Waste water treatment 27Oct13
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.
Sand and gravels
to remove small particles
2 Three tanks on a slope
tio
n
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.
Sand and gravels
to remove small particles
2 Three tanks on a slope
tio
n
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.