Waste water treatment
Cards (24)
- What is the main topic of today's video?
- What are the two main purposes of treating wastewater?
- What are the three main sources of wastewater?
- What does domestic waste refer to?
- Where does domestic wastewater go after being flushed?
- What type of wastewater is produced by agriculture?
- What do industrial sources of wastewater include?
- Why must all wastewater be treated?
- What is generally removed from domestic and agricultural sewage?
- What additional steps are required for industrial wastewater treatment?
- What is the first step in sewage treatment?
- What happens during sedimentation in sewage treatment?
- What is the lighter part of the sewage called after sedimentation?
- What are the two tanks used in sewage treatment?
- What conditions are maintained in the effluent tank?
- What conditions are maintained in the sludge tank?
- How is organic matter broken down in the effluent tank?
- How is organic matter broken down in the sludge tank?
- What is produced during anaerobic digestion of sludge?
- What can the remaining digested waste from sludge be used for?
- What additional stages may be needed for toxic substances in wastewater?
- Why is treating wastewater considered easier than desalinating salt water?
- Why do some countries rely on treating wastewater for drinking supplies?
- What is the main benefit of treating wastewater?