH AND BLAST FURNACE SLAG
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机译:用粉煤灰和高炉炉渣制备自釉土聚合物砖的方法
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摘要
The present invention provides a process for the preparation of self glazed geopoiymer tile using fly ash and granulated blast furnace slag. In the process of the present invention, the granulated blast furnace slag is fine grounded and/or mechanically activated in conventional grinding mills or high-energy mills. The fly ash, which is found in powder form and fine powder of granulated blast furnace slag, is thoroughly mixed to make a homogenous mixture. The alkaline solution is added into the mixture to initiate the geopolymerization. The ratio of water to powder is optimised to obtain a consistent paste to be used for vibration casting. During the casting, the consistent paste flows inside the mould and the particles settles at mirror finished surface of mould, giving rise to dense and smooth surface.
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