Recommendations
Atmospheric pressure given altitudeDynamic viscosity of atmospheric airSeptic tankHead loss coefficient applicable to partially open globe valveMechanized mixer for flash mixing (Aquaflash) and flocculation (Aquafloc)SALUTAR anaerobic filter
Trenches of residencial septic tank
Default

Input data

Population to be served

Contribuition per capita (L/(hab.day))

Infiltration coefficient (L/(m².day))

Average useful depth of the trenches

Output data

Extension

Description

Given the population to be served (up to 20 people) and the soil infiltration rate, calculates the extension of the trenches.

Trenches

References

  • ABNT. NBR 13969 - Tanques sépticos - Unidades de tratamento complementar e disposição final dos efluentes líquidos - Projeto, construção e operação. Rio de Janeiro: ABNT, SET 1997