Abstract
The Raw materials are of great importance for producing a high-quality Portland Cement. Calcium, silica, and alumina are essential components of the initial mixture used for the manufacture of the Portland Cement. The marl bed in the Euphrates Formation at the quarries of the Kufa cement plant was proposed to be an alternative raw material to provide such components to the cement mixture. For this reason, nine boreholes were drilled in addition to three boreholes that had been previously drilled in the study area. The marl reserve was classified according to the Russian classification as a C1 category, and as a probable reserve according to the British classification and estimated as a reserve of 53 million tons by using the triangle method. Porosity (30.47%), Bulk density (1.73 gm/cm3) and compressive strength (3.59 N/m2) were measured and show the homogeneity of hardness can serve in the reduction of the electrical energy consumption and the wear of equipment productivity and increase the production of the mills, that are reflected eventually in the reduction of the final product cost.
Highlights
Cement raw materials should be available in sufficient quantities to justify the large capital investments (Ertek and Oner, 2008)
This research deals economically with marl quantity suitable to be a part of the cement mixture, as the marl reserve was calculated by using the triangle method
There have been previous attempts targeting clays in the construction industry, in particular cement and brick; for example, the Late Miocene clay from Injana Formation in the middle of Iraq was evaluated for manufacturing the Portland cement and bricks as it had been investigated as a raw material alternative to the recent clays that are typically considered as agricultural lands (Awad and Awadh, 2020)
Summary
Cement raw materials should be available in sufficient quantities to justify the large capital investments (Ertek and Oner, 2008). This research deals economically with marl quantity suitable to be a part of the cement mixture, as the marl reserve was calculated by using the triangle method. The marl in the Euphrates Formation was targeted to be explored as a raw material for the cement industry in Bahr Al-Najaf, a study area (Fig. 1) which is tectonically located within the Salman Subzone, a part of the Stable Shelf Zone. The Euphrates Formation in the selected area at Bahr Al-Najaf is qualified as it has lithofacies suitable to be raw materials valid for manufacturing the Portland cement (AlDabbas et al, 2013). The aim of the current research is to determine the specification of the marl bed in the Euphrates Formation and estimate its reserve by tonnage that in corresponding to the specifications of Portland cement production using the triangle method
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