Kalinkin, A M and Alex, T C and Nath, S K and Gurevich, B I and Kalinkina, E V and Tyukavkina, V V (2013) Geopolymers Based on Mechanically Activated Non-Ferrous Slags. Chemistry for Sustainable Development, 6 (IF-). pp. 647-655.
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Geopolymerisation behaviour of Imperial Smelting Furnace (ISF) Zn slag and granulated CuNi slag, mechanically activated in air and in CO 2 atmosphere (P = 10 5 Pa) has been studied by XRD, SEM, FTIR, and isothermal conduction calorimetry. Mechanical activation of the slags has been carried out in a centrifugal- planetary mill AGO-2. Geopolymer samples have been prepared by mixing of the mechanically activated slag powders with NaOH solution or liquid glass and curing at (20–2) o C for up to 180 days. It has been observed that the ISF Zn slag and the granulated CuNi slag are suitable for the synthesis of building materials through geopolymerisation. The effect of milling atmosphere on properties of geopolymers is found to be alkaline reagent specific. A suitable combination of the milling atmosphere and alkaline reagent is required to realize the beneficial effect on mechanical properties of the geopolymer.
|Uncontrolled Keywords:||Zn slag, CuNi slag, geopolymerisation, mechanical activation, carbon dioxide, reactivity, compressive strength|
|Divisions:||Metal Extraction and Forming|
|Deposited By:||Mr. S K Nath|
|Deposited On:||12 Jul 2014 07:36|
|Last Modified:||12 Jul 2014 07:36|
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