ES386653A1 - Un procedimiento integrado para la preparacion de urea y melamina. - Google Patents
Un procedimiento integrado para la preparacion de urea y melamina.Info
- Publication number
- ES386653A1 ES386653A1 ES386653A ES386653A ES386653A1 ES 386653 A1 ES386653 A1 ES 386653A1 ES 386653 A ES386653 A ES 386653A ES 386653 A ES386653 A ES 386653A ES 386653 A1 ES386653 A1 ES 386653A1
- Authority
- ES
- Spain
- Prior art keywords
- melamine
- urea
- preparation
- integrated process
- ammonium carbamate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920000877 Melamine resin Polymers 0.000 title abstract 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title abstract 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical group [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- 238000000354 decomposition reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/12—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds combined with the synthesis of melamine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6919152A NL6919152A (es) | 1969-12-20 | 1969-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES386653A1 true ES386653A1 (es) | 1973-03-16 |
Family
ID=19808679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES386653A Expired ES386653A1 (es) | 1969-12-20 | 1970-12-19 | Un procedimiento integrado para la preparacion de urea y melamina. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3697521A (es) |
| JP (1) | JPS4911376B1 (es) |
| AT (1) | AT311989B (es) |
| BE (1) | BE760524A (es) |
| CH (1) | CH547263A (es) |
| DE (1) | DE2062551A1 (es) |
| ES (1) | ES386653A1 (es) |
| FR (1) | FR2074090A5 (es) |
| GB (1) | GB1320950A (es) |
| NL (1) | NL6919152A (es) |
| NO (1) | NO131643C (es) |
| SE (1) | SE381657B (es) |
| ZA (1) | ZA708473B (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52106360U (es) * | 1976-02-06 | 1977-08-12 | ||
| NL7903623A (nl) * | 1979-05-09 | 1980-11-11 | Stamicarbon | Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine. |
| US4433146A (en) * | 1982-04-07 | 1984-02-21 | Stamicarbon B.V. | Process for the preparation of melamine |
| NL1014281C2 (nl) * | 2000-02-03 | 2001-08-06 | Dsm Nv | Werkwijze voor de bereiding van melamine uit ureum. |
| EP1918274A1 (en) * | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Integrated process for urea and melamine production |
| DE102007022462A1 (de) * | 2007-05-09 | 2008-11-13 | Ami-Agrolinz Melamine International Gmbh | Verfahren und Vorrichtung zur Behandlung einer Ammoniumcarbonatlösung |
| EP2050740A1 (de) * | 2007-10-15 | 2009-04-22 | Basf Se | Verfahren zur Herstellung von Melamin |
| US9677817B1 (en) | 2012-02-29 | 2017-06-13 | The United States Of America As Represented By The Secretary Of The Air Force | Method for thermal management through use of ammonium carbamate |
| CN111995592B (zh) * | 2020-09-30 | 2024-02-06 | 四川金象赛瑞化工股份有限公司 | 一种尿素与三聚氰胺联产的方法和装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310558A (en) * | 1967-03-21 | Melamine recovery | ||
| US3239522A (en) * | 1963-03-12 | 1966-03-08 | Chemical Construction Corp | Synthesis of urea and melamine |
| US3290308A (en) * | 1964-02-11 | 1966-12-06 | Chemical Construction Corp | Synthesis of pure melamine |
| US3544628A (en) * | 1965-09-20 | 1970-12-01 | Pullman Inc | Urea synthesis |
| GB1148767A (en) * | 1965-10-25 | 1969-04-16 | Nissan Chemical Ind Ltd | Process for the production of melamine |
| US3503970A (en) * | 1967-07-19 | 1970-03-31 | Mitsui Toatsu Chemicals | Integrated process for producing urea and melamine |
-
1969
- 1969-12-20 NL NL6919152A patent/NL6919152A/xx unknown
-
1970
- 1970-12-15 ZA ZA708473A patent/ZA708473B/xx unknown
- 1970-12-15 US US98466A patent/US3697521A/en not_active Expired - Lifetime
- 1970-12-16 GB GB5979070A patent/GB1320950A/en not_active Expired
- 1970-12-18 AT AT1143770A patent/AT311989B/de not_active IP Right Cessation
- 1970-12-18 CH CH1886870A patent/CH547263A/xx not_active IP Right Cessation
- 1970-12-18 DE DE19702062551 patent/DE2062551A1/de active Pending
- 1970-12-18 NO NO4873/70A patent/NO131643C/no unknown
- 1970-12-18 BE BE760524A patent/BE760524A/xx unknown
- 1970-12-19 ES ES386653A patent/ES386653A1/es not_active Expired
- 1970-12-21 SE SE7017363A patent/SE381657B/xx unknown
- 1970-12-21 JP JP45115606A patent/JPS4911376B1/ja active Pending
- 1970-12-21 FR FR7046018A patent/FR2074090A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA708473B (en) | 1971-09-29 |
| SE381657B (sv) | 1975-12-15 |
| FR2074090A5 (es) | 1971-10-01 |
| NO131643C (es) | 1975-07-02 |
| JPS4911376B1 (es) | 1974-03-16 |
| NL6919152A (es) | 1971-06-22 |
| AT311989B (de) | 1973-12-10 |
| CH547263A (de) | 1974-03-29 |
| US3697521A (en) | 1972-10-10 |
| NO131643B (es) | 1975-03-24 |
| DE2062551A1 (de) | 1971-08-05 |
| BE760524A (fr) | 1971-06-18 |
| GB1320950A (en) | 1973-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB952764A (en) | Preparation of urea | |
| ES386653A1 (es) | Un procedimiento integrado para la preparacion de urea y melamina. | |
| GB1185944A (en) | Process for the Synthesis of Urea | |
| BG29133A3 (en) | Integrated method for synthesis of carbamide and ammonia | |
| GB1106024A (en) | Urea synthesis | |
| GB1237780A (en) | Processing offgas from the synthesis of melamine | |
| GB1274504A (en) | Improvements in or relating to the synthesis of ammonia | |
| ES406183A1 (es) | Procedimiento para preparar urea. | |
| Piskorz et al. | Ultraviolet and infrared spectra of some nitramines | |
| GB1247951A (en) | Process for preparing melamine from urea | |
| ES426480A1 (es) | Un procedimiento para preparar urea. | |
| GB1115952A (en) | Process for the separation of ammonia produced in medium and low pressure synthesizing plants | |
| IE35308B1 (en) | Process for the production of urea | |
| ES386315A1 (es) | Un procedimiento para separar melamina desde una mezcla ga-seosa de sintesis, caliente. | |
| GB945783A (en) | Process for the purification of urea | |
| GB1147734A (en) | Method for the preparation of urea | |
| GB1031528A (en) | Method for producing urea starting from carbon dioxide and ammonia | |
| IE32209L (en) | Production of urea | |
| ES309851A1 (es) | Metodo de sintesis de urea. | |
| GB981641A (en) | Production of urea | |
| GB1032326A (en) | A process for the production and separation of melamine | |
| GB1131906A (en) | Method of synthesizing urea | |
| ES309397A1 (es) | Metodo para descomponer carbamato de amonio y separar amoniaco y dioxido de carbono. | |
| GB987500A (en) | Process for the production of urea | |
| GB1433690A (en) | Regeneration of salt baths |