The methods commonly used in sewage disposal - JSS1 Physical and Health Education Lesson Note

1. Sewage treatment plants: Utilizing processes such as screening, sedimentation, biological treatment, and disinfection to clean the sewage before it is released into the environment. 2. Septic systems: An on-site sewage disposal method that treats and disposes of sewage from individual households. 3. Composting toilets: Processing human waste into compost that can be safely used as fertilizer. 4. Land application: Applying treated sewage sludge to agricultural lands as a soil conditioner or fertilizer. 5. Incineration: Burning sewage sludge at high temperatures to reduce its volume and make it safe for disposal. 6. Biological treatment: Using natural processes like aerobic and anaerobic digestion to break down organic matter in the sewage. 7. Chemical treatment: Applying chemicals to sanitize and treat sewage before disposal