Figure 5-3. Disinfection alternatives.
materials provide 0.005-micron filtration in a stable,
backwash operational unit. Some ultrafiltration units
interfere with desalination surfaces and equipment.
possess a salt-rejection capability, which reduces both
Cellulose acetate reverse osmosis membranes can be
the ultrafine particulate material and salt loading on
attacked by bacteria and require continuous disinfection
membrane desalination processes. The ability to ensure
application at the membrane surface. Disinfection of
particulate removal at 0.005-micron levels, as well as
potable waters is required by TB MED 576 for sanitary
backwash capabilities, makes ultrafiltration an excellent
reasons. Marine intake structures are particularly prone
secondary filtration technique.