Skip to content
Boiler Water Chemistry
| P.T.P.INLET |
Unit |
LIMIT |
| pH |
|
7.2-8.5 |
| TDS |
ppm |
<3500 |
| T.Hardness |
ppmasCaCO3 |
<1200 |
| Chloride |
ppmasCaCO3 |
<1400 |
| Turbidity |
NTU |
<10 |
| Silica |
ppm as SiO2 |
<45 |
| Ca-H |
ppm asCaCO3 |
<1000 |
| T.Alkalinity |
ppmasCaCO3 |
<800 |
| P.T.P.OUTLET |
Unit |
LIMIT |
| PH |
|
9.5-11.5 |
| TDS |
ppm |
<3500 |
| T.Hardness |
ppmasCaCO3 |
<1200 |
| Ca-H |
ppmasCaCO3 |
<1000 |
| Chloride |
ppmas Cl |
<1400 |
| Turbidity |
NTU |
<10 |
| Silica |
ppm as SiO2 |
<30 |
| T.Alkalinity |
ppm asCaCO3 |
<800 |
| FRC |
|
<1.0 |
| Ist RO DMF O/L |
Unit |
LIMIT |
| Turbidity |
NTU |
<4.0 |
| Res.Chlorine |
ppm |
<1.0 |
| SDI |
– |
< 6 |
| C.F. O/L SDI |
– |
< 6 |
| RO-I Feed |
Unit |
LIMIT |
| PH |
|
5.0-7.0 |
| TDS |
ppm |
<3500 |
| Turbidity |
NTU |
<1.0 |
| RO-IÂ Product |
Unit |
LIMIT |
| PH |
– |
<7.0 |
| TDS |
ppm |
<500 |
| COND. |
uS/CM |
<1000 |
| RO-IÂ Reject |
Unit |
LIMIT |
| PH |
– |
<7.5 |
| TDS |
ppm |
<18000 |
| Silica |
ppm as SiO2 |
<250 |
| DM Tank |
Unit |
LIMIT |
| PH |
– |
8.5-9.5 |
| COND |
us/cm |
<10 |
| Silica |
ppm as |
<0.05 |
| C.T.Make up |
Unit |
LIMIT |
| PH |
|
6.0-8.5 |
| TDS |
ppm |
<900 |
| T.Hardness |
ppmasCaCO3 |
<300 |
| Ca-H |
ppmasCaCO3 |
<210 |
| Chloride |
ppmasCaCO3 |
<500 |
| Turbidity |
NTU |
<1.0 |
| T.Alkalinity |
ppmasCaCO3 |
<25 |
| CT Circu,Water |
 Unit |
LIMIT |
| PH |
|
7.0-8.8 |
| TDS |
ppm |
<5000 |
| T.Hardness |
ppmasCaCO3 |
<1500 |
| Ca-H |
ppmasCaCO3 |
<1000 |
| Chloride |
ppmasCaCO3 |
<2500 |
| Turbidity |
NTU |
<10 |
| Silica |
ppm as SiO2 |
<150 |
| Phosphate |
ppm as PO4 |
8-10 |
| T.Alkalinity |
ppmasCaCO3 |
<450 |
| Temp |
Deg. Cent. |
<50 |
| Recycle Tank |
 Unit |
LIMIT |
| PH |
– |
<9.0 |
| TDS |
ppm |
<15000 |
| Chloride |
ppmasCaCO3 |
<8000 |
| Turbidity |
NTU |
<50 |
| Temp |
D Cent. |
<50 |
| 2nd R.O SCR |
 Unit |
LIMIT |
| PH |
– |
9.5-11 |
| Turbidity |
NTU |
<15 |
| Silica |
ppm as SiO2 |
<35 |
| RO-2 FEED |
Unit |
LIMIT |
| PH |
– |
5.0-7.0 |
| TDS |
ppm |
<12000 |
| SDI |
– |
<4 |
| FRC |
ppm |
NIL |
| Turbidity |
NTU |
<1 |
| RO-2 Product |
Unit |
LIMIT |
| PH |
– |
<7.0 |
| TDS |
ppm |
<1500 |
| DMF turbidity |
Unit |
LIMIT |
|
NTU |
<5 |
| Boiler water |
Unit |
LIMIT |
|
|
|
| PH |
– |
9.5-10.5 |
| COND |
us/cm2 |
<200 |
| Silica |
ppm as SiO2 |
<5.0 |
| P.Alkalinity |
ppmasCaCO3 |
<30 |
| M.Alkalinity |
ppmasCaCO3 |
<60 |
| Phosphate |
ppm as PO4 |
< 5 |
| S.H.Stream |
Unit |
Limit |
| PH |
– |
8.5-10 |
| COND |
us/cm2 |
<25 |
| Silica |
ppm as SiO2 |
<0.02 |
| Feed water |
Unit |
Limit |
| PH |
|
8.5-10.0 |
| COND |
us/cm2 |
<25 |
| Hydr. |
ppm |
<.1 |
| Silica |
ppm as SiO2 |
<0.05 |
| Condensate |
 Unit |
Limit |
| PH |
– |
8.5-10.0 |
| COND |
us/cm2 |
<25 |
| Silica |
ppm as SiO2 |
<0.02 |
| MB Out let |
Unit |
Limit |
| PH |
– |
5.0-7.2 |
| COND |
us/cm2 |
<0.5 |
| Silica |
ppm as SiO2 |
<0.02 |
Post Views: 361
