Investigating The Temperature Effect On Clicker With 10% Substitution Of Basalt Characterization

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Rajiman, Muhammad Amin, Roniyus Marjunus, Agata Ani R, David Candra B, M. Al Muttaqqi, Yulfriwini, Marlian R.A Simanjuntak, Anwar

Abstract

This research was conducted to determine the effect of temperature on the chemical content and crystal structure of the cement clinker with a 10% substitution of basalt on the mass of limestone. The cement clinker is made from the composition of limestone, basalt stone, clay, silica stone and iron sand. Basalt stone used came from the East Lampung area. The basalt stone has fulfilled ASTM C618 standard with a total compound of SiO2 + Al2O3 + Fe2O3 of 79.2%. The raw material was then mixed, milled, formed into pellets with a size of 0.8 - 1.4 cm and continued with combustion at calcination temperatures of 1000 ℃, 1100 ℃ and 1200 with a holding time of 2 hours. Based on the results of the XRF test (X-Ray Fluorescence) of the three cement clinker samples with variations in temperature used, the example is closer to the standard at a temperature of 1000 ℃. Three types of crystal samples, including tetragonal, monoclinic, rhombohedral, and orthorhombic, have been considered for the XRD (X-Ray Diffraction) test. Based on the obtained results, there was a secure binding between iron sand, limestone, clay, and silica sand characterized by a smooth surface while basalt stones that look like black holes were not wholly bound.

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