Hi Asher,  Along with the AOP ...

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Hi Asher,  Along with the AOP treatment, quick COD monitoring will be important to determine efficiency and also are you meeting the final limits. We are involved in a similar project in Europe to reduce hard COD in water intensive industries.  Using peroxide AOP or O3 which can product peroxide, will lead to false high COD results when measuring with the dichromate method. Our project discovered H2O2 is a positive interference to the CODCr method.  We have a green chemistry method that generates the COD results in 15min.  It is available as on-line and lab units.  Send me an email rmenegotto@mantech-inc.com if you would like additional information.  Robert