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Topic: pH Adjustment  (Read 5482 times)

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Offline mubball

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pH Adjustment
« on: October 21, 2008, 12:03:50 PM »
I am a water treatment professional and our company has an application to adjust the pH of the effluent water from a split stream dealkalizer.  The pH of the effluent will be 6.7-7.0 and the target is to elevate the pH to 10 before the boiler.  The M-Alkalinity as CaCO3 is 114 ppm.  The flow rate of the treated water will be 1600 gpm.  My question is how much 20% NaOH will be required per day to elevate the pH as described above?
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Offline enahs

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Re: pH Adjustment
« Reply #1 on: October 21, 2008, 08:50:27 PM »
Because you have a starting range of 6.7-7, you can ignore the Alkalinity for your calculations.
So, how much 20% NaOH would it take to raise the pH of 1 liter of water at 6.85 water to 10? How many liters in a day?

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