...
Alum
...
Dosing
...
Design
...
Alum
...
Stock
...
Alum
...
is
...
contained
...
in
...
two
...
large
...
tanks
...
in
...
the
...
middle
...
of
...
the
...
floor.
...
"Alum
...
Stock
...
Concentration"
...
in
...
Process
...
Controller
...
refers
...
to
...
the
...
concentration
...
of
...
alum
...
in
...
these
...
tanks.
...
Pumping Alum
The peristaltic pump near the Aguaclara desktop computer pumps alum from the tanks to the flocculation tank. This pump can be turned on and off, but its speed can be changed only by changing the alum dose in Process Controller. (See "Starting the alum pump" on the Troubleshooting Start-up page.
Alum Entrance
Alum enters the influence to the flocculation tank through a thin tube.
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{float} Alum !Alum Pump.JPG|thumbnail,align=centre! The peristaltic pump near the Aguaclara desktop computer pumps alum from the tanks to the flocculation tank. This pump can be turned on and off, but its speed can be changed only by changing the alum dose in Process Controller. (See "Starting the alum pump" on the [Troubleshooting Start-up page|PP Troubleshooting Starting]. h3. Alum Entrance !Alum Entrance.JPG|thumbnail,align=centre! Alum enters the influence to the flocculation tank through a thin tube. {float} |