Disinfection of water tanks with chlorine (Liquid Sodium hypochlorite )
Whenever monsoon arrives, so also arrives all water born diseases. Chlorination is the most common form of disinfection. Liquid sodium hypo chloride (Bleach) is used for disinfection.
How to use:
1. Follow the table given below for doses of bleach required on the basis of tank volume..
2. Concentration of chlorine required as per various purposes
a) Routine disinfection of clean water = 1mg/liter
b) Routine disinfection of less clean water = 2mg/liter
c) Disinfection of tank and pipe system = 5mg/liter. It is to be disinfected fully twice a year. To disinfect connected lines and fixtures, open all tapes until a chlorine smell is apparent at each outlet. Close taps and allow the chlorinated water to sit for at least 12 hours to ensure adequate time for disinfection. Do not consume this water which has smell of chlorine . DRAIN, FLUSH & REFILL WITH FRESH WATER. Now you can use water safely for daily use.
USING 4% liquid bleach(Household liquid Sodium hypo chlorite)
One small tea spoon means 5 ml. Or use a measuring cup which you get with medicine.
|
Concentration of Chlorine required mg/liter |
Concentration of Chlorine required mg/liter |
Concentration of Chlorine required mg/liter |
Amount of water in tank Liter |
1 |
2 |
5 (Disinfection of whole house) |
1000 |
25ml |
50ml |
125ml |
2000 |
50ml |
100ml |
250ml |
3000 |
75ml |
150ml |
375ml |
4000 |
100ml |
200ml |
500ml |
5000 |
125ml |
250ml |
625ml |
USING 12.5% liquid bleach (Pool liquid Sodium hypo chlorite)
|
Concentration of Chlorine required mg/liter |
Concentration of Chlorine required mg/liter |
Concentration of Chlorine required mg/liter |
Amount of water in tank Liter |
1 |
2 |
5 (Disinfection of whole house) |
1000 |
8ml |
16ml |
40ml |
2000 |
16ml |
32ml |
80ml |
5000 |
40ml |
80ml |
200ml |
Don’t use Old bleach which may be stabilized, hence will not work.
REFERENCE : https://nt.gov.au/__data/assets/pdf_file/0010/208846/disinfection-of-water-tanks.pdf
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