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The addition of manganese, iron, and cobalt to NO x storage and reduction (NSR) catalysts containing 1% w/w platinum and 15% w/w barium (1Pt/15Ba) on γ-Al 2 O 3 has been studied. Under fuel lean conditions, the addition of Mn or Fe slightly improved the NO x storage, while the addition of Co more than doubled the NO x storage. In addition, a noble metal free...
This study demonstrates how Fourier transform infrared imaging (FTIR) can be employed as a powerful spectroscopic tool for the parallel investigation of multiple member heterogeneous catalyst systems. FTIR imaging combines the chemical specificity and high sensitivity of infrared spectroscopy with the ability to rapidly analyze multiple samples simultaneously. A new implementation, using a rapid-scan...
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