Na ion removal issue

2016-10-11View Original

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2-stage RO + EDI + mixed-bed; the output water from the 2-stage RO system has a conductivity of less than 2, the resistance of the EDI unit is 16.5–16.7, and the output water from the polishing mixed-bed has a conductivity of 18–18.1. The current issue is that the Na ion concentration is at 0.3 ppb, while the requirement for process water is below 0.1. Is there any way to adjust this? :(

Reply #22016-10-12

Is your polishing mixed-bed of electronic grade or nuclear grade? The electronic-grade estimate isn’t sufficient; nuclear-grade is likely required. Feel free to contact me if you need anything.

Reply #32016-10-14

UP6150? Which company’s grade is this? Is it electronic or nuclear-grade?

Reply #42016-10-14

I’m not sure about this; I’ll go ask the equipment supplier tomorrow

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Na ion removal issue

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