Hydrogen peroxide to clean filter media

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Does anyone here have first-hand experience with using hydrogen peroxide to clean their filter beds?

I understand there are some surface water plants which use the strong oxidative properties of H2O2 to remove accumulations of organics and manganese from their media.

How effective has this proven in your plant?

If you have actually used this effectively, I would like to hear from you.

I am hoping to resurrect a filter where strong sodium hypochlorite doesn't do quite enough, but the media is only a couple years old and mechanically in good shape.  

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9 Answers

  1. I SUGGEST YOU TO USE SODIUM HYPOCHLORITE AND ADD 0.5 CAUSTIC SODA (NaOH) AND MIXED IT IN YOUR CHEMICAL CLEANING TANK FOR FILTER CLEANING CIRCULATE IT FOR 1/2 HOUR PH MUST BE 11 TO12.5 AND AFTER THAT FLUSH YOUR FILTER MAKE IT NEUTRAL  PH AND AFTER ADD HCL 1% TO 2% PH MUST BE 2 TO 3.5 AND CIRCULATE 1/2 HOUR ANS SOAKED IT FOR 8 HOURS.

     

     

    REGARDS

    ABDUL GAFFAR - SENIOR CHEMIST

  2. I SUGGEST YOU TO USE SODIUM HYPOCHLORITE AND ADD 0.5 CAUSTIC SODA (NaOH) AND MIXED IT IN YOUR CHEMICAL CLEANING TANK FOR FILTER CLEANING CIRCULATE IT FOR 1/2 HOUR PH MUST BE 11 TO12.5 AND AFTER THAT FLUSH YOUR FILTER MAKE IT NEUTRAL  PH AND AFTER ADD HCL 1% TO 2% PH MUST BE 2 TO 3.5 AND CIRCULATE 1/2 HOUR ANS SOAKED IT FOR 8 HOURS.

     

     

    REGARDS

    ABDUL GAFFAR - SENIOR CHEMIST

  3. I SUGGEST YOU TO USE SODIUM HYPOCHLORITE AND ADD 0.5 CAUSTIC SODA (NaOH) AND MIXED IT IN YOUR CHEMICAL CLEANING TANK FOR FILTER CLEANING CIRCULATE IT FOR 1/2 HOUR PH MUST BE 11 TO12.5 AND AFTER THAT FLUSH YOUR FILTER MAKE IT NEUTRAL  PH AND AFTER ADD HCL 1% TO 2% PH MUST BE 2 TO 3.5 AND CIRCULATE 1/2 HOUR ANS SOAKED IT FOR 8 HOURS.

     

     

    REGARDS

    ABDUL GAFFAR - SENIOR CHEMIST

  4. I SUGGEST YOU TO USE SODIUM HYPOCHLORITE AND ADD 0.5 CAUSTIC SODA (NaOH) AND MIXED IT IN YOUR CHEMICAL CLEANING TANK FOR FILTER CLEANING CIRCULATE IT FOR 1/2 HOUR PH MUST BE 11 TO12.5 AND AFTER THAT FLUSH YOUR FILTER MAKE IT NEUTRAL  PH AND AFTER ADD HCL 1% TO 2% PH MUST BE 2 TO 3.5 AND CIRCULATE 1/2 HOUR ANS SOAKED IT FOR 8 HOURS.

     

     

    REGARDS

    ABDUL GAFFAR - SENIOR CHEMIST

  5. I SUGGEST YOU TO USE SODIUM HYPOCHLORITE AND ADD 0.5 CAUSTIC SODA (NaOH) AND MIXED IT IN YOUR CHEMICAL CLEANING TANK FOR FILTER CLEANING CIRCULATE IT FOR 1/2 HOUR PH MUST BE 11 TO12.5 AND AFTER THAT FLUSH YOUR FILTER MAKE IT NEUTRAL  PH AND AFTER ADD HCL 1% TO 2% PH MUST BE 2 TO 3.5 AND CIRCULATE 1/2 HOUR ANS SOAKED IT FOR 8 HOURS.

     

     

    REGARDS

    ABDUL GAFFAR - SENIOR CHEMIST

  6. I SUGGEST YOU TO USE SODIUM HYPOCHLORITE AND ADD 0.5 CAUSTIC SODA (NaOH) AND MIXED IT IN YOUR CHEMICAL CLEANING TANK FOR FILTER CLEANING CIRCULATE IT FOR 1/2 HOUR PH MUST BE 11 TO12.5 AND AFTER THAT FLUSH YOUR FILTER MAKE IT NEUTRAL  PH AND AFTER ADD HCL 1% TO 2% PH MUST BE 2 TO 3.5 AND CIRCULATE 1/2 HOUR ANS SOAKED IT FOR 8 HOURS.

     

     

    REGARDS

    ABDUL GAFFAR - SENIOR CHEMIST

  7. I SUGGEST YOU TO USE SODIUM HYPOCHLORITE AND ADD 0.5 CAUSTIC SODA (NaOH) AND MIXED IT IN YOUR CHEMICAL CLEANING TANK FOR FILTER CLEANING CIRCULATE IT FOR 1/2 HOUR PH MUST BE 11 TO12.5 AND AFTER THAT FLUSH YOUR FILTER MAKE IT NEUTRAL  PH AND AFTER ADD HCL 1% TO 2% PH MUST BE 2 TO 3.5 AND CIRCULATE 1/2 HOUR ANS SOAKED IT FOR 8 HOURS.

     

     

    REGARDS

    ABDUL GAFFAR - SENIOR CHEMIST

  8. Started using Caustic Soda (NaOH) 18 months ago and had very good results to remove organics, and restored filter media. Need to monitor Backwash water and neutralize with an acid.

  9. Yes, I have used it for over 10 years at the end of summer operation.

    I have 4- 10'x12' multi-media filters and add 6 gallons/ filter soak for 48-72 hrs. then backwash any be care full if you return the backwash water will react with any chlorine.

    Mike 

     

    1 Comment

    1. It will indeed react, Mike. Previous plant I was at back when I was new to the municipal side of things we had to "preoxidize" the raw incoming water in hopes of reducing disinfection byproducts. That failed as expected; it was a game to show we were taking the issue seriously while we awaited the powers that be to finally decide upon funding an aeration system in our reservoir. One day we tried upping the dose of peroxide slightly. We discovered what an excellent dechlorinator peroxide is! (Expensive one at that!) had to rechlorinate a 300k Gal clearwell to keep from busting CT.

      Lesson learned!

      Do you use the 50% strength?