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HomeMy WebLinkAboutDEQ-CFW_00088045Nafionombrane Coating Operation eration Air Emissiotnvento Pa 1 of 4 rY Emission source/Operating Scenario Data for year 2004 1. Emission Source ID No. NS-I 2. Emission Source Description: Nafion® Resin Membrane Coating process 3. Operating Scenario Description: 6S-19 Nafion® Resin Membrane coating process 4. SCC Number/Description: 301 999 98 / * other organic chemical manufacture not listed. 5. Through put in CY k s: 4875 gal 6. Fuel Information: N/A 7: Capture Efficiency: 100% 8. Control Device Information none vented through stack 9. Stack or emission release point information: stack stack height diameter temperature velocity volume flow release point ERP stack ID feet feet deg. F. feet/sec rate (acfm) description description Nafion® membrane NEP-1 50 2 ambient 0.4 75 Vertical Icoating 10. Operating Schedule: OS-19 Hours per last year 3134 hours/da 2 1 da s/wk 7 wks/ r 52 11. Typical Start & End times for Operating Scenario: lContinuous when used 12. Seasonal periods percent annual throughput: Jan -Mar 24% April -June 29% Jul -Sept 25% Oct -Dec 21 Nafio*brane Coating Operation Air Emissiol'}�Invento ry Emission source/Operating Scenario Data 1. Emission Source ID No. NS-1 Actual emissions per pollutant listed for source/process identified on page 1: Criteria (NAAQS) pollutants Pollutant code Emissions -Criteria polllutants tons/ r Emission estimation method code Control efficiency 2001 2002 2003 2004 Carbon Monoxide CO 0 0 0 0 8 NOx NOx 0 0 0 0 8 TSP TSP 0.15 0.13 0.15 0.17 8 0% PM 2.5 PM-2.5 0.15 0.13 0.15 0.17 8 0% PM 10 PM-10 0.15 0.13 0.15 0.17 8 0% SO2 SO2 0 0 0 0 8 VOC VOC 12.7 10.9 1 13.1 1 15.1 8 0% HAP/TAP pollutants ICAS # I Emissions HAP/TAPs Ibs/ r Pa 2 of 4 Nafion Membrane Coating Operation Air Emissions Inventory Page 3 of 4 NS-I Membrane Spraybooth 2004 summary. Coating Process Max Spray Coat Rate cc/min (2 guns) 400 From PR-81 in process specification spray gun maximum capability Max Process Rate gal/hr 6.3 =cc/min * 2.64E-4 gal/cc * 60 min/hr, conversion for cc/min to gal/hr Paint Batches batch 193 from From spraycoating run sheets on how many batches spraycoating were made during the year. Note that lab sample paint & binder analysis numbering system provides last 3 numbers lab results which equals number of batches made and tested during the year ie 3FWC169 means that 169 batches were made in 2003. Gallons/batch gals 25 From PR-81 process specifications for batch size. Gallons from Original batches gals 4825 calculation from batch size * number of batches Remade batches batchs 10 from In 2003 we stopped tracking remade batchs as a spraycoating separate process and combined this with the paint paint & binder batch number. From spraycoating run sheets on how lab results NG many batches were remade during the year. Note that first samples. the lab numbering system will indicate R for remade batches. Gallons added/batch gals 5 From PR-81 process specifications for remake batch size. Gallons added to remake batches gals 50 Calculation from gallons added * number of remade batches Annual Process Throughput gals/yr 4875 addition of original batches + remade batch gals producted. This number is brought to NS-1 summary sheet Coating Density lb/gal 7.928 From PR-81 process specifications for coating batches Coating Consumed Ibs/yr 38649 calculation of coating density * gals per year % change 15.38 VOC Emissions Ethanol Wt % 69% From PR-81 process specification for binder solution make up Methanol Wt % 1 % From PR-81 process specification for binder solution make up 1-Propanol Wt % 8% From PR-81 process specification for binder solution make up Annual VOC Emissions Ibs/yr 30146 calculation of voc components % * coating consumed tons/yr 15.1 conversion to tons Ibs/2000lbs per ton. This number is brought to NS-1 summary sheet • S:/Everyone/Scarrepa/Environmental/ 5/10/2005 DEQ-CFW 00088047 • • • Nafion Membrane Coating Operation Air Emissions Inventory Page 4 of 4 TSP Emissions % change Coating Solids wt % 18% From PR-81 process specifictions for coatings batch. Paint Arrestor Effic % 95% From PR-81 equipment specifictions for coatings paint arrestor efficiency. Solids Produced Ib/yr 6957 calculation of % coatings solids * coating consumed Annual TSP Emissions Ibs/yr 347.8 =Ibs/yr of coating consumed * wt% coating solids * (1-efficiency of arrestors) , calculation of emissions due to paint arrestor efficiency not 100% total suspended particles tons/yr 0.17 calculation from Ibs per year to tons per year. This number is brought to NS-1 summary sheet % change 15.38 CA membrane Coated. m2 158849 from molly from Master Production Scheduler (David cognos report Garwood) via SAP BW Reporting. % change 77.27 Throughput (production) Coating Consumed Ibs/yr % change Total Hours of operations hrs 38649 from above calculations 15.38 3134 from Membrane from Master Production Scheduler (David Process Times spread sheet Garwood) via SAP BW Reporting. This number is brought to NS-1 summary sheet. from mollys This number is brought to NS-1 summary 24.3% cognos report sheet. 1st qrt % hrs of operations 2nd qrt % hrs of operations 29.3% 3rd qrt % hrs of operations 25.1 % 4th qrt % hrs of operations 21.3% see process time spreadsheet for hours S:/Everyone/Scarrepa/Environmental/ 5/10/2005 DEQ-CFW 00088048