L1 /
8
CH3041
PHOSPHATE
ELIMINATION
• Phosphate detergents
are a common major
constituent of waste water
and they must be removed.
are a common major
constituent of waste water
and they must be removed.
• Flocculating
agents
- Fe(III) or Al(III)
- Ca(OH)2 lime
are added to
precipitate the
phosphates.
eg. Ca5(PO4)3(OH)
agents
- Fe(III) or Al(III)
- Ca(OH)2 lime
are added to
precipitate the
phosphates.
eg. Ca5(PO4)3(OH)
P
