RU2000132737A - SMOKE GAS PROCESSING METHOD - Google Patents
SMOKE GAS PROCESSING METHODInfo
- Publication number
- RU2000132737A RU2000132737A RU2000132737/12A RU2000132737A RU2000132737A RU 2000132737 A RU2000132737 A RU 2000132737A RU 2000132737/12 A RU2000132737/12 A RU 2000132737/12A RU 2000132737 A RU2000132737 A RU 2000132737A RU 2000132737 A RU2000132737 A RU 2000132737A
- Authority
- RU
- Russia
- Prior art keywords
- urea
- specified
- solution
- ammonia
- carbon dioxide
- Prior art date
Links
- 238000003672 processing method Methods 0.000 title 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 24
- 239000004202 carbamide Substances 0.000 claims 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 4
- 239000001569 carbon dioxide Substances 0.000 claims 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 4
- 239000003546 flue gas Substances 0.000 claims 4
- 238000006460 hydrolysis reaction Methods 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000003750 conditioning Effects 0.000 claims 1
- 230000003301 hydrolyzing Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI98A001155 | 1998-05-25 | ||
IT98MI001155A ITMI981155A1 (en) | 1998-05-25 | 1998-05-25 | PROCESS FOR THE PRODUCTION OF AMMONIA BY HYDROLYSIS OF THE UREA |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2193442C2 RU2193442C2 (en) | 2002-11-27 |
RU2000132737A true RU2000132737A (en) | 2003-01-27 |
Family
ID=11380095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2000132737/12A RU2193442C2 (en) | 1998-05-25 | 1999-05-14 | Flue gas treatment method |
Country Status (17)
Country | Link |
---|---|
US (1) | US5985224A (en) |
EP (1) | EP1089804B1 (en) |
JP (1) | JP2002516169A (en) |
KR (1) | KR100580930B1 (en) |
CN (1) | CN1168527C (en) |
AT (1) | ATE235300T1 (en) |
AU (1) | AU755072B2 (en) |
CA (1) | CA2331268C (en) |
CZ (1) | CZ294281B6 (en) |
DE (1) | DE69906291D1 (en) |
ES (1) | ES2196805T3 (en) |
HK (1) | HK1037986A1 (en) |
IT (1) | ITMI981155A1 (en) |
PL (1) | PL194720B1 (en) |
RU (1) | RU2193442C2 (en) |
TR (1) | TR200003469T2 (en) |
WO (1) | WO1999061136A1 (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5985222A (en) | 1996-11-01 | 1999-11-16 | Noxtech, Inc. | Apparatus and method for reducing NOx from exhaust gases produced by industrial processes |
US6077491A (en) | 1997-03-21 | 2000-06-20 | Ec&C Technologies | Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal |
US6093380A (en) * | 1998-10-16 | 2000-07-25 | Siirtec Nigi, S.P.A. | Method and apparatus for pollution control in exhaust gas streams from fossil fuel burning facilities |
US6511644B1 (en) | 2000-08-28 | 2003-01-28 | The Chemithon Corporation | Method for removing contaminants in reactors |
US6436359B1 (en) | 2000-10-25 | 2002-08-20 | Ec&C Technologies, Inc. | Method for controlling the production of ammonia from urea for NOx scrubbing |
US7615200B2 (en) * | 2000-12-01 | 2009-11-10 | Fuel Tech, Inc. | Selective catalytic reduction of NOx enabled by urea decomposition in heat-exchanger bypass |
US7829033B2 (en) * | 2003-07-03 | 2010-11-09 | Fuel Tech, Inc. | Selective catalytic reduction of NOx enabled by sidestream urea decomposition |
AU2002228791A1 (en) * | 2000-12-01 | 2002-06-11 | Fuel Tech. Inc. | Selective catalytic reduction of no, enabled by side stream urea decomposition |
US6761868B2 (en) * | 2001-05-16 | 2004-07-13 | The Chemithon Corporation | Process for quantitatively converting urea to ammonia on demand |
JP3820163B2 (en) | 2002-02-22 | 2006-09-13 | 三井化学株式会社 | Urea concentration measuring method and apparatus |
US7140187B2 (en) * | 2002-04-15 | 2006-11-28 | Amendola Steven C | Urea based composition and system for same |
US20030211024A1 (en) * | 2002-05-10 | 2003-11-13 | Wojichowski David Lee | Methods of converting urea to ammonia for SCR, SNCR and flue gas conditioning |
US6887449B2 (en) * | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
EP1533018A1 (en) | 2003-11-05 | 2005-05-25 | Urea Casale S.A. | Method for the treatment of combustion flue gas |
EP2069049A2 (en) * | 2006-08-22 | 2009-06-17 | Babcock Power Inc. | Thermal decomposition of urea in a side stream of combustion flue gas using a regenerative heat exchanger |
US20080267837A1 (en) * | 2007-04-27 | 2008-10-30 | Phelps Calvin E | Conversion of urea to reactants for NOx reduction |
