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Noxtech® has demonstrated the commercial viability of the Noxtech System for treating the exhausts from diesel and landfill fill gas fueled stationary IC engine-gensets through its installation at the Tulare County Landfill at Woodville. In 2004,a Noxtech System was installed on a landfill gas powered 500 kW diesel electric generator at the Tulare County at Woodville Landfill in the San Joaquin Valley (the Woodville Noxtech System).The Noxtech System has been operating for over 3 years at this site. Third party source tests have verified compliance with SCAQMD Rule 1110.2 as amended and in effect February 1, 2008 for criteria emissions.

The ability of the Woodville Noxtech System to effectively remove criteria pollutants for both diesel and landfill gases at very high flow rates was demonstrated at the Woodville site by directing the exhaust flows from the landfill engine-generator and a 1.5 MW diesel engine-generator into the Woodville system separately and combined. The Woodville Noxtech System was designed to treat the flow from a 1 MW landfill engine. The exhaust flow from the diesel generator and the combined flows from the landfill gas fueled generator clearly exceeded the design flow capacity and reactor residence time for the Noxtech reactor

All analytical testing was conducted by a third party analytical testing company. The detailed results have been reviewed by the South Coast Management District. Excellent results were obtained for the Noxtech System at Woodville. The test design and its results are described below.

Bullet  A series of tests were run on the Noxtech system at Woodville to treat exhausts from:
         Bullet  Landfill gas engine(500 kW)
         Bullet  Diesel Engine (1.5 MW)
         Bullet  Combined flow from landfill and diesel fueled engines
Bullet  Test Objectives:
         Bullet  Determine reactor flow capacity
         Bullet  Determine ability to reduce NOx, CO, VOCs
         Bullet  Determine NH3 slip
         Bullet  Build test matrix by testing over broad range of loads and flows
         Bullet  Use third party to obtain test data 
Bullet  Test Results:
         Bullet  Excellent criteria emissions reduction achieved at 2 MW for Noxtech reactor designed for 1 MW flow
         Bullet  Very high levels of reduction for NOx, CO and VOCs demonstrated for landfill, diesel and combined flow                exhausts
         Bullet  Low ammonia slip demonstrated at high NOx reduction levels
         Bullet  Noxtech System ran reliably and was very stable

 

Noxtech Woodville Test Data Summary

Load MW
NOx in ppm
NOx out ppm
CO ppm
THCs ppm
0.38 landfill gas
380
3-5
19
2
0.75 diesel
550
20
30
2.3
1.0 diesel
650
10
30
2
1.25 diesel
750
20
50
1.88
1.5 diesel
1,000
20
30
2.02

1.75 diesel + Landfill

850
10
30
1.65
2.0 diesel + Landfill
900
10
30
1.65
500 kW landfill + 1250 kW diesel engine exhausts combination
500 kW landfill + 1500 kW diesel engine exhausts combination

* NO & CO data adjusted for 15% O2



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