
Blue lines show particles coming out of engine; small black marks at base indicate particles coming out of ICS filter in laboratory tests
Testing Sequence
• The first test at ORNL was conducted in a 1.9-liter Volkswagen diesel engine test cell, using an elaborate set of analytical instruments to determine filter backpressure and filtration efficiency, showing greater than 95% filtration efficiency.
• The final testing was verified on a 1.7-liter Mercedes diesel engine at ORNL. Those results are shown on the charts. The total particulate matter removal was 96%.
• ORNL has the unique capability to measure efficiency at each particle size. The second chart shows that the ICS pleated filter media was efficient to 98% particulate removal down to a particle size of 10 nanometers.
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