Example Calculations - GamAir

1 Time: Required Input DataO2 = = = = =70 TWET =70PB = = =5780%H2O = = Analysis Input%C = = = = = =19595Fd (M19)* =9190 Fd-Factor (Fuel) =8991 HAMB = humidity, (pound of H2O/pound of dry air)ISO K-Factor = (ppm@15%O2) = (ppmISO@15%O2) = (lb/hr) = (lb/MMBtu) = (ppm@15%O2) = (lb/hr) = (lb/MMBtu) = (ppm@15%O2) = (lb/hr) = (lb/MMBtu) = NOx Concentration Corrected to 15% Oxygen (NOx at 15% O2), parts per millionNOx at 15% O2 = NOx at 15% O2 = , pounds per million British thermal unitsparts per million (ppm)(NOx) x [( - ) / ( - O2)]Emission calculation Symbolsobserved combustor inlet absolute pressure at test, inches of mercuryEPA Method 19 published Fd-Factor from Table 19-2, (dscf/106 Btu)*(optional use Method 19 value only when fuel analysis data is not available)percent by weight of nitrogen in fuel, (%)percent by weight of sulfur in fuel, (%)percent by weight of oxygen in fuel, (%)gross calorific value of fuel, (Btu/lb)oxygen concentration (dry/volume), (%) Example CalculationsRun Number:Boiler 1 Date.

2 3/24/20031605-1705oxides of nitrogen concentration (dry/volume), (ppm)carbon monoxide concentration (dry/volume), (ppm)sulfur dioxide concentration (dry/volume), (ppm)ambient temperature (dry bulb basis), (oF)ambient barometric pressure, (" Hg)ambient temperature (wet bulb basis), (oF)saturation vapor pressure at TAMB, (" Hg)volumetric flowrate, (dscfm)SO2, parts per million corrected to 15% oxygenCalculated DataNOx, pounds per hourNOx, pounds per million British thermal unitsCO, parts per million corrected to 15% oxygenmoisture in stack gas, (%)percent by weight of carbon in fuel, (%)percent by weight of hydrogen fuel, (%)SO2, pounds per hourNOx, parts per million corrected to 15% oxygenNOx, parts per million corrected to ISO conditions and 15% oxygenFd-Factor calculated from fuel analysisCO, pounds per hourISO standard ambient conditions K-Factor, dimensionless CO, pounds per million British thermal K-Factor = = K-Factor = where,PREF = = = constant, = = temperature, degrees Kelvin (degrees Celsius + ) NOx ISO and 15%O2 =NOx ISO and 15%O2 = Conversion Factor (for the calculation of pounds per dry standard cubic feet)Conv.

3 Factor =Conv. Factor = ,ft3/liter =cubic feet per literoR =degrees RankineMW =molecular weight in grams per gram-mole (g/g-mole)NOx Conc. =46 NOx Conc. = lb/dscf(molecular weight of NO2 gas =g/g-mole)(ppm) x (molecular weight of NO2 gas) x (Conv. Factor)reference combustor inlet absolute pressure at kilopascals ambient pressure, inches of Hgobserved combustor inlet absolute pressure at test, inches of mercuryhumidity ratio in lb H2O/lb air (determined from ASHRAE Psychrometric Chart)( pounds/gram) x ( liters/gram-mole) x ( ft3/liter) x ( )5a. NOx Concentration In Pounds Per Dry Standard Cubic Feet, lb/dscf pound per dry standard cubic foot3. NOx Concentration Corrected to ISO Standard Day Conditions and 15% Oxygen, parts per million(NOx ppm at 15% O2) x (ISO K-Factor)2. ISO Standard Day Conditions K-Factor, dimensionless (((Pref/Pobs) ) x (e(19(Hamb - ))) x ((288 oK/TAMB) )) Conc.

4 =28CO Conc. = Conc. = Conc. = ER =NOx ER =CO ER = ER =SO2 ER = (Fuel) =Fd-Factor (Fuel) =8991dscf/MMBtuGCV(lb/dscf) x (DSCFM) x (60 minutes/hour)7. Fd-Factor Based On Actual Fuel Analysis, x ( ) + ( ) + ( ) + ( ) - ( )(lb/dscf) x (DSCFM) x (60 minutes/hour)6c. SO2 Emission Rate, pounds per hour lb/dscf6a. NOx Emission Rate, pounds per hour(lb/dscf) x (DSCFM) x (60 minutes/hour)6b. CO Emission Rate, pounds per hour5c. SO2 Concentration In Pounds Per Dry Standard Cubic Feet, lb/dscf(ppm) x (molecular weight of SO2 gas) x (Conv. Factor)(molecular weight of CO gas =g/g-mole)(ppm) x (molecular weight of CO gas) x (Conv. Factor)(molecular weight of CO gas =g/g-mole) lb/dscf5b. CO Concentration In Pounds Per Dry Standard Cubic Feet, ER Fd = NOx ER Fd = ER M19 Fd =NOx ER M19 Fd = NOx Emission Rate Using EPA Method 19 Fd-Factor, pounds per million Btu(lb/dscf) x (dscf/MMBtu) x [ / ( - O2)]lb/MMBtu(lb/dscf) x (dscf/MMBtu) x [ / ( - O2)]8a.

5 NOx Emission Rate Using Actual Fuel Analysis Fd-Factor, pounds per million