FIELD: gas purification.
SUBSTANCE: method comprises treating the flow of chimney gas in the high-temperature zone with a temperature of 700-1200°C by means of gas reducing mixture that is preliminary is produced by thermal decomposition of solid carbamide out of the zone for treating the gas and is supplied to the zone of purification by the gas-carrier. The carbamide is decomposed by rising its temperature from 100 to 600°C. The rate of the temperature rise is 5-40°C/min and 35-40°C/min for the temperature range from 100 to 400°C and temperature higher than 400°C, respectively.
EFFECT: simplified method.
3 cl, 1 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF THE SELECTIVE NON-CATALYTIC PURIFICATION OF THE FLUE GASES FROM NITROGEN OXIDES | 2006 |
|
RU2314861C1 |
| METHOD OF PURIFICATION OF FLUE GASES FROM NITROGEN OXIDE | 2004 |
|
RU2271856C2 |
| METHOD OF UNCATALYSED FLUE GAS PURIFICATION OF NITROGEN OXIDES | 2009 |
|
RU2403081C1 |
| METHOD OF REMOVING NITROGEN OXIDES FROM FLUE GASES | 2009 |
|
RU2411065C1 |
| METHOD FOR PURIFYING FLUE GASES FROM NITROGEN OXIDES | 1994 |
|
RU2081685C1 |
| METHOD OF MAKING NONPOLLUTING WASTELESS COAL-BURNING PLANT WITH COMPLEX NON-CATALYTIC CLEANING OF FLUE GASES OF NITROGEN OXIDES AND TRAPPING OF FLY ASH, ITS GRINDING, FREE CARBON AFTERBURNING, RECTIFICATION AND COMPLETE RECOVERY | 2011 |
|
RU2472571C1 |
| METHOD OF AND DEVICE FOR CLEANING COMBUSTION PRODUCTS FROM NITROGEN OXIDES | 1992 |
|
RU2040737C1 |
| METHOD OF REMOVING NITROGEN OXIDES FROM FLUE GASES | 1997 |
|
RU2113890C1 |
| METHOD OF REMOVING TOXIC FUEL COMBUSTION PRODUCTS FROM SMOKE FUMES | 1994 |
|
RU2102122C1 |
| METHOD FOR HIGH-TEMPERATURE NON-CATALYTIC REMOVAL OF NITROGEN OXIDES FROM COMBUSTION PRODUCTS WITH MULTI-ZONE INPUT OF REDUCING AGENT | 2013 |
|
RU2550864C2 |
