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Air | ||||||||||
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Steady State Consumption (SCFM) | ||||||||||
Operation Cost () | ||||||||||
Emissions (Tonne of CO2e) | ||||||||||
— Carbon Credit Cost () | ||||||||||
Natural Gas | ||||||||||
Steady State Consumption (SCFM) | ||||||||||
Operational Cost () | ||||||||||
Flared Emissions (Tonne of CO2e) | ||||||||||
— Carbon Credits Cost () | ||||||||||
Vented Emissions (Tonne of CO2e) | ||||||||||
— Carbon Credits Cost () | ||||||||||
Print this estimate |
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Global Warming Potential
The cumulative radiative forcing effects of a gas over a specified time horizon resulting from the emission of a unit mass of gas relative to a reference gas.
(Source: EPA)
Equivalent Carbon Dioxide
Equivalent CO2 (CO2e) is the concentration of CO2 that would cause the same level of radiative forcing as a given type and concentration of greenhouse gas. (Source: EPA)
Air | |
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Steady State Consumption (SCFM) | Product's Steady State Air Consumption (SCFH) / 60 [converts H to M]. |
Operation Cost () | kWh cost of electricity in * kWh Usage per MSCF of Compressed Air * Years of Operation * (60*24*365/1000) [converts SCFM to annual MSCF] * Steady State Air Consumption (SCFM) |
Emissions (Tonne of CO2e) | Steady State Air Consumption (SCFM) * (60*24*365/1000) [converts SCFM to annual MSCF] * Years of Operation * kWh Usage per MSCF of Compressed Air * Grams of CO2 Emitted per kWh of Electricity * (0.001*0.001) [converts gram to tonne] |
— Carbon Credit Cost () | Carbon Credit Cost (/tonne) * Product Emissions |
Natural Gas | |
Steady State Consumption (SCFM) | Steady State Air Consumption (SCFH) / Gas Sizing Factor1 / 60 [converts hours to minutes] |
Total Operational Cost () | Steady State Gas Consumption (SCFM) * (60*24*365/1000) [converts SCFM to annual MSCF] * Cost of Gas ( per MSCF) * Years of Operation |
Flared Emissions (Tonne of CO2e) | Steady State Gas Consumption (SCFM) * (60*24*365/1000) [reduces SCFM to annual MSCF] * Btu/SCF * kg of CO2 emitted per MMBtu burned * 0.001 [converts SCF to MSCF] * 0.001 [converts kg to Tonne] * Years of Operation * Methane Percentage |
— Carbon Credits Cost | Flared Emissions (tonne) * Carbon Credit Cost (/tonne) |
Vented Emissions (Tonne of CO2e) | Steady State Gas Consumption (SCFM) * (60*24*365/1000) [converts SCFM to annual MSCF] * Gas Density (kg/m3) * 0.02832 [converts kg/m3 to kg/ft3] * Global Warming Potential * Years of Operation * Methane Percentage |
— Carbon Credits Cost | Vented Emissions (tonne) * Carbon Credits Cost (/tonne) |
Additional Equations | |
1 Gas Sizing Factor | square root (
relative density of natural gas to air2
)* (operating temperature / operating pressure) * (standard pressure / standard temperature) Standard pressure = 1.0133 bars Standard temperature = 293.15 K |
2 Relative Density | gas density / atmosphere density |