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prudenceeng@sltnet.lk
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Join Date: Aug 2009
Posts: 5

Demineralization

08/05/2009 12:12 AM

i have input TDS 1400ppm and free of silica and Co2. Hope to reduce output TDS via cation and anion exchange resins to 100ppm.

i want to know how to calculate the DM plant load and all procedures to design a plant.

output should be 3000litres per hour
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PWSlack
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#1

Re: de mineralise plant

08/05/2009 3:21 AM

And the reason this one cannot be done by developing a flowsheet in collaboration with a specialised water treatment company is what, please?

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DVader1000
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Engineering Fields - Environmental Engineering - New Member APIX Pilot Plant Design Project - Member - New Member

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#2

Re: de mineralise plant

08/05/2009 11:42 AM

What minerals constitute your TDS?

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prudenceeng@sltnet.lk
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Join Date: Aug 2009
Posts: 5
#3
In reply to #2

Re: de mineralise plant

08/05/2009 1:23 PM

it contains

  1. chloride 514ppm
  2. total hardness 400ppm
  3. sulphate 45ppm

please advise me aprropriate

regards

sahan
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DVader1000
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#4
In reply to #3

Re: de mineralise plant

08/06/2009 11:23 AM
  1. chloride 514ppm: chloride replacement anionic resin.
  2. total hardness 400ppm: water softener, followed by sodium replacement cationic resin.
  3. sulphate 45ppm: sulphate replacement anionic resin. The chloride replacement anionic resin may also work for this. Check with your supplier.
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