Cation Indion 220Na
Description
Cation Indion 220Na
- Origin : made in India (manufacturer Ion Exchange)
- Description : gel, Na+ form
- Equal to : Dowex HCR-S, Purolite C100, Lewatit S100
- Purpose : removal of hardness, ammonium and other cations
- Lifetime : min 3 years, regenerated by NaCl or acid solutions
- Unit : Litre
- Bulk density : 0.74 kg/ltr
- Package : 25 L (standard), 10 L, 5 L
I. General Information:
INDION 220Na is a high capacity strongly acidic cation exchanger in bead form. It is based on crosslinked polystyrene and has a gel structure. The resin contains sulphonic acid functional groups. It is supplied moist in sodium form.
INDION 220Na is used most widely for water softening application. It can be used also in two-stage de-ionising as the cation exchanger in the hydrogen cycle.
For regeneration using NaCl, HCl or H2SO4 in co-current or counter-current operations.
|
Ionic form as delivered |
|
Na+ |
|
Matrix type |
|
Styrene divinylbenzene copolymer |
|
Functional group |
|
-SO3- |
|
Total exchange capacity |
eq/l |
1.8 |
|
Moisture content |
% |
54 - 60 |
|
Particle size |
mm |
0.3 - 1.2 |
|
Uniformity coefficient |
|
1.7 max. |
|
Volume change (Na -> H) |
% |
6 |
|
Shipping weight, approx. |
g/l |
741 |
|
Osmotic strength |
|
Good |
|
Mechanical strength |
|
Good |
|
Resistance to reducing agents |
|
Good |
|
Resistance to oxidizing agents |
|
Good, chlorine should be absent |
|
Nearest Equivalent |
|
Purolite C100, Dowex HCRS, Amberlite IR120, Lewatit S100 |
III. Recommened Operating Conditions:
|
Maximum operating temperature |
: |
140oC |
|
pH range |
: |
0-14 |
|
Bed depth |
: |
750-1,500 mm |
|
Service rate |
: |
60 m/h max. |
|
Backwash rate |
: |
9 m/h |
|
Backwash duration |
: |
5 minutes |
|
Regeneration rate |
: |
3-18 m/h |
|
Regeration duration |
: |
30-45 minutes |
|
Regenerant |
: |
H2SO4 = 1-8%, or HCl = 4-8%, or NaCl = 10-15% |
|
Total rinse requirement |
: |
3-6 bed volumes |
IV. Requirements of input water quality:
- Turbidity < 2 NTU
- Total iron < 0.5 mg/L (in Fe2+ form)
- Residual chlorine = 0 mg/L
- Organic matters < 2 mg/L
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