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Meaning of sewage and refuse
Refuse refers to all solid wastes such as pieces of paper leaves, garbage, ashes and dead animals while sewage refers to liquid wastes such as urine, kitchen wastes of water from laundry
Methods Of Sewage Disposal
- Open dump.
- water system
- Vip latrine,
- bucket latrine
- Pit hot latrine
Methods Of Refuse Disposal
Advantage: It is cheap to water system
Advantage: Decomposed materials (without toxic materials) may serve as fertilizers
Disadvantage: – Turning may be laborious and odour offensive
There are modern and local ones and are of different types principally
Advantage: Local technology can be used
Disadvantages: If not properly managed surrounding air may be polluted
Sanitary land fills
An excavated or land depression area is needed wherein refuse gabage are thrown and covered up with solid or dust.
Advantage: Help to reclaim waste land
Does not require high technology
It is not expensive
Disadvantage: Land to be used may be difficult to come by
1. Differentiate sewage disposal from refuse disposal.
2. What are the methods of sewage disposal?
3. Why do you think open dump should not be recommended as a method of refuse disposal?
Find out some refuse disposal in your schools premisesSewage and Refuse Disposal