Process control and quality monitoring are most important functions in the cement manufacturing process. The process & Quality parameters of importance could be Raw Mix proportion, fineness and homogeneity of kiln feed, burnability characteristics, quality… Read More »Process control & Clinker Quality Monitoring through Mineralogical and Micro-structural indices
Portland cements tend to contain impurities of soluble Cr (VI), the Chromium content being contributed from the Cement Raw materials and fuel or from the Cement Mineral additives such as fly ash, granulated slag, etc.… Read More »Studies with Inorganic & Organic Additives for Cr(VI) reduction in Cement
The mineral phase composition of fly ashes from coal fired Thermal Plants is a function of nature of the coal, coal fineness, efficiency of collection of fly ash. The mineral matter mineralogy & Chemistry , … Read More »Influence of Mineral Matter Composition of Coal on Pozzolanicity of Fly Ash
The use of Mineral Admixtures, such as fly ash, micro-silica, metakaolin, calcined clay pozzolana, volcanic ashes etc, as a blending component in OPC alters the hydration kinetics of the resultant blended cement. Due to the… Read More »Assessment of Pozzolanic Reactivity – An Attempt on Formulating a Pozzolanic Index
Studies conducted by Klein in the 1950’s led to the development of Calcium Sulphoaluminates (CSA) cements which have some special properties, such as accelerated hardening and shrinkage compensation and have advantages over normal Portland Cement.… Read More »Calcium Sulpho-aluminate Cementitious Compositions
Coal is an important source of energy and plays an important role in the cement manufacture in the country. It is estimated the 70% of the Indian coals are of inferior grade with high ash… Read More »Bio-beneficiation of high ash Coals an Exploratory Attempt
Rapid industrial development has initiated a serious ecological and environmental imbalance due to dumping of industrial wastes. In tune with the global emphasis on waste utilization for a greener and cleaner environment, the Quality and… Read More »Improved Kiln feed burnability with use of Air Cooled Steel Slag
The Mineral phase composition of fly ashes from coal fired Thermal Plants is a function of nature of the coal, coal fineness, coal comminution system, boiler type & efficiency of collection of fly ash. The… Read More »Altering the Mineralogy of Fly Ash to Maximize Utilisation .