The Future of Sludge Dewatering

Prepol is a high-performance product specifically developed to improve sludge dewatering. This iron citrate-based product with further selected additives ensures increased drainability, better floc stability and a visibly clearer filtrate.

Balancing chemicals in your clarifier is the key to unlocking vast improvement in your results. By assessing and analysing your specific needs, ACORN Water can determine the perfect blend of chemicals to dramatically improve your wastewater treatment. By combining chemicals like Prepol to improve sludge dewatering with the unparalleled power of the precipitant Z15, we can ensure your plant is working to its optimum potential.


Prepol® Advantages

•Improves drainage properties.

•Augments polymer performance.

•Produces a cleaner, clearer filtrate.

•Increases dry solids content.

•Reduces polymer demand.

•Strengthens floc structure for superb floc stability.

•Increases floc density.

•Prepol is an environmentally friendly chemical, it does not contain additives that would negatively impact your treatment plant.


Appearance: Yellow, low-viscosity liquid.

Density: ca. 1.25 – 1.35 g/cm³.

Solubility: Completely water miscible.

Stability: Prepol is stable for at least 6 – 12 months. Possible slight cloudiness does not affect product performance.


Prepol is used for sludge dewatering following digestion. The product is recommended to be dosed at a turbulent point ahead of the dewatering equipment to ensure good mixing and optimum product performance.

Packaging and Delivery

  • 1,000L IBC.
  • Bulk tanker.
  • Prepol is classified as UN 1760, according to the regulations for the transport of dangerous goods.

Project Timeframe and Impact

Week 1– Dose upstream of polymer dosing.

Week 3– Your treatment plant will see results within days of the first treatment.

Week 6-8– Full results will occur.

Prepol and ACORN Water-the new standard for sludge dewatering. Download the Prepol Production Information brochure here.

Contact the ACORN Water team today to discuss how Prepol can dramatically improve your sludge dewatering.




We deliver our products in various bulk and mini-bulk formats. Talk to our sales team today to discuss your specific shipping requirements.

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