Process for eliminating nitrogen oxides using an Ilmenite material

摘要

Eliminating nitrogen oxides from vehicle exhaust fumes comprises an oxide ABO3 of a metal cation (A) and a metal cation (B) from IA, IIA, IIIA, IVA, VA, IB, IIB, IIIB, IVB, VB, VIB, VIIB and VIII elements, A and B being coordinated with 6 O atoms, the ratio of A to B being 1+/-0.4.