Question and Answer
Question & Answer Corner
| Q1. Nematoda from tap water !? |
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| Q2. Arsenic pollution in the water supply using surface water? |
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| Q3. What kind of advantage can we have, when we change the coagulant from aluminum sulfate to PACl? |
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| Q4. How do algae present in sedimentation tank and influence to water treatment process? (under the translation to English) |
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| Q5. How do you control weed in raw water canal ? (under the preparation) |
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| Q8. For supplying safe water, please show me an example to keep cleanness at pipe construction site . |
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| Q9. Could you advise me on applicability of chlorine dioxide for disinfection? |
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| Q10. Row Water contains high concentration lime. Can lime removed by Bio-filtration method? |
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| Q11. 1. Control of weed in raw water channel. 2. Chemical use for removing of Duck lettuce (Ottelia alismoides). |
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| Q12. Please compare Cl2 gas with NaClO as a disinfectant (characteristic, easiness of O&M, cost). How many grams of commercial NaClO correspond to the Cl2 gas 1g? |
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| Q12-2. Please compare the commercial NaClO with produced one by the house generation system of electrolysis method. And how many Watt of electric power are necessary for producing １g NaClO ? |
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