Method for removing ammonia and dust from a waste gas that results during the production of urea
Abstract
When the invention relates to a preparation of out, wherein urea the exhaust gas for producing removing method of ammonia and dust, wherein the exhaust gas of the method equipped with first washing (1) neutral cooling gas (7) are equipped with the second washing (2) neutral (8,9) importing makeup water to washing neutral solution storing smooth to the washing, not only of the exhaust gas moreover cooling gas of the back washing connected by at least liquid drop separator (4,5), wherein the method of developed to, further enables the waste gas burden to be significantly is reduced. The through achieves to, namely makeup water first smooth to the upper side and at least two liquid drop separator is provided and solution storing of the fine washing of producing equipped with an baffle plate (12) limiting the cleaning region (14) neutral spraying of the the first washing liquid energy flow without cross through the liquid drop separator and lower afterward to the second washing of.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
19 members in 11 offices
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 10346519 | Germany | A | |
| 2004009886 | European Patent Office (EPO) | W |
Members19
| Document | Office | Kind | |
|---|---|---|---|
| CA2540645A1 | Canada | A1 | |
| WO2005032696A1 | World Intellectual Property Organization (WIPO) | A1 | |
| DE10346519A1 | Germany | A1 | |
| EP1663455A1 | European Patent Office (EPO) | A1 | |
| CN1859964A | China | A | |
| US2007039469A1 | United States of America | A1 | |
| JP2007507333A | Japan | A | |
| HK1096327A | Hong Kong, China | A | |
| RU2006114751A | Russian Federation | A | |
| CN100434143C | China | C | |
| RU2345823C2 | Russian Federation | C2 | |
| EP1663455B1 | European Patent Office (EPO) | B1 | |
| AT447435TThis record | Austria | T | |
| ATE447435T1 | Austria | T1 | |
| DE502004010324D1 | Germany | D1 | |
| ES2333723T3 | Spain | T3 | |
| US7682425B2 | United States of America | B2 | |
| JP4589927B2 | Japan | B2 | |
| CA2540645C | Canada | C |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased due to non-payment of the annual feeCeasedREN | REN |
Numbers
- Application
- 4764837
Titles2
- German
- VERFAHREN ZUR ENTFERNUNG VON AMMONIAK UND STAUB AUS EINEM ABGAS, DAS BEI DER HERSTELLUNG VON HARNSTOFF ANFÄLLT
- English
- METHOD FOR REMOVING AMMONIA AND DUST FROM AN EXHAUST GAS THAT ARISES FROM THE PREPARATION OF UREA
Classification
- CPC, 3
- B01D53/58
- C05C3/00
- Y02A50/20
- IPC, 6
- B01D47 06
- B01D53 58
- B01D53 77
- C05C1 00
- C05C3 00
- C05C9 00