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UGSI PolyBlend Liquid Polymer Wetting & Activation System

UGSI Polymer Feed Systems

A PolyBlend M Series Polymer Feed System provides a tapered mixing chamber that provides high performance polymer mixing and feed. The PolyBlend® system applies high mixing energy at the first contact of polymer and water for a short duration on initial shear. The system also applies mixing through a tapered regime, which minimizes polymer agglomeration and fracturing. After initial wetting or inversion in the high-shear impeller zone of the unit, polymer solution passes through a cylindrical processing zone where it is subjected to continuously decreasing shear rates over a period of time. The unit is equipped with “C” Controls functions, which along with a variable speed mixer offers a system with unmatched activation flexibility. The controller is capable of maintaining constant solution strength by sensing changes in incoming make-up water flow and automatically responding to these flow changes via a motor-driven control valve. Even primary and secondary dilution water is kept at the same ratio as output is adjusted.

 

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West Carrollton, Ohio Case Study

  • Installed 2002
  • 1.5 MGD; 200 wet tons/month of sludge
  • Polymer is added to the sludge prior to belt press dewatering to aid in liquid-solid separation.
  • Since installation, the new feed system has required virtually no maintenance.
  • Cost of the PolyBlend® feed system was approximately 15 percent of the cost of a new, two-stage dry polymer feed system.

“We got what we were looking for in a new polymer feed system,” says Scherack. “Our new PolyBlend® system has a much smaller footprint than our old system, while still providing a high level of polymer activation and with no maintenance headaches. And, we got all this for a lot less cost upfront.”

Yucapia, California Case Study on Polymer Savings of Mechanical vs Hydraulic Mixing

  • Henry N. Wochholz Regional Water Recycling Facility (WRWRF)
  • WWTP consists of primary, advanced biological secondary and tertiary treatment with advanced total nitrogen removal.
  • 8 MGD (million gallons per day).
  • Examined the polymer use of the existing dewatering belt filter presses. Specifically, their existing polymer mixing system utilized a non‐ mechanical, hydraulic mixing approach to activate their emulsion polymer.

Recognizing that today’s polymers are fully activated only after a short‐duration high shear/energy mixing regime that breaks up polymer agglomerations followed by a lower energy mixing zone that prevents polymer chain destruction, the team engaged UGSI Solutions to pilot their Polyblend® polymer activation system. Polyblend® systems have a two zone mechanical mix chamber that imparts the appropriate G‐value or mechanical shear to emulsion polymers and then allows the expanding polymer chains to “uncoil” and reach the optimal viscosity.

YVWD installed the PolyBlend® demonstration system in the dewatering building, side‐by‐side, with the existing polymer mixing system. The trial included a comparison of both polymer systems treating the same sludge on separate belt filter presses. During the demonstration period of 60 days the Polyblend® reduced polymer use from 67 pounds per day to 47 pounds per day, a 30% savings.

60 Day Comparison Polyblend® M‐Series Hydraulic Polymer

Mixing System

Savings
Polymer Use 47 Pound Per Day 67 Pound Per Day 30% Savings

The Polyblend® polymer activation system combines proven mechanical mixing technology, precise controls, a variety of pump offerings, and an easy‐to‐service open‐frame design. Additionally, two stage dilution, automatic dosage control further protect the fragile expanding polymer and further explain the success of the trial. Finally, polymer savings with a significant reduction of polymer loading, and the desire to maintain the high standards set by the staff at YVWD, was a major influence on the decision to ultimately purchase the Polyblend® system.

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PB Series A compact footprint of only 1 to 1.5 square feet depending on frame size. It is lighter than most polymer feeders, making it ideal for portable use or where intermittent use requires the system to be stored in one location and used in another. Available in a wide range of capacities up to 75 US gpm (280 l/min).
M-Lo Series Engineered for easy installation and maintenance and ready-to-install, the system provides consistent and accurate dosage and improves polymer efficiency. Its compact size and trouble-free installation are ideal for confined spaces and the open-frame design facilitates easy component access. Available in capacities from 0.4 to 2.5 US gph (1.5 to 9.5 lph).
M Series Combines proven motorized mixing technology with precise controls, a variety of pump offerings and an easy-to-service open-frame design. Then we add two unique options: variable speed mixing and automatic dosage control with constant solution strength. Available in a wide range of capacities up to 200 US gpm (760 l/min).
H Series Features a hydraulic mixing polymer feed system, however either our PolyBlend® M or PB series polymer mixers can offer you the reliability you trust to handle the mixing capacities that were offered in the PolyBlend® H series.
DP Series PolyBlend® DP systems have an unmatched reputation for reliability. The DP system typically reduces polymer consumption 25% or more while substantially improving polymer performance in terms of sludge dryness, solids capture, water clarity, drainage / retention, or any other measure. Available in a wide range of capacities up to 45 pounds/hour (20 kg/hour).
Accessories A multitude of accessories are available for your PolyBlend® systems, including dry polymer extension hoppers and bulk bag frameworks, tables, drum mixers, air dryers, and more.