What are the main fuction of using the following chemicals in Water Treatment :
1-NA2S2O5-SODIUM METABISULFIT
2- NaOCl
3- H2SO4
4- NAOH
5- COAGULANT
6- POLYELECTROLYTE


:)

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Quote:

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Originally Posted by Rana Saeidi

What are the main fuction of using the following chemicals in Water Treatment :
1-NA2S2O5-SODIUM METABISULFIT
2- NaOCl
3- H2SO4
4- NAOH
5- COAGULANT
6- POLYELECTROLYTE


:)

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1. Used to prevent biological fouling of an R.O. membrane during storage.
2,3,4. Essentially "detergents" used for membrane cleaning of mineral and biological deposits.
5. Assists in keeping "desolved salts" into groups large enough for the membrane to filter out. R.O. membranes will filter out particals down to the size of a virus.
6. Ph adjustment of product water.

Hope this helps...

Quote:

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Originally Posted by Clough

If you are looking for us to do your homework for you here, that's not going to happen. If you post what you think are the answers and leave it for us to critique and discuss with you, as far as what the correct answers might be, then that is reasonable.

Please see the information on the following link. https://www.askmehelpdesk.com/math-s...-b-u-font.html

Thanks!

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Thanks, I agree with you. I'm new at this... I did a job in Angola, Africa, once. There the R.O. plants' chemicals had been stored in direct sunlight, and the lables badly faded. The result was the operators (whose english wasn't fluent) weren't sure what they were doing. I was sent in to "clean up the mess". I suppose a "knee jerk" reaction caused my answere.