tissue digester design advancements - pri bio
Post on 09-Aug-2015
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TRADITIONAL DESIGN VS. TTD DESIGN• No Basket or Bone
Handling• Complete Process within
Vessel• Reduced Water
Consumption• Reduced Caustic Usage• Lower Operating Cost
DESIGN ADVANCEMENTS• Process contained within
vessel - No recirculation pumps
• Pressurized barrier fluid, double mechanical seals
• Reduced maintenance requirements and cost
• Visual monitoring of process• Batch Report verification• Flexible Steam, Gas, Electric
or other Heat Source• Closed Loop or Direct
Cooling
Tissue Loading Level
Liquid Level
Note: Minimal Water Use (<10% of tissue weight)
Bio Sealif required
Heating/Cooling Module
Basement Level
First Floor
CausticSolution
Vent FilterModule if required
Advancements Over Traditional Design
Traditional Design TTD Design
TTD Mechanical Design
PRI BIO | 700 Industrial Dr., Dupo, IL 62239 | p. 618.286.5000 | f. 618.286.5009 | pri-bio.com
PRI BIO | 700 Industrial Dr., Dupo, IL 62239 | p. 618.286.5000 | f. 618.286.5009 | pri-bio.com
TTD Wet or Dry Process
• Low BOD “Dry” Discharge forms a “cake” appropriate for ordinary landfill• Sterile Dehydration Distillate is suitable for sewer disposal• TTD Design Eliminates basket material handling issues
Durable Double-Mechanical Seal Rugged, Internal Agitator/Rotor Dry Discharge “Cake”
Wet Process Dry Process
Solid Disposal
Low BODHigh BOD
• Up to 85% Reduction in Caustic • Internal Mechanical Agitation • Minimal Material Handling
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