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The WATA device

3 bytes added, 23:16, 27 April 2012
→‎Construction, operations and maintenance
If the electrolysis is occurring properly, bubbles are formed immediately. The electrolysis takes an hour per litre, producing a chlorine concentrate of 6g/L. The chlorine concentrate should be used within three weeks of production. Notable is that full containers last longer than half-empty ones, due to the effects of dissolving oxigen.
'''=====Use'''=====
The chlorine concentrate is then added to the water to be disinfected. It should be shaken thoroughly and left for 30 minutes. There should be 0.5-1.0mg/L of residual chlorine left. The level of chlorine can be measured using the WATAblue reagent.
====Estimated Lifespan====
The WATA device is expected to operate for about 20,000 hours. If used for 12 hours a day, 7 days a week, it would last about 4.5 years.
==Costs==
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