Exhaust Fluid Filter Including Hydrocarbon Detection Witness Media
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United States of America Patent
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Issued Date -
May 11, 2023
app pub date -
Jan 3, 2023
filing date -
Nov 10, 2014
priority date (Note) -
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Abstract
An aftertreatment system includes an exhaust reductant tank configured to store an exhaust reductant. A filter is fluidically coupled to the exhaust reductant tank. The aftertreatment system includes a hydrocarbon detection device configured to indicate the presence of a hydrocarbon in the exhaust reductant. A catalyst is included in the system and configured to treat the exhaust reductant flowing through the system. The hydrocarbon detection device can include a hydrophobic paper, and can be disposed in the filter.
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