Digested Organics has solutions for both small and large farms, in addition to sites that already have a digester. Our advanced filtration systems help turn manure or digested liquids into clean water and concentrated fertilizers. We can also process farm runoff or leachate to produce clean water and concentrated nutrients for land application. We specialize in manure filtration, water reclamation, and digestate management.
Key Benefits
Reduce manure hauling & spreading costs
Minimize manure and digestate volumes
Grow your herd or increase digester throughput without adding more land
Compact, scalable, and modular designs for any size operation
Reduce odors, pathogens, and runoff
Manure Concentration before Digestion
Solutions
Spiral Brush Filter
- Remove 15-30% of phosphorus in manure, digestate, or lagoon effluent
- Screen manure or digestate to reduce build-up of solids in lagoons
- Eliminate clogging of irrigation nozzles by screening lagoon effluent
- Remove suspended solids prior to treatment with FO
Stainless Steel Ultrafiltration
- Remove 90+% phosphorus, ~50% total nitrogen, and 99.9+% pathogens from manure and digestate
- Concentrate phosphorus and organic nitrogen into 25% of original volume
- Create transparent UF permeate for irrigation, reuse as flush water or sand cleaning water, and application to growing crops as fertilizer
Superfiltration
- The World’s Most Anti-Fouling Membrane
- Filterability and Cleanability
- Fouling Resistant Nanofilter
Illustrated Process Flow Diagram for Farm or Digester
1. Coarse Solids Separation
We typically use a screw-press, vibratory screen, or our Spiral Filter to remove large solids from manure and digestate prior to ultrafiltration.
2. Ultrafiltration
We utilize our robust stainless steel ultrafiltration system to remove suspended solids, pathogens, phosphorus and organic nitrogen from manures and digestate, creating a high solids concentrate and transparent permeate (sometimes called tea-water).
3. Water Polishing
For redundancy, we use ultraviolet light to disinfect the water and polish it depending on its final use (such as by aeration).
1
Pre-Filtration
6
Biofiltration
7
Ultraviolet Disinfection
1. Pre-Filtration
2. Stainless Steel Ultrafiltration
3. Reverse Osmosis
4. Superfiltration
5. Reverse Osmosis
6. Biofiltration
7. Ultraviolet Disinfection
Don Heilman Interview with Pam Jahnke,
The BC Organics Project in Greenleaf Wisconsin
Looking for a manure or digestate management solution?
Case Studies
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Project Gallery
Reference Articles
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