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US08961914B2 8-ring small pore molecular sieve with promoter to improve low temperature performance 有权
8环小孔分子筛与促进剂改善低温性能

8-ring small pore molecular sieve with promoter to improve low temperature performance
Abstract:
Described is a selective catalytic reduction catalyst comprising an 8-ring small pore molecular sieve promoted with copper and an alkaline earth component. The catalyst is effective to catalyze the reduction of nitrogen oxides (NOx) in the presence of a reductant. A method for selectively reducing nitrogen oxides is also described.
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