3 Benefits of MicroMistTM Scrubbing Technology Lower Energy Consumption - MicroMist System Typically Operates With Less Than 25” W.C. of Total Pressure DropLower Equipment Costs than Standard ScrubbingHigh Capture Efficiencies on Acid Gasses & Submicron ParticulateHigh Capture Efficiencies on Condensable CompoundsRetrofits on Existing Equipment = Minimal Down TimeProven Results!
4 What’s Different? Sequence of Scrubbing “Events” Quenching and Sub-CoolingPatented System Employing Fine DropletsUses Proprietary Dual-Nozzle Contact Trays, High Efficiency Mist Eliminators with IrrigationLower System Pressure Drop Affects the Ability to Scrub Fine Particulate, Acid Gases, and Heavy Metals in “One System”Water Management and ExperienceHigh Flexibility for Varying Gas Flow
5 Conventional Scrubbers DIRTYSCRUBBEREXHAUSTPROCESSEHAUSTLow Particulate Collection EfficiencyInefficient Energy Use (>70” W.C.)Atomization of Particulate Collection Affects DraftPoor Turn-DownLittle Effect on Condensable CompoundsDifficult Solids ControlWATERSEPARATORSTAGEVENTURISTAGESATURATEDGASSESDRAINDRAIN
6 MicroMistTM Scrubber Clean Flue Gas Gas High Particulate Collection Efficiency (>99.5%)High Capture Efficiency of Acids & Condensable Compounds (>98.9%)High Capture Efficiency of Heavy Metals (95% - 99% + )Energy Efficient (System ∆P <25” WC)Atomization for Particulate Collection Independent of DraftExcellent Turn-DownSuperior Solids Control & Segregation
7 Stage 1: Quench Clean Flue Gas Gas 1 MicroMistTM Scrubber Elements Quenching Upstream of True Venturi Tubes95% Particulate RemovalRemoval of SO2 & HcLSeparation of Drain Water< 1” WC Pressure Drop1MicroMistTM Scrubber Elements
8 Stage 2: Sub-Cooling Clean Flue Gas Gas 2 ConditioningAgglomerationAbsorption of acid gassesRemoval of SO2 & HCL and PM > 1 micron2MicroMistTM Scrubber Elements
9 Stage 3: Patented True Venturi Stage Flue GasCleanGasStage 3: Patented True Venturi StageCondensation and Agglomeration of H2SO4, Fumes and Sub-Micron ParticulateInternal Throat Atomizer Controls Differential Pressure With Varying Process Loads (Control to ~16” WC)Correct Droplet Atomization for Maximum Collection EfficiencyVenturi Design Achieves Multi-Stage Liquid/Particle Differential Velocities for Sub- Micron collectionSeparate Drain for Maximum Liquor Management & Ph Control3MicroMistTM Scrubber Elements
10 Venturi Tubes are “Ideal” Design Incorporating Maximum Particle/Droplet Collisions & Pressure Recovery
11 Vertical Centrifugal Pumps Patented MicroMistTM Venturi StageVertical Centrifugal PumpsAtomization 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
12 Stage 4: Separation Clean Flue Gas Gas 4 MicroMistTM Scrubber Elements High Efficiency Separator Stage Combination of Dual Orifice Contact (DOI) trays with Mist Eliminator“Flushing” Removal of Dirty Water Droplets With Irrigation And Backwash Spray NozzlesPrevents Carry Over of Water into Scrubber Outlet4MicroMistTM Scrubber Elements
13 Additional Features MicroMistTM Scrubber Maximize Re-use Water With Recirculation TanksMinimize Fresh Make-up WaterExperience with PH ControlSteady ∆P Across All Process Operating ConditionsNo Hassle MaintenanceProven Results With All Fuel Sources (Coal, Oil, NCG)“One System” Air Pollution Control OptionUL Listed Control Enclosures With Fully Automated Control CapabilitiesMicroMistTM Scrubber
15 Piloting the MicroMistTM Scrubber Pilot testing emissions control applications is the most effective way to predict performance, operating conditions & chemical consumption.Pilot units must be accurately “scalable” to ensure correct and predictable resultsPilot units must be modular to allow simple addition and subtraction of process stages
16 Test Capacity = 6,000 ACFMProduction 8” Venturi Tube
18 2 3 1 EME 4 MicroMistTM Scrubber Field Testing Pilot Equipment SUB-COOL3MicroMistTM VENTURIEME1QUENCH4SEPARATORALL MOUNTED ON A FLAT-BED FOR CONVIENENCE
19 MicroMistTM Scrubber Pilot? Why try theMicroMistTM Scrubber Pilot?Cost Effective Test of System EfficiencyAll Equipment Arrives on Site TogetherEasy, Convenient, and CompactComplete Engineering AssistanceIncludes All Required InstrumentationIncludes Production 8” Venturi Tube in MMV StageTest Ports in Multiple LocationsOn-site Field Service Technicians“One System” Solution To Pollution Control
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