FIELD: chemistry.
SUBSTANCE: invention relates to zeolite of chabazite type with fixed on it copper and alkali earth metal, in which atomic ratio (copper + alkali earth metal)/aluminium constitutes 1.0 or less.
EFFECT: creation of novel zeolite of chabazite type, which in application as catalyst of reduction and removal of nitrogen oxides demonstrates higher degree of purification from nitrogen oxides at low temperature even after hydrothermal strengthening processing.
9 cl, 1 dwg, 3 tbl, 20 ex
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