December 20, 2022

Role of septic tanks

septic tank

Septic tank is a basic sludge treatment facility and also a pretreatment facility for domestic sewage. Its functions are as follows:

  1. Ensure the environmental sanitation of the living community and avoid the spread of domestic sewage and pollutants in the living environment.
  2. In the working environment of anaerobic corrosion in septic tanks, kill mosquito eggs.
  3. Temporary storage of sludge, organic sludge undergoes anaerobic decomposition, and the matured organic sludge can be used as agricultural fertilizer.
  4. Pretreatment of domestic sewage (primary treatment), precipitate impurities, and hydrolyze macromolecular organic substances into small molecular organic substances such as acids and alcohols to improve subsequent sewage treatment.
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