STP
A STP is a facility designed to treat and clean wastewater before releasing it into the environment. Wastewater from households, industries, commercial buildings, and other facilities contains harmful contaminants that can be detrimental to human health and the ecosystem. The STP process typically involves three stages: primary treatment, secondary treatment, and tertiary treatment. In the primary treatment stage, large solids are removed through physical processes such as screening or sedimentation. The second stage of secondary treatment removes dissolved organic matter…