Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by sujith1984

  1. sujith1984

    How to remove Tannin from my well water

    Thanks dfmorvan, I will try that , but the problem is availability of raw materials , I could find some softeners with cation resin online , but anion resin is hard to find. [sad]
  2. sujith1984

    How to remove Tannin from my well water

    Thanks dfmorvan, I am attaching the test report I have (I dont think it is a detailed chemical analysis), as of now alum dosing is doing the trick ok clearing the water but it takes the whole night to settle the sediments...
  3. sujith1984

    How to remove Tannin from my well water

    Hi,Dfmorvan Thanks for your suggestions. Yes I am from India, I talked with a so called water treatment expert about a resin media filter and he was saying like 1. Resin treated water will cause skin irritation. 2. Resin needs to be replaced every month. Is that true?
  4. sujith1984

    How to remove Tannin from my well water

    @Ashtree, Thanks for the help, I tried dosing alum (about 30 gms to a 500 L storage tank) and stirred it for few minutes and that worked, morning the water was clear [bow]. @Bimr I use the RO filter for bathing my kid, drinking and kitchen purposes, but for whole house use RO will be costly ...
  5. sujith1984

    How to remove Tannin from my well water

    Yes Ashtree, I may have overdosed alum considering your 10mg/L suggestion.Yes my whole house filter contain activated carbon as 3rd stage (its a 3 stage filter). I will try dosing as per your suggestion and let you know the result.
  6. sujith1984

    How to remove Tannin from my well water

    Thanks for your reply Ashtree [bigsmile]. In-fact I have a whole house filter installed, which successfully removes the chlorine and additionally I have installed an iron removal stage in my RO + UV filter. I tried using stable bleaching powder but, as you said the reaction is slow, actually its...
  7. sujith1984

    How to remove Tannin from my well water

    Hi All, I am new to this forum, in-fact I am new to water treatment (I am software engineer), I recently bought a house (I put all my earnings plus a home loan), the only water source of that house is a tube well and the water has yellow color if it is in a clear glass and orange color (petrol...

Part and Inventory Search