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DAF issues and chemicals that reduce BOD, TSS, FOG

By March 9, 2017Uncategorized

 The following video is of a dissolved air floatation system (also known as a DAF) at a major food processing customer. The customer contacted Bond to evaluate …

 The following video is of a dissolved air floatation system (also known as a DAF) at a major food processing customer. The customer contacted Bond to evaluate and reduce the amount of TSS, FOG and BOD in their processed effluent in hopes of lowering their surcharges and getting back in favor with the local POTW.

After an evaluation of the plant operations, wastewater stream strengths, treatment equipment and treatment chemistry a plan was initiated. Our major challenge is the DAF is undersized from an influent water flow and strength standpoint. The “air to solids ratio” is too low to properly float the solids with acid cracking chemistry and results in carryover.

Our plan was to implement a more “friendly floating” chemistry to simply remove TSS and free oil.

Have questions about DAF or other wastewater needs. Contact our wastewater treatment specialist John Dunford at 804-912-3895 or email to jdunford@bondwater.com

As we explain in the video our goals were to…

1. Reduce surcharges for TSS, BOD and FOG?
2. Reduce specialty chemical expenses?
3. Get back in favor with the local POTW?
4. Develop a monitoring system for the operators?
5. Provide a training program for the operators?

When were done we had…

1. Reduced surcharges for TSS, BOD and FOG – TSS and free oil removal have resulted in surcharges being reduced by 75%!!

2. Reduced specialty chemical expenses – Specialty chemical expenses have been reduced almost 40% using Bond products!!

3. Got back in favor with the local POTW – YES!!

4. CUSTOMER SAVINGS = $25,000!!

Bond’s continued value plan for servicing the customer includes:

• Routine service visits to monitoring chemical usage and system KPI’s

• Routine service reports covering system performance and chemical usage/cost

• Routine Jar Testing

• Routine Operator Training

• Dewatering project to further reduce solids handling costs

Have questions about DAF or other wastewater needs. Contact our wastewater treatment specialist John Dunford at 804-912-3895 or email to jdunford@bondwater.com

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