RU93005167A - METHOD FOR PROCESSING GAS FLOW WHEN PRODUCING MELAMINE FROM UREA - Google Patents
METHOD FOR PROCESSING GAS FLOW WHEN PRODUCING MELAMINE FROM UREAInfo
- Publication number
- RU93005167A RU93005167A RU93005167/04A RU93005167A RU93005167A RU 93005167 A RU93005167 A RU 93005167A RU 93005167/04 A RU93005167/04 A RU 93005167/04A RU 93005167 A RU93005167 A RU 93005167A RU 93005167 A RU93005167 A RU 93005167A
- Authority
- RU
- Russia
- Prior art keywords
- urea
- gas flow
- processing gas
- producing melamine
- melamine
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N Melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims 3
- 229920000877 Melamine resin Polymers 0.000 title claims 3
- 239000004202 carbamide Substances 0.000 title claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 239000002808 molecular sieve Substances 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 230000002194 synthesizing Effects 0.000 claims 1
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9002606A NL9002606A (en) | 1990-11-29 | 1990-11-29 | PROCESS FOR THE PREPARATION OF MELAMINE FROM UREA. |
NL9002606 | 1990-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU93005167A true RU93005167A (en) | 1996-12-20 |
RU2113435C1 RU2113435C1 (en) | 1998-06-20 |
Family
ID=19858050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU93005167A RU2113435C1 (en) | 1990-11-29 | 1991-11-28 | Method of treating gas stream when preparing melamine from urea or thermal decomposition urea products |
Country Status (18)
Country | Link |
---|---|
US (1) | US5350849A (en) |
EP (1) | EP0559817B1 (en) |
JP (1) | JP3117710B2 (en) |
KR (1) | KR100192076B1 (en) |
AT (1) | ATE137750T1 (en) |
AU (1) | AU647556B2 (en) |
BG (1) | BG61945B1 (en) |
BR (1) | BR9107127A (en) |
CA (1) | CA2097177A1 (en) |
DE (1) | DE69119433T2 (en) |
FI (1) | FI932462A (en) |
HU (2) | HUT64046A (en) |
NL (1) | NL9002606A (en) |
NO (1) | NO300419B1 (en) |
PL (1) | PL168268B1 (en) |
RO (1) | RO110489B1 (en) |
RU (1) | RU2113435C1 (en) |
WO (1) | WO1992009585A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT404431B (en) * | 1993-09-09 | 1998-11-25 | Chemie Linz Gmbh | METHOD FOR THE ENVIRONMENTAL DISPOSAL OF TRIAZINE WASTE |
IT1315255B1 (en) * | 1999-11-16 | 2003-02-03 | Eurotecnica Dev And Licensing | MELAMINE PURIFICATION PROCESS. |
DE10301703A1 (en) * | 2003-01-17 | 2004-07-29 | Basf Ag | Melamine production by urea decomposition is effected in main- and post- reactors containing catalysts of different acidity values |
DE502004011507D1 (en) * | 2003-01-17 | 2010-09-23 | Basf Se | |
WO2008151907A2 (en) * | 2007-06-14 | 2008-12-18 | Basf Se | Method for producing melamine |
CN115944942B (en) * | 2022-12-06 | 2024-04-12 | 四川金象赛瑞化工股份有限公司 | Preparation method of cyanamide substance |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3386999A (en) * | 1966-02-10 | 1968-06-04 | Chemical Construction Corp | Synthesis of melamine |
US3414571A (en) * | 1966-09-16 | 1968-12-03 | Melamine Res Corp | Process for production of melamine from urea |
DE3041324A1 (en) * | 1980-11-03 | 1982-06-16 | Basf Ag, 6700 Ludwigshafen | METHOD FOR THE SIMULTANEOUS DEGRADATION OF TRACE COMPONENTS IN THE REACTION EXHAUST GASES OF THE MELAMINE SYNTHESIS |
NL8105027A (en) * | 1981-11-06 | 1983-06-01 | Stamicarbon | Converting gaseous urea (deriv.) into carbon di:oxide and ammonia - by contacting with catalyst in presence of water vapour |
-
1990
- 1990-11-29 NL NL9002606A patent/NL9002606A/en not_active Application Discontinuation
-
1991
- 1991-11-28 HU HU931591A patent/HUT64046A/en unknown
- 1991-11-28 RO RO93-00739A patent/RO110489B1/en unknown
- 1991-11-28 BR BR919107127A patent/BR9107127A/en unknown
- 1991-11-28 CA CA002097177A patent/CA2097177A1/en not_active Abandoned
- 1991-11-28 DE DE69119433T patent/DE69119433T2/en not_active Expired - Fee Related
- 1991-11-28 US US08/066,175 patent/US5350849A/en not_active Expired - Fee Related
- 1991-11-28 PL PL91299347A patent/PL168268B1/en unknown
- 1991-11-28 AU AU89445/91A patent/AU647556B2/en not_active Ceased
- 1991-11-28 JP JP04500550A patent/JP3117710B2/en not_active Expired - Fee Related
- 1991-11-28 HU HU9301591A patent/HU212639B/en not_active IP Right Cessation
- 1991-11-28 RU RU93005167A patent/RU2113435C1/en active
- 1991-11-28 AT AT92902609T patent/ATE137750T1/en not_active IP Right Cessation
- 1991-11-28 WO PCT/NL1991/000240 patent/WO1992009585A1/en active IP Right Grant
- 1991-11-28 EP EP92902609A patent/EP0559817B1/en not_active Expired - Lifetime
-
1993
- 1993-05-26 BG BG97782A patent/BG61945B1/en unknown
- 1993-05-27 KR KR1019930701580A patent/KR100192076B1/en not_active IP Right Cessation
- 1993-05-28 NO NO931959A patent/NO300419B1/en not_active IP Right Cessation
- 1993-05-28 FI FI932462A patent/FI932462A/en unknown
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