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Comparing Membrane Bioreactors & the Sequencing Batch Reactor
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Comparing Membrane Bioreactors & the Sequencing Batch Reactor

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Comparing Membrane Bioreactors & the Sequencing Batch Reactor for Food and Beverage Applications. Free Research Paper.

Comparing Membrane Bioreactors & the Sequencing Batch Reactor for Food and Beverage Applications. Free Research Paper.

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Comparing Membrane Bioreactors & the Sequencing Batch Reactor Comparing Membrane Bioreactors & the Sequencing Batch Reactor Presentation Transcript

  • Membrane Bioreactors & the Sequencing Batch Reactor www.LayneWater.com The Evolution of Wastewater Treatment in the Food and Beverage Industry
  • Food & Beverage Wastewater Treatment is Challenging!
    • Changing streams which are
      • Very Complex
      • Highly Variable
    • Into one stream which
      • Meets all Regulations
      • Meets NPDES Requirements or
      • Meets Requirements for in-plant reuse
    www.LayneWater.com
  • Quick Review: 5 Stages of Wastewater Treatment
    • Pretreatment
    • Primary
    • Secondary
    • Tertiary or Advanced
    • Disinfection
    www.LayneWater.com
  • Typical wastewater treatment schematic www.LayneWater.com
  • Secondary Wastewater Treatment
    • May Be Most Important of 5 Stages of WWT
    • High & Varying Levels of Soluble & Suspended Organic Matter
    • Highly Complex Operation Requiring Either
      • Experience & Expertise or
      • Robust System Design and Optimized System Maintenance
    www.LayneWater.com
  • Conventional Activated Sludge Process - CASP
    • First major development in secondary WWT
    • England, 1913
    • Combines
      • Sewage
      • Concentrated Mass of Microbes
      • High Levels Dissolved Oxygen
    • To promote the consumption of organic content
    www.LayneWater.com
  • Conventional Activated Sludge Process - CASP
    • Still Widely Used
    • Large Footprint
    • High Capital Costs
    • Many Different Variations
    • Loss of Operational Control
        • L oss of the Activated Sludge
        • Decimation of the Microorganism Population
        • Non-Compliance
    www.LayneWater.com
  • Membrane Bioreactor – MBR and Sequencing Batch Reactor - SBR
    • Developed in Response to CASP problems
    • Widespread in Food and Beverage Industry
      • Typical Wastewater Composition
      • Tightening of Discharge Regulations
      • Water Shortages
      • Better Suited for Water Reuse or Recycle
    www.LayneWater.com
  • Membrane Bioreactor – MBR
    • Combination of Activated Sludge Treatment and
    • Membrane Liquid-Solid Separation Process
    • Nearly Complete Separation of Suspended Solids
    • Dramatic Reduction in Contaminants
    • Membrane Prone to Fouling
      • Latest advancement is POREFLON PTFE membranes that greatly reduce fouling
    www.LayneWater.com
  • Sequencing Batch Reactor - SBR
    • 2 or More Reactors
    • Batch Operations
      • Treated & Controlled Separately
      • Easier to Operate than Continuous Flow
    • Smaller Footprint & Capital Cost
    • Smaller Wastewater Flows
    www.LayneWater.com
  • Critical Next Step!
    • Download and read the complete whitepaper with associated figures and comparison tables while it is still available:
    • The Evolution of Secondary Wastewater Treatment in the Food and Beverage Industry
    http://www.laynewater.com/landing_sec_wt_foodbevind.html www.LayneWater.com
  • Why Choose Layne for your Food and Beverage Wastewater Treatment? www.LayneWater.com Get the whole story here!
      • Total Wastewater Expertise
      • 1. Complete WWT options – From large municipal to light industrial Layne has the technology
      • 2. Package WWT or large scale construction
  • www.LayneWater.com