Waste water treatment - Sustainable Agriculture Training
Op
Waste water treatment tio
n
1
Suitable for:
Soak pit
A small quantity of waste water (e.g. domestic waste water from a house, chemical mixing point, spraying equipment washing water of a smallholder farm)
Gauge to trap solid waste
Broken bricks or stones to remove big particles
Charcoal to remove chemical contaminants
Make sure that you keep a certain portion above the ground level to prevent surface water from flowing inside. If the surface water goes into the soak pit, it will overflow very quickly.
Op
You can build the wall structure with a cement, or remove the bottom part of a plastic or metal drum and bury it.
tio
Sand and gravels to remove small particles
n
2 Three tanks on a slope
Suitable for:
Put gauge to trap solid waste before the water goes into the tank
A large quantity of waste water (e.g. waste water from a factory, waste water from workers’ village, spraying equipment washing water of a large plantation) A place with slope
Broken bricks or stones Make sure that the outlet is at the bottom of the tank so that the water will go through the filtration. Charcoal
Sand and gravel
Op
Waste water treatment tio
n
3
Three tanks on a flat place Suitable for: A large quantity of waste water (e.g. waste water from a factory, waste water from workers’ village, spraying equipment washing water of a large plantation) When there is no slope When there is a limited space for a water treatment system
Solid waste trap
Broken bricks or stones
Charcoal Sand and gravel
Lower than the first wall
Opening at the bottom
Op
Waste water treatment tio
n
4
Three ponds with aquatic plants Suitable for: A very large quantity of waste water A place with some slope When there is a large space available for a water treatment system
Aquatic plants
Check gates
Metal or concrete frames on the sides
Wood planks slotted between the frames
You can adjust the number of wood planks placed inside depending on the water level of each pond.
Waste water treatment tio
n
1
Suitable for:
Soak pit
A small quantity of waste water (e.g. domestic waste water from a house, chemical mixing point, spraying equipment washing water of a smallholder farm)
Gauge to trap solid waste
Broken bricks or stones to remove big particles
Charcoal to remove chemical contaminants
Make sure that you keep a certain portion above the ground level to prevent surface water from flowing inside. If the surface water goes into the soak pit, it will overflow very quickly.
Op
You can build the wall structure with a cement, or remove the bottom part of a plastic or metal drum and bury it.
tio
Sand and gravels to remove small particles
n
2 Three tanks on a slope
Suitable for:
Put gauge to trap solid waste before the water goes into the tank
A large quantity of waste water (e.g. waste water from a factory, waste water from workers’ village, spraying equipment washing water of a large plantation) A place with slope
Broken bricks or stones Make sure that the outlet is at the bottom of the tank so that the water will go through the filtration. Charcoal
Sand and gravel
Op
Waste water treatment tio
n
3
Three tanks on a flat place Suitable for: A large quantity of waste water (e.g. waste water from a factory, waste water from workers’ village, spraying equipment washing water of a large plantation) When there is no slope When there is a limited space for a water treatment system
Solid waste trap
Broken bricks or stones
Charcoal Sand and gravel
Lower than the first wall
Opening at the bottom
Op
Waste water treatment tio
n
4
Three ponds with aquatic plants Suitable for: A very large quantity of waste water A place with some slope When there is a large space available for a water treatment system
Aquatic plants
Check gates
Metal or concrete frames on the sides
Wood planks slotted between the frames
You can adjust the number of wood planks placed inside depending on the water level of each pond.
