Septic tanks are devices that treat feces and filter sediments. The principle is that the solidified material is decomposed at the bottom of the tank, and the upper layer of hydrated material enters the pipeline and flows away, which prevents the pipeline from being blocked, and provides sufficient time for hydrolysis of solidified objects (garbage, etc.). A septic tank refers to a small-scale processing structure that separates and precipitates domestic sewage and performs anaerobic digestion of the sludge.
The role of septic tanks
The septic tank is a basic sludge treatment facility and also a pretreatment facility for domestic sewage. Its role is as follows:
1. Protect the sanitation of living communities and avoid the proliferation of domestic sewage and pollutants in the living environment.
2. In the anaerobic rot of the septic tank, kill the eggs of mosquitoes and flies.
3, temporary storage of sludge, organic sludge for anaerobic corrosion, mature organic sludge can be used as agricultural fertilizer.
4. Pretreatment of domestic sewage (primary treatment), precipitation of impurities, and hydrolysis of organic macromolecules into small molecule organics such as acids and alcohols to improve subsequent wastewater treatment.