FIELD: oil and gas industry.
SUBSTANCE: invention relates to the method of treatment of gas containing nitrogen oxides (NOx). The method of treatment of gas containing nitrogen oxides (NOx) according to which NOx reduction reaction is conducted with a nitrogen-containing reducer, differs in that the reduction reaction catalyst is the catalytic system containing composition based on zirconium, cerium and niobium with the following weight content in terms of oxides: cerium oxide: in the range from 5 up to 50%, and the indicated last value is excluded; niobium oxide: in the range from 5 up to 20%; zirconium oxide: the rest.
EFFECT: gas treatment efficiency improvement.
11 cl, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITION BASED ON OXIDES OF ZIRCONIUM, CERIUM, NIOBIUM AND TIN, PREPARATION METHODS AND USE IN CATALYSIS | 2014 |
|
RU2673295C2 |
| METHOD OF PROCESSING GAS, CONTAINING NITROGEN OXIDES (NOx), IN WHICH COMPOSITION, INCLUDING CERIUM OXIDE AND NIOBIUM OXIDE, IS APPLIED AS CATALYST | 2011 |
|
RU2541070C2 |
| METHODS OF SELECTIVE CATALYTIC RECOVERY WITH USE OF DOPED CERIA (IV) OXIDES | 2014 |
|
RU2664905C2 |
| CERIUM, ZIRCONIUM AND TUNGSTEN-BASED COMPOSITION, METHOD OF ITS OBTAINING AND APPLICATION IN CATALYSIS | 2011 |
|
RU2549573C2 |
| ALUMINOSILICATE OR SILICOALUMINOPHOSPHATE MOLECULAR SIEVE/MANGANESE OCTAHEDRAL MOLECULAR SIEVE AS CATALYSTS FOR TREATING EXHAUST GAS | 2014 |
|
RU2662821C2 |
| ZEOLITE CATALYST INCLUDING METAL | 2011 |
|
RU2614411C2 |
| CATALYST FOR TREATING EXHAUST GASES | 2014 |
|
RU2675821C2 |
| NON-PLATINUM GROUP METAL AMMONIA SLIP CATALYST | 2015 |
|
RU2715701C2 |
| NOX TRAP COMPOSITION | 2014 |
|
RU2674020C2 |
| EMISSION CONTROL SYSTEM WITH TWC CATALYSTS AND SCR-HCT CATALYSTS | 2015 |
|
RU2689059C2 |
