Filtro anaeróbio SALUTAR
Default

Input data

Type of contributor

Number of contributors

Temperature

Output data

Contribution of sewage

Hydraulic detention time

Filter bed volume

Description

Given the number and type of contributors and the temperature of the effluent to be treated, calculates the volume of the filtering medium.

Anaerobic filter

Table 1 - Daily contribution of waste and organic load by type of building and occupants

BuildingUnitSewage contribution L/dOrganic load contribution L/d gBOD5.20gBOD_{5.20}/d
Permanent occupants
Residence
High standardPerson16050
Average standardPerson13045
Low standardPerson10040
Hotel (except laundry and kitchen)Person10030
Temporary accommodationPerson8030
Temporary occupants
Factory in generalPerson7025
OfficePerson5025
Public or commercial buildingPerson5025
Schools (day schools) and long-term placesPerson5020
BarsPerson66
Restaurants and similarPerson2525
Cinemas, theaters and short-stay placesPerson21
Public restroomsSanitary basin480120

Table 2 - Sewage hydraulic detention time (t), by flow range and sewage temperature (in days)

Flow (L/day)Average temperature of the coldest month
Below 15°CBetween 15°C and 25°CGreater than 25°C
Up to 1,500 1.1710.92
From 1,501 to 3,0001.080.920.83
From 3,001 to 4,50010.830.75
From 4,501 to 6,0000.920.750.67
From 6,001 to 7,5000.830.670.58
From 7,501 to 9,0000.750.580.5
Above 9,0000.750.50.5

Talk to an engineer

Get in touch with Salutar:

Site: https://www.salutar.eco.br/

Phone: +55 (93) 99161-7554

E-mail: contato@salutar.eco.br

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