Potential Use of Wastewater Treatment Plant Sludge in Fabrication of Burnt Clay Bricks

Water treatment plants produce a huge amount of sludge, which are ultimately disposed to the nearest water channel, leading harmful effects. This unmanaged wastewater plant sludge (WTS) results in social and environmental concerns. Therefore, utilization WTS construction activities can be viable option for management waste sustainable infrastructures. The main aim this study was investigate potential manufacturing clay bricks at an industrial scale. procured from Rawal Lake plant, Pakistan. Clay collected local brick kiln site. Brick specimens with varying percentages (i.e., 5%, 10%, 15%, 20%, 30% 40%) were casted their mechanical durability characteristics evaluated. It observed that incorporating showed higher compressive flexural strengths compared normal bricks. For instance, 5% by weight 10% increase strength. Furthermore, 20% satisfied strength requirements as per building codes masonry construction. Scanning electronic microscopic (SEM) images confirm porous microstructure manufactured WTS, 12% lighter conventional Moreover, better performance. concluded fabricated high proportion 20%) will minimize overburden lead more durable economical