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Non-Selective Catalytic Reduction (NSCR)

In the catalyst industry, Non-Selective Catalytic Reduction (NSCR) is a common reference to Three-Way Catalysts. NSCR catalysts address carbon monoxide (CO) and hydrocarbon (HC) exhaust emissions via oxidation, while also converting nitrogen oxides (NOx) via reduction. See the section on Three-Way Catalysts section of this web sitefor further information.

NSCR derives its name from being a contrast to Selective Catalytic Reduction (SCR), by which nitrogen oxides (NOx), in the presence of excesses of oxygen (O2), are “selectively” reduced by the reaction with other nitrogen-based compounds, such as ammonia or urea. See the section on Selective Catalytic Reduction (SCR) link on this webpage for further information.

For more information on non-selective cataltyic reductions, contact us today.
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