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|
Guide Line (Technical Purity) |
|||
|
Supply Water Quality |
Approx. Production Capacity |
||
|
Conductivity in /cm |
Chlorides in PPM |
In Liters |
In M3 |
|
1 |
0.3 |
750,000 |
750.0 |
|
2 |
0.6 |
375,000 |
375.0 |
|
5 |
1.5 |
150,000 |
150.0 |
|
10 |
3.0 |
75,000 |
75.0 |
|
20 |
6.0 |
37,500 |
37.5 |
|
50 |
15.0 |
15,000 |
15.0 |
|
100 |
30.0 |
7,500 |
7.5 |
|
250 |
76.0 |
3,000 |
3.0 |
|
500 |
152.0 |
1,500 |
5.0 |
|
750 |
227.0 |
1,000 |
1.0 |
2 .Insulating/ cooling- In many manufacturing processes, particularly electronic component production electrical energy is introduced and the parts must be electrically isolated.
De-ionized water can not conduct electricity and is in fact an excellent insulating medium with its resistance measured in meg ohms.
In color separations (printing) DI water insulates the paper in spaces where otherwise a charged ink would be applied.
3. Non contaminating- Some applications call for the addition of water with out attendant contamination. For example, many blood analyzers dilute the blood sample and conduct a series of tests. If the diluting water contains sodium, Lead, Sulfates, or anything other than H20 there could be some very strange test results. Research Laboratories, hospitals, dentists, and chemists also use de-ionized water to clean their glassware and other instruments.
4. Power- Stream generators and power plants must be operated with de-ionized water. At high speed and temperature even the slightest contaminant adhering to heat exchangers and turbines can cause serious damage.
5. Pharmaceutical- Great care is taken in the production of drugs to assure the there are no extraneous contaminants and that the preparation is exactly the same from batch to batch.
6. Dialusis- Hemo Dialysis, The removal of contaminates from a patients blood stream also requires water with low Total Dissloved solid (TDS). The patient’s blood is circulated past a membrane that has de-ionized water mixed with the dialysis on the other side. Contaminates pass from the blood through the artificial kidney membrane to the water.
7. Waste water on sanitary industrial waste water often contains contaminates that can not be discharged to drain for environmental reasons. Some form of de-ionization is often used to remove contaminates from this wastewater before discharge or reuse.