TORAY UF
Instruction Manual
06-G-MB2-HFUG-B2315AN-220930
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VIII.
Storage of Membrane Module
Follow the instruction below when you store the modules.
Be careful not to freeze the modules.
1. Storage of New Membrane Module
Keep the modules in the original packing in a dark and cool place (1 to 40 deg C). Avoid
direct sunlight and moisture.
2. Storage of Membrane Module after Use
(1) Short-term, or temporary shutdown or storage
In the case of the suspension of operation for less than four days, stop the feed water and
keep modules full of water. Keep the modules at 1 to 40 deg C.
If suspended from four days to less than eight days, fill the module with the chemical
described in Table 7. Use filtrate quality water. Keep the modules at 1 to 40 deg C.
Table 7. Conditions for storing membrane modules for less than eight days
Maximum Storage Period
Chemical
Concentration of the
Chemical
7 days
Sodium hypochlorite
20 mg/L as Cl
2
