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DEC- 02-94 FRI 15 : 46 SAN JOAQUIN VALLEY APCD FAS NO, 209 545 8652 P , 12 <br /> I <br /> ENGINEERING EVALUATION <br /> i. EtnlSSlnn Unit Increase in Permitted Emissions (IPE) : <br /> The proposal is the new emission unit. The District will use the following equation to <br /> calculate IPE: <br /> ME _ PE (for the new unit) <br /> Potential to Emitfrom the new gmiggion snits F <br /> HP rating of IC engine = 20 HP <br /> Input heat required by the engine = 20 HP x 7000 BtuJhp-hr' <br /> = 140,000 Btu/br <br /> input hm from gasoline, va rs <br /> Maximum Influent concentzatioa of hydrocarbon = 5 ,200 ppm <br /> VOCE m,,,, = Conex flowrate x mol .weight x (I lb-mol/379 fe) <br /> = 5 ,200 ppm x 160 cfm x 95 lb/mole x 1440 min/day x (1 lb-mole/379 fe) <br /> 300 .3 lbs/day <br /> Input gasoline = 300. 3 lbs/day x I gal!E17 lb <br /> = 48.7 gal/day (or 2.0 gallhr) <br /> Heating value of gasoline = 130,000 Btu/gal <br /> Input heat from gasoline vapors = 2.0 gal/hr x 130,000 Btu/gal <br /> = 260,000 Btulltr <br /> [As the input heat from gasoline vapors is more than needed by the IC engine, therefore <br /> the influent vapor stream will be blended with air to get exact fuel to air ratio] <br /> Input heat required by the engine = 140,000 Btu/hr <br /> Heating value of gasoline = 130,000 Btulgal <br /> therefore, Maximum gasoline usage = 140 ,000 Btu/hr _ 1307000 Btu/gai <br /> = 1 .1 gal/hr (or 26.4 gal/day) <br /> ° Averaga brake specific fuel consumption (BSFC) value from AP 42 Table 3 .3- 1 <br /> 5 <br />