Manufacturing Of Cement And Petrography Of Its Raw Materials

Document Type : Original Article

Authors

1 Yazd university, Yazd Iran

2 Department of Earth Science University of Sargodha Pakistan

3 Department Of Geology Yazd University Iran

4 NCE Peshawar MS Student

5 Student Yazd University Iran

10.22077/jgm.2025.7984.1030

Abstract

Cement is an adhesive, chemical substance used as a binder during construction. So it’s important to know about the raw materials used to manufacture cement. Quantity and quality of different raw materials affects the strength of cement. For geologists it is interesting to know about the chemical composition of raw materials and their source rocks. Limestone, silica, iron oxide, gypsum and clay minerals in specific quantities are used to manufacture cement in different cement industries. Therefore it is also important to know the mineralogical composition of these manufacturing materials that help us to explain the chemical composition of cement. This study explores the intricate relationship between the petrographic characteristics of raw materials and their impact on enhancing the quality and efficiency of cement production. By conducting a comprehensive petrographic analysis of key raw materials such as limestone and clay, we can delve into the detailed mineralogical composition and textural attributes that define these materials. The primary objective of the following investigation is to determine whether variations in mineral content and physical properties significantly influence the strength and sustainability of the final cement product. Our findings indicate that optimizing raw materials, characterized by competent minerals with favorable textures, can notably enhance cement quality while mitigating manufacturing inefficiencies. Furthermore, the study reveals a substantial presence of calcite cement interspersed with bio clasts in limestone, alongside an enriched concentration of aluminum-bearing minerals such as kaolinite, boehmite, and gibbsite in bauxite. Additionally, the analysis highlights the enrichment of iron-bearing hematite minerals in conjunction with kaolinite, which collectively improving settling times and overall cement quality. To achieve the production of sustainable and durable cement, it is crucial to exercise caution in the selection of both the quantity and quality of raw materials. An inadequacy of essential minerals or their excessive presence can lead to the creation of cement that is not only of low strength but also lacks durability. Thus, careful consideration is vital for optimizing cement production processes.

Keywords

Journal of Geomine
Volume 2, Issue 2
June 2024
Pages 50-57

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