AIRE-064-1-4
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(2) Piping to the manifold
Fig.IV-10 and Fig.IV-11 give two examples of leading permeated water from the Membrane
Submerged Tank. Fig.IV-10 shows downward piping and Fig.IV-11 shows upward piping.
The downward piping is for the operation with natural water head. The upward piping is for
the operation with suction pump in the case that the pump is located above the Membrane
Submerged Tank.
In both upward and downward piping, the chemical injection valve and the air discharge
valve should be installed on a branch pipe of the line from the permeate water manifold to
the permeate water valve. The devices necessary for chemical cleaning are described in
VIII-3 to VIII-6.
Fig.IV-10 Downward Piping from Membrane Submerged Tank
Fig.IV-11 Upward Piping from Membrane Submerged Tank
Air
discharge
valve
Permeated
water valve
Chemical injection valve
to Suction pump
From Chemical feed line
to Permeated water
Outlet
Permeated water valve
Chemical
injection valve
from Chemical feed line
Air discharge valve
