energy efficient mixing

Straightforward, Energy Efficient Straightforward, Mixing Solutions Energy-Efficient Mixing Solutions The power of innovation BioMix TM Compressed Gas Mixing Mixing Alternatives Mixing Alternatives Mixing Alternatives Municipal

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  1. Straightforward, Energy Efficient Straightforward, Mixing Solutions Energy-Efficient Mixing Solutions The power of innovation … BioMix TM Compressed Gas Mixing

  2. Mixing Alternatives Mixing Alternatives

  3. Mixing Alternatives Municipal Wastewater Applications Objectives and considerations of mixing technology • Maintain optimum conditions Chlorine Sludge Anaerobic Contact Storage/Digestion for nutrient removal Digester Chamber Channels • Effectively suspend solids and maintain homogeneity • Operate with high efficiency Pump Station • Have minimal maintenance BNR System requirements and cost Anoxic Aeration • Offer lowest life cycle cost Swing Zone Anaerobic • Facilitate variable mixing EQ intensity 3

  4. Mixing Alternatives Point-Source Mixers Point-Source Mixers • Energy input is isolated • Up to 2x the energy cost of distributed energy model • Submerged mechanical equipment • Multiple mixers (maintenance points) in large plants Distributed Energy Model Distributed Energy Model • Distributed energy input • Effective and efficient: • 60%+ energy savings Nozzle Header • No moving parts in the basin System • Multiple mixers replaced with a single compressor 4

  5. Mixing Technology Overview Alternatives Mixing Power Comparison • Rules-of-Thumb mixing power comparison have been derived through empirical field data in activated sludge applications Technology Power (HP/1,000 ft 3 ) Floating and Submersible (direct-drive) Mixers 0.25 – 0.3 Long-Blade (gear reduced) Mixers 0.18 Vertical Turbine and Hyperbolic 0.12 – 0.15 Compressed Gas (improves with increasing depth) 0.065 – 0.1 5

  6. Mixing Technology Overview Alternatives Mixing by the Numbers • 20-Year Cost to own BioMix vs. Submersible Mixers for Anaerobic/Anoxic mixing at a 6 MGD Facility. Compressed Gas Mixing Conventional Mixing $1,300 $1,300 Thousand Thousand 1,050 1,050 Total Cost 900 900 $1,206,444 Energy $668,556 Cost 750 750 600 600 Energy Cost Total $339,849 Cost 450 450 $723,788 Maintenance Maintenance $327,888 $74,439 Cost 300 Cost 300 Initial Cost & 150 150 $309,500 Initial Cost Installation $210,000 & 0 0 Installation 6

  7. BioMix TM Compressed Gas Mixing

  8. BioMix Technology Overview Compressed Gas Mixing • Intermittently firing short bursts of compressed air through engineered nozzles and controlled by valve panel • Compressed gas mixing creates solutions that: • Save energy • Reduce maintenance • Address nutrient removal • Effective mixing and efficient operation • Uniform distribution of mixing energy • Guarantee < 10% coefficient of variation (CV) • 60% or more energy savings • Highly scalable • Once compressor replaces over 20+ mixers • Flexible design • Any basin footprint, depth or slope • Field optimized operational parameters 8

  9. Technology Overview BioMix Compressed Gas Mixing • Intermittent and sequential short bursts of compressed gas introduced into the fluid • Large compressed gas volumes expand upward and outward • Expanding bubbles provide controlled turbulence, fluid currents and provide mixing • Does so with negligible amount of oxygen transfer due to low surface area to volume ratio • Ideal for Anoxic and Anaerobic mixing environments 9

  10. BioMix Equipment Comprehensive Scope of Supply (Unit Responsibility) Valve Panel w/ HMI Controller & Compressor w/ Optional Remote Monitoring Receiver Tank(s) In-Tank Nozzles, Piping and Anchors Comprehensive Application/Design Support & Performance Guarantee 10

  11. BioMix Configuration BioMix System Components

  12. BioMix BioCycle™ Installation Configuration • 304 or 316 stainless steel • Headers w/Offsets factory assembled • Header supply piping field assembled w/ ProPress connections • Nozzles attached via threaded connector • Self supporting header Header Supply Piping (Sch 5S) Header (Sch 10S) Offset (Sch 40S) Nozzle 12

  13. Valve Control Hopewell (VA) BioMix™ Installation Panel Valve Control Panel • NEMA 4X, 304 SS Panels • Long life poppet/solenoid valves • Human Machine Interface with 4 parameters of control • Pressure • Frequency • Duration • Sequence 13

  14. Valve Valve e Technology Poppet/Solenoid Valve • Designed for high frequency operation • Long life, 20-25 million cycles • Fire 2-3 times per minute • 15+ year life • Maintenance free Valve Open Valve Closed 14

  15. Compressor New Mixing Paradigm Compressor Technology • Rotary Screw Compressor • After-cooler and moisture separator for cool, dry air • Fire at 25- 30 psig plus static head ≈ 7 -10 psig • Minimal maintenance < 4 hours/year < $2,000/year in materials (parts/fluids) • Quiet < 80 dBA w/enclosure 15

  16. Installations

  17. Market Adoption 20 Projects Through 2014 18 New Orders forecast for 2015 Russellville, AR Philadelphia, PA Southwest WPCP: 200 MGD City Corporation PCWTP: 6.5 MGD Mt. Pleasant, SC Warren, MI Center Street WWTP: 4.0 MGD Warren WWTP: 36 MGD Butner, NC Little Rock, AR SGWASA WWTP: 6.0 MGD Fourche Creek, WWTP: 16 MGD Installed Providence, RI Chambersburg, PA Bucklin Point WWTP: 116 MGD FCGA WWTP: 4.0 MGD Pending Orders Gwinnett County, GA Norfolk, VA F. Wayne Hill WRC: 60 MGD HRSD - VIP: 54 MGD

  18. Target Applications and Summary of Benefits

  19. Target Applications BioMix TM Anoxic/Anaerobic Mixing Low O 2 Demand/Mixing Limited Aeration Zones (De-couple Aeration and Mixing) Channel Mixing Sludge Storage Equalization/Storm Water Holding Septage Receiving 19 Aerobic SHT and Digesters Anaerobic Digesters (De-couple Aeration and Mixing)

  20. BioMix Technology Overview Advantage • Replace 20+ Mixers w/ • 60%+ Energy Savings 1 compressor vs. point-source mixing • No In-Tank • Even higher vs. Maintenance diffused aeration (channels, sludge storage etc…) Reduced Reduced Energy Maintenance Consumption Facilitate Highly Scalable Anoxic/Anaerobic and Flexible • Fits virtually any tank Conditions Operation configuration • Negligible O 2 transfer due to low A:V ratio of • Energy input can be large bubbles varied to provide mixing intensity • Equal or lower ORP required compared to submersible mixers • Wet installation capable • Full scale performance 20

  21. Questions? 21

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