Table 9.5.
Treatment Method | Hazards/Dangers/Threats/In Water |
||||||||
---|---|---|---|---|---|---|---|---|---|
Solids | Odors/Flavors | Algae | Protozoa | Bacteria | pH | Organic Chemical Residues | Salts, (Hardness) | Viruses | |
Settling | ✓ | ||||||||
Deaeration | ✓ | ✓ | |||||||
Activated carbon | ✓ | ✓ | ✓a | ✓ | ✓ | ||||
Neutralization | ✓ | ||||||||
Membrane filtration (RO) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ||
Chlorination/ozonization | ✓b | ✓ | ✓c | ||||||
Ion exchange | ✓ | ✓ | |||||||
UV radiation | ✓b | ✓ | ✓ | ||||||
Electrochemically activated water | ✓ | ✓ | ✓ | ✓ |
If contamination is detected; RO=Reverse osmosis.
Cryptosporadium.
Depending on virus species.