IFR Comparison.pdf - Reducing Storage Tank Emissions Without Compromising Operational Performance Jeff Eickhoff Vice President of Sales Marketing HMT

IFR Comparison.pdf - Reducing Storage Tank Emissions...

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Reducing Storage Tank Emissions Without Compromising Operational Performance Jeff Eickhoff Vice President of Sales & Marketing, HMT Inc.
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Reducing Storage Tank Emissions Without Compromising Operational Performance Presentation Overview Tank Emissions Mechanisms Tank & Floating Roof Types And their impacts on emissions Design Strategies for Low Emissions (Floating roof tank options) Other Minor Strategies
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Reducing Storage Tank Emissions Without Compromising Operational Performance Operational Performance Factors Working Capacity Heel Reduction Safety Accessibility Fire Protection Maintenance (painting, drains, water removal, snow, etc.) Durability & Useful Life Installation (ease, speed, cost) Ease of Cleaning and Inspection Initial Cost (project cost and cost per barrel of capacity)
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Reducing Storage Tank Emissions Without Compromising Operational Performance Regulatory Considerations These are general design concepts presented here Your regulations and specific situation may vary Check with your environmental group to verify requirements * Chart courtesy of Rob Ferry, the TGB Partnership The ever-changing regulatory world (chart already obsolete…for illustration purposes only)
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Reducing Storage Tank Emissions Without Compromising Operational Performance 1 Tank Emissions Mechanisms
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Reducing Storage Tank Emissions Without Compromising Operational Performance Mechanisms for Evaporative Loss Working (or “filling”) losses Cone Roof Tanks INFLUENCED BY Average temp Temperature changes Tank cycle frequency Vapor pressure Tank diameter and height Tank color
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Reducing Storage Tank Emissions Without Compromising Operational Performance Mechanisms for Evaporative Loss, continued Withdrawal losses Floating Roof Tanks INFLUENCED BY Tank cycle frequency Tank shell condition Viscosity / clingage factors Floating roof seals Tank diameter and height
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Reducing Storage Tank Emissions Without Compromising Operational Performance Mechanisms for Evaporative Loss, continued Breathing losses Cone Roof Tanks INFLUENCED BY Average temp Temperature changes (especially from sunshine and cloud patterns) Vapor pressure Tank diameter and height Tank color
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Reducing Storage Tank Emissions Without Compromising Operational Performance Mechanisms for Evaporative Loss, continued Standing losses Floating Roof Tanks From rim seals, deck appurtenances and deck seams INFLUENCED BY Average wind speed (for EFRTs) Average temp Temperature changes Vapor pressure Fixed roof (IFRT) vs.
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