Diesel Emissions Abatement Via Wall-Flow Traps Based on La0.8Cr0.8Li0.2O3 Catalyst Politecnico di Torino

Format:

Conference/Event

Author/Creator:

Fino, Fino, author.

Contributor:

Cauda, E.

Mescia, D.

Russo, N.

Saracco, G.

Specchia, V.

Conference Name:

7th International Conference on Engines for Automobile (2005-09-11 : Naples, Italy)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Naples, ITALY Consiglio Nazionale delle Ricerche 2005

Summary:

Nano-structured bulk Li-substituted La-Cr perovskites were prepared, characterized, tested in comparison with the reference LaCrO\d3. The progressive increase in the Li content of the catalysts induces an increase in the catalytic activity owing to the enhancement of the amount of weakly chemisorbed oxygen O-species, key players in the soot oxidation mechanism. However, beyond 20% Cr substitution with Li, part of this latter metal was segregated as LiCrO\d2. The best single-phase catalyst (La\d0\d.\d8Cr\d0\d.\d8Li\d0\d.\d2O\d3) was already active well below 350\mDC. Catalytic traps were prepared by in situ combustion synthesis within cordierite and SiC wall-flow filters on the basis of the above catalysts and tested on real diesel exhaust gases in an engine bench, fully confirming the encouraging results obtained on powder catalysts

Notes:

Vendor supplied data

Publisher Number:

2005-24-002

Access Restriction:

Restricted for use by site license