Ultrafiltration System

Digested Organics offers a comprehensive range of wastewater solutions, including two distinct ultrafiltration system platforms designed to effectively remove suspended solids. 

Employing cutting-edge cross-flow membrane technology, these solutions provide robust clarification and concentration capabilities, making them the ideal choice for various wastewater and process streams. 

Our commitment to innovation ensures that our ultrafiltration system options cater to your specific needs, delivering unmatched performance and reliability in wastewater treatment and resource recovery processes.

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Stainless Steel Ultrafiltration System

  • Porous stainless-steel tubular membranes (5/8” ID) with an internal titanium dioxide coating (0.02 micron average pore size).
  • Welded and bolted construction adhering to ASME code-stamped pressure vessel standards.
  • Available in lengths of 5′, 10′, and 20′ with flexibility in diameter.
  • Membranes boast a remarkable lifespan of over 10 years, even in challenging applications, requiring minimal downtime, maintenance, or repair.
  • A simple, robust system with no internal moving parts, featuring an efficient externally mounted pump.
  • Offers flexibility and tunability, operating in both batch-mode and continuous mode, and can be mounted horizontally or vertically.
  • Minimal pre-filtration required for effective operation.
  • Proudly manufactured in the USA, ensuring top-quality performance and reliability for your filtration needs.





Tube Module





Large vertical UF project for manure digestate being installed in Wisconsin, 2023



Polymeric Ultrafiltration (pUF)

  • Our pUF consists of a unique PVDF membrane chemistry, energy-saving module design, and patented closed-loop operating protocol for achieving high permeate recoveries.
  • Our pUF performs in high strength, high solids wastewater treatment or thickening applications, providing UF quality effluent (0.04 micron pore size) with minimal energy consumption.
  • Our pUF is the world’s only outside-in crossflow UF membrane filtration technology for high strength and high solids wastewater.



Our Parallel Channel PVDF Module

  • Outside-in permeation occurs in parallel channels
  • The required crossflow velocity to achieve high flux rates is 2-10x less than tubular membranes, resulting in dramatic energy savings
  • High membrane packing density (385 ft2 in a 10” x 10’ module)
  • Up to 20 psi backwashing capability to maintain peak performance
  • Systems are designed to run continuously in a feed and bleed configuration or with internal concentrate thickening in a repeat batch configuration
  • Typical electrical consumption: 2.5-3.0 kwh/1,000 gal of permeate


  • Food and Beverage
  • Food Waste
  • Stillage Filtration
  • Agriculture
  • Landfills
  • Wastewater Filtration

What are Ultrafiltration Systems?

For those less acquainted with our technology, Mott’s Ultrafiltration Systems stand as a testament to advanced filtration solutions. Utilizing state-of-the-art porous stainless-steel tubular membranes with a titanium dioxide coating, our systems offer exceptional filtration capabilities. With a lifespan of over a decade in challenging applications and minimal maintenance requirements, Mott’s Ultrafiltration Systems redefine the standards of longevity and reliability. Explore how our innovative technology can elevate your filtration processes, delivering cleaner and more efficient results in diverse industries and applications.

FAQs: Ultrafiltration Systems

Q: What are Ultrafiltration Systems?

A: Ultrafiltration Systems are advanced filtration technologies designed to remove suspended solids, particulates, and contaminants from liquids using ultrafine membranes. These systems provide efficient clarification and concentration of various fluids, making them essential in wastewater treatment, industrial processes, and more.

Q: How do Ultrafiltration Systems work?

A: Ultrafiltration Systems employ porous membranes with incredibly small pore sizes to separate particles and impurities from liquids. As the liquid passes through these membranes under pressure, solids and contaminants are retained, resulting in clarified and purified liquid output.

Q: What are the key benefits of using Ultrafiltration Systems?

A: Utilizing Ultrafiltration Systems offers numerous advantages, including improved water quality, reduced wastewater disposal costs, enhanced resource recovery, minimal environmental impact, and versatile applications in various industries.

Q: In which industries are Ultrafiltration Systems commonly used?

A: Ultrafiltration Systems find applications across a wide range of industries, including water treatment, food and beverage, pharmaceuticals, chemical manufacturing, and more. Their versatility and efficiency make them valuable tools in processes requiring precise filtration and separation.