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17
VI.
Operation
1.
Filtration
(1)
Check that all piping is connected appropriately and flushed out prior to the
operation. Fig. 3 shows a typical example of piping.
(2)
Make sure the feed water valve (V-1), the drainage valve (V-3) and the valve
for the scrubbing air (V-2) are “closed”.
(3)
Make sure the filtrate water line is open. Open the air exhaust valve (V-4).
(4)
Gradually open the feed water valve (V-1) and charge the feed water to the
module to purge any air out.
Fig. 3 Typical example of piping