CN100588613C (en) * | 2007-08-24 | 2010-02-10 | 中电投远达环保工程有限公司 | Technique for preparing ammonia from urea by pyrolysis method |
CN101778798A (en) * | 2007-08-24 | 2010-07-14 | 鲍尔斯潘公司 | Method and apparatus for producing ammonium carbonate from urea |
US20090148370A1 (en) * | 2007-12-06 | 2009-06-11 | Spencer Iii Herbert W | Process to produce ammonia from urea |
SE532906C2 (en) * | 2008-09-23 | 2010-05-04 | Scania Cv Abp | Hydrolysis catalyst with greater channel cross-section in the peripheral part than in the central part and methods for hydrolysis of a urea |
DE102009005677A1 (en) | 2009-01-22 | 2010-08-05 | Kruse Gmbh & Co. Kg | Process and apparatus for producing high-purity urea solution |
US9428449B2 (en) | 2013-01-16 | 2016-08-30 | Alstom Technology Ltd | Method of forming urea by integration of an ammonia production process in a urea production process and a system therefor |
US9586831B2 (en) | 2014-06-09 | 2017-03-07 | Wahlco, Inc. | Urea to ammonia process |
CN104192862B (en) * | 2014-09-23 | 2016-05-11 | 东方电气集团东方锅炉股份有限公司 | A kind of hydrolysis of urea ammonia method and apparatus processed that utilizes boiler gas |
CN104474892A (en) * | 2014-12-09 | 2015-04-01 | 邹英奎 | Production method of denitrification powder |
CN105116719B (en) * | 2015-07-17 | 2017-08-25 | 中国华能集团公司 | Hydrolysis of urea reactor control system and method based on heat feed-forward signal |
CN105921014A (en) * | 2016-05-10 | 2016-09-07 | 南宁市夏阳化工科技有限责任公司 | Preparing method for urea solution used for vehicles |
CN113401921B (en) * | 2021-05-17 | 2024-03-22 | 许昌龙岗发电有限责任公司 | Urea hydrolysis ammonia production system and control method thereof |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4087513A (en) * | 1977-08-12 | 1978-05-02 | Olin Corporation | Method of hydrolyzing urea contained in waste water streams |
NL8100989A (en) * | 1981-02-28 | 1982-09-16 | Unie Van Kunstmestfab Bv | METHOD FOR REMOVING UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONS. |
JPH02191528A (en) * | 1989-01-20 | 1990-07-27 | Babcock Hitachi Kk | Denitrification device with solid reducing agent utilized therefor |
US5240688A (en) * | 1990-08-01 | 1993-08-31 | Fuel Tech Gmbh | Process for the in-line hydrolysis of urea |
JP3100191B2 (en) * | 1991-09-02 | 2000-10-16 | 三菱重工業株式会社 | Flue gas denitration equipment |
US5279108A (en) * | 1992-02-28 | 1994-01-18 | Union Oil Company Of California | System for reduction of NOx in jet engine exhaust |
WO1994013391A1 (en) * | 1992-12-08 | 1994-06-23 | Nalco Fuel Tech | Process for improving the performance of an electrostatic precipitator |
JP3638638B2 (en) * | 1994-08-24 | 2005-04-13 | バブコック日立株式会社 | Denitration equipment using solid reducing agent |
US6077491A (en) * | 1997-03-21 | 2000-06-20 | Ec&C Technologies | Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal |
-
1998
- 1998-05-25 IT IT98MI001155A patent/ITMI981155A1/en unknown
- 1998-09-24 US US09/160,429 patent/US5985224A/en not_active Expired - Lifetime
-
1999
- 1999-05-14 AU AU38481/99A patent/AU755072B2/en not_active Ceased
- 1999-05-14 TR TR2000/03469T patent/TR200003469T2/en unknown
- 1999-05-14 EP EP99921144A patent/EP1089804B1/en not_active Expired - Lifetime
- 1999-05-14 KR KR1020007013107A patent/KR100580930B1/en not_active IP Right Cessation
- 1999-05-14 CN CNB998065722A patent/CN1168527C/en not_active Expired - Fee Related
- 1999-05-14 CA CA002331268A patent/CA2331268C/en not_active Expired - Fee Related
- 1999-05-14 AT AT99921144T patent/ATE235300T1/en not_active IP Right Cessation
- 1999-05-14 JP JP2000550584A patent/JP2002516169A/en active Pending
- 1999-05-14 PL PL99344405A patent/PL194720B1/en not_active IP Right Cessation
- 1999-05-14 DE DE69906291T patent/DE69906291D1/en not_active Expired - Lifetime
- 1999-05-14 RU RU2000132737/12A patent/RU2193442C2/en not_active IP Right Cessation
- 1999-05-14 WO PCT/IT1999/000135 patent/WO1999061136A1/en active IP Right Grant
- 1999-05-14 CZ CZ20004394A patent/CZ294281B6/en not_active IP Right Cessation
- 1999-05-14 ES ES99921144T patent/ES2196805T3/en not_active Expired - Lifetime
-
2001
- 2001-12-06 HK HK01108571A patent/HK1037986A1/en not_active IP Right Cessation
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