Treating Glycol in water with limited space

Published on by in Technology

We are treating a runoff pond for PFAS and have discovered Glycols in the water.  We do not have space for biotreatment. What other technologies  have been proven?

Much appreciated

Taxonomy

12 Answers

  1. Glycols can be treated with high rate anaerobic processes.  The Albany New York airport had a separate dedicated treatment system for treating  ​glycol from ​plane de-icing.    ​However if your PFAS are fire suppressing foam products that can be problematic to treat.   This is because the methane produced during waste treatment bubbles out of the wastewater and creates methane bubbles in  the foaming agents which fouls the biogas equipment.   

  3. Hi Barry,

    The rate of reaction of O3 with alcohols is slow and as such ozonation is not a reasonable option for the degradation of glycol in your run-off water.

    The Fenton process provides a better option; it has been used to treat airport run-off contaminated with high concentration of glycol.

    Good luck

    A. Amiri (a.amiri@cogeco.ca)  

  4. We are treating 500 gpm, The glycol spikes during a snow event, concentrations are not known during these events. The background is 8 ppm. Biodigesters would be large has anyone had sucess with ozone?

    1 Comment

    1. Hi Barry, we also work with AOP with 16 years of experience re-purifying wastewater as drinking water or treating industrial to meet discharge EPA standards, such as congenital (hydrocarbon) wastewater.

      Our standard size size 1 lps (15.85 gpm) requires around 22 yd2, of course O&G WW requires larger area; complementary retrofit must be evaluated.

      Our standard certified WWP test is US$40,000 including five emergent pollutant compounds.

      I know very well airplain deicing, so if you would like to share the ww content even if were very low to figure out, I'll appreciate.

      For your confidence, any WWP challenge we have had, have been successfully solved.

      Since 2018 I re-started up as microenterprise but still connected with my ex-partner if were necessary.

      I keep pending of your information or comments

      Regards

      Arturo Constante

      M. +52 55 3155-9654

  5. Compact units for distilliation must operate under vacuum and be designed for azeatropic mixtures.

  6. Distillation,

    vaccum evaporation is compact and

    we already treat a lot of different types of water with glycol (even plane de-icing water).

    see KMU LOFT

    best regards,

  7. amdy rana7 minutes ago

    Mr Waymon Hofheins

    Your given ​solution is ​best  ​however glycol ​concentration ​in water will ​matter a lot in ​term of ​treatment Time. ​

    Best Regards

    Amdy

  8. We have isolated bacteria for the destruction of glycols, and package a blend of species for this application.   These bacteria also occur naturally, but they change rapidly.  So if this is an ongoing the purchase of cultures would speed up the digestion.  Also below 20% glycol reacts best.  The breakdown also requires a pH of 7 to 7.9 with about a 7.6 ph the best.  We have put air injections into the system, and handle aeration equipment specific for ponds. Do you have electric power at the site?  If not there are some alternates, but a power supply is best.   The aerobic process requires air, and a small amount of phosphate and nitrogen.  The analysis of the water should provide a understanding of the food available.  Ethylene Glycol breaks down faster than propylene glycol under the same conditions.   If this is a small pond you could get aeration equipment and throwable bags of bacteria cultures that would reproduce themselves.  For a larger application we have set up ponds for receiving plane deicing glycols with bacteria growth chambers with food.  That way we grow our own on site.  It all depends on the amount of glycols you need to destroy.   What is the industry discharging the glycols?

    1 Comment

    1. Mr Waymon Hofheins

      Your given solution is best  however glycol concentration in water will matter a lot in term of treatment Time.

      Best Regards

      Amdy

  12. distillation?