• S.LAKHMINARAYANAN
• V. Dhanusri
• S. Hariharan
• R. Nandhini sri
• M. Naveen Kumar

More In India, the chemical and agricultural cycles deliver more than 300 million tonnes of industrial waste each year. These materials raise concerns of disposal and health risks. Contaminants in squanders like as phosphogypsum, fluorogypsum, and red mud have a negative impact on the strength and other qualities of construction materials that rely on them. To protect the environment, phosphogypsum, flurogypsum, lime slop, hypo muck, red mud, and mine following are the most important wastes now being generated. Paper production, for the most part, generates a great deal of solid waste. Paper filaments can only be reused so many times before they become too short or brittle to make excellent paper. It entails separating the damaged, low-quality paper strands and turning them into waste sludge. Every year, this paper mill waste consumes a massive amount of neighbouring landfill area. Worse still, as part of the trash collection method, a percentage of the rubbish is planted on crops, raising worries about pollutants accumulating in the soil or seeping into nearby lakes and streams. A few businesses burn their sludge in incinerators, contributing to real-world air pollution issues. It is typically essential to develop useful structure materials from these current squanders in order to reduce removal and contamination difficulties emanating from them. With this in mind, tests were conducted to investigate if it was possible to produce low-cast concrete by combining varying amounts of concrete with hypo sludge. The subject of this research work is to study experimentally about the strength of the concrete and appropriate amount of partial replacement by replacing cement with 10%, 20%, 30%, 40%, 50%, 60% and 70% Hypo Sludge.

Hypo sludge, industrial waste, phosphogypsum, fluorogypsum

"EXPERIMENTAL INVESTIGATION IN DEVELOPING LOW-COST CONCRETE FROM PAPER INDUSTRY WASTE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.12, Issue 10, page no.d719-d724, October-2025, Available :http://www.jetir.org/papers/JETIR2510393.pdf

"EXPERIMENTAL INVESTIGATION IN DEVELOPING LOW-COST CONCRETE FROM PAPER INDUSTRY WASTE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.12, Issue 10, page no. ppd719-d724, October-2025, Available at : http://www.jetir.org/papers/JETIR2510393.pdf