Floccin™ 1105 Facilitates 100% Wastewater Reuse

Aggregrate Industry Wastewater Success

Floccin™ 1105 Facilitates Wastewater Reuse

This facility manufactures crushed rock and DOT approved road base for several state highway and airport expansions.

The facility neglected to install a soils entrainment and control plan or system and is in violation of their discharge permit. Integrated Engineers was requested to evaluate the site and make recommendations and a proposed system to mitigate this surface water runoff problem.

The sample from this aggregate operation was jar tested onsite with Floccin™ 1105. With minimal mixing (less than 30 seconds), the solids were agglomerated into a quick settling Floc as shown below.

Part of the proposed 500 gpm system was to utilize this water and reuse 100% of it in their rock washing operations. The dosage was 0.25 grams/1,000 ml.

Aggregate Industry Wastewater Treatability Test Before & After Treatment

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Floccin™ 909 Wastewater Treatability Test

Sand & Gravel Industry Wastewater Test

Floccin™ 909 Wastewater Proves Highly Effective

The wastewater sample that was received from the facility was at a pH of 6. The sample was jar tested with the Floccin™ 909, mixed for 3 minutes and it treated easily with a dosage of 0.3 grams/1,000 ml which equates to a dosage of 2.5 lbs/1,000 gallons.

The solids in the treated water beaker settled in 30 seconds. The facility uses 1,000 gpm in a closed loop to wash the crushed rock to wash off the sand and dust and would like to obtain cleaner wash water to eliminate the dusting when the finished rock is loaded, transported and dumped at the customer’s site.

For this flow, the usage rate is 2.5 lb/minute or 150 lbs/hour. The treated water had very low turbidity with a suspended solids less than 10 ppm. The results are shown in the photos below:

Sand & Gravel Industry Wastewater Treatability Test Before & After Treatment

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