Analysis of exhaust gas
A method and system of measuring non-methane hydrocarbons in exhaust gas. The method includes sampling exhaust gas, wherein the exhaust gas includes native carbon dioxide, non-methane hydrocarbons and methane. The native carbon dioxide present in the exhaust gas is removed followed by oxidation of t...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A method and system of measuring non-methane hydrocarbons in exhaust gas. The method includes sampling exhaust gas, wherein the exhaust gas includes native carbon dioxide, non-methane hydrocarbons and methane. The native carbon dioxide present in the exhaust gas is removed followed by oxidation of the non-methane hydrocarbons to produce carbon dioxide. The concentration of carbon dioxide is then measured and provides a direct indication of the non-methane hydrocarbon concentration. |
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