DAQ-2024-005094

SilverEagle
REFIN'NG
SAFE. S U S|AI NAB LE. S E RVI C E
February 27,2024
Bryce Bird, Director
Utah Department of Environmental Quality
Division of Air Quality
P.O. Box 144820
Salt Lake city, utah 84114-4820
Re: 2024 Sulfur Recovery Unit (SRU) Efficiency Testing
Dear Mr. Bird:
UTAH DEPARTMENT OF
ENVIRONMENTAL OUALITY
rr'n a l
"') r '-
DIVISION OF AIR QUALITV
Enclosed are the February 2024 effrciency test results for Silver Eagle Refining-Woods Cross
Inc.'s NASH Sulfur Recovery Unit. Effrciency testing was conducted in accordance with the
protocol submitted to the State on January 4,2024, and as described in Silver Eagle Refining's
Approval Order DAQE-ANI01240030-16 (dated Nov. 9, 2016), Condition II.B.4. The Sulfur
removal efficiency was99.92%o. This is above the requiredgs% removal efficiency.
The attached test results were collected February l9 through February 21,2024.
If you have any questions about the enclosed information please contact me. Thank you.
Sincerely,
Michael Platz
James Shupe
Gigi Camarena
Cc
2355 South 1100 West . Woods Cross, Utah 84087
Silver Eagle Refining - Woods Cross, !nc.
NASH Sulfur Recovery Unit Efficiency Test - February 2024
H2S, ppm
Test Dates:
Date
2t19t2024
2119t2024
2t2012024
2t20t2024
2t21t2024
2t21t2024
ln
't,800
1,600
1,900
1,800
2,000
2,000
Time
12:30
14:45
13:30
15:20
12:15
15:35
Out
2
1.5
1
1.5
1.5
1.5
H2S Removal
Efficiency, %
99.89%
99.91%
99.95%
99.92o/o
99.93%
99.93%
Average .92Yo
H2S Re moval Efficiency %o =
Concentral ion S Entering SRU, ppm
Concenlrat ion S Entering SRU , ppm
lnlet RAE Tube P/N: 1O-103-40, range 0.1 -2.0%
lnlet HoneywellTube P/N: 10-103-30, range 100-2000 ppmv
Outlet HoneywellTube P/N: 10-103-04, range 0.2 - 3 ppmv
LITAI-I D!:ilAP.r,rcr.:T oI
ENVi n O[; ti i:N'l/tL Ql-lALlTY
oi'l cF ,r.:ii c!.!.r,,1.;-_r'
- (Concentrat ion S Exiting SRII , ppm)) - ,nn
-x
IUU
SRU Efficiency Calculated in Accordance with AO DAQE-AN101240030-16 (dated Nov. 9, 2016), Condition ll.B.4