Sewage Treatment Plant (STP) : A Comprehensive Guide (Including Bar Screen Chamber and Oil & Grease/Grit Trap)
Introduction Sewage treatment is an essential process designed to remove contaminants from wastewater, household sewage, and industrial effluents. The primary goal is to ensure that the treated water is safe for disposal into the environment or suitable for reuse in various applications. This process involves physical, chemical, and biological methods that collectively help maintain environmental balance and reduce the strain on potable water sources. Proper sewage treatment is crucial to: Prevent water pollution Protect human health Conserve natural resources by reusing treated wastewater Reduce the environmental impact of urbanization and industrialization Stages of Sewage Treatment Sewage treatment consists of three main stages: primary, secondary, and tertiary treatment. Each stage plays a critical role in ensuring the removal of solids, organic matter, and pathogens. 1. Primary Treatment (Solid Separation) Primary treatment is the initial phase where large solids and sediments are...