Use of Lime Sludge and Pulp Black Liquor in Concrete

Abstract

Concrete is one of the most important used construction materials all over the world. Concrete is the mixture of cement sand and aggregate. The availability of this material is being reduced day by day which results in high cost of construction. In this project, we have used waste material from the BGPPL (paper industry) i.e. lime sludge and pulp black liquor as this both material are directly disposed in the water resources or on the land, it creates pollution. We have aimed to introduce both this material PBL and lime sludge. Lime sludge is used as replacement to the cement as it has similar properties as cement. Pulp black liquor is used as an admixture in concrete. Various parameters of concrete such as compressive strength, tensile strength and workability are being investigated in this project.