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MicroMist TM Scrubbing Systems Wet Scrubber Advanced Scrubbing Technology General Product Description

MicroMist TM Scrubbing Systems Wet Scrubber Advanced Scrubbing Technology General Product Description. Formed in 1980 as a Pollution Control Engineering Systems and Services Company

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MicroMist TM Scrubbing Systems Wet Scrubber Advanced Scrubbing Technology General Product Description

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  1. MicroMistTMScrubbing Systems Wet ScrubberAdvanced Scrubbing TechnologyGeneral Product Description

  2. Formed in 1980 as a Pollution Control Engineering Systems and Services Company MicroMist Scrubbbing Technology Applied all Over the World in Pulp & Paper, Power, Steel, Municipal Waste and Many More In-house Engineering and Manufacturing Expertise Over 15 Patents on Atomization and Pollution Control Technologies About EnviroCare International

  3. EnviroCare MicroMist™ Scrubber

  4. Lower Energy Consumption. MicroMist Scrubber Typically Operates With Less Than 25” W.C. of Total Pressure Drop Lower Equipment Costs High Capture Efficiencies on Acid Gasses & Submicron Particulate High Capture Efficiencies on Condensables Retrofit Existing Equipment = Minimal Outage Time Proven Results! Benefits of MicroMistTM Scrubbing Technology

  5. Sequence of Components and “Events” Quenching and Sub-Cooling Patented Scrubbing with Fine Droplets Use of Proprietary Dual-Orifice Impingement (DOI) Trays and Highly Efficient Mist Eliminators with Irrigation Lower System Pressure Drop Ability to Scrub Fine Particulate, Acid Gases, Condensables, and Heavy Metals in “One System” Water Management and Experience Operational Flexibility for Varying Gas Flow What’s Different?

  6. Conventional Scrubbers DIRTY SCRUBBER EXHAUST PROCESS EHAUST • Low Particulate Collection Efficiency • Inefficient Use of Energy (>70” W.C.) • Atomization For Particulate Collection Affects Draft • Poor Turn-Down • Little Effect on Condensables • Difficult Solids Control WATER SEPARATOR STAGE VENTURI STAGE SATURATED GASSES DRAIN DRAIN

  7. DIRTY SCRUBBER EXHAUST Elements of Conventional Scrubber PROCESS EHAUST • 1 - Liquid is Atomized in Venturi With Fan Draft • Inefficient Atomization Results in Poor Liquid/Gas Contact and Reduced Particulate Collection • Optimum Droplet Size For Particulate Collection is Not Generated WATER SEPARATOR STAGE VENTURI STAGE 1 SATURATED GASSES DRAIN DRAIN

  8. 2 DIRTY SCRUBBER EXHAUST Elements of Conventional Scrubber PROCESS EHAUST • 2 - Gases Are Not Quenched to Saturation Until After Venturi • High Chance of Vapor Trapped Particles Bleeding Through Venturi, Resulting in Highly Visible Emissions WATER SEPARATOR STAGE VENTURI STAGE SATURATED GASSES DRAIN DRAIN

  9. Clean Gas Flue Gas MicroMistTM Scrubber • High Particulate Collection Efficiency (>99.5%) • High Capture Efficiency of Acids & Condensables (>98.9%) • High Capture Efficiency of Heavy Metals (95% - 99% + ) • Efficient Use of Energy (System ∆P <25” WC) • Atomization for Particulate Collection Independent of Draft • Excellent Turn-Down • Solids Control & Segregation

  10. Stage 1: Quench Clean Gas Flue Gas • Quenching Upstream of True Venturi Tubes • 95% Removal of Particulate • Removal of SO2 & HCL • Separation of Drain Water • < 1” WC Pressure Drop 1 MicroMistTM Scrubber Elements

  11. Stage 2: Sub-Cooling Clean Gas Flue Gas • Conditioning • Agglomeration • Absorption of acid gasses • Removal of SO2 & HCL and PM > 1 micron 2 MicroMistTM Scrubber Elements

  12. Clean Gas • Condensation and Agglomeration of H2SO4, Fumes and Sub-Micron Particulate • Internal Throat Atomizer to Control Differential Pressure With Varying Process Loads (Control to ~16” WC) • Correct Liquid Droplet Atomization for Maximum Collection Efficiency • Venturi Design Promotes Multi-Stage Liquid/Particle Differential Velocities for Sub- Micron collection • Separate Drain for Maximum Liquor Management and PH Control Flue Gas Stage 3: PatentedTrue Venturi Stage 3 MicroMistTM Scrubber Elements

  13. Venturi Tubes are “Ideal” Venturi Design Incorporating Maximum Particle/Droplet Collisions and Pressure Recovery

  14. Patented MicroMistTM Venturi Stage Vertical Centrifugal Pumps Atomization Through HydroMist Nozzles* at the Inlet of Each Venturi Tube and Independent of Throat Velocity. Internal Throat Atomizer** Modulates (Pump VFD) To Maintain Specified Pressure Drop Across This Stage *US Patent #5,279,646 **US Patent #6,719,829

  15. Stage 4: Separation Clean Gas Flue Gas • High Efficiency Separator Stage Combined of Dual Orifice Impingement (DOI) trays and a Mist Eliminator • “Flushing” Removal of Dirty Water Droplets With Irrigation And Backwash Spray Nozzles • Prevents Carry Over of Water into Scrubber Outlet 4 MicroMistTM Scrubber Elements

  16. Additional Features • Maximize Re-use Water With Recirculation Tanks • Minimize Fresh Make-up Water • Experience with PH Control • Steady ∆P Across All Process Operating Conditions • No Hassle Maintenance • Proven Results With All Fuel Sources (Coal, Oil, NCG) • “One System” Air Pollution Control Option • UL Listed Control Enclosures With Fully Automated Control Capabilities MicroMistTM Scrubber

  17. Clean Gas Flue Gas MicroMistTMScrubber • High Particulate Collection Efficiency (>99.5%) • High Capture Efficiency of Acids & Condensables (>98.9%) • High Capture Efficiency of Heavy Metals (95% - 99% + ) • Efficient Use of Energy (System ∆P <25” WC) • Atomization for Particulate Collection Independent of Draft • Excellent Turn-Down • Solids Control & Segregation

  18. Emissions Control Technology Comparison

  19. Pilot testing emissions control applications is the most effective way to predict performance, operating conditions and chemical consumptions. Pilot units must be accurately “scalable” to ensure correct and predictable result Pilot units must be modular to allow simple addition and subtraction of process stages Piloting the MicroMistTM Scrubber

  20. EnviroCare Pilot GA Test Capacity = 6,000 ACFM Production 8” Venturi Tube

  21. EnviroCare Pilot GA Incorporates our Patented StarTM WESP Technology

  22. 2 SUB-COOL 3 1 QUENCH MicroMistTM VENTURI 4 SEPARATOR MicroMistTM Scrubber Field Testing Pilot Equipment EME ALL MOUNTED ON A FLAT-BED FOR CONVIENENCE

  23. Why try EnviroCare’s MicroMistTM Scrubber Pilot? • Cost Effective Method to Prove Efficiency • All Equipment Arrives on Site Together • Easy, Convenient, and Compact • EnviroCare Engineering Assistance • Includes All Required Instrumentation • Includes Production 8” Venturi Tube in MMV Stage • Test Ports in Multiple Locations • EnviroCare Field Service Technicians • “One System” Solution To Pollution Control

  24. ANY QUESTIONS?Email us: info@envirocare.com

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