The key source of energy in any nation is the coal based thermal power plants. In thermal power plants, the by-product of combustion of coal is predominantly a powdery material called coal fly ash. Coal fly ash is a complex heterogeneous material consisting of both amorphous and crystalline phase... read more

In the past, asphalt was considered low value material. However, the asphalt that you know to be used for roads, parking lots, and other paving projects is made by combining the bitumen with aggregates such as rock, sand, and stone. Which were difficult to recycle in an efficient way. Old asphalt... read more

Sand is world’s second most consumed natural resource after water. Rapid urbanization and

global population growth have created unbound demand for this limited natural resource. With urbanization as key driving factor, construction industry has expanded considerably over the last few de... read more