Multi-disc Screw Press MDQ

Case Study: Western Hancock Utilities, Indiana

At Esmil, we pride ourselves on delivering cutting-edge solutions for the most challenging wastewater treatment scenarios. We are pleased to share our success story with Western Hancock Utilities in Indiana, where our expertise in dewatering waste-activated sludge (WAS) made a significant impact on operational efficiency.


Western Hancock Utilities faced the pressing challenge of efficiently dewatering WAS from their oxidation ditch at the wastewater treatment plant. Achieving optimal dewatering results and minimizing polymer consumption were key objectives. The system was sized to handle up to 185 GPM at 1.5% initial DS content waste-activated sludge. The minimum cake DS requirement was 18%.

Multi-disc Screw Press MDQ


Esmil stepped up to the challenge by offering an on-site pilot test, which allowed us to gather solid data points and identify the most efficient polymer and polymer consumption levels. Our commitment to precision and excellence shone through in every aspect of the project

1 – Pilot Test Success: Our pilot test yielded stellar results, demonstrating our ability to achieve the desired levels of dewatering efficiency and dry solids concentration.2 –
2 – Comprehensive Dewatering Package: Esmil provided Western Hancock Utilities with a comprehensive dewatering solution, including:

  • Esmil multi-disc dewatering press with advanced controls.
  • A polymer feeder for precise chemical dosing.
  • A sludge pump equipped with a flow meter for accurate monitoring.
  • Two Esmil shaftless screw conveyors to efficiently transport dry cake away from the press discharge to a designated dumpster.

3 – Smooth Start-Up: Our team ensured a seamless and successful start-up of the dewatering system, all completed within the designated timeframe in July 2023.


Thanks to Esmil’s expertise and state-of-the-art dewatering technology, Western Hancock Utilities achieved all that they required and more at their wastewater treatment plant. Our commitment to data-driven solutions allowed us to optimize polymer consumption, minimizing operational costs while maximizing performance.

Multi-disc Screw Press MDQ

Choose Esmil for Your Dewatering Needs:

This success story with Western Hancock Utilities is just one example of our dedication to delivering exceptional results. When you partner with Esmil, you benefit from:

  • Innovative solutions tailored to your specific challenges.
  • A commitment to data-driven decision-making for efficiency and cost-effectiveness.
  • Reliable and professional project execution, from pilot tests to start-up.

Esmil is your trusted partner in wastewater management, providing cutting-edge solutions that make a measurable impact on your operations. Contact us today to learn how we can help you optimize your wastewater treatment processes and achieve remarkable results.

Esmil Group

Esmil Group stands as a premier global manufacturer, crafting cutting-edge equipment for wastewater treatment and sludge dewatering. Additionally, we specialize in delivering advanced membrane systems tailored to various industries.

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Equipment for Wastewater Treatment & Sludge Dewatering.

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Equipment for Sludge Dewatering in the USA.

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