|
typical physical & chemical characteristics |
|
polymer structure |
styrene divinylbenzene copolymer |
|
funcational group |
sulphonates |
|
appearance |
brownish yellow to rrown |
|
total exchange capacity |
4.5 meq/g |
|
volume exchange capacity |
≥1.9 meq/ml |
|
lonic form group |
na type |
|
water retention |
45~50% |
|
bulk density |
0.78~0.85 g/ml |
|
special density |
1.25~1.29 g/ml |
|
partical size range |
0.315~1.25 mm |
|
effective particle size |
0.5~0.9 mm |
|
hpmogeneous coefficient |
≤1.6 |
|
roundness after wearing |
≥95% |
|
reversible swelling na →h |
≤10% |
| ph range | 1~14 |
| maximum operating temperature | h ≤100℃ na ≤120℃ |
| working exchange capacity | 25℃≥1000 meq/l(wet) |
| concentration of regenerate solution | nacl：8~10 hcl：4~5 |
| consumption of regenerate |
nacl(8~10%)vol.:resionvol.=1.5~2:1 |
| regenerant flow rate | 4~6(m/hr) |
| regenerant contact time | 30~60(mins) |
| rinse flow rate | 10~20(m/hr) |
| rinse time | 30(mins)(approx) |
| operating flow rate | 10~45(m/ht) |