Anion Indion FFIP
Description
Anion Indion FFIP
- Origin : made in India (manufacturer Ion Exchange)
- Description : bead Cl- form
- Equal to : Lewatit MP62
- Purpose : removal of chloride, sulfate, nitrate, alkalinity and silicate
- Lifetime : min 3 years, regenerated by NaOH solution
- Unit : Litre
- Bulk density : 0.70 kg/ltr
- Package : 25 L (standard)
I. General Information:
- INDION FFIP is a type 1 strong base, unifunctional anion exchanger in bead form, containing trimethyl benzyl ammonium groups. It is based on cross-linked polystyrene and has an isoporous structure.
- INDION FFIP has a very high basicity. It is effective in removing weak acids such as silica and carbon dioxide. It is recommended in two/multiple stage or mixed bed de-ionising units where high quality deionised water and lowest silica residuals are desired.
- In addition INDION FFIP demonstrates stability to high temperature regeneration required for minimum silica leakage. It has a high reversible capacity for the natural organic matter present in some surface water, with excellent resistance to fouling by this organic matter.
- INDION FFIP is used as the anion exchanger in the second stage of a de-ionising pair with INDION 225H cation exchange resin in the first stage. When used in a two stage de-ionising plant upstream of a mixed bed unit, INDION FFIP will protect the strong base anion exchanger in the latter unit against organic fouling. At the same time it will assist in the production of final treated water with a low residual of organic matter and silica.
- It is also used in multiple stage de-ionising and mixed bed de-ionising. For regeneration using NaOH regenerants in co-current or counter-current operations.
II. Properties:
|
Ionic form as delivered |
|
Cl- |
|
Appearance |
|
moist beads |
|
Matrix type |
|
cross linked polystyrene isoporous type |
|
Functional group |
|
- N+R3 |
|
Total exchange capacity |
eq/l |
1.2 |
|
Moisture content |
% |
47 - 55 |
|
Particle size |
mm |
0.3 - 1.2 |
|
Uniformity coefficient |
|
1.7 max. |
|
Volume change (Cl- -> OH-) |
% |
10 - 15 |
|
Shipping weight, approx. |
g/l |
700 |
|
Osmotic strength |
|
Good |
|
Mechanical strength |
|
Good |
|
Resistance to reducing agents |
|
Good |
|
Resistance to oxidizing agents |
|
Good, chlorine should be absent |
III. Recommened Operating Conditions:
|
Maximum operating temperature |
|
|
|
pH range |
: |
0-14 |
|
Bed depth |
: |
750-1,500 mm |
|
Service rate |
: |
60 m/h max. |
|
Backwash rate |
: |
3 m/h |
|
Regeneration rate |
: |
3-18 m/h |
|
Regenerant |
: |
NaOH 2-5% |
|
Total rinse requirement |
: |
3-6 bed volumes |
Note: Requirements of input water quality:
- Turbidity < 2 NTU
- Organic matters < 2 mg/L
- Total iron < 0 mg/L
- Residual chlorine = 0 mg/L
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