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ParrWra Almond Processft Company <br /> N-1082706, N-1337-",2-7,6-1,7-0, 8-0 <br /> WSM144TLR770 BAGHOUSE, AND 2 GRAVITY TABLES,-1 FLUIDIZER,AND <br /> ASSOCIATED AUGERS AND CONVEYORS SERVED BY A WILKEY SHEET <br /> METAL WSM144TL392 BAGHOUSE,AND 2 SCALPING DECKS, 2 SHELL <br /> ASPIRATORS SERVING SCALPING DECKS PRODUCT SERVED BY A <br /> WILKEY SHEET METAL WSM144TL392 <br /> N-1337-6-1: ALMOND SORTING LINE WITH TWO GRAVITY TABLES SERVED BY A <br /> WILKEY SHEET METAL WSM 144 BAGHOUSE <br /> N-1337-7-0: ELECTRICAL GENERATING SYSTEM CONSISTING OF A GASIFIER SERVED <br /> BY A 1,050 BHP (DERATED TO 700 BHP BY FUEL FLOW RATE AND <br /> HEATING VALUE) CATERPILLAR MODEL G 3518 TA HCR RICH-BURN IC <br /> ENGINE EQUIPPED WITH A FUEL PARTICULATE FILTER, AN AIR FUEL <br /> RATIO CONTROLLER, AND A MIRATECH THREE-WAY CATALYST <br /> POWERING AN ELECTRICAL GENERATOR <br /> N-1337-M: 5.9 MMBTUIHR FLARE FOR DISPOSAL OF SYNTHETIC GAS FROM UNIT <br /> N-1337-7 <br /> VI. Emission Control Technology Evaluation <br /> IC Engine lN-1337-7-0). Flare (N-1337-8-0): <br /> Combustion of gaseous fuels results in emissions of oxides of nitrogen (NOy), oxides of sulfur <br /> (SOx), carbon monoxide(CO), volatile organic compounds (VOC), and PM10. Of these affected <br /> pollutants, the ones of greatest concern are NOx and VOC, because these two pollutants are <br /> ozone precursors. SO,emissions from fuel combustion result directly from combustion of <br /> sulfur compounds in the fuel. Sulfur compounds in the feedstock are expected to be negligible, <br /> and the syngas analysis (included as Appendix C of this document) confirms that expectation. <br /> CO emissions are directly related to the efficiency of the combustion process, and are <br /> expected to be small also. PMjo emissions from gaseous fuels tend to be very low. <br /> VOC emissions from Internal combustion engines result from incomplete combustion of the <br /> fuel. The most common way to control VOC emissions from an internal combustion engine is <br /> through the use of positive crankcase ventilation (PCV),which captures vapors escaping from <br /> the crankcase and routes them back to the engine fuel intake, and can reduce VOC emissions <br /> by 90%.An industrial flare such as the one proposed by the applicant is normally used to <br /> safely dispose of combustible gases, which are most commonly composed of VOC and <br /> methane; therefore, the flare is both a safety device and a VOC emission control device. <br /> - -- NOx Is formed by one of two mechanisms, which produce what are known as thermal NO.and - --- <br /> fuel NOx. Fuel NO.comes from the combustion of nitrogen compounds in the fuel, and is more <br /> common with liquid fuels such as diesel and heavier distillate fuel oils. Thermal NOx is formed <br /> when nitrogen in the combustion air is oxidized by the combustion of the fuel.The formation of <br /> thermal NOx requires high temperature and sufficient residence time at temperature. <br /> 5 <br